OBSERVER:                 Sykes
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta
REDUCED IMAGE FILENAME:   b0307.fits
OBSERVATION DATE:         05/17/2007
OBSERVATION TIME:         13:11:15
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.34957
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 347.31840
SKY STANDARD DEVIATION:   15882.8
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.75633 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        396007     1411      -1.4942     0.00890
 2        13       1232091     2827      -2.7266     0.00573
 3        28       1908585     4257      -3.2017     0.00557
 4        50       2295178     5710      -3.4020     0.00621
 5        79       2564688     7195      -3.5225     0.00701
 6       113       2783218     8721      -3.6113     0.00783
 7       154       2917205     10294      -3.6624     0.00882
 8       201       2981195     11922      -3.6859     0.00999
 9       254       3017434     13611      -3.6990     0.01127
 10       314       3042135     15367      -3.7079     0.01262
 11       380       3064007     17195      -3.7157     0.01402
 12       452       3086625     19100      -3.7237     0.01547
 13       531       3104375     21088      -3.7299     0.01698
 14       616       3115916     23162      -3.7339     0.01858
 15       707       3124243     25327      -3.7368     0.02026