The output console thus gives the following result:

   14:33:06: Pixel rejection in channel #0: 0.181% - 1.184%
   14:33:06: Pixel rejection in channel #1: 0.151% - 1.176%
   14:33:06: Pixel rejection in channel #2: 0.111% - 1.118%
   14:33:06: Integration of 12 images:
   14:33:06: Pixel combination ......... average
   14:33:06: Normalization ............. additive + scaling
   14:33:06: Pixel rejection ........... Winsorized sigma clipping
   14:33:06: Rejection parameters ...... low=4.000 high=3.000
   14:33:07: Saving FITS: file NGC7635.fit, 3 layer(s), 4290x2856 pixels
   14:33:07: Execution time: 9.98 s.
   14:33:07: Background noise value (channel: #0): 9.538 (1.455e-04)
   14:33:07: Background noise value (channel: #1): 5.839 (8.909e-05)
   14:33:07: Background noise value (channel: #2): 5.552 (8.471e-05)