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October 1, 2009
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Rob Mackie |
IC-1396 Elephant's Trunk Nebula in Cepheus
El Cerrito CA
Exposure data: 72 min HA, 78min red, 54min blue, 42min green
Red channel is a 50-50 blend of HA and red channels.
Luminance layer: HA channel @ 25% opacity. All subs 6 minutes.
Moon nearly full. Used IDAS LPS filter to mitigate light pollution.
The luminance exposure, obtained with a 7nm hydrogen alpha
filter is at http://www.pbase.com/steelnavy/image/117841564
STL 11K camera,AP 130 Refractor @ F/4.5,Starshoot Guider w/PHD
