OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0180.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         11:07:51
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.2096
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -377.09680
SKY STANDARD DEVIATION:   13156.5
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.91886 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        348517     1171      -1.3555     0.00839
 2        13       1101171     2345      -2.6046     0.00532
 3        28       1763959     3529      -3.1162     0.00500
 4        50       2188809     4733      -3.3505     0.00540
 5        79       2498681     5963      -3.4942     0.00596
 6       113       2757705     7227      -3.6013     0.00655
 7       154       2939916     8530      -3.6708     0.00725
 8       201       3050867     9878      -3.7110     0.00809
 9       254       3122503     11277      -3.7362     0.00902
 10       314       3167886     12731      -3.7519     0.01004
 11       380       3195565     14245      -3.7613     0.01114
 12       452       3214375     15824      -3.7677     0.01230
 13       531       3226015     17470      -3.7716     0.01353
 14       616       3230860     19188      -3.7733     0.01484
 15       707       3231282     20981      -3.7734     0.01623