OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0052.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         08:37:24
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.39926
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 226.33350
SKY STANDARD DEVIATION:   10697.3
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.49815 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        264811      953      -1.0573     0.00899
 2        13        882901     1909      -2.3647     0.00540
 3        28       1504458     2873      -2.9434     0.00477
 4        50       1980230     3852      -3.2417     0.00486
 5        79       2345006     4852      -3.4253     0.00517
 6       113       2634503     5880      -3.5517     0.00557
 7       154       2847814     6939      -3.6362     0.00609
 8       201       2994794     8035      -3.6909     0.00670
 9       254       3095947     9172      -3.7269     0.00740
 10       314       3162126     10354      -3.7499     0.00818
 11       380       3201697     11585      -3.7634     0.00904
 12       452       3225488     12868      -3.7714     0.00997
 13       531       3240128     14206      -3.7764     0.01096
 14       616       3248451     15603      -3.7791     0.01200
 15       707       3252316     17061      -3.7804     0.01311