OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0290.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         12:52:33
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.2976
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 11.219473
SKY STANDARD DEVIATION:   15174.7
SKY SKEW:                 0.0330992
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.75876 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        395123     1349      -1.4918     0.00853
 2        13       1230921     2702      -2.7255     0.00548
 3        28       1905421     4068      -3.1999     0.00533
 4        50       2275699     5456      -3.3927     0.00599
 5        79       2526107     6875      -3.5061     0.00680
 6       113       2741532     8333      -3.5949     0.00759
 7       154       2884990     9836      -3.6503     0.00852
 8       201       2957530     11391      -3.6773     0.00962
 9       254       2998746     13005      -3.6923     0.01084
 10       314       3027137     14682      -3.7025     0.01212
 11       380       3050580     16429      -3.7109     0.01346
 12       452       3073302     18249      -3.7190     0.01484
 13       531       3091298     20148      -3.7253     0.01629
 14       616       3102698     22130      -3.7293     0.01783
 15       707       3111226     24198      -3.7323     0.01944