OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0083.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         09:18:38
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.30376
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -670.41172
SKY STANDARD DEVIATION:   14475.8
SKY SKEW:                 0.106234
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.15592 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        335879     1286      -1.3154     0.00957
 2        13       1090844     2578      -2.5944     0.00590
 3        28       1795312     3881      -3.1353     0.00540
 4        50       2270937     5206      -3.3905     0.00573
 5        79       2603982     6560      -3.5391     0.00629
 6       113       2870508     7950      -3.6449     0.00692
 7       154       3062167     9384      -3.7150     0.00766
 8       201       3179665     10868      -3.7559     0.00854
 9       254       3253746     12407      -3.7809     0.00953
 10       314       3308417     14007      -3.7990     0.01058
 11       380       3349349     15673      -3.8124     0.01169
 12       452       3382116     17410      -3.8229     0.01286
 13       531       3410666     19221      -3.8321     0.01408
 14       616       3433218     21111      -3.8392     0.01537
 15       707       3453553     23084      -3.8456     0.01671