[Fri Jun 29 19:17:51 2012] Detection parameters: Position = (320.8, 310.1) = 0 42 42.52 41 15 50.7 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 4558.8 +/- 89.8 Background counts = 168.0 Rate = 0.2 +/- 0.004 [Fri Jun 29 19:17:54 2012] Off-axis axis estimate = 1.83' [Fri Jun 29 19:22:32 2012] Using EEF radius (= 7.34 ")to estimate initial spatial extent for simple fitting [Fri Jun 29 19:22:32 2012] Initial guess for spatial extent in simple fitting = 7.34" [Fri Jun 29 19:22:32 2012] source mask rpix=1.7, npix_max = 19, mask sum = 16, frac = 0.836 [Fri Jun 29 19:22:32 2012] Giving source the simple spatial ID 16 for pass 0, mean size = 7.34"