Breakdown of Observations by Spitzer (née SIRTF)
This page tabulates the number of observations by instrument along the Solar System/non-Solar System axis and along the Legacy/non-Legacy axis. (Compiled from observations thru 2009-05-15.)

Instr all AORs all Leg AORs all non-Leg AORs non-SS AORs SS AORs
MIPS 15842 1115 14727 14260 1582
IRS 17362 795 16567 16459 903
IRAC 12176 1643 10533 11694 482
all 3 45380 3553 41827 42413 2967


Instr all time (h) all Leg time (h) all non-Leg time (h) non-SS time (h) SS time (h)
MIPS 11722.49 1071.92 10650.56 10633.61 1088.87
IRS 14798.34 560.49 14237.85 14167.82 630.52
IRAC 9726.93 1586.87 8140.07 9509.60 217.33
all 3 36247.76 3219.28 33028.48 34311.04 1936.72