OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0157.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         10:56:21
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.20728
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 54.108853
SKY STANDARD DEVIATION:   18437
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.75788 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        418403     1636      -1.5539     0.00977
 2        13       1302056     3279      -2.7865     0.00629
 3        28       2021115     4939      -3.2639     0.00610
 4        50       2438773     6625      -3.4679     0.00679
 5        79       2716233     8350      -3.5849     0.00768
 6       113       2929797     10121      -3.6670     0.00863
 7       154       3056202     11948      -3.7129     0.00977
 8       201       3114835     13838      -3.7335     0.01110
 9       254       3146553     15799      -3.7445     0.01255
 10       314       3172166     17837      -3.7533     0.01405
 11       380       3202027     19959      -3.7635     0.01558
 12       452       3234199     22171      -3.7744     0.01713
 13       531       3256833     24478      -3.7819     0.01879
 14       616       3267758     26886      -3.7856     0.02056
 15       707       3274093     29399      -3.7877     0.02244