OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0271.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         12:31:14
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.25381
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 335.16695
SKY STANDARD DEVIATION:   12754.2
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.76357 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        341185     1135      -1.3324     0.00831
 2        13       1062130     2273      -2.5654     0.00535
 3        28       1645369     3421      -3.0406     0.00519
 4        50       1969410     4588      -3.2358     0.00582
 5        79       2186177     5780      -3.3492     0.00660
 6       113       2364482     7005      -3.4343     0.00740
 7       154       2476794     8268      -3.4847     0.00834
 8       201       2530348     9575      -3.5079     0.00946
 9       254       2558350     10931      -3.5199     0.01068
 10       314       2576492     12341      -3.5275     0.01197
 11       380       2594758     13809      -3.5352     0.01330
 12       452       2614454     15339      -3.5434     0.01466
 13       531       2628221     16935      -3.5491     0.01610
 14       616       2635917     18601      -3.5523     0.01764
 15       707       2641596     20339      -3.5546     0.01924