OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0087.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         09:35:58
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.25564
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -776.30767
SKY STANDARD DEVIATION:   17622.8
SKY SKEW:                 0.107251
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.95653 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        396101     1564      -1.4945     0.00987
 2        13       1260575     3135      -2.7514     0.00621
 3        28       2016460     4722      -3.2614     0.00585
 4        50       2485330     6334      -3.4884     0.00637
 5        79       2795015     7982      -3.6159     0.00713
 6       113       3025227     9675      -3.7018     0.00799
 7       154       3167849     11421      -3.7519     0.00901
 8       201       3241139     13228      -3.7767     0.01020
 9       254       3283167     15102      -3.7907     0.01149
 10       314       3315396     17050      -3.8013     0.01285
 11       380       3352554     19078      -3.8134     0.01422
 12       452       3394580     21192      -3.8269     0.01560
 13       531       3428941     23398      -3.8379     0.01705
 14       616       3453599     25699      -3.8456     0.01860
 15       707       3472607     28101      -3.8516     0.02023