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Old 23-10-2008, 07:04 PM
Rob_K
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Join Date: Oct 2006
Location: Bright, Vic, Australia
Posts: 2,165
Thanks guys - Daniel, I had an "Orionid night" the night before, very good too!

Quote:
Originally Posted by §AB View Post
The Helix doesn't look as bright as M27 because it is actually much larger and consequently suffers from low surface brightness. It looks great in an OIII though!
Yep SAB, my point was I've seen it well through this scope before and with the top-flight transparency I was expecting better again. Instead, it was very poor, all over the place. Just wondered with the LSB whether it might be particularly susceptible to poor seeing...

Cheers -
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