OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0206.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         11:42:01
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.24502
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -615.07076
SKY STANDARD DEVIATION:   16634.6
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.9154 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        373976     1477      -1.4321     0.00987
 2        13       1184363     2960      -2.6837     0.00624
 3        28       1873282     4457      -3.1815     0.00594
 4        50       2276720     5979      -3.3932     0.00656
 5        79       2542082     7535      -3.5129     0.00741
 6       113       2761748     9133      -3.6029     0.00826
 7       154       2911138     10781      -3.6601     0.00925
 8       201       2983913     12486      -3.6869     0.01046
 9       254       3019193     14255      -3.6997     0.01180
 10       314       3044291     16094      -3.7087     0.01321
 11       380       3066173     18008      -3.7164     0.01468
 12       452       3082344     20004      -3.7222     0.01622
 13       531       3091165     22086      -3.7253     0.01786
 14       616       3095348     24258      -3.7267     0.01959
 15       707       3096831     26525      -3.7272     0.02141