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NGC 246 Skull Nebula HaOIII + RGB stars (12.2 hours)
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05-10-2014, 01:07 PM
LightningNZ
(Cam)
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Join Date: Oct 2011
Location: Canberra
Posts: 951
That's really cool Barry! Which flattener do you use? I tried one on my 102mm F/5 Celestron but it didn't work - it looked like massive astigmatism resulted. I'm really keen to get simultaneous narrow-band and one-shot colour going.
LightningNZ
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