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JuliaAstro / FITSIO.jl

Flexible Image Transport System (FITS) file support for Julia
http://juliaastro.org/FITSIO.jl/
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[DRAFT] Adjust header output formatting for better compatibility, round 2 #181

Closed sefffal closed 2 months ago

sefffal commented 2 years ago

This PR address three other formatting differences between FITSIO and other software:

  1. adds whitespace padding out to 80 columns
  2. allows one more character for comments (previously cutting off comments one character too early)
  3. Adds END at the end of the headers, also padded out to 80 columns

These changes allows me to parse the headers of one more file with WCS.jl that previously failed. I'm marking this PR as a draft since the format still does not perfectly match DS9 and additional tweaks may be necessary. In particular, I noticed that some COMMENT headers have two / instead of one.

These differences are subtle, so a diff tool or editor that shows white-space may be necessary to spot the changes.

Before:

SIMPLE  =                    T / FITS STANDARD
BITPIX  =                  -32 / FITS BITS/PIXEL
NAXIS   =                    2 / NUMBER OF AXES
NAXIS1  =                 1600
NAXIS2  =                 1600
EXTEND  =                    T / There maybe standard extensions
BSCALE  =                  1.0 / REAL = TAPE*BSCALE + BZERO
BZERO   =                  0.0
OPSIZE  =                 2112 / PSIZE of original image
ORIGIN  = 'STScI-STSDAS'       / Fitsio version 21-Feb-1996
FITSDATE= '2005-07-01'         / Date FITS file was created
FILENAME= '656nmos_cvt.hhh'    / Original filename
ALLG-MAX=                  0.0 / Data max in all groups
ALLG-MIN=                  0.0 / Data min in all groups
ODATTYPE= 'FLOATING'           / Original datatype: Single precision real
SDASMGNU=                    1 / Number of groups in original image
CRVAL1  =      274.71149247724
CRVAL2  =     -13.816384007184
CRPIX1  =                386.5
CRPIX2  =                396.0
CD1_1   =          1.878013e-5
CD1_2   =         -2.031193e-5
CD2_1   =         -2.029358e-5
CD2_2   =         -1.879711e-5
DATAMIN =                  0.0 / DATA MIN
DATAMAX =                  0.0 / DATA MAX
MIR_REVR=                    T
ORIENTAT=            -131.9115
FILLCNT =                    0
ERRCNT  =                    0
FPKTTIME=     49808.7324543649
LPKTTIME=      49808.732622189
CTYPE1  = 'RA---TAN'          
CTYPE2  = 'DEC--TAN'          
DETECTOR=                    4
DEZERO  =             311.3041
BIASEVEN=             311.3347
BIASODD =             311.2736
GOODMIN =             20.02589
GOODMAX =             5584.467
DATAMEAN=              89.2569
GPIXELS =               559905
SOFTERRS=                    0
CALIBDEF=                80081
STATICD =                    0
ATODSAT =                   15
DATALOST=                    0
BADPIXEL=                    0
OVERLAP =                    0
PHOTMODE= 'WFPC2,4,A2D7,F656N,,CAL'
PHOTFLAM=          1.52899e-16
PHOTZPT =                -21.1
PHOTPLAM=             6563.585
PHOTBW  =             55.16187
MEDIAN  =             93.54508
MEDSHADO=             66.10242
HISTWIDE=             62.41553
SKEWNESS=           -0.1202522
MEANC10 =             126.9503
MEANC25 =             128.0693
MEANC50 =             134.1882
MEANC100=               132.23
MEANC200=             114.3746
MEANC300=             100.2731
BACKGRND=             42.37756
DADSFILE= 'U2LX0501T.D0F'     
DADSCLAS= 'CAL     '          
DADSDATE= '02-APR-1995 16:09:04'

                               /          / GROUP PARAMETERS: OSS

                               /          / GROUP PARAMETERS: PODPS

                               /          / GROUP PARAMETERS: DATA QUALITY FILE 

                               /          / GROUP PARAMETERS: PHOTOMETRY

                               /          / GROUP PARAMETERS: IMAGE STATISTICS

                               /          / WFPC-II DATA DESCRIPTOR KEYWORDS
INSTRUME= 'WFPC2   '           / instrument in use
ROOTNAME= 'U2LX0501T'          / rootname of the observation set
FILETYPE= 'SCI     '           / shp, ext, edq, sdq, sci

                               /          / SCIENCE INSTRUMENT CONFIGURATION
MODE    = 'FULL    '           / instr. mode: FULL (full res.), AREA (area int.)
SERIALS = 'ON      '           / serial clocks: ON, OFF

                               /          / IMAGE TYPE CHARACTERISTICS
IMAGETYP= 'EXT     '           / DARK/BIAS/IFLAT/UFLAT/VFLAT/KSPOT/EXT/ECAL
CDBSFILE= 'NO      '           / GENERIC/BIAS/DARK/FLAT/MASK/NO
PKTFMT  =                  104 / packet format code
DATE    = '02/04/95'           / date file written (dd/mm/yy)

                               /          / FILTER CONFIGURATION
FILTNAM1= 'F656N   '           / first filter name
FILTNAM2= '        '           / second filter name
FILTER1 =                   31 / first filter number (0-48)
FILTER2 =                    0 / second filter number (0-48)
FILTROT =                  0.0 / partial filter rotation angle (degrees)
LRFWAVE =                  0.0 / linear ramp filter wavelength

                               /          / INSTRUMENT STATUS USED IN DATA PROCE
UCH1CJTM=      -88.34862518311 / TEC cold junction #1 temperature (Celsius)
UCH2CJTM=       -88.8073425293 / TEC cold junction #2 temperature (Celsius)
UCH3CJTM=      -88.39449310303 / TEC cold junction #3 temperature (Celsius)
UCH4CJTM=      -88.90411376953 / TEC cold junction #4 temperature (Celsius)
UBAY3TMP=        13.6156539917 / bay 3 A1 temperature (deg C)
KSPOTS  = 'OFF     '           / Status of Kelsall spot lamps: ON, OFF
SHUTTER = 'B       '           / Shutter in place at the beginning of the exposu
ATODGAIN=                  7.0 / Analog to Digital Gain (Electrons/DN)

                               /          / RSDP CONTROL KEYWORDS
MASKCORR= 'COMPLETE'           / Do mask correction: PERFORM, OMIT, COMPLETE
ATODCORR= 'COMPLETE'           / Do A-to-D correction: PERFORM, OMIT, COMPLETE
BLEVCORR= 'COMPLETE'           / Do bias level correction: PERFORM, OMIT, COMPLE
BIASCORR= 'COMPLETE'           / Do bias correction: PERFORM, OMIT, COMPLETE
DARKCORR= 'COMPLETE'           / Do dark correction: PERFORM, OMIT, COMPLETE
FLATCORR= 'COMPLETE'           / Do flat field correction: PERFORM, OMIT, COMPLE
SHADCORR= 'COMPLETE'           / Do shaded shutter correction: PERFORM, OMIT, CO
DOSATMAP= 'OMIT    '           / Output saturated pixel map: PERFORM, OMIT, COMP
DOPHOTOM= 'COMPLETE'           / Fill photometry keywords: PERFORM, OMIT, COMPLE
DOHISTOS= 'OMIT    '           / Make histograms: PERFORM, OMIT, COMPLETE
OUTDTYPE= 'REAL    '           / Output image datatype: REAL, LONG, SHORT

