The Carina Nebula (NGC 3372)--A work in progress with more progress

Just for kicks I am trying to image  something "outside" our solar system. Today(2015-02-07) I added more data to the image.

35-60 seconds Luminance  BIN1
17-60 seconds Red BIN2
17-60 seconds Green BIN2
17-60 seconds Blue BIN2
Combine  Mean image stacking 

35-60 seconds Luminance  BIN1
17-60 seconds Red BIN2
17-60 seconds Green BIN2
17-60 seconds Blue BIN2
Combine  Median image stacking 

35-60 seconds Luminance  BIN1
17-60 seconds Red BIN2
17-60 seconds Green BIN2
17-60 seconds Blue BIN2
Combine Sum image stacking