OBSERVER: Sykes, Chamberlain INSTRUMENT: MIRSI LOCATION: IRTF OBJECT NAME: Vesta_26may REDUCED IMAGE FILENAME: b0199.fits OBSERVATION DATE: 05/26/2007 OBSERVATION TIME: 11:35:25 FILTER WAVELENGTH: 11.6 microns AIRMASS: 1.23564 INNER SKY RADIUS: 20 pixels OUTER SKY RADIUS: 30 pixels PIXELS IN SKY ANNULUS: 1576 SKY MODE: 95.804576 SKY STANDARD DEVIATION: 12762.9 SKY SKEW: -1.11345e-18 TOTAL INTEGRATION TIME: 20.0692 sec FWHM: 3.81729 pixels Aperture Aperture c/s Instrument Magnitude radius pixels CTS/sec Error Magnitude Error ---------|----------|----------|---------|----------|----------| 1 3 382263 1137 -1.4559 0.00743 2 13 1198276 2276 -2.6963 0.00474 3 28 1880472 3425 -3.1856 0.00455 4 50 2295202 4593 -3.4020 0.00500 5 79 2599807 5786 -3.5373 0.00556 6 113 2846146 7012 -3.6356 0.00615 7 154 3003748 8276 -3.6941 0.00688 8 201 3086995 9583 -3.7238 0.00776 9 254 3135086 10940 -3.7406 0.00872 10 314 3167755 12351 -3.7518 0.00974 11 380 3195143 13819 -3.7612 0.01081 12 452 3221686 15350 -3.7702 0.01191 13 531 3242973 16948 -3.7773 0.01306 14 616 3256175 18614 -3.7817 0.01429 15 707 3264486 20353 -3.7845 0.01558