OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0073.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         09:21:30
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.28373
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 51.996468
SKY STANDARD DEVIATION:   18498.4
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.81524 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        424142     1642      -1.5687     0.00967
 2        13       1328960     3291      -2.8087     0.00619
 3        28       2079674     4955      -3.2949     0.00595
 4        50       2511246     6648      -3.4997     0.00661
 5        79       2791772     8378      -3.6147     0.00750
 6       113       3010565     10155      -3.6966     0.00843
 7       154       3144144     11988      -3.7437     0.00953
 8       201       3204747     13884      -3.7644     0.01083
 9       254       3233695     15851      -3.7742     0.01225
 10       314       3253960     17896      -3.7810     0.01374
 11       380       3278625     20025      -3.7892     0.01526
 12       452       3306688     22245      -3.7984     0.01681
 13       531       3326696     24560      -3.8050     0.01845
 14       616       3336379     26976      -3.8081     0.02021
 15       707       3340615     29497      -3.8095     0.02207