OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0164.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         11:05:11
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.21213
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -440.07989
SKY STANDARD DEVIATION:   16839.6
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.7257 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        422938     1496      -1.5656     0.00884
 2        13       1313793     2997      -2.7963     0.00570
 3        28       2035186     4513      -3.2715     0.00554
 4        50       2432283     6053      -3.4650     0.00622
 5        79       2692363     7628      -3.5753     0.00708
 6       113       2909373     9246      -3.6595     0.00794
 7       154       3046559     10914      -3.7095     0.00895
 8       201       3105016     12640      -3.7301     0.01017
 9       254       3127102     14431      -3.7378     0.01153
 10       314       3141203     16292      -3.7427     0.01296
 11       380       3161730     18230      -3.7498     0.01441
 12       452       3187188     20251      -3.7585     0.01588
 13       531       3204976     22358      -3.7645     0.01744
 14       616       3212378     24557      -3.7670     0.01911
 15       707       3214849     26852      -3.7679     0.02088