OBSERVER:                 Sykes, Chamberlain, Bus
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   reg/b0186.fits
OBSERVATION DATE:         04/27/2007
OBSERVATION TIME:         13:58:37
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.2507
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 121.38549
SKY STANDARD DEVIATION:   10501.4
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  19.9888 sec
FWHM:                     4.00765 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        308455      940      -1.2229     0.00762
 2        13        987223     1883      -2.4860     0.00476
 3        28       1578613     2832      -2.9956     0.00448
 4        50       1929455     3796      -3.2135     0.00491
 5        79       2142517     4782      -3.3273     0.00557
 6       113       2297221     5794      -3.4030     0.00630
 7       154       2397597     6838      -3.4494     0.00713
 8       201       2445986     7918      -3.4711     0.00809
 9       254       2468422     9039      -3.4810     0.00915
 10       314       2484836     10204      -3.4882     0.01026
 11       380       2501921     11417      -3.4956     0.01140
 12       452       2519829     12682      -3.5034     0.01258
 13       531       2532398     14001      -3.5088     0.01382
 14       616       2536624     15378      -3.5106     0.01515
 15       707       2535410     16815      -3.5101     0.01657