iraf_files,s,q,,,,Images to be written
refim,s,q,,,,Reference image to get date and time from
ref,b,h,no,,,Find the date and time in a reference image
x,i,h,10,,,X position of text in image
y,i,h,10,,,Y position of text in image
xmag,i,h,2,,,Text magnification factor in x direction
ymag,i,h,2,,,Text magnification factor in y direction
val,i,h,-10000,,,Value to use to write text in images
setbgnd,b,h,yes,,,Set the pixels in the image behind the text
bgndval,i,h,10000,,,Value to use in background of text
date,b,h,yes,,,Write the date into the images
time,b,h,yes,,,Write the time into the images
text,s,q,,,,Text string to write into image