OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0145.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         09:20:40
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.43937
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -559.93005
SKY STANDARD DEVIATION:   11244.1
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.79979 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        275944     1001      -1.1020     0.00906
 2        13        866627     2005      -2.3445     0.00578
 3        28       1358139     3017      -2.8323     0.00555
 4        50       1659395     4045      -3.0498     0.00609
 5        79       1882472     5097      -3.1868     0.00676
 6       113       2060409     6177      -3.2848     0.00749
 7       154       2172115     7290      -3.3422     0.00839
 8       201       2235564     8443      -3.3734     0.00944
 9       254       2274374     9638      -3.3921     0.01059
 10       314       2294148     10881      -3.4015     0.01185
 11       380       2303506     12175      -3.4059     0.01321
 12       452       2309779     13523      -3.4089     0.01463
 13       531       2311530     14930      -3.4097     0.01614
 14       616       2310009     16399      -3.4090     0.01774
 15       707       2307946     17931      -3.4080     0.01942