files,s,h,"",,,List of files containing observation data
images,s,h,"",,,List of images containing observation data
header,b,h,yes,,,Print header?
input,b,h,no,,,Print input data?
imupdate,b,h,no,,,"Update image header with corrections?
"

epoch,r,h,INDEF,,,Epoch of observation coordinates (years)
observatory,s,h,)_.observatory,,,Observatory
vsun,r,h,20.,,,Solar velocity (km/s)
ra_vsun,r,h,18.,0.,24.,Right ascension of solar velocity (hours)
dec_vsun,r,h,30.,-90.,90.,Declination of solar velocity (degrees)
epoch_vsun,r,h,1900.,,,"Epoch of solar coordinates (years)
"

year,i,h,,,,Year of observation
month,i,h,,1,12,Month of observation (1-12)
day,i,h,,1,31,Day of observation
ut,r,h,,0.,24.,UT of observation (hours)
ra,r,h,,0.,24.,Right ascension of observation (hours)
dec,r,h,,-90.,90.,Declination of observation (degrees)
vobs,r,h,0.,,,"Observed radial velocity"

hjd,r,h,,,,Helocentric Julian Day (output)
vhelio,r,h,,,,Helocentric radial velocity (km/s) (output)
vlsr,r,h,,,,Local standard or rest radial velocity (km/s) (output)