OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_28may
REDUCED IMAGE FILENAME:   b0176.fits
OBSERVATION DATE:         05/28/2007
OBSERVATION TIME:         11:04:49
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.21573
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 221.27525
SKY STANDARD DEVIATION:   15770.5
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.09491 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        348807     1400      -1.3564     0.01003
 2        13       1123388     2807      -2.6263     0.00624
 3        28       1832437     4227      -3.1575     0.00576
 4        50       2297723     5669      -3.4032     0.00616
 5        79       2613823     7145      -3.5431     0.00683
 6       113       2855479     8660      -3.6392     0.00758
 7       154       3017765     10222      -3.6992     0.00846
 8       201       3110547     11838      -3.7320     0.00951
 9       254       3164252     13515      -3.7506     0.01067
 10       314       3199729     15258      -3.7627     0.01192
 11       380       3227283     17074      -3.7720     0.01322
 12       452       3250956     18966      -3.7800     0.01458
 13       531       3269178     20939      -3.7861     0.01601
 14       616       3280841     22999      -3.7899     0.01752
 15       707       3289974     25148      -3.7929     0.01910