OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0041.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         08:22:21
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.46258
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 70.249326
SKY STANDARD DEVIATION:   13284.4
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.04961 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        311459     1181      -1.2335     0.00947
 2        13        998446     2366      -2.4983     0.00592
 3        28       1633726     3563      -3.0329     0.00545
 4        50       2091645     4778      -3.3012     0.00571
 5        79       2442137     6021      -3.4694     0.00616
 6       113       2722324     7297      -3.5873     0.00670
 7       154       2920251     8613      -3.6635     0.00737
 8       201       3053365     9974      -3.7119     0.00816
 9       254       3144421     11387      -3.7438     0.00905
 10       314       3200156     12855      -3.7629     0.01004
 11       380       3231982     14384      -3.7736     0.01112
 12       452       3253992     15977      -3.7810     0.01227
 13       531       3270763     17640      -3.7866     0.01348
 14       616       3283559     19374      -3.7908     0.01475
 15       707       3294441     21185      -3.7944     0.01607