OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0114.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         09:55:15
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.23501
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 434.24562
SKY STANDARD DEVIATION:   17449.9
SKY SKEW:                 0.0156045
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.88453 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        416592     1549      -1.5492     0.00929
 2        13       1317689     3105      -2.7995     0.00589
 3        28       2074323     4676      -3.2921     0.00563
 4        50       2505135     6272      -3.4970     0.00625
 5        79       2783368     7904      -3.6114     0.00709
 6       113       3017928     9581      -3.6992     0.00793
 7       154       3180941     11309      -3.7563     0.00888
 8       201       3267618     13098      -3.7855     0.01002
 9       254       3316741     14954      -3.8017     0.01127
 10       314       3353003     16882      -3.8135     0.01258
 11       380       3387674     18891      -3.8247     0.01394
 12       452       3422319     20985      -3.8358     0.01532
 13       531       3449330     23169      -3.8443     0.01679
 14       616       3465477     25447      -3.8494     0.01835
 15       707       3475330     27825      -3.8524     0.02001