OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_27may
REDUCED IMAGE FILENAME:   b0179.fits
OBSERVATION DATE:         05/27/2007
OBSERVATION TIME:         11:21:25
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.22639
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 41.539207
SKY STANDARD DEVIATION:   17574.7
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     3.88975 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        408577     1560      -1.5281     0.00954
 2        13       1290883     3127      -2.7772     0.00605
 3        28       2044012     4709      -3.2762     0.00575
 4        50       2492844     6317      -3.4917     0.00633
 5        79       2784230     7960      -3.6117     0.00714
 6       113       3001508     9649      -3.6933     0.00803
 7       154       3135202     11390      -3.7406     0.00908
 8       201       3198413     13192      -3.7623     0.01031
 9       254       3230593     15060      -3.7732     0.01165
 10       314       3254310     17003      -3.7811     0.01306
 11       380       3281570     19026      -3.7902     0.01449
 12       452       3310593     21135      -3.7997     0.01595
 13       531       3331491     23334      -3.8066     0.01751
 14       616       3342849     25629      -3.8102     0.01916
 15       707       3347389     28024      -3.8117     0.02092