M42 - Orioin Nebula (shawnmhy)

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 965 · LBN 967 · LBN 974 · LBN 977 · 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 · Orion Nebula · Sh2-279 · Sh2-281 · And 9 more.

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M42 - Orioin Nebula

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M42 - Orioin Nebula

The M42 Orion Nebula - This has been my first try shooting Orion Nebula - one of my favorite DSO in winter sky.

I shot like 50 subs with 5 minutes of exposure and the majority of them turned out pretty good. It's a pity that I did not realize it's better to do HDR to avoid overexposure of the core. Another thing is I didn't do dithering when shooting this object, so if you zoom in you can see those stripes that cannot be removed by post-processing. Anyway, I will definitely re-shoot this amazing object in the future so perhaps next time

The processing also has been tough. After DBE the color looks pretty strange to me (I used Radian quad-band filter) and I have to split the channel to RGB and integrate as GRB to recover what it is supposed to look like.

Hope you guys can enjoy!

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Status	Advanced success
Started	...
Astrometry.net job	5304843
PixInsight job	OIY4GJ55ECKRU1HJ2GSR71AR9KDS3PJ0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h35m14s.76
RA (top/left)	05h44m48s.14
RA (top/right)	05h29m59s.15
RA (bottom/right)	05h25m39s.39
RA (bottom/left)	05h40m28s.25

Dec (center)	-05°19′50″.7
Dec (top/left)	-05°46′46″.4
Dec (top/right)	-07°22′04″.2
Dec (bottom/right)	-04°51′30″.6
Dec (bottom/left)	-03°15′42″.10

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M42 - Orioin Nebula

M42 - Orioin Nebula

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M42 - Orioin Nebula

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