OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0039.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         08:20:29
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.47134
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -139.30189
SKY STANDARD DEVIATION:   12404.9
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.95202 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        321449     1104      -1.2677     0.00858
 2        13       1023511     2211      -2.5252     0.00540
 3        28       1650431     3328      -3.0439     0.00504
 4        50       2082005     4463      -3.2962     0.00535
 5        79       2416144     5623      -3.4578     0.00581
 6       113       2695503     6815      -3.5766     0.00632
 7       154       2896626     8044      -3.6547     0.00694
 8       201       3029198     9315      -3.7033     0.00768
 9       254       3122849     10634      -3.7363     0.00851
 10       314       3183719     12005      -3.7573     0.00942
 11       380       3216692     13432      -3.7685     0.01043
 12       452       3234954     14920      -3.7746     0.01153
 13       531       3247076     16473      -3.7787     0.01268
 14       616       3257264     18092      -3.7821     0.01388
 15       707       3266191     19783      -3.7851     0.01514