OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0054.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         09:02:18
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.33232
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -25.682842
SKY STANDARD DEVIATION:   16886.9
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.74892 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        430226     1500      -1.5842     0.00871
 2        13       1341872     3006      -2.8192     0.00560
 3        28       2081893     4526      -3.2961     0.00543
 4        50       2490497     6070      -3.4907     0.00609
 5        79       2756404     7650      -3.6008     0.00693
 6       113       2973728     9272      -3.6832     0.00779
 7       154       3109023     10945      -3.7315     0.00880
 8       201       3167737     12676      -3.7518     0.01000
 9       254       3195216     14471      -3.7612     0.01132
 10       314       3216659     16338      -3.7685     0.01269
 11       380       3241035     18282      -3.7767     0.01410
 12       452       3266309     20308      -3.7851     0.01554
 13       531       3283680     22421      -3.7909     0.01707
 14       616       3292005     24626      -3.7936     0.01870
 15       707       3297513     26928      -3.7954     0.02041