OBSERVER: Sykes, Chamberlain INSTRUMENT: MIRSI LOCATION: IRTF OBJECT NAME: Vesta_26may REDUCED IMAGE FILENAME: b0230.fits OBSERVATION DATE: 05/26/2007 OBSERVATION TIME: 12:09:17 FILTER WAVELENGTH: 11.6 microns AIRMASS: 1.29818 INNER SKY RADIUS: 20 pixels OUTER SKY RADIUS: 30 pixels PIXELS IN SKY ANNULUS: 1576 SKY MODE: -688.74920 SKY STANDARD DEVIATION: 15823.8 SKY SKEW: -1.43691e-17 TOTAL INTEGRATION TIME: 20.0692 sec FWHM: 3.96753 pixels Aperture Aperture c/s Instrument Magnitude radius pixels CTS/sec Error Magnitude Error ---------|----------|----------|---------|----------|----------| 1 3 378491 1406 -1.4451 0.00928 2 13 1203313 2817 -2.7009 0.00585 3 28 1923782 4241 -3.2103 0.00551 4 50 2360289 5689 -3.4324 0.00602 5 79 2645724 7169 -3.5563 0.00677 6 113 2874141 8689 -3.6462 0.00755 7 154 3029101 10257 -3.7032 0.00846 8 201 3109825 11878 -3.7318 0.00954 9 254 3150458 13561 -3.7459 0.01076 10 314 3178273 15310 -3.7554 0.01204 11 380 3202975 17131 -3.7638 0.01337 12 452 3226271 19030 -3.7717 0.01474 13 531 3243813 21010 -3.7776 0.01619 14 616 3252239 23076 -3.7804 0.01773 15 707 3254453 25233 -3.7812 0.01938