                               /          / CALIBRATION REFERENCE FILES
MASKFILE= 'uref$f8213081u.r0h' / name of the input DQF of known bad pixels
ATODFILE= 'uref$dbu1405iu.r1h' / name of the A-to-D conversion file
BLEVFILE= 'ucal$u2lx0501t.x0h' / Engineering file with extended register data
BLEVDFIL= 'ucal$u2lx0501t.q1h' / Engineering file DQF
BIASFILE= 'uref$fcb1503du.r2h' / name of the bias frame reference file
BIASDFIL= 'uref$fcb1503du.b2h' / name of the bias frame reference DQF
DARKFILE= 'uref$f461210tu.r3h' / name of the dark reference file
DARKDFIL= 'uref$f461210tu.b3h' / name of the dark reference DQF
FLATFILE= 'uref$g6h0945cu.r4h' / name of the flat field reference file
FLATDFIL= 'uref$g6h0945cu.b4h' / name of the flat field reference DQF
SHADFILE= 'uref$e371355iu.r5h' / name of the reference file for shutter shading
PHOTTAB = '        '           / name of the photometry calibration table
GRAPHTAB= 'mtab$m1p1255om.tmg' / the HST graph table
COMPTAB = 'mtab$m4i1217km.tmc' / the HST components table

                               /          / DEFAULT KEYWORDS SET BY STSCI
SATURATE=                 4095 / Data value at which saturation occurs
USCALE  =                  1.0 / Scale factor for output image
UZERO   =                  0.0 / Zero point for output image

                               /          / READOUT DURATION INFORMATION
READTIME=                  464 / Length of time for CCD readout in clock ticks

                               /          / PLANETARY SCIENCE KEYWORDS
PA_V3   =             92.99789 / position angle of v3 axis of HST
RA_SUN  =        10.6597046462 / right ascension of the sun (deg)
DEC_SUN =       4.585364087424 / declination of the sun (deg)
EQNX_SUN=               2000.0 / equinox of the sun
MTFLAG  =                    F / moving target flag
EQRADTRG=                  0.0 / equatorial radius of target
FLATNTRG=                  0.0 / flattening of target
NPDECTRG=                  0.0 / north pole declination of target
NPRATRG =                  0.0 / north pole right ascension of target
ROTRTTRG=                  0.0 / rotation rate of target
LONGPMER=                  0.0 / longitude of prime meridian
EPLONGPM=                  0.0 / epoch of longitude of prime meridian
SURFLATD=                  0.0 / surface feature latitude
SURFLONG=                  0.0 / surface feature longitude
SURFALTD=                  0.0 / surface feature altitude

                               /          / PODPS FILL VALUES
PODPSFF =                    0 / 0=(no podps fill), 1=(podps fill present)
STDCFFF =                    0 / 0=(no st dcf fill), 1=(st dcf fill present)
STDCFFP = '0000    '           / st dcf fill pattern (hex)
RSDPFILL=                 -100 / bad data fill value for calibrated images

                               /          / EXPOSURE TIME AND RELATED INFORMATIO
UEXPODUR=                 1100 / Commanded duration of exposure (seconds)
NSHUTA17=                    1 / Number of AP17 shutter B closes
DARKTIME=               1100.0 / Dark time (seconds)
UEXPOTIM=                23408 / Major frame pulse time preceding exposure start
PSTRTIME= '1995.091:17:32:39'  / Predicted obs. start time  (yyyy:ddd:hh:mm:ss)
PSTPTIME= '1995.091:17:52:39'  / Predicted obs. stop  time  (yyyy:ddd:hh:mm:ss)

                               /          / EXPOSURE INFORMATION
SUNANGLE=       96.85704040527 / angle between sun and V1 axis (deg)
MOONANGL=       115.2464447021 / angle between moon and V1 axis (deg)
SUN_ALT =       36.93915557861 / altitude of the sun above Earth's limb (deg)
FGSLOCK = 'FINE    '           / commanded FGS lock (FINE,COARSE,GYROS,UNKNOWN)

DATE-OBS= ' 1/04/95'           / UT date of start of observation (dd/mm/yy)
TIME-OBS= '17:15:17'           / UT time of start of observation (hh:mm:ss)
EXPSTART=       49808.71894742 / exposure start time (Modified Julian Date)
EXPEND  =        49808.7316789 / exposure end time (Modified Julian Date)
EXPTIME =               1100.0 / exposure duration (seconds)--calculated
EXPFLAG = 'NORMAL  '           / Exposure interruption indicator

                               /          / TARGET & PROPOSAL ID
TARGNAME= 'M16-A   '           / proposer's target name
RA_TARG =       274.7039166667 / right ascension of the target (deg) (J2000)
DEC_TARG=      -13.83091666667 / declination of the target (deg) (J2000)

PROPOSID=                 5773 / PEP proposal identifier
PEP_EXPO= '4.2000017#001'      / PEP exposure identifier including sequence
LINENUM = '4.010   '           / PEP proposal line number
SEQLINE = '4.200   '           / PEP line number of defined sequence
SEQNAME = 'M16SEQ  '           / PEP define/use sequence name

