OBSERVER: Sykes, Chamberlain, Bus INSTRUMENT: MIRSI LOCATION: IRTF OBJECT NAME: Vesta REDUCED IMAGE FILENAME: reg/b0141.fits OBSERVATION DATE: 04/27/2007 OBSERVATION TIME: 13:16:04 FILTER WAVELENGTH: 11.6 microns AIRMASS: 1.20755 INNER SKY RADIUS: 20 pixels OUTER SKY RADIUS: 30 pixels PIXELS IN SKY ANNULUS: 1576 SKY MODE: -364.75777 SKY STANDARD DEVIATION: 10669.4 SKY SKEW: 0 TOTAL INTEGRATION TIME: 19.9888 sec FWHM: 4.04108 pixels Aperture Aperture c/s Instrument Magnitude radius pixels CTS/sec Error Magnitude Error ---------|----------|----------|---------|----------|----------| 1 3 297696 955 -1.1844 0.00801 2 13 953420 1912 -2.4482 0.00501 3 28 1535101 2877 -2.9653 0.00468 4 50 1879278 3856 -3.1849 0.00513 5 79 2083051 4858 -3.2967 0.00582 6 113 2230284 5886 -3.3709 0.00659 7 154 2329817 6947 -3.4183 0.00745 8 201 2380883 8044 -3.4418 0.00844 9 254 2406944 9183 -3.4536 0.00953 10 314 2428767 10367 -3.4634 0.01067 11 380 2449858 11600 -3.4728 0.01183 12 452 2472113 12885 -3.4826 0.01302 13 531 2488063 14225 -3.4896 0.01429 14 616 2495470 15624 -3.4928 0.01565 15 707 2496568 17083 -3.4933 0.01710