OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0055.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         08:40:06
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.38917
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -606.48825
SKY STANDARD DEVIATION:   13207.5
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.35713 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        300384     1174      -1.1941     0.00977
 2        13        984985     2353      -2.4835     0.00597
 3        28       1655362     3542      -3.0472     0.00534
 4        50       2147146     4751      -3.3296     0.00553
 5        79       2510882     5986      -3.4995     0.00596
 6       113       2789937     7255      -3.6139     0.00650
 7       154       2984680     8563      -3.6872     0.00717
 8       201       3110828     9917      -3.7321     0.00796
 9       254       3191552     11321      -3.76     0.00886
 10       314       3239387     12781      -3.7761     0.00986
 11       380       3265589     14301      -3.7849     0.01094
 12       452       3282146     15885      -3.7904     0.01209
 13       531       3292790     17538      -3.7939     0.01331
 14       616       3298357     19262      -3.7957     0.01459
 15       707       3299717     21062      -3.7961     0.01595