[Mon Oct 24 10:32:07 2011] Detection parameters:
  Position = (421.5, 346.5) = 21 44 53.87 38 16 20.4
  Extent = 0.5" x 0.5", rotation angle = 90 degrees
  Source counts = 336.8 +/- 19.0
  Background counts = 24.2
  Rate = 0.06 +/- 0.003

[Mon Oct 24 10:32:12 2011] Off-axis axis estimate = 4.59'
[Mon Oct 24 10:33:27 2011] Using EEF radius (= 1.03 ")to estimate initial spatial extent for simple fitting
[Mon Oct 24 10:33:27 2011] Setting initial spatial extent for simple fitting to maximum allowed for this pass
[Mon Oct 24 10:33:27 2011] Initial guess for spatial extent in simple fitting = 1.03"
[Mon Oct 24 10:33:27 2011] source mask rpix=2.1, npix_max = 26, mask sum = 12, frac = 0.449
[Mon Oct 24 10:33:27 2011] Skipping simple spatial due to low active detector fraction
[Mon Oct 24 10:34:01 2011] Vigneting correction estimate = 1.000000
[Mon Oct 24 10:34:01 2011] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Mon Oct 24 10:34:01 2011] Assessing source extent using major
[Mon Oct 24 10:34:01 2011] Source does appear to be extended
[Mon Oct 24 10:34:01 2011] Computing asymmetry using major and minor axis, asym = 1.00
[Mon Oct 24 10:34:20 2011] Using EEF radius (= 1.03 ")to estimate initial spatial extent for simple fitting
[Mon Oct 24 10:34:20 2011] Initial guess for spatial extent in simple fitting = 1.03"
[Mon Oct 24 10:34:20 2011] source mask rpix=2.1, npix_max = 26, mask sum = 12, frac = 0.449
[Mon Oct 24 10:34:20 2011] Skipping simple spatial due to low active detector fraction
[Mon Oct 24 10:34:49 2011] Spatial fit model total counts = 1525.100000, observed total counts = 1682.000000
[Mon Oct 24 10:34:49 2011] Offset between fit and detection position for source 73 = 3.416318 pixels
[Mon Oct 24 10:34:49 2011] Warning, changing simple spatial fit ID from -1 to 54
[Mon Oct 24 10:34:49 2011] 1797.943500 total counts/ 84.853500 bgd. counts: snr = 185.971031
Spatial fit parameters:
  Offset between fit and detection position for source 73 = 3.416318 pixels
  Position = (422.8, 349.7) = 21 44 53.84 38 16 21.7
  Extent = 2.1" x 1.1", rotation angle = 334
  Source counts = 1713.1 +/- 42.4
  Background counts = 84.9
  Rate = 0.3 +/- 0.007
[Mon Oct 24 10:34:49 2011] Spatial fit model total counts = 2004.500000, observed total counts = 2353.000000
[Mon Oct 24 10:34:49 2011] Poor agreement between spatial fit and data for source 73
It may help to tweak spatial fit manually
Not incorporating fit results
[Mon Oct 24 10:34:49 2011] Vigneting correction estimate = 1.000000
[Mon Oct 24 10:34:49 2011] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Mon Oct 24 10:34:49 2011] Assessing source extent using major
[Mon Oct 24 10:34:49 2011] Source does appear to be extended
[Mon Oct 24 10:34:49 2011] Computing asymmetry using major and minor axis, asym = 1.95
[Mon Oct 24 10:34:49 2011] Source is asymmetric
[Mon Oct 24 10:34:49 2011] Source is confused with source 64
[Mon Oct 24 10:34:49 2011] Source is confused with source 55
[Mon Oct 24 10:34:49 2011] Source is confused with source 83
[Mon Oct 24 10:35:27 2011] Not overwriting source region fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_src.reg
[Mon Oct 24 10:35:27 2011] Extracting stamp from image fullrun_ccd7_acisf08445_pi14-548_cl_sm2.00.img.gz, (327, 253) - (519, 446)
[Mon Oct 24 10:35:27 2011] Writing fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73.gif
[Mon Oct 24 10:38:35 2011] ../../acisf08445/products/events/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_src.evt and ../../acisf08445/products/events/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_bgd.evt exist, delete to re-create
[Mon Oct 24 10:38:35 2011] Size of ../../acisf08445/products/events/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_src.evt.gz[events] = 1563 counts
[Mon Oct 24 10:38:35 2011] Mean chipx,y = (494.86, 34.32)
[Mon Oct 24 10:38:35 2011] Mean tdetx,y = (4411.86, 1736.32)
[Mon Oct 24 10:38:35 2011] chipx,y range = (473.00-527.00, 8.00-58.00)
[Mon Oct 24 10:38:35 2011] Size of ../../acisf08445/products/events/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_bgd.evt.gz[events] = 1128 counts
[Mon Oct 24 10:38:35 2011] ../../acisf08445/products/images/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_src.img and ../../acisf08445/products/images/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_bgd.img exist, delete to re-create
[Mon Oct 24 10:38:35 2011] ../../acisf08445/products/spectra/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_src.pi and ../../acisf08445/products/spectra/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_bgd.pi exist, delete to re-create
[Mon Oct 24 10:38:37 2011] ../../acisf08445/products/lightcurves/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_src.lc and ../../acisf08445/products/lightcurves/fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_bgd.lc exist, delete to re-create
[Mon Oct 24 10:40:47 2011] Keeping rmf generated by specextract
[Mon Oct 24 10:40:47 2011] 191.491
[Mon Oct 24 10:40:53 2011] Updating aperture counts using extracted products
[Mon Oct 24 10:40:53 2011] Error reading totcts from fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73_src.pi.gz
[Mon Oct 24 10:40:55 2011] Calculating source flux in energy range 0.30-8.00
[Mon Oct 24 10:40:55 2011] Using photon index=1.80, rate=0.294, arf fullrun_ccd7_acisf08445_pi14-548_pass1_cl_src73.arf
[Mon Oct 24 10:40:55 2011] Assuming count rate is from the 0.20-8.00 bandpass
[Mon Oct 24 10:40:55 2011] Updating source flux to 3e-12
[Mon Oct 24 10:41:04 2011] Flag p found in src. 73 procflags, skipping spectral fitting
[Mon Oct 24 10:41:04 2011] Flag c found in src. 73 procflags, skipping spectral fitting