[Sat Aug 18 08:37:02 2012] Detection parameters:
  Position = (235.8, 336.5) = 0 25 48.24 64 11 27.5
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 731.2 +/- 49.7
  Background counts = 498.1
  Rate = 0.02 +/- 0.002

[Sat Aug 18 08:37:04 2012] Off-axis axis estimate = 5.32'
[Sat Aug 18 08:51:49 2012] Using EEF radius (= 9.09 ")to estimate initial spatial extent for simple fitting
[Sat Aug 18 08:51:49 2012] Initial guess for spatial extent in simple fitting = 9.09"
[Sat Aug 18 08:51:49 2012] source mask rpix=2.1, npix_max = 26, mask sum = 19, frac = 0.709
[Sat Aug 18 08:51:49 2012] Giving source the simple spatial ID 57 for pass 0, mean size = 9.09"
[Sun Aug 19 21:47:03 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src57.ximg exists
[Sun Aug 19 21:47:03 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src57_1.ximg exists
[Sun Aug 19 21:47:03 2012] Fit fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src57 appears to have run properly
[Sun Aug 19 21:47:05 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src57.ximg exists
[Sun Aug 19 21:47:05 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src57.csv
[Sun Aug 19 21:47:05 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src57_1.ximg exists
[Sun Aug 19 21:47:05 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src57.csv
[Sun Aug 19 21:47:05 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src57_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src57.ximg or adjust the simplespatial fit parameters in $XASSIST/data/missions/*/*/spatial.dat and re-run simplespatial fitting after setting file recreation parameter to yes
[Sun Aug 26 22:07:10 2012] Warning: source 57 in spatial fitting list does not appear to have a counterpart in memory, closest src. was src. 64 at 14.468836 pixels away
[Sun Aug 26 22:07:10 2012] Vigneting correction estimate = 1.000000
[Sun Aug 26 22:07:10 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sun Aug 26 22:07:10 2012] Assessing source extent using major
[Sun Aug 26 22:07:10 2012] Source does appear to be extended
[Sun Aug 26 22:07:10 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Sun Aug 26 22:07:10 2012] Source is confused with source 49
[Sun Aug 26 22:07:57 2012] Using EEF radius (= 9.09 ")to estimate initial spatial extent for simple fitting
[Sun Aug 26 22:07:57 2012] Initial guess for spatial extent in simple fitting = 9.09"
[Sun Aug 26 22:07:57 2012] source mask rpix=2.1, npix_max = 26, mask sum = 19, frac = 0.709
[Sun Aug 26 22:07:57 2012] Giving source the simple spatial ID 53 for pass 1, mean size = 9.09"