OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0105.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         08:28:24
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.76758
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 -1431.1433
SKY STANDARD DEVIATION:   13012.8
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.80787 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        342740     1158      -1.3374     0.00844
 2        13       1073038     2319      -2.5765     0.00540
 3        28       1700254     3491      -3.0762     0.00513
 4        50       2102078     4681      -3.3066     0.00556
 5        79       2396490     5898      -3.4489     0.00615
 6       113       2631642     7148      -3.5505     0.00679
 7       154       2788447     8437      -3.6134     0.00756
 8       201       2883140     9770      -3.6496     0.00847
 9       254       2941983     11154      -3.6716     0.00947
 10       314       2971995     12592      -3.6826     0.01059
 11       380       2983735     14089      -3.6869     0.01180
 12       452       2988909     15650      -3.6887     0.01309
 13       531       2989638     17279      -3.6890     0.01444
 14       616       2986256     18978      -3.6878     0.01588
 15       707       2979825     20751      -3.6854     0.01740