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Sharpless catalog emission nebula

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	Replies	Views	Created
How "pure" is the OIII signal of dual narrowband filters? Optolong L-eXtreme Acquisition HOO +2 Michael Bauer Last post: Michael Bauer	45	3k	Sep 3, 2023
Sh2-129 and OU4; "Flying Bat and Squid Nebulae" OII capture question Acquisition Narrowband Deep Sky +2 Sean van Drogen Last post: Roger Nichol	29	1.7k	Jul 20, 2022
[RCC] Strange artifacts in long exposure image Siril Team Siril Request for feedback Sh2-129 +2 Götz Golla Last post: Reg Pratt	20	617	Sep 4, 2021

Showing 1-3 of 3