[Mon May 27 08:08:27 2013] Detection parameters:
  Position = (428.6, 133.0) = 15 2 43.24 -41 53 14.0
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 371.5 +/- 43.9
  Background counts = 570.8
  Rate = 0.003 +/- 0.0004

[Mon May 27 08:08:42 2013] Off-axis axis estimate = 15.26'
[Mon May 27 08:12:31 2013] Using EEF radius (= 14.06 ")to estimate initial spatial extent for simple fitting
[Mon May 27 08:12:31 2013] Initial guess for spatial extent in simple fitting = 14.06"
[Mon May 27 08:12:31 2013] source mask rpix=3.2, npix_max = 55, mask sum = 56, frac = 1.005
[Mon May 27 08:12:31 2013] Giving source the simple spatial ID 152 for pass 0, mean size = 14.06"
[Mon May 27 08:13:31 2013] Spatial fit model total counts = 8397.830000, observed total counts = 4296.000000
[Mon May 27 08:13:31 2013] Poor agreement between spatial fit and data for source 164
It may help to tweak spatial fit manually
Not incorporating fit results
[Mon May 27 08:13:32 2013] Vigneting correction estimate = 1.000000
[Mon May 27 08:13:32 2013] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Mon May 27 08:13:32 2013] Assessing source extent using major
[Mon May 27 08:13:32 2013] Source does appear to be extended
[Mon May 27 08:13:32 2013] Computing asymmetry using major and minor axis, asym = 1.00
[Mon May 27 08:13:32 2013] Source is confused with source 166
[Mon May 27 08:15:42 2013] Using EEF radius (= 14.06 ")to estimate initial spatial extent for simple fitting
[Mon May 27 08:15:42 2013] Initial guess for spatial extent in simple fitting = 14.06"
[Mon May 27 08:15:42 2013] source mask rpix=3.2, npix_max = 55, mask sum = 56, frac = 1.005
[Mon May 27 08:15:42 2013] Giving source the simple spatial ID 149 for pass 1, mean size = 14.06"
[Mon May 27 08:16:47 2013] Vigneting correction estimate = 1.000000
[Mon May 27 08:16:47 2013] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Mon May 27 08:16:47 2013] Assessing source extent using major
[Mon May 27 08:16:47 2013] Source does appear to be extended
[Mon May 27 08:16:47 2013] Computing asymmetry using major and minor axis, asym = 1.00
[Mon May 27 08:19:34 2013] XMMSAS src. selection expression = ellipse(37241.707733, 11525.135117, 652.500000, 652.500000, 0.000000, X, Y)
[Mon May 27 08:19:34 2013] Not overwriting source region fullrun_pn_xmm0555630301_pi300-10000_pass1_cl_src164_src.reg
[Mon May 27 08:19:34 2013] Extracting stamp from image fullrun_pn_xmm0555630301_pi300-10000_cl_sm2.00.img.gz, (391, 96) - (466, 171)
[Mon May 27 08:19:34 2013] XMMSAS bgd. selection expression = annulus(37241.707733, 11525.135117, 1087.500000, 2175.000000, X, Y) && !ellipse(40179.290000, 22671.942000, 12405.936357, 12405.936357, 0.000000, X, Y) && !ellipse(41346.302000, 22161.920000, 13026.816375, 13026.816375, 0.000000, X, Y) && !ellipse(35004.978302, 10460.201538, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(44649.794000, 19552.166000, 10301.376296, 10301.376296, 0.000000, X, Y) && !ellipse(40086.133545, 12383.045441, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(37749.070557, 12044.327423, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(36972.463867, 11068.893555, 870.000000, 870.000000, 0.000000, X, Y)
[Mon May 27 08:19:34 2013] Writing fullrun_pn_xmm0555630301_pi300-10000_pass1_cl_src164.gif