OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0194.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         11:24:04
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.23584
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -319.52531
SKY STANDARD DEVIATION:   16288.4
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.74559 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        411383     1447      -1.5356     0.00879
 2        13       1280307     2900      -2.7682     0.00566
 3        28       1985692     4366      -3.2447     0.00549
 4        50       2383257     5855      -3.4429     0.00614
 5        79       2654237     7379      -3.5598     0.00694
 6       113       2880375     8944      -3.6486     0.00776
 7       154       3024799     10557      -3.7017     0.00872
 8       201       3094581     12227      -3.7265     0.00987
 9       254       3128624     13959      -3.7383     0.01115
 10       314       3147386     15759      -3.7448     0.01251
 11       380       3165302     17634      -3.7510     0.01392
 12       452       3186057     19588      -3.7581     0.01537
 13       531       3201031     21627      -3.7632     0.01689
 14       616       3207974     23754      -3.7655     0.01851
 15       707       3210833     25973      -3.7665     0.02022