HISTORY   MASKFILE=uref$f8213081u.r0h  MASKCORR=COMPLETED
HISTORY   PEDIGREE=INFLIGHT 01/01/1994 - 15/05/1995
HISTORY   DESCRIP=STATIC MASK - INCLUDES CHARGE TRANSFER TRAPS
HISTORY   BIASFILE=uref$fcb1503du.r2h  BIASCORR=COMPLETED
HISTORY   PEDIGREE=INFLIGHT 13/01/1995 - 11/04/1995
HISTORY   DESCRIP=not signif. different from f1j16* but generated from new data
HISTORY   DARKFILE=uref$f461210tu.r3h  DARKCORR=COMPLETED
HISTORY   PEDIGREE=INFLIGHT 27/03/1995 - 04/04/1995
HISTORY   DESCRIP=dark,full mode,serials on,gain=7,-88C
HISTORY   FLATFILE=uref$g6h0945cu.r4h  FLATCORR=COMPLETED
HISTORY   PEDIGREE=INFLIGHT 01/05/1994 - 01/10/1994
HISTORY   DESCRIP=Improved Cyc4 flat, fixed errors at CCD edges - now < 0.5% RM
HISTORY   SHADFILE=uref$e371355iu.r5h  SHADCORR=COMPLETED
HISTORY   PEDIGREE=GROUND
HISTORY   DESCRIP=
HISTORY   PC1: bias jump level ~0.155 DN.
HISTORY   The following throughput tables were used:
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_dqepc1_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_a2d7pc1_004_syn.fits,
HISTORY   crwfpc2comp$wfpc2_flatpc1_003_syn.fits
HISTORY   WF2: bias jump level ~0.180 DN.
HISTORY   The following throughput tables were used:
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_dqewfc2_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_a2d7wf2_004_syn.fits,
HISTORY   crwfpc2comp$wfpc2_flatwf2_003_syn.fits
HISTORY   WF3: bias jump level ~0.274 DN.
HISTORY   The following throughput tables were used:
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_dqewfc3_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_a2d7wf3_004_syn.fits,
HISTORY   crwfpc2comp$wfpc2_flatwf3_003_syn.fits
HISTORY   WF4: bias jump level ~0.202 DN.
HISTORY   The following throughput tables were used:
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_dqewfc4_005_syn.fits,
HISTORY   crwfpc2comp$wfpc2_a2d7wf4_004_syn.fits,
HISTORY   crwfpc2comp$wfpc2_flatwf4_003_syn.fits
HISTORY   Ran task WARMPIX, version 1.1 (Sep 28, 1999) at Mon 00:16:49
HISTORY   29-Jul-2002, rej_thresh=0.10000, fix_thresh=0.00300,
HISTORY   var_thresh=0.00300,
HISTORY   fix_dqval=1024, rej_val=INDEF
SKYSUB1 =                 13.7 / Sky value for chip 1
PYS_VERS=                  1.7 / PyStack.py: Version
IRAF_I  = 'IRAF V2.11 May 1997 release:2.11.3b'
STAC_I  = '$RCSfile: imstack_imshift_imcomb.cl,v $ $Revision: 1.1 $'
PYS_ITER=                    5 / PyStack.py: Number of iterations
PYS_HEXP=                    2 / PyStack.py: Value of exponent
SKYSUB2 =                86.37 / Sky value for chip 2
SKYSUB3 =                88.54 / Sky value for chip 3
SKYSUB4 =                44.66 / Sky value for chip 4
NCOMBINE=                    2 / Number of exposures for this association
ASTR_I  = '$RCSfile: image_type.cl,v $ $Revision: 1.1 $'
XSHIFT  =         -0.000213623 / Y shift in degrees from USNO stars
YSHIFT  =         -2.765656e-5 / X shift in degrees from USNO stars
OCRVL1  =             274.7039 / Old CRVAL1 value before USNO correction
OCRVL2  =            -13.83092 / Old CRVAL2 value before USNO correction
FR_LOWF1=            0.9928686 / Fraction of flux in low frequency for chip 1
FR_STAR1=         0.0005451115 / Fraction of flux in stars for chip 1
FR_GAL1 =          0.006586314 / Fraction of flux in stars for chip 1
FTOTAL1 =             3886.887 / Total flux in chip 1
FR_LOWF2=            0.9486716 / Fraction of flux in low frequency for chip 2
FR_STAR2=          0.004499074 / Fraction of flux in stars for chip 2
FR_GAL2 =           0.04682927 / Fraction of flux in stars for chip 2
FTOTAL2 =             12345.12 / Total flux in chip 2
FR_LOWF3=            0.9776544 / Fraction of flux in low frequency for chip 3
FR_STAR3=          0.000658165 / Fraction of flux in stars for chip 3
FR_GAL3 =           0.02168746 / Fraction of flux in stars for chip 3
FTOTAL3 =             16654.92 / Total flux in chip 3
FR_LOWF4=            0.9892846 / Fraction of flux in low frequency for chip 4
FR_STAR4=          0.001161799 / Fraction of flux in stars for chip 4
FR_GAL4 =           0.00955356 / Fraction of flux in stars for chip 4
FTOTAL4 =             24094.24 / Total flux in chip 4
FR_LOWF =            0.9773308 / Fraction of flux in low frequency for all chips
FR_STARS=          0.001695556 / Fraction of flux in stars for all chips
FR_GALS =           0.02097363 / Fraction of flux in stars for all chips
FTOTAL  =             56981.16 / Total flux in all chips
IMAG_I  = '$RCSfile$ $Revision$'
EQUINOX =               2000.0
SEXC_I  = '$RCSfile$ $Revision$'
HISTORY   Ran task WMOSAIC, version 2.1 (Jun 1995), at Fri 16:17:34 01-Jul-2005

After:

SIMPLE  =                    T / FITS STANDARD                                  
BITPIX  =                  -32 / FITS BITS/PIXEL                                
NAXIS   =                    2 / NUMBER OF AXES                                 
NAXIS1  =                 1600                                                  
NAXIS2  =                 1600                                                  
EXTEND  =                    T / There maybe standard extensions                
BSCALE  =                  1.0 / REAL = TAPE*BSCALE + BZERO                     
BZERO   =                  0.0                                                  
OPSIZE  =                 2112 / PSIZE of original image                        
ORIGIN  = 'STScI-STSDAS'       / Fitsio version 21-Feb-1996                     
FITSDATE= '2005-07-01'         / Date FITS file was created                     
FILENAME= '656nmos_cvt.hhh'    / Original filename                              
ALLG-MAX=                  0.0 / Data max in all groups                         
ALLG-MIN=                  0.0 / Data min in all groups                         
ODATTYPE= 'FLOATING'           / Original datatype: Single precision real       
SDASMGNU=                    1 / Number of groups in original image             
CRVAL1  =      274.71149247724                                                  
CRVAL2  =     -13.816384007184                                                  
CRPIX1  =                386.5                                                  
CRPIX2  =                396.0                                                  
CD1_1   =          1.878013e-5                                                  
CD1_2   =         -2.031193e-5                                                  
CD2_1   =         -2.029358e-5                                                  
CD2_2   =         -1.879711e-5                                                  
DATAMIN =                  0.0 / DATA MIN                                       
DATAMAX =                  0.0 / DATA MAX                                       
MIR_REVR=                    T                                                  
ORIENTAT=            -131.9115                                                  
FILLCNT =                    0                                                  
ERRCNT  =                    0                                                  
FPKTTIME=     49808.7324543649                                                  
LPKTTIME=      49808.732622189                                                  
CTYPE1  = 'RA---TAN'                                                            
CTYPE2  = 'DEC--TAN'                                                            
DETECTOR=                    4                                                  
DEZERO  =             311.3041                                                  
BIASEVEN=             311.3347                                                  
BIASODD =             311.2736                                                  
GOODMIN =             20.02589                                                  
GOODMAX =             5584.467                                                  
DATAMEAN=              89.2569                                                  
GPIXELS =               559905                                                  
SOFTERRS=                    0                                                  
CALIBDEF=                80081                                                  
STATICD =                    0                                                  
ATODSAT =                   15                                                  
DATALOST=                    0                                                  
BADPIXEL=                    0                                                  
OVERLAP =                    0                                                  
PHOTMODE= 'WFPC2,4,A2D7,F656N,,CAL'                                             
PHOTFLAM=          1.52899e-16                                                  
PHOTZPT =                -21.1                                                  
PHOTPLAM=             6563.585                                                  
PHOTBW  =             55.16187                                                  
MEDIAN  =             93.54508                                                  
MEDSHADO=             66.10242                                                  
HISTWIDE=             62.41553                                                  
SKEWNESS=           -0.1202522                                                  
MEANC10 =             126.9503                                                  
MEANC25 =             128.0693                                                  
MEANC50 =             134.1882                                                  
MEANC100=               132.23                                                  
MEANC200=             114.3746                                                  
MEANC300=             100.2731                                                  
BACKGRND=             42.37756                                                  
DADSFILE= 'U2LX0501T.D0F'                                                       
DADSCLAS= 'CAL     '                                                            
DADSDATE= '02-APR-1995 16:09:04'                                                

