OBSERVER:                 Sykes, Chamberlain, Bus
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   reg/b0108.fits
OBSERVATION DATE:         04/27/2007
OBSERVATION TIME:         12:44:21
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20615
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -365.14668
SKY STANDARD DEVIATION:   5919.87
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  19.9888 sec
FWHM:                     4.34568 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        118654      531      -0.1857     0.01118
 2        13        388977     1063      -1.4748     0.00683
 3        28        656643     1599      -2.0433     0.00608
 4        50        845295     2143      -2.3175     0.00633
 5        79        961712     2698      -2.4576     0.00701
 6       113       1039352     3269      -2.5419     0.00786
 7       154       1091718     3857      -2.5952     0.00883
 8       201       1123003     4466      -2.6259     0.00994
 9       254       1139037     5097      -2.6413     0.01118
 10       314       1146540     5754      -2.6484     0.01254
 11       380       1153511     6437      -2.6550     0.01395
 12       452       1162807     7150      -2.6637     0.01537
 13       531       1174055     7894      -2.6742     0.01680
 14       616       1179697     8670      -2.6794     0.01837
 15       707       1181179     9480      -2.6807     0.02006