Celestial hemisphere:  Northern  ·  Constellation: Camelopardalis (Cam)  ·  Contains:  NGC 2403
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NGC 2403 an intermediate spiral galaxy in Camelopardalis with H-Alpha Added, Jerry Yesavage
NGC 2403 an intermediate spiral galaxy in Camelopardalis with H-Alpha Added
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NGC 2403 an intermediate spiral galaxy in Camelopardalis with H-Alpha Added

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Description

Sames as prior version but with H-alpha added. There is a lot of H-Alpha. I used the NBRGBCombination script in PI.

Colin has some excellent techniques described in:

http://www.astrobin.com/68513/

But I found I had better control with the script rather than using PixelMatch. I did use the masking techniques Colin describes, which seem to be esstential.

Problem with this object is that is it so loaded with H-alpha I can only add a little... wasted a lot of imaging time.

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NGC 2403 an intermediate spiral galaxy in Camelopardalis with H-Alpha Added, Jerry Yesavage

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Cloudy Nights