                               /          / GROUP PARAMETERS: OSS               

                               /          / GROUP PARAMETERS: PODPS             

                               /          / GROUP PARAMETERS: DATA QUALITY FILE 

                               /          / GROUP PARAMETERS: PHOTOMETRY        

                               /          / GROUP PARAMETERS: IMAGE STATISTICS  

                               /          / WFPC-II DATA DESCRIPTOR KEYWORDS    
INSTRUME= 'WFPC2   '           / instrument in use                              
ROOTNAME= 'U2LX0501T'          / rootname of the observation set                
FILETYPE= 'SCI     '           / shp, ext, edq, sdq, sci                        

                               /          / SCIENCE INSTRUMENT CONFIGURATION    
MODE    = 'FULL    '           / instr. mode: FULL (full res.), AREA (area int.)
SERIALS = 'ON      '           / serial clocks: ON, OFF                         

                               /          / IMAGE TYPE CHARACTERISTICS          
IMAGETYP= 'EXT     '           / DARK/BIAS/IFLAT/UFLAT/VFLAT/KSPOT/EXT/ECAL     
CDBSFILE= 'NO      '           / GENERIC/BIAS/DARK/FLAT/MASK/NO                 
PKTFMT  =                  104 / packet format code                             
DATE    = '02/04/95'           / date file written (dd/mm/yy)                   

                               /          / FILTER CONFIGURATION                
FILTNAM1= 'F656N   '           / first filter name                              
FILTNAM2= '        '           / second filter name                             
FILTER1 =                   31 / first filter number (0-48)                     
FILTER2 =                    0 / second filter number (0-48)                    
FILTROT =                  0.0 / partial filter rotation angle (degrees)        
LRFWAVE =                  0.0 / linear ramp filter wavelength                  

                               /          / INSTRUMENT STATUS USED IN DATA PROCE
UCH1CJTM=      -88.34862518311 / TEC cold junction #1 temperature (Celsius)     
UCH2CJTM=       -88.8073425293 / TEC cold junction #2 temperature (Celsius)     
UCH3CJTM=      -88.39449310303 / TEC cold junction #3 temperature (Celsius)     
UCH4CJTM=      -88.90411376953 / TEC cold junction #4 temperature (Celsius)     
UBAY3TMP=        13.6156539917 / bay 3 A1 temperature (deg C)                   
KSPOTS  = 'OFF     '           / Status of Kelsall spot lamps: ON, OFF          
SHUTTER = 'B       '           / Shutter in place at the beginning of the exposu
ATODGAIN=                  7.0 / Analog to Digital Gain (Electrons/DN)          

                               /          / RSDP CONTROL KEYWORDS               
MASKCORR= 'COMPLETE'           / Do mask correction: PERFORM, OMIT, COMPLETE    
ATODCORR= 'COMPLETE'           / Do A-to-D correction: PERFORM, OMIT, COMPLETE  
BLEVCORR= 'COMPLETE'           / Do bias level correction: PERFORM, OMIT, COMPLE
BIASCORR= 'COMPLETE'           / Do bias correction: PERFORM, OMIT, COMPLETE    
DARKCORR= 'COMPLETE'           / Do dark correction: PERFORM, OMIT, COMPLETE    
FLATCORR= 'COMPLETE'           / Do flat field correction: PERFORM, OMIT, COMPLE
SHADCORR= 'COMPLETE'           / Do shaded shutter correction: PERFORM, OMIT, CO
DOSATMAP= 'OMIT    '           / Output saturated pixel map: PERFORM, OMIT, COMP
DOPHOTOM= 'COMPLETE'           / Fill photometry keywords: PERFORM, OMIT, COMPLE
DOHISTOS= 'OMIT    '           / Make histograms: PERFORM, OMIT, COMPLETE       
OUTDTYPE= 'REAL    '           / Output image datatype: REAL, LONG, SHORT       

                               /          / CALIBRATION REFERENCE FILES         
MASKFILE= 'uref$f8213081u.r0h' / name of the input DQF of known bad pixels      
ATODFILE= 'uref$dbu1405iu.r1h' / name of the A-to-D conversion file             
BLEVFILE= 'ucal$u2lx0501t.x0h' / Engineering file with extended register data   
BLEVDFIL= 'ucal$u2lx0501t.q1h' / Engineering file DQF                           
BIASFILE= 'uref$fcb1503du.r2h' / name of the bias frame reference file          
BIASDFIL= 'uref$fcb1503du.b2h' / name of the bias frame reference DQF           
DARKFILE= 'uref$f461210tu.r3h' / name of the dark reference file                
DARKDFIL= 'uref$f461210tu.b3h' / name of the dark reference DQF                 
FLATFILE= 'uref$g6h0945cu.r4h' / name of the flat field reference file          
FLATDFIL= 'uref$g6h0945cu.b4h' / name of the flat field reference DQF           
SHADFILE= 'uref$e371355iu.r5h' / name of the reference file for shutter shading 
PHOTTAB = '        '           / name of the photometry calibration table       
GRAPHTAB= 'mtab$m1p1255om.tmg' / the HST graph table                            
COMPTAB = 'mtab$m4i1217km.tmc' / the HST components table                       

                               /          / DEFAULT KEYWORDS SET BY STSCI       
SATURATE=                 4095 / Data value at which saturation occurs          
USCALE  =                  1.0 / Scale factor for output image                  
UZERO   =                  0.0 / Zero point for output image                    

                               /          / READOUT DURATION INFORMATION        
READTIME=                  464 / Length of time for CCD readout in clock ticks  

