OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0027.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         08:34:05
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.43207
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -322.93135
SKY STANDARD DEVIATION:   17190.9
SKY SKEW:                 0.0797872
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.86558 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        392457     1526      -1.4844     0.00972
 2        13       1235600     3059      -2.7297     0.00618
 3        28       1952919     4606      -3.2267     0.00589
 4        50       2388382     6179      -3.4452     0.00646
 5        79       2687125     7787      -3.5732     0.00724
 6       113       2921482     9438      -3.6640     0.00807
 7       154       3071146     11142      -3.7182     0.00906
 8       201       3149339     12904      -3.7455     0.01024
 9       254       3194731     14732      -3.7610     0.01152
 10       314       3230071     16632      -3.7730     0.01287
 11       380       3264915     18611      -3.7846     0.01425
 12       452       3299601     20673      -3.7961     0.01566
 13       531       3328171     22825      -3.8055     0.01714
 14       616       3348570     25070      -3.8121     0.01871
 15       707       3364992     27412      -3.8174     0.02036