OBSERVER: Sykes, Chamberlain INSTRUMENT: MIRSI LOCATION: IRTF OBJECT NAME: Vesta_28may REDUCED IMAGE FILENAME: b0239.fits OBSERVATION DATE: 05/28/2007 OBSERVATION TIME: 12:19:43 FILTER WAVELENGTH: 11.6 microns AIRMASS: 1.35934 INNER SKY RADIUS: 20 pixels OUTER SKY RADIUS: 30 pixels PIXELS IN SKY ANNULUS: 1576 SKY MODE: -251.24196 SKY STANDARD DEVIATION: 15373.1 SKY SKEW: 0 TOTAL INTEGRATION TIME: 20.0692 sec FWHM: 3.98112 pixels Aperture Aperture c/s Instrument Magnitude radius pixels CTS/sec Error Magnitude Error ---------|----------|----------|---------|----------|----------| 1 3 371019 1366 -1.4234 0.00920 2 13 1180141 2737 -2.6798 0.00579 3 28 1894773 4121 -3.1938 0.00543 4 50 2338839 5527 -3.4225 0.00590 5 79 2642033 6965 -3.5548 0.00659 6 113 2886749 8442 -3.6510 0.00731 7 154 3053926 9965 -3.7121 0.00815 8 201 3148203 11541 -3.7451 0.00916 9 254 3203425 13175 -3.7640 0.01028 10 314 3239102 14874 -3.7760 0.01148 11 380 3265608 16644 -3.7849 0.01274 12 452 3289043 18488 -3.7926 0.01405 13 531 3306902 20412 -3.7985 0.01543 14 616 3317128 22419 -3.8019 0.01689 15 707 3321992 24514 -3.8035 0.01844