OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0174.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         11:01:05
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20628
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -648.70213
SKY STANDARD DEVIATION:   2373.73
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  4.1104 sec
FWHM:                     4.09499 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        333003     1063      -1.3061     0.00798
 2        13       1077397     2118      -2.5809     0.00491
 3        28       1737656     3166      -3.0999     0.00455
 4        50       2159515     4222      -3.3358     0.00488
 5        79       2463903     5301      -3.4790     0.00537
 6       113       2722601     6410      -3.5874     0.00588
 7       154       2911631     7554      -3.6603     0.00648
 8       201       3027970     8738      -3.7028     0.00721
 9       254       3099425     9966      -3.7282     0.00803
 10       314       3142233     11244      -3.7431     0.00894
 11       380       3162838     12575      -3.7501     0.00993
 12       452       3169293     13962      -3.7524     0.01101
 13       531       3166074     15411      -3.7513     0.01216
 14       616       3155680     16922      -3.7477     0.01340
 15       707       3141363     18500      -3.7428     0.01472