OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0045.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         08:52:15
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.36359
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 406.47426
SKY STANDARD DEVIATION:   14738.7
SKY SKEW:                 0.00778773
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.80118 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        416002     1311      -1.5477     0.00787
 2        13       1300203     2626      -2.7850     0.00504
 3        28       2027250     3953      -3.2672     0.00487
 4        50       2436487     5301      -3.4669     0.00543
 5        79       2704366     6679      -3.5801     0.00617
 6       113       2924440     8094      -3.6651     0.00691
 7       154       3066867     9554      -3.7167     0.00778
 8       201       3133729     11065      -3.7401     0.00882
 9       254       3166117     12632      -3.7513     0.00997
 10       314       3188916     14261      -3.7591     0.01118
 11       380       3213798     15957      -3.7675     0.01241
 12       452       3241489     17725      -3.7768     0.01367
 13       531       3261696     19570      -3.7836     0.01499
 14       616       3272171     21494      -3.7870     0.01642
 15       707       3278747     23503      -3.7892     0.01792