OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0042.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         08:49:27
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.37309
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -370.97714
SKY STANDARD DEVIATION:   16601.9
SKY SKEW:                 0.07923
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.91969 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        379653     1474      -1.4484     0.00970
 2        13       1205400     2954      -2.7028     0.00612
 3        28       1917480     4449      -3.2068     0.00580
 4        50       2353093     5968      -3.4291     0.00634
 5        79       2651985     7520      -3.5589     0.00708
 6       113       2891269     9115      -3.6527     0.00788
 7       154       3048989     10760      -3.7103     0.00882
 8       201       3133149     12462      -3.7399     0.00994
 9       254       3182368     14227      -3.7568     0.01117
 10       314       3220247     16062      -3.7697     0.01246
 11       380       3253606     17973      -3.7809     0.01381
 12       452       3284149     19965      -3.7910     0.01519
 13       531       3309920     22043      -3.7995     0.01664
 14       616       3328927     24211      -3.8057     0.01818
 15       707       3344448     26473      -3.8108     0.01978