OBSERVER:                 Sykes, Chamberlain, Bus
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   reg/b0063.fits
OBSERVATION DATE:         04/27/2007
OBSERVATION TIME:         11:57:09
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.25259
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -815.05418
SKY STANDARD DEVIATION:   8014.39
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  19.9888 sec
FWHM:                     4.32627 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        130894      716      -0.2923     0.01367
 2        13        430171     1434      -1.5841     0.00833
 3        28        721745     2159      -2.1459     0.00747
 4        50        915921     2896      -2.4046     0.00790
 5        79       1037848     3648      -2.5403     0.00878
 6       113       1119425     4421      -2.6224     0.00987
 7       154       1171960     5217      -2.6722     0.01112
 8       201       1201562     6042      -2.6993     0.01257
 9       254       1219183     6897      -2.7151     0.01414
 10       314       1231438     7787      -2.7260     0.01580
 11       380       1242176     8713      -2.7354     0.01753
 12       452       1252878     9678      -2.7447     0.01931
 13       531       1259329     10685      -2.7503     0.02121
 14       616       1260348     11736      -2.7512     0.02327
 15       707       1260822     12832      -2.7516     0.02544