                               /          / PLANETARY SCIENCE KEYWORDS          
PA_V3   =             92.99789 / position angle of v3 axis of HST               
RA_SUN  =        10.6597046462 / right ascension of the sun (deg)               
DEC_SUN =       4.585364087424 / declination of the sun (deg)                   
EQNX_SUN=               2000.0 / equinox of the sun                             
MTFLAG  =                    F / moving target flag                             
EQRADTRG=                  0.0 / equatorial radius of target                    
FLATNTRG=                  0.0 / flattening of target                           
NPDECTRG=                  0.0 / north pole declination of target               
NPRATRG =                  0.0 / north pole right ascension of target           
ROTRTTRG=                  0.0 / rotation rate of target                        
LONGPMER=                  0.0 / longitude of prime meridian                    
EPLONGPM=                  0.0 / epoch of longitude of prime meridian           
SURFLATD=                  0.0 / surface feature latitude                       
SURFLONG=                  0.0 / surface feature longitude                      
SURFALTD=                  0.0 / surface feature altitude                       

                               /          / PODPS FILL VALUES                   
PODPSFF =                    0 / 0=(no podps fill), 1=(podps fill present)      
STDCFFF =                    0 / 0=(no st dcf fill), 1=(st dcf fill present)    
STDCFFP = '0000    '           / st dcf fill pattern (hex)                      
RSDPFILL=                 -100 / bad data fill value for calibrated images      

                               /          / EXPOSURE TIME AND RELATED INFORMATIO
UEXPODUR=                 1100 / Commanded duration of exposure (seconds)       
NSHUTA17=                    1 / Number of AP17 shutter B closes                
DARKTIME=               1100.0 / Dark time (seconds)                            
UEXPOTIM=                23408 / Major frame pulse time preceding exposure start
PSTRTIME= '1995.091:17:32:39'  / Predicted obs. start time  (yyyy:ddd:hh:mm:ss) 
PSTPTIME= '1995.091:17:52:39'  / Predicted obs. stop  time  (yyyy:ddd:hh:mm:ss) 

                               /          / EXPOSURE INFORMATION                
SUNANGLE=       96.85704040527 / angle between sun and V1 axis (deg)            
MOONANGL=       115.2464447021 / angle between moon and V1 axis (deg)           
SUN_ALT =       36.93915557861 / altitude of the sun above Earth's limb (deg)   
FGSLOCK = 'FINE    '           / commanded FGS lock (FINE,COARSE,GYROS,UNKNOWN) 

DATE-OBS= ' 1/04/95'           / UT date of start of observation (dd/mm/yy)     
TIME-OBS= '17:15:17'           / UT time of start of observation (hh:mm:ss)     
EXPSTART=       49808.71894742 / exposure start time (Modified Julian Date)     
EXPEND  =        49808.7316789 / exposure end time (Modified Julian Date)       
EXPTIME =               1100.0 / exposure duration (seconds)--calculated        
EXPFLAG = 'NORMAL  '           / Exposure interruption indicator                

                               /          / TARGET & PROPOSAL ID                
TARGNAME= 'M16-A   '           / proposer's target name                         
RA_TARG =       274.7039166667 / right ascension of the target (deg) (J2000)    
DEC_TARG=      -13.83091666667 / declination of the target (deg) (J2000)        

PROPOSID=                 5773 / PEP proposal identifier                        
PEP_EXPO= '4.2000017#001'      / PEP exposure identifier including sequence     
LINENUM = '4.010   '           / PEP proposal line number                       
SEQLINE = '4.200   '           / PEP line number of defined sequence            
SEQNAME = 'M16SEQ  '           / PEP define/use sequence name                   

HISTORY   MASKFILE=uref$f8213081u.r0h  MASKCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 01/01/1994 - 15/05/1995                             
HISTORY   DESCRIP=STATIC MASK - INCLUDES CHARGE TRANSFER TRAPS                  
HISTORY   BIASFILE=uref$fcb1503du.r2h  BIASCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 13/01/1995 - 11/04/1995                             
HISTORY   DESCRIP=not signif. different from f1j16* but generated from new data 
HISTORY   DARKFILE=uref$f461210tu.r3h  DARKCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 27/03/1995 - 04/04/1995                             
HISTORY   DESCRIP=dark,full mode,serials on,gain=7,-88C                         
HISTORY   FLATFILE=uref$g6h0945cu.r4h  FLATCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 01/05/1994 - 01/10/1994                             
HISTORY   DESCRIP=Improved Cyc4 flat, fixed errors at CCD edges - now < 0.5% RMS
HISTORY   SHADFILE=uref$e371355iu.r5h  SHADCORR=COMPLETED                       
HISTORY   PEDIGREE=GROUND                                                       
HISTORY   DESCRIP=                                                              
HISTORY   PC1: bias jump level ~0.155 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqepc1_005_syn.fits,                                
HISTORY   crwfpc2comp$wfpc2_a2d7pc1_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatpc1_003_syn.fits                                
HISTORY   WF2: bias jump level ~0.180 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqewfc2_005_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_a2d7wf2_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatwf2_003_syn.fits                                
HISTORY   WF3: bias jump level ~0.274 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqewfc3_005_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_a2d7wf3_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatwf3_003_syn.fits                                
HISTORY   WF4: bias jump level ~0.202 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqewfc4_005_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_a2d7wf4_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatwf4_003_syn.fits                                
HISTORY   Ran task WARMPIX, version 1.1 (Sep 28, 1999) at Mon 00:16:49          
HISTORY   29-Jul-2002, rej_thresh=0.10000, fix_thresh=0.00300,                  
HISTORY   var_thresh=0.00300,                                                   
HISTORY   fix_dqval=1024, rej_val=INDEF                                         
SKYSUB1 =                 13.7 / Sky value for chip 1                           
PYS_VERS=                  1.7 / PyStack.py: Version                            
IRAF_I  = 'IRAF V2.11 May 1997 release:2.11.3b'                                 
STAC_I  = '$RCSfile: imstack_imshift_imcomb.cl,v $ $Revision: 1.1 $'            
PYS_ITER=                    5 / PyStack.py: Number of iterations               
PYS_HEXP=                    2 / PyStack.py: Value of exponent                  
SKYSUB2 =                86.37 / Sky value for chip 2                           
SKYSUB3 =                88.54 / Sky value for chip 3                           
SKYSUB4 =                44.66 / Sky value for chip 4                           
NCOMBINE=                    2 / Number of exposures for this association       
ASTR_I  = '$RCSfile: image_type.cl,v $ $Revision: 1.1 $'                        
XSHIFT  =         -0.000213623 / Y shift in degrees from USNO stars             
YSHIFT  =         -2.765656e-5 / X shift in degrees from USNO stars             
OCRVL1  =             274.7039 / Old CRVAL1 value before USNO correction        
OCRVL2  =            -13.83092 / Old CRVAL2 value before USNO correction        
FR_LOWF1=            0.9928686 / Fraction of flux in low frequency for chip 1   
FR_STAR1=         0.0005451115 / Fraction of flux in stars for chip 1           
FR_GAL1 =          0.006586314 / Fraction of flux in stars for chip 1           
FTOTAL1 =             3886.887 / Total flux in chip 1                           
FR_LOWF2=            0.9486716 / Fraction of flux in low frequency for chip 2   
FR_STAR2=          0.004499074 / Fraction of flux in stars for chip 2           
FR_GAL2 =           0.04682927 / Fraction of flux in stars for chip 2           
FTOTAL2 =             12345.12 / Total flux in chip 2                           
FR_LOWF3=            0.9776544 / Fraction of flux in low frequency for chip 3   
FR_STAR3=          0.000658165 / Fraction of flux in stars for chip 3           
FR_GAL3 =           0.02168746 / Fraction of flux in stars for chip 3           
FTOTAL3 =             16654.92 / Total flux in chip 3                           
FR_LOWF4=            0.9892846 / Fraction of flux in low frequency for chip 4   
FR_STAR4=          0.001161799 / Fraction of flux in stars for chip 4           
FR_GAL4 =           0.00955356 / Fraction of flux in stars for chip 4           
FTOTAL4 =             24094.24 / Total flux in chip 4                           
FR_LOWF =            0.9773308 / Fraction of flux in low frequency for all chips
FR_STARS=          0.001695556 / Fraction of flux in stars for all chips        
FR_GALS =           0.02097363 / Fraction of flux in stars for all chips        
FTOTAL  =             56981.16 / Total flux in all chips                        
IMAG_I  = '$RCSfile$ $Revision$'                                                
EQUINOX =               2000.0                                                  
SEXC_I  = '$RCSfile$ $Revision$'                                                
HISTORY   Ran task WMOSAIC, version 2.1 (Jun 1995), at Fri 16:17:34 01-Jul-2005 
END

