OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0254.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         12:36:54
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.37985
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -30.979684
SKY STANDARD DEVIATION:   12188.1
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.77008 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        384701     1086      -1.4628     0.00705
 2        13       1208779     2175      -2.7058     0.00449
 3        28       1881618     3272      -3.1863     0.00434
 4        50       2286140     4387      -3.3977     0.00479
 5        79       2590993     5526      -3.5336     0.00533
 6       113       2852104     6697      -3.6379     0.00587
 7       154       3027886     7904      -3.7028     0.00652
 8       201       3129424     9153      -3.7386     0.00731
 9       254       3197582     10448      -3.7620     0.00816
 10       314       3244733     11795      -3.7779     0.00908
 11       380       3274704     13198      -3.7879     0.01007
 12       452       3295002     14660      -3.7946     0.01112
 13       531       3307880     16185      -3.7988     0.01223
 14       616       3314851     17776      -3.8011     0.01340
 15       707       3319146     19437      -3.8025     0.01464