OBSERVER:                 Sykes, Chamberlain, Bus
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   reg/b0082.fits
OBSERVATION DATE:         04/27/2007
OBSERVATION TIME:         12:14:19
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.2286
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -1406.4283
SKY STANDARD DEVIATION:   12974.2
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  19.9888 sec
FWHM:                     3.87358 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        319557     1159      -1.2613     0.00906
 2        13       1003684     2321      -2.5039     0.00578
 3        28       1574845     3493      -2.9931     0.00554
 4        50       1895639     4685      -3.1943     0.00617
 5        79       2095264     5903      -3.3031     0.00704
 6       113       2250939     7154      -3.3809     0.00794
 7       154       2348988     8444      -3.4272     0.00898
 8       201       2392751     9779      -3.4472     0.01021
 9       254       2411118     11164      -3.4555     0.01157
 10       314       2422691     12604      -3.4607     0.01300
 11       380       2435518     14103      -3.4664     0.01447
 12       452       2449354     15666      -3.4726     0.01598
 13       531       2457266     17296      -3.4761     0.01759
 14       616       2456572     18997      -3.4758     0.01933
 15       707       2450130     20772      -3.4729     0.02119