OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0143.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         10:41:31
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20362
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -145.01664
SKY STANDARD DEVIATION:   14659.4
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.87986 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        403963     1304      -1.5158     0.00806
 2        13       1277642     2612      -2.7660     0.00511
 3        28       2013451     3932      -3.2598     0.00488
 4        50       2436916     5272      -3.4671     0.00540
 5        79       2720587     6643      -3.5866     0.00610
 6       113       2942695     8051      -3.6718     0.00683
 7       154       3080093     9503      -3.7214     0.00771
 8       201       3146274     11005      -3.7444     0.00874
 9       254       3181235     12564      -3.7564     0.00987
 10       314       3207001     14184      -3.7652     0.01105
 11       380       3234407     15871      -3.7744     0.01226
 12       452       3262837     17630      -3.7839     0.01350
 13       531       3282516     19465      -3.7905     0.01482
 14       616       3291161     21379      -3.7933     0.01623
 15       707       3293503     23377      -3.7941     0.01774