OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0175.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         11:02:24
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20683
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -82.106602
SKY STANDARD DEVIATION:   2399.34
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  4.1104 sec
FWHM:                     3.83812 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        366007     1078      -1.4087     0.00736
 2        13       1149626     2144      -2.6513     0.00466
 3        28       1818396     3201      -3.1492     0.00440
 4        50       2244311     4268      -3.3777     0.00475
 5        79       2567287     5359      -3.5236     0.00521
 6       113       2835480     6480      -3.6315     0.00571
 7       154       3014647     7636      -3.6980     0.00633
 8       201       3121140     8832      -3.7357     0.00707
 9       254       3190135     10074      -3.7595     0.00789
 10       314       3231819     11365      -3.7736     0.00879
 11       380       3254463     12710      -3.7812     0.00976
 12       452       3268305     14113      -3.7858     0.01079
 13       531       3276129     15577      -3.7884     0.01188
 14       616       3279187     17105      -3.7894     0.01304
 15       707       3279291     18700      -3.7894     0.01425