subtract_extensions¶
- sofia_redux.instruments.fifi_ls.subtract_chops.subtract_extensions(hdul0, hdul1, add_only=False)[source]¶
Subtract extensions in the correct order.
- Parameters:
- hdul0fits.HDUList
HDU list containing chop 0 extensions
- hdul1fits.HDUList
HDU list containing chop 1 extensions
- add_onlybool, optional
If True, chop files will be added rather than subtracted. This is intended to be used for flat files only.
- Returns:
- fits.HDUList