Header keyword collision: `CDELT1` and `CD1_1` etc.

cylammarco / ASPIRED

Automated SpectroPhotometric Image REDuction (ASPIRED)

https://aspired.readthedocs.io/en/latest/

BSD 3-Clause "New" or "Revised" License

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Header keyword collision: `CDELT1` and `CD1_1` etc. #96

Open cylammarco opened 2 years ago

cylammarco commented 2 years ago

When some spectral images carry the WCS from the acquisition image, with CD1_1 taking priority over CRDELT1, displaying the spectrum with some well-established software may lead to a wrong set of wavelengths being interpreted.