IRS-4, aor=3822080, aor=3823616,
aor=3823872, aor=3826688
-- The program has complex scenes that PU has trouble with. PU selected positions
far from the requested RA,Dec. Observer needs to check if this was as planned.
IRS-4, aor=4410880 -- No source in PU field.
Science lost.
IRS-4, aor=4412416 -- No source in PU field.
Science lost.