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Old 28-09-2012, 03:15 PM
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RickS (Rick)
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Join Date: Apr 2010
Location: Brisbane
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Nice work, Justin!

Quote:
Originally Posted by andyc View Post
A question: Many images show NGC346 as teal or bluish, even when neighbouring regions show more characteristic pink emission (for example here). Anybody know why?
I did some narrowband imaging of NGC 346 at a 1600mm focal length and as well as Ha it emits a lot of OIII... which just happens to be teal coloured.
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