OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0175.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         11:03:49
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.21496
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -741.95878
SKY STANDARD DEVIATION:   18009.3
SKY SKEW:                 -6.31268e-18
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.76529 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        400274     1598      -1.5058     0.00998
 2        13       1248730     3203      -2.7411     0.00641
 3        28       1944797     4824      -3.2221     0.00620
 4        50       2351248     6472      -3.4282     0.00688
 5        79       2636179     8156      -3.5524     0.00773
 6       113       2865372     9887      -3.6429     0.00862
 7       154       3008333     11671      -3.6958     0.00969
 8       201       3081735     13517      -3.7219     0.01096
 9       254       3122219     15432      -3.7361     0.01235
 10       314       3143935     17423      -3.7436     0.01385
 11       380       3156758     19496      -3.7481     0.01543
 12       452       3167983     21657      -3.7519     0.01709
 13       531       3174977     23911      -3.7543     0.01882
 14       616       3176517     26263      -3.7548     0.02066
 15       707       3178435     28717      -3.7555     0.02258