OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0051.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         08:36:31
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.40264
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -3173.9828
SKY STANDARD DEVIATION:   15803.6
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.14351 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        315472     1403      -1.2474     0.01111
 2        13       1024468     2812      -2.5262     0.00686
 3        28       1686761     4235      -3.0676     0.00627
 4        50       2163237     5681      -3.3377     0.00656
 5        79       2523361     7159      -3.5049     0.00709
 6       113       2806197     8678      -3.6203     0.00773
 7       154       3002364     10243      -3.6936     0.00852
 8       201       3129437     11863      -3.7386     0.00947
 9       254       3212652     13544      -3.7671     0.01053
 10       314       3262923     15291      -3.7840     0.01171
 11       380       3292863     17109      -3.7939     0.01298
 12       452       3313578     19005      -3.8007     0.01433
 13       531       3328109     20983      -3.8054     0.01576
 14       616       3337186     23047      -3.8084     0.01726
 15       707       3342333     25201      -3.8101     0.01884