OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0097.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         08:19:12
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.85407
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 68.518303
SKY STANDARD DEVIATION:   9780.8
SKY SKEW:                 0.0462957
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.77623 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        322304      874      -1.2706     0.00677
 2        13       1009866     1749      -2.5106     0.00432
 3        28       1594807     2630      -3.0067     0.00412
 4        50       1981786     3524      -3.2426     0.00444
 5        79       2292533     4438      -3.4007     0.00483
 6       113       2550755     5377      -3.5166     0.00527
 7       154       2726800     6346      -3.5891     0.00581
 8       201       2841423     7348      -3.6338     0.00646
 9       254       2924300     8387      -3.6650     0.00717
 10       314       2975907     9468      -3.6840     0.00795
 11       380       3003948     10593      -3.6942     0.00881
 12       452       3023022     11766      -3.7011     0.00973
 13       531       3038225     12990      -3.7065     0.01068
 14       616       3052521     14267      -3.7116     0.01168
 15       707       3066314     15599      -3.7165     0.01271