OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0170.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         10:56:34
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20471
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 113.49623
SKY STANDARD DEVIATION:   1202.71
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  4.1104 sec
FWHM:                     5.23708 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        186069      561      -0.6741     0.00753
 2        13        630601     1113      -1.9993     0.00441
 3        28       1124597     1655      -2.6274     0.00367
 4        50       1562297     2196      -2.9844     0.00351
 5        79       1937512     2744      -3.2181     0.00354
 6       113       2256024     3306      -3.3833     0.00366
 7       154       2520189     3883      -3.5035     0.00385
 8       201       2737022     4481      -3.5932     0.00409
 9       254       2906592     5100      -3.6584     0.00438
 10       314       3027928     5744      -3.7028     0.00474
 11       380       3109400     6415      -3.7316     0.00515
 12       452       3163868     7115      -3.7505     0.00562
 13       531       3201505     7845      -3.7633     0.00612
 14       616       3229585     8608      -3.7728     0.00666
 15       707       3250956     9405      -3.7800     0.00723