OBSERVER: Sykes, Chamberlain INSTRUMENT: MIRSI LOCATION: IRTF OBJECT NAME: Vesta_26may REDUCED IMAGE FILENAME: b0103.fits OBSERVATION DATE: 05/26/2007 OBSERVATION TIME: 09:42:29 FILTER WAVELENGTH: 11.6 microns AIRMASS: 1.25415 INNER SKY RADIUS: 20 pixels OUTER SKY RADIUS: 30 pixels PIXELS IN SKY ANNULUS: 1576 SKY MODE: -298.45160 SKY STANDARD DEVIATION: 16212.1 SKY SKEW: 0.0793852 TOTAL INTEGRATION TIME: 20.0692 sec FWHM: 4.10709 pixels Aperture Aperture c/s Instrument Magnitude radius pixels CTS/sec Error Magnitude Error ---------|----------|----------|---------|----------|----------| 1 3 360408 1439 -1.3919 0.00998 2 13 1163697 2885 -2.6646 0.00619 3 28 1904114 4345 -3.1992 0.00570 4 50 2399635 5828 -3.4503 0.00607 5 79 2741143 7345 -3.5948 0.00669 6 113 3001250 8902 -3.6932 0.00741 7 154 3179744 10508 -3.7559 0.00826 8 201 3287036 12170 -3.7920 0.00925 9 254 3354570 13894 -3.8140 0.01035 10 314 3402288 15686 -3.8294 0.01152 11 380 3439814 17552 -3.8413 0.01275 12 452 3474457 19497 -3.8522 0.01402 13 531 3505726 21526 -3.8619 0.01535 14 616 3528136 23643 -3.8688 0.01675 15 707 3545246 25852 -3.8741 0.01823