OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0079.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         09:14:57
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.3132
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 268.81048
SKY STANDARD DEVIATION:   14687.9
SKY SKEW:                 0.0372065
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.05778 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        349060     1305      -1.3572     0.00934
 2        13       1119936     2615      -2.6229     0.00583
 3        28       1826065     3938      -3.1537     0.00539
 4        50       2304783     5282      -3.4065     0.00572
 5        79       2652391     6656      -3.5590     0.00627
 6       113       2924834     8067      -3.6652     0.00689
 7       154       3111163     9522      -3.7323     0.00765
 8       201       3229792     11027      -3.7729     0.00853
 9       254       3310135     12589      -3.7996     0.00950
 10       314       3364330     14212      -3.8172     0.01056
 11       380       3401930     15902      -3.8293     0.01168
 12       452       3432633     17665      -3.8390     0.01286
 13       531       3456867     19503      -3.8467     0.01410
 14       616       3474412     21421      -3.8522     0.01541
 15       707       3489529     23422      -3.8569     0.01678