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DaveS

M27 Reprocess

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I've been bashing my head against this for a while now, a major problem is only 6 hours of data, 3 hours each HII and [OIII], both in 10 min subs. 130mm f/7 TS Photoline apo, Astrodon 3nm filters and SX Trius 694 encoder guided on ASA DDM60. Capture in Maxim DL 6 with ASA software. All processing in AstroArt 7. Each stack given DDP and gradient removal, Adaptive Divide, Trichromy with H > Red, O > Green and Blue. More gradient removal.Adaptive Subtract then Histogram Stretch and colour balance.

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With such thin data, trying to pull out the outer shell without blowing the structure in the core is a real struggle, and I'm not sure I've got it right yet! The background may still be too green. Argh!

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