DS9:

SIMPLE  =                    T / FITS STANDARD                                  
BITPIX  =                  -32 / FITS BITS/PIXEL                                
NAXIS   =                    2 / NUMBER OF AXES                                 
NAXIS1  =                 1600 /                                                
NAXIS2  =                 1600 /                                                
EXTEND  =                    T / There maybe standard extensions                
BSCALE  =                1.0E0 / REAL = TAPE*BSCALE + BZERO                     
BZERO   =                0.0E0 /                                                
OPSIZE  =                 2112 / PSIZE of original image                        
ORIGIN  = 'STScI-STSDAS'       / Fitsio version 21-Feb-1996                     
FITSDATE= '2005-07-01'         / Date FITS file was created                     
FILENAME= '656nmos_cvt.hhh'    / Original filename                              
ALLG-MAX=           0.000000E0 / Data max in all groups                         
ALLG-MIN=           0.000000E0 / Data min in all groups                         
ODATTYPE= 'FLOATING'           / Original datatype: Single precision real       
SDASMGNU=                    1 / Number of groups in original image             
CRVAL1  =      274.71149247724                                                  
CRVAL2  =     -13.816384007184                                                  
CRPIX1  =                386.5                                                  
CRPIX2  =                 396.                                                  
CD1_1   =          1.878013E-5                                                  
CD1_2   =         -2.031193E-5                                                  
CD2_1   =         -2.029358E-5                                                  
CD2_2   =         -1.879711E-5                                                  
DATAMIN =           0.000000E0 / DATA MIN                                       
DATAMAX =           0.000000E0 / DATA MAX                                       
MIR_REVR=                    T                                                  
ORIENTAT=            -131.9115                                                  
FILLCNT =                    0                                                  
ERRCNT  =                    0                                                  
FPKTTIME=     49808.7324543649                                                  
LPKTTIME=      49808.732622189                                                  
CTYPE1  = 'RA---TAN'                                                            
CTYPE2  = 'DEC--TAN'                                                            
DETECTOR=                    4                                                  
DEZERO  =             311.3041                                                  
BIASEVEN=             311.3347                                                  
BIASODD =             311.2736                                                  
GOODMIN =             20.02589                                                  
GOODMAX =             5584.467                                                  
DATAMEAN=              89.2569                                                  
GPIXELS =               559905                                                  
SOFTERRS=                    0                                                  
CALIBDEF=                80081                                                  
STATICD =                    0                                                  
ATODSAT =                   15                                                  
DATALOST=                    0                                                  
BADPIXEL=                    0                                                  
OVERLAP =                    0                                                  
PHOTMODE= 'WFPC2,4,A2D7,F656N,,CAL                         '                    
PHOTFLAM=         1.528990E-16                                                  
PHOTZPT =                -21.1                                                  
PHOTPLAM=             6563.585                                                  
PHOTBW  =             55.16187                                                  
MEDIAN  =             93.54508                                                  
MEDSHADO=             66.10242                                                  
HISTWIDE=             62.41553                                                  
SKEWNESS=           -0.1202522                                                  
MEANC10 =             126.9503                                                  
MEANC25 =             128.0693                                                  
MEANC50 =             134.1882                                                  
MEANC100=               132.23                                                  
MEANC200=             114.3746                                                  
MEANC300=             100.2731                                                  
BACKGRND=             42.37756                                                  
DADSFILE= 'U2LX0501T.D0F'      /                                                
DADSCLAS= 'CAL     '           /                                                
DADSDATE= '02-APR-1995 16:09:04' /                                              

                 / GROUP PARAMETERS: OSS                                        

                 / GROUP PARAMETERS: PODPS                                      

                 / GROUP PARAMETERS: DATA QUALITY FILE SUMMARY                  

                 / GROUP PARAMETERS: PHOTOMETRY                                 

                 / GROUP PARAMETERS: IMAGE STATISTICS                           

                 / WFPC-II DATA DESCRIPTOR KEYWORDS                             
INSTRUME= 'WFPC2             ' / instrument in use                              
ROOTNAME= 'U2LX0501T         ' / rootname of the observation set                
FILETYPE= 'SCI               ' / shp, ext, edq, sdq, sci                        

                 / SCIENCE INSTRUMENT CONFIGURATION                             
MODE    = 'FULL              ' / instr. mode: FULL (full res.), AREA (area int.)
SERIALS = 'ON                ' / serial clocks: ON, OFF                         

                 / IMAGE TYPE CHARACTERISTICS                                   
IMAGETYP= 'EXT               ' / DARK/BIAS/IFLAT/UFLAT/VFLAT/KSPOT/EXT/ECAL     
CDBSFILE= 'NO                ' / GENERIC/BIAS/DARK/FLAT/MASK/NO                 
PKTFMT  =                  104 / packet format code                             
DATE    = '02/04/95          ' / date file written (dd/mm/yy)                   

                 / FILTER CONFIGURATION                                         
FILTNAM1= 'F656N             ' / first filter name                              
FILTNAM2= '                  ' / second filter name                             
FILTER1 =                   31 / first filter number (0-48)                     
FILTER2 =                    0 / second filter number (0-48)                    
FILTROT =                  0.0 / partial filter rotation angle (degrees)        
LRFWAVE =                  0.0 / linear ramp filter wavelength                  

