Derive basic header information from a FITS headers.
% basic_fits_info --help
Usage: basic_fits_info a.fits
arg1 - Name of FITS image
Additional options:
-v = print verbose comments
--help = view a help document
% basic_fits_info /home/sco/AUTO_match_for_wcs/S/20191018T024545.3_acm_sci.fits
___ i` 19:22:53.458 +53:19:26.81 321.27509 295.624445 4 (object,filter,ra,dec,az,parang,exptime)
% basic_fits_info /home/sco/AUTO_match_for_wcs/S/Rsco2043.fits
NGC3379_V V 10:47:49.900 +12:34:57.00 None None 600.00 (object,filter,ra,dec,az,parang,exptime)
Note that because the acm images do not have sexigecimal positions written to the
RA and DEC header cards, the xy2sky utility is use to predict the RA,DEC of the image center.
Otherwise, the RA,DEC cards are converted directly to seigecimal strings.