OBSERVER:                 Sykes, Chamberlain, Bus
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   reg/b0146.fits
OBSERVATION DATE:         04/27/2007
OBSERVATION TIME:         13:19:51
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20942
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -259.73008
SKY STANDARD DEVIATION:   11316.5
SKY SKEW:                 0.000590813
TOTAL INTEGRATION TIME:  19.9888 sec
FWHM:                     4.0441 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        285027     1012      -1.1372     0.00887
 2        13        910196     2026      -2.3978     0.00556
 3        28       1462715     3049      -2.9129     0.00521
 4        50       1807264     4088      -3.1425     0.00565
 5        79       2018600     5151      -3.2626     0.00637
 6       113       2171836     6242      -3.3420     0.00718
 7       154       2278153     7367      -3.3939     0.00808
 8       201       2336685     8531      -3.4215     0.00912
 9       254       2365963     9739      -3.4350     0.01029
 10       314       2385694     10995      -3.4440     0.01152
 11       380       2404611     12302      -3.4526     0.01279
 12       452       2422450     13665      -3.4606     0.01410
 13       531       2433954     15087      -3.4657     0.01549
 14       616       2438433     16571      -3.4677     0.01698
 15       707       2438852     18119      -3.4679     0.01857