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Hi
The cone nebula is not a bright object. It's worse than the Rosette in that respect.
Were you imaging from Melbourne?If so there would be LP issues and your exposure time is far too short given the lack of surface brightness. Looking at your equipment list I assume this was with a camera lens rather than a scope?
I tried this from Sydney with a 102mm scope and a dslr a few years ago also using BYE and with 5 minute subs plus a clip-in CLS filter you can hardly see a thing. It's a tricky object for which you really need a dark site to do well with in my view.
Phew, 3 paragraphs...
Last edited by DJT; 07-03-2017 at 11:55 AM.
Reason: Added reference to BYE and Lens
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