Messier 42 - The Orion Nebula (Pete Mumbower)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 the01 Ori · 42 c Ori · 43 the02 Ori · 44 iot Ori · 45 Ori · De Mairan's nebula · Great Orion Nebula · Hatysa · IC 420 · LBN 963 · LBN 974 · LBN 977 · LBN 979 · LDN 1640 · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1924 · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · NGC 1999 · Orion Nebula · Sh2-279 · Sh2-281 · And 10 more.

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Messier 42 - The Orion Nebula

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Messier 42 - The Orion Nebula

Been slowly working on this wide field of the Orion Nebula for a couple months now. Since Orion has been rising in the early morning I was getting a handful of 20min h-alpha frames when it was clear after a night of main fall targets. To make this project extra interesting is that I got a new objective lens for the 61EDPHII from SharpStar after the 1200s Ha frames were completed and before the shorter HDR ha frames and eventual RGB. For those curious, the scope when I got had CA issues. The typical blue bloat. To combat that I got a set of Astronomik Deep Sky RGB filters which had a more aggressive blue cutoff. That worked pretty well, but there was still a tiny bit of CA left. Fast forward to a month ago and I heard that SharpStar was doing an objective swap. So I contacted them and after a pleasant email exchange and a few weeks, the new objective arrived free of charge. It took a week for clear skies to appear to test things and based off that the CA appears to be gone now. Cannot wait to get the deeper RGB data for this project to say for sure.

Currently it stands at just the HDR H-alpha portion, which I do enjoy.

Original
Final
B

B

Description: Finally got enough clear skies to get RGB data to produce a HaRGB image here. Still working to tame the noise, but I do not think it is too horrible

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Status	Advanced success
Started	...
Astrometry.net job	5375707
PixInsight job	U33YFO364MM9MNXWOUDIG8UM6FT5GM4S
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h35m16s.85
RA (top/left)	05h27m45s.58
RA (top/right)	05h42m40s.52
RA (bottom/right)	05h42m45s.33
RA (bottom/left)	05h27m54s.90

Dec (center)	-05°23′48″.0
Dec (top/left)	-06°45′21″.3
Dec (top/right)	-06°47′39″.1
Dec (bottom/right)	-04°02′00″.6
Dec (bottom/left)	-03°59′37″.6

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Messier 42 - The Orion Nebula

Messier 42 - The Orion Nebula

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Messier 42 - The Orion Nebula

Messier 42 - The Orion Nebula

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