OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0147.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         10:31:34
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20536
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -586.65052
SKY STANDARD DEVIATION:   18245.5
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.87032 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        413551     1619      -1.5413     0.00978
 2        13       1301448     3246      -2.7860     0.00623
 3        28       2045226     4888      -3.2768     0.00597
 4        50       2474127     6557      -3.4835     0.00662
 5        79       2753065     8264      -3.5995     0.00750
 6       113       2969527     10017      -3.6817     0.00843
 7       154       3103572     11824      -3.7296     0.00952
 8       201       3165164     13694      -3.7509     0.01081
 9       254       3193753     15635      -3.7607     0.01223
 10       314       3214302     17652      -3.7677     0.01372
 11       380       3235240     19752      -3.7747     0.01526
 12       452       3256166     21941      -3.7817     0.01684
 13       531       3269969     24224      -3.7863     0.01852
 14       616       3273241     26607      -3.7874     0.02032
 15       707       3270918     29093      -3.7866     0.02223