OBSERVER:                 Sykes, Chamberlain, Bus
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   reg/b0173.fits
OBSERVATION DATE:         04/27/2007
OBSERVATION TIME:         13:45:25
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.23195
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -539.32382
SKY STANDARD DEVIATION:   6814.15
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  19.9888 sec
FWHM:                     3.91589 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        153660      611      -0.4664     0.00994
 2        13        480377     1223      -1.7039     0.00636
 3        28        763991     1839      -2.2077     0.00601
 4        50        933829     2465      -2.4256     0.00659
 5        79       1039039     3104      -2.5415     0.00746
 6       113       1118579     3761      -2.6216     0.00840
 7       154       1172035     4438      -2.6723     0.00946
 8       201       1203581     5139      -2.7011     0.01067
 9       254       1217849     5866      -2.7139     0.01204
 10       314       1228491     6622      -2.7234     0.01347
 11       380       1236028     7409      -2.7300     0.01498
 12       452       1243352     8230      -2.7364     0.01654
 13       531       1251491     9086      -2.7435     0.01814
 14       616       1254671     9979      -2.7463     0.01988
 15       707       1250917     10911      -2.7430     0.02180