OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0069.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         09:01:37
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.35185
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 590.07217
SKY STANDARD DEVIATION:   13327.8
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.0624 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        342350     1185      -1.3361     0.00865
 2        13       1100173     2375      -2.6036     0.00539
 3        28       1791661     3575      -3.1331     0.00498
 4        50       2262965     4795      -3.3866     0.00529
 5        79       2609519     6041      -3.5414     0.00578
 6       113       2884993     7321      -3.6503     0.00634
 7       154       3074814     8641      -3.7195     0.00702
 8       201       3194227     10007      -3.7609     0.00783
 9       254       3272218     11424      -3.7871     0.00872
 10       314       3320072     12897      -3.8028     0.00971
 11       380       3350362     14431      -3.8127     0.01076
 12       452       3374811     16030      -3.8206     0.01187
 13       531       3393829     17697      -3.8267     0.01303
 14       616       3408307     19438      -3.8313     0.01425
 15       707       3421448     21254      -3.8355     0.01552