OBSERVER: Sykes INSTRUMENT: MIRSI LOCATION: IRTF OBJECT NAME: Vesta REDUCED IMAGE FILENAME: b0045.fits OBSERVATION DATE: 05/26/2007 OBSERVATION TIME: 08:33:34 FILTER WAVELENGTH: 11.6 microns AIRMASS: 1.46016 INNER SKY RADIUS: 20 pixels OUTER SKY RADIUS: 30 pixels PIXELS IN SKY ANNULUS: 1576 SKY MODE: -0.9241743 SKY STANDARD DEVIATION: 178.345 SKY SKEW: -0.000641604 TOTAL INTEGRATION TIME: 20.0692 sec FWHM: 3.56151 pixels Aperture Aperture c/s Instrument Magnitude radius pixels CTS/sec Error Magnitude Error ---------|----------|----------|---------|----------|----------| 1 3 50151 52 0.7493 0.00261 2 13 152362 93 -0.4571 0.00152 3 28 226365 116 -0.8870 0.00128 4 50 263502 131 -1.0519 0.00124 5 79 294077 145 -1.1711 0.00123 6 113 322310 160 -1.2706 0.00124 7 154 339170 174 -1.3260 0.00128 8 201 347641 188 -1.3528 0.00134 9 254 353711 202 -1.3716 0.00143 10 314 358209 218 -1.3853 0.00152 11 380 361505 235 -1.3952 0.00162 12 452 364408 253 -1.4039 0.00173 13 531 366242 273 -1.4094 0.00186 14 616 367040 293 -1.4117 0.00199 15 707 367691 315 -1.4137 0.00214