[Fri Jun 29 19:17:51 2012] Detection parameters: Position = (320.9, 297.0) = 0 42 42.49 41 14 54.3 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 4056.5 +/- 81.3 Background counts = 164.5 Rate = 0.2 +/- 0.004 [Fri Jun 29 19:17:54 2012] Off-axis axis estimate = 1.63' [Fri Jun 29 19:22:32 2012] Using EEF radius (= 7.24 ")to estimate initial spatial extent for simple fitting [Fri Jun 29 19:22:32 2012] Initial guess for spatial extent in simple fitting = 7.24" [Fri Jun 29 19:22:32 2012] source mask rpix=1.7, npix_max = 18, mask sum = 16, frac = 0.853 [Fri Jun 29 19:22:32 2012] Giving source the simple spatial ID 18 for pass 0, mean size = 7.24"