OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0259.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         12:43:59
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.45303
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 79.726912
SKY STANDARD DEVIATION:   13995.4
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.02596 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        344914     1244      -1.3442     0.00901
 2        13       1100397     2493      -2.6038     0.00566
 3        28       1791547     3753      -3.1330     0.00523
 4        50       2265134     5034      -3.3877     0.00555
 5        79       2609963     6343      -3.5415     0.00607
 6       113       2878191     7687      -3.6478     0.00667
 7       154       3058127     9073      -3.7136     0.00741
 8       201       3166793     10508      -3.7515     0.00829
 9       254       3233326     11996      -3.7741     0.00927
 10       314       3273051     13542      -3.7873     0.01034
 11       380       3299573     15153      -3.7961     0.01148
 12       452       3322891     16832      -3.8037     0.01266
 13       531       3341904     18583      -3.8099     0.01390
 14       616       3354504     20411      -3.8140     0.01521
 15       707       3362820     22318      -3.8167     0.01659