OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0108.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         08:31:05
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.74444
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -95.471576
SKY STANDARD DEVIATION:   13539.6
SKY SKEW:                 -2.09915e-18
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.90636 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        346724     1204      -1.3499     0.00868
 2        13       1096685     2412      -2.6002     0.00549
 3        28       1741341     3631      -3.1022     0.00521
 4        50       2140971     4870      -3.3265     0.00568
 5        79       2421095     6136      -3.4600     0.00633
 6       113       2645622     7437      -3.5563     0.00702
 7       154       2795146     8778      -3.6160     0.00785
 8       201       2880177     10165      -3.6485     0.00882
 9       254       2932268     11605      -3.6680     0.00989
 10       314       2964172     13101      -3.6797     0.01104
 11       380       2985605     14659      -3.6875     0.01227
 12       452       3003505     16284      -3.6940     0.01355
 13       531       3015858     17978      -3.6985     0.01490
 14       616       3023401     19746      -3.7012     0.01632
 15       707       3028005     21591      -3.7028     0.01782