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Crescent Nebula

A quick look (24 each minutes in Ha,OIII,SII)

Again puzzled by the lack of SII signal...

Maybe I need another filter to get better 3rd channel data..??

? NII

 

FOV needs f/6.4,or maybe the f/5 scope...(Newtonian)

Its an ugly thing,IMHO.

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Uploaded on May 22, 2010
Taken on May 22, 2010