OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0039.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         08:46:47
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.38248
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -30.251139
SKY STANDARD DEVIATION:   15687.3
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.00753 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        369780     1393      -1.4198     0.00942
 2        13       1182450     2793      -2.6819     0.00590
 3        28       1906600     4205      -3.2006     0.00551
 4        50       2361697     5640      -3.4330     0.00597
 5        79       2662768     7107      -3.5633     0.00667
 6       113       2894027     8614      -3.6537     0.00744
 7       154       3045698     10168      -3.7092     0.00834
 8       201       3124327     11776      -3.7368     0.00942
 9       254       3164571     13444      -3.7507     0.01062
 10       314       3191118     15178      -3.7598     0.01189
 11       380       3216352     16983      -3.7684     0.01320
 12       452       3241462     18866      -3.7768     0.01455
 13       531       3258839     20829      -3.7826     0.01597
 14       616       3268295     22877      -3.7858     0.01749
 15       707       3276535     25015      -3.7885     0.01908