l increases to the east (as with RA), so change its values from ascending to descending order with a negative cdelt.
Because the definitions of l and m became horribly confusing (at least for me) there should be a note attr added to both l and m describing how it is defined.
l increases to the east (as with RA), so change its values from ascending to descending order with a negative cdelt. Because the definitions of l and m became horribly confusing (at least for me) there should be a note attr added to both l and m describing how it is defined.