OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0213.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         11:23:09
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20205
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -136.71405
SKY STANDARD DEVIATION:   13710.9
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.88051 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        342517     1219      -1.3367     0.00889
 2        13       1082392     2443      -2.5859     0.00564
 3        28       1695588     3677      -3.0733     0.00542
 4        50       2035200     4931      -3.2715     0.00605
 5        79       2247105     6213      -3.3790     0.00691
 6       113       2417484     7530      -3.4584     0.00778
 7       154       2528896     8888      -3.5073     0.00878
 8       201       2581264     10293      -3.5295     0.00996
 9       254       2605280     11751      -3.5396     0.01127
 10       314       2621040     13266      -3.5461     0.01265
 11       380       2635662     14844      -3.5522     0.01408
 12       452       2648497     16489      -3.5575     0.01556
 13       531       2654072     18205      -3.5597     0.01714
 14       616       2652421     19995      -3.5591     0.01884
 15       707       2648598     21864      -3.5575     0.02063