                 / INSTRUMENT STATUS USED IN DATA PROCESSING                    
UCH1CJTM=      -88.34862518311 / TEC cold junction #1 temperature (Celsius)     
UCH2CJTM=      -88.80734252930 / TEC cold junction #2 temperature (Celsius)     
UCH3CJTM=      -88.39449310303 / TEC cold junction #3 temperature (Celsius)     
UCH4CJTM=      -88.90411376953 / TEC cold junction #4 temperature (Celsius)     
UBAY3TMP=       13.61565399170 / bay 3 A1 temperature (deg C)                   
KSPOTS  = 'OFF               ' / Status of Kelsall spot lamps: ON, OFF          
SHUTTER = 'B                 ' / Shutter in place at the beginning of the exposu
ATODGAIN=       7.000000000000 / Analog to Digital Gain (Electrons/DN)          

                 / RSDP CONTROL KEYWORDS                                        
MASKCORR= 'COMPLETE'           / Do mask correction: PERFORM, OMIT, COMPLETE    
ATODCORR= 'COMPLETE'           / Do A-to-D correction: PERFORM, OMIT, COMPLETE  
BLEVCORR= 'COMPLETE'           / Do bias level correction: PERFORM, OMIT, COMPLE
BIASCORR= 'COMPLETE'           / Do bias correction: PERFORM, OMIT, COMPLETE    
DARKCORR= 'COMPLETE'           / Do dark correction: PERFORM, OMIT, COMPLETE    
FLATCORR= 'COMPLETE'           / Do flat field correction: PERFORM, OMIT, COMPLE
SHADCORR= 'COMPLETE'           / Do shaded shutter correction: PERFORM, OMIT, CO
DOSATMAP= 'OMIT              ' / Output saturated pixel map: PERFORM, OMIT, COMP
DOPHOTOM= 'COMPLETE'           / Fill photometry keywords: PERFORM, OMIT, COMPLE
DOHISTOS= 'OMIT    '           / Make histograms: PERFORM, OMIT, COMPLETE       
OUTDTYPE= 'REAL    '           / Output image datatype: REAL, LONG, SHORT       

                 / CALIBRATION REFERENCE FILES                                  
MASKFILE= 'uref$f8213081u.r0h' / name of the input DQF of known bad pixels      
ATODFILE= 'uref$dbu1405iu.r1h' / name of the A-to-D conversion file             
BLEVFILE= 'ucal$u2lx0501t.x0h' / Engineering file with extended register data   
BLEVDFIL= 'ucal$u2lx0501t.q1h' / Engineering file DQF                           
BIASFILE= 'uref$fcb1503du.r2h' / name of the bias frame reference file          
BIASDFIL= 'uref$fcb1503du.b2h' / name of the bias frame reference DQF           
DARKFILE= 'uref$f461210tu.r3h' / name of the dark reference file                
DARKDFIL= 'uref$f461210tu.b3h' / name of the dark reference DQF                 
FLATFILE= 'uref$g6h0945cu.r4h' / name of the flat field reference file          
FLATDFIL= 'uref$g6h0945cu.b4h' / name of the flat field reference DQF           
SHADFILE= 'uref$e371355iu.r5h' / name of the reference file for shutter shading 
PHOTTAB = '                  ' / name of the photometry calibration table       
GRAPHTAB= 'mtab$m1p1255om.tmg' / the HST graph table                            
COMPTAB = 'mtab$m4i1217km.tmc' / the HST components table                       

                 / DEFAULT KEYWORDS SET BY STSCI                                
SATURATE=                 4095 / Data value at which saturation occurs          
USCALE  =                  1.0 / Scale factor for output image                  
UZERO   =                  0.0 / Zero point for output image                    

                 / READOUT DURATION INFORMATION                                 
READTIME=                  464 / Length of time for CCD readout in clock ticks  

                 / PLANETARY SCIENCE KEYWORDS                                   
PA_V3   =        0.9299789E+02 / position angle of v3 axis of HST               
RA_SUN  =  0.1065970464620E+02 / right ascension of the sun (deg)               
DEC_SUN =  0.4585364087424E+01 / declination of the sun (deg)                   
EQNX_SUN=               2000.0 / equinox of the sun                             
MTFLAG  =                    F / moving target flag                             
EQRADTRG=                  0.0 / equatorial radius of target                    
FLATNTRG=                  0.0 / flattening of target                           
NPDECTRG=                  0.0 / north pole declination of target               
NPRATRG =                  0.0 / north pole right ascension of target           
ROTRTTRG=                  0.0 / rotation rate of target                        
LONGPMER=                  0.0 / longitude of prime meridian                    
EPLONGPM=                  0.0 / epoch of longitude of prime meridian           
SURFLATD=                  0.0 / surface feature latitude                       
SURFLONG=                  0.0 / surface feature longitude                      
SURFALTD=                  0.0 / surface feature altitude                       

                 / PODPS FILL VALUES                                            
PODPSFF =                    0 / 0=(no podps fill), 1=(podps fill present)      
STDCFFF =                    0 / 0=(no st dcf fill), 1=(st dcf fill present)    
STDCFFP = '0000              ' / st dcf fill pattern (hex)                      
RSDPFILL=                 -100 / bad data fill value for calibrated images      

                 / EXPOSURE TIME AND RELATED INFORMATION                        
UEXPODUR=                 1100 / Commanded duration of exposure (seconds)       
NSHUTA17=                    1 / Number of AP17 shutter B closes                
DARKTIME=       1100.000000000 / Dark time (seconds)                            
UEXPOTIM=                23408 / Major frame pulse time preceding exposure start
PSTRTIME= '1995.091:17:32:39 ' / Predicted obs. start time  (yyyy:ddd:hh:mm:ss) 
PSTPTIME= '1995.091:17:52:39 ' / Predicted obs. stop  time  (yyyy:ddd:hh:mm:ss) 

                 / EXPOSURE INFORMATION                                         
SUNANGLE=       96.85704040527 / angle between sun and V1 axis (deg)            
MOONANGL=       115.2464447021 / angle between moon and V1 axis (deg)           
SUN_ALT =       36.93915557861 / altitude of the sun above Earth's limb (deg)   
FGSLOCK = 'FINE              ' / commanded FGS lock (FINE,COARSE,GYROS,UNKNOWN) 

DATE-OBS= ' 1/04/95          ' / UT date of start of observation (dd/mm/yy)     
TIME-OBS= '17:15:17          ' / UT time of start of observation (hh:mm:ss)     
EXPSTART=       49808.71894742 / exposure start time (Modified Julian Date)     
EXPEND  =       49808.73167890 / exposure end time (Modified Julian Date)       
EXPTIME =                1100. / exposure duration (seconds)--calculated        
EXPFLAG = 'NORMAL            ' / Exposure interruption indicator                

                 / TARGET & PROPOSAL ID                                         
TARGNAME= 'M16-A             ' / proposer's target name                         
RA_TARG =  0.2747039166667E+03 / right ascension of the target (deg) (J2000)    
DEC_TARG= -0.1383091666667E+02 / declination of the target (deg) (J2000)        

