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### Description
To open [this fits image cube](https://www.scidb.cn/en/detail?dataSetId=7fe34782f6ee4284aa22fc68ab8ab6cd), I found that with `naxis=2`, the `NAXIS` of the output still have 3 values
…
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The docs `reproject_exact` (https://reproject.readthedocs.io/en/stable/api/reproject.reproject_exact.html#reproject.reproject_exact) are currently missing an explanation of how the method works, or a …
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I was trying to get a frame from a `HighLevelWCSWrapper` WCS
```python
SlicedLowLevelWCS Transformation
This transformation has 2 pixel and 2 world dimensions
Array shape (Numpy order): (3…
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Using aplpy 2.0.3 and astropy 4.0 I can not show the beam when slicing a cube. See code below for a minimal script showing the problem.
```python
import matplotlib.pyplot as plt
from astropy.uti…
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### Description
When specifying a non-rectangular pixel size for the WCS provided to the `Cutout2D` class, the cutout does not return the expected cutout size and data shape.
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Opening a file with this header:
```
SIMPLE = T / conforms to FITS standard
BITPIX = -64 / array data type
NAXIS = 2 / number of array di…
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#### Problem description
I tried to use the `extra_data` option in `to_fits()` to add some information to the FITS header, but it seems to not do anything.
#### Example
```python
>>> import l…
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- (**Free Trader Beowulf**) suggests that it would be good (indeed, _excellent_) if we provide a table/list of detected anomalies.
- S/he suggests that s/he would be happy with even text file output
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https://docs.google.com/spreadsheets/d/16vNApnGCl1dN--sFhFuTQ5Iqser8RdH8hsEP_-dObog/edit?usp=sharing
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- [x] There has been no addition to the comments at the top of the file indicating what was added to this dictionary and when. These need to be added.
The following definitions are problematic for …