You've convinced me that the large, faint patches of OIII at 10 o'clock and 11:30 and almost at the edge are real. Because of our smaller FOV I'd dismissed it as bad flats.
Best,
Mike
PS: I've just seen what you mean by a delicate flower-like nebula. The two faint patches I mentioned are petals. There are more. Never seen that before.
Last edited by Placidus; 26-06-2016 at 10:17 PM.
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