PROPOSID=                05773 / PEP proposal identifier                        
PEP_EXPO= '4.2000017#001     ' / PEP exposure identifier including sequence     
LINENUM = '4.010             ' / PEP proposal line number                       
SEQLINE = '4.200             ' / PEP line number of defined sequence            
SEQNAME = 'M16SEQ            ' / PEP define/use sequence name                   

HISTORY   MASKFILE=uref$f8213081u.r0h  MASKCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 01/01/1994 - 15/05/1995                             
HISTORY   DESCRIP=STATIC MASK - INCLUDES CHARGE TRANSFER TRAPS                  
HISTORY   BIASFILE=uref$fcb1503du.r2h  BIASCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 13/01/1995 - 11/04/1995                             
HISTORY   DESCRIP=not signif. different from f1j16* but generated from new data 
HISTORY   DARKFILE=uref$f461210tu.r3h  DARKCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 27/03/1995 - 04/04/1995                             
HISTORY   DESCRIP=dark,full mode,serials on,gain=7,-88C                         
HISTORY   FLATFILE=uref$g6h0945cu.r4h  FLATCORR=COMPLETED                       
HISTORY   PEDIGREE=INFLIGHT 01/05/1994 - 01/10/1994                             
HISTORY   DESCRIP=Improved Cyc4 flat, fixed errors at CCD edges - now < 0.5% RMS
HISTORY   SHADFILE=uref$e371355iu.r5h  SHADCORR=COMPLETED                       
HISTORY   PEDIGREE=GROUND                                                       
HISTORY   DESCRIP=                                                              
HISTORY   PC1: bias jump level ~0.155 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqepc1_005_syn.fits,                                
HISTORY   crwfpc2comp$wfpc2_a2d7pc1_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatpc1_003_syn.fits                                
HISTORY   WF2: bias jump level ~0.180 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqewfc2_005_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_a2d7wf2_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatwf2_003_syn.fits                                
HISTORY   WF3: bias jump level ~0.274 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqewfc3_005_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_a2d7wf3_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatwf3_003_syn.fits                                
HISTORY   WF4: bias jump level ~0.202 DN.                                       
HISTORY   The following throughput tables were used:                            
HISTORY   crotacomp$hst_ota_007_syn.fits, crwfpc2comp$wfpc2_optics_006_syn.fits,
HISTORY   crwfpc2comp$wfpc2_f656n_005_syn.fits,                                 
HISTORY   crwfpc2comp$wfpc2_dqewfc4_005_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_a2d7wf4_004_syn.fits,                               
HISTORY   crwfpc2comp$wfpc2_flatwf4_003_syn.fits                                
HISTORY   Ran task WARMPIX, version 1.1 (Sep 28, 1999) at Mon 00:16:49          
HISTORY   29-Jul-2002, rej_thresh=0.10000, fix_thresh=0.00300,                  
HISTORY   var_thresh=0.00300,                                                   
HISTORY   fix_dqval=1024, rej_val=INDEF                                         
SKYSUB1 =                 13.7 / Sky value for chip 1                           
PYS_VERS=                  1.7 / PyStack.py: Version                            
IRAF_I  = 'IRAF V2.11 May 1997 release:2.11.3b'                                 
STAC_I  = '$RCSfile: imstack_imshift_imcomb.cl,v $ $Revision: 1.1 $'            
PYS_ITER=                    5 / PyStack.py: Number of iterations               
PYS_HEXP=                    2 / PyStack.py: Value of exponent                  
SKYSUB2 =                86.37 / Sky value for chip 2                           
SKYSUB3 =                88.54 / Sky value for chip 3                           
SKYSUB4 =                44.66 / Sky value for chip 4                           
NCOMBINE=                    2 / Number of exposures for this association       
ASTR_I  = '$RCSfile: image_type.cl,v $ $Revision: 1.1 $'                        
XSHIFT  =         -2.136230E-4 / Y shift in degrees from USNO stars             
YSHIFT  =         -2.765656E-5 / X shift in degrees from USNO stars             
OCRVL1  =             274.7039 / Old CRVAL1 value before USNO correction        
OCRVL2  =            -13.83092 / Old CRVAL2 value before USNO correction        
FR_LOWF1=            0.9928686 / Fraction of flux in low frequency for chip 1   
FR_STAR1=          5.451115E-4 / Fraction of flux in stars for chip 1           
FR_GAL1 =          0.006586314 / Fraction of flux in stars for chip 1           
FTOTAL1 =             3886.887 / Total flux in chip 1                           
FR_LOWF2=            0.9486716 / Fraction of flux in low frequency for chip 2   
FR_STAR2=          0.004499074 / Fraction of flux in stars for chip 2           
FR_GAL2 =           0.04682927 / Fraction of flux in stars for chip 2           
FTOTAL2 =             12345.12 / Total flux in chip 2                           
FR_LOWF3=            0.9776544 / Fraction of flux in low frequency for chip 3   
FR_STAR3=          6.581650E-4 / Fraction of flux in stars for chip 3           
FR_GAL3 =           0.02168746 / Fraction of flux in stars for chip 3           
FTOTAL3 =             16654.92 / Total flux in chip 3                           
FR_LOWF4=            0.9892846 / Fraction of flux in low frequency for chip 4   
FR_STAR4=          0.001161799 / Fraction of flux in stars for chip 4           
FR_GAL4 =           0.00955356 / Fraction of flux in stars for chip 4           
FTOTAL4 =             24094.24 / Total flux in chip 4                           
FR_LOWF =            0.9773308 / Fraction of flux in low frequency for all chips
FR_STARS=          0.001695556 / Fraction of flux in stars for all chips        
FR_GALS =           0.02097363 / Fraction of flux in stars for all chips        
FTOTAL  =             56981.16 / Total flux in all chips                        
IMAG_I  = '$RCSfile$ $Revision$'                                                
EQUINOX =                2000.                                                  
SEXC_I  = '$RCSfile$ $Revision$'                                                
HISTORY   Ran task WMOSAIC, version 2.1 (Jun 1995), at Fri 16:17:34 01-Jul-2005 
END
codecov[bot] commented 2 years ago

Codecov Report

Merging #181 (8f5972c) into master (4591dde) will increase coverage by 0.09%. The diff coverage is 100.00%.

:exclamation: Current head 8f5972c differs from pull request most recent head 8951df9. Consider uploading reports for the commit 8951df9 to get more accurate results Impacted file tree graph

@@            Coverage Diff             @@
##           master     #181      +/-   ##
==========================================
+ Coverage   91.16%   91.25%   +0.09%     
==========================================
  Files           5        5              
  Lines         679      686       +7     
==========================================
+ Hits          619      626       +7     
  Misses         60       60
Impacted Files Coverage Δ
src/header.jl 86.17% <100.00%> (+0.53%) :arrow_up:

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mileslucas commented 2 years ago

Sounds good, request a review when you are ready for comments 👍🏻