OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0187.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         11:29:12
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.23579
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 102.82741
SKY STANDARD DEVIATION:   18061.8
SKY SKEW:                 0.0369853
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.85111 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        425588     1603      -1.5724     0.00941
 2        13       1341305     3213      -2.8188     0.00598
 3        28       2095114     4839      -3.3030     0.00577
 4        50       2497293     6491      -3.4936     0.00649
 5        79       2756520     8181      -3.6009     0.00741
 6       113       2977791     9916      -3.6847     0.00832
 7       154       3127657     11705      -3.7380     0.00935
 8       201       3198992     13557      -3.7625     0.01059
 9       254       3233190     15477      -3.7740     0.01196
 10       314       3260616     17474      -3.7832     0.01339
 11       380       3291198     19553      -3.7933     0.01485
 12       452       3321881     21720      -3.8034     0.01634
 13       531       3343809     23981      -3.8106     0.01792
 14       616       3354798     26339      -3.8141     0.01962
 15       707       3360043     28801      -3.8158     0.02142