M42 again and again (John Favalessa)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 Ori A) · 41 Ori C · 41 Ori D · 42 Ori) · 43 Ori) · 44 Ori) · De Mairan's nebula · Great Orion Nebula · LBN 974 · LBN 977 · LDN 1640 · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1982 · Orion Nebula · PGC 3081010 · Sh2-279 · Sh2-281 · The star 45 Ori · The star Hatysa (ι Ori · The star Mizan Batil I (c Ori · The star Mizan Batil II (θ2 Ori · The star Trapezium (θ1 Ori A · And 3 more.

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M42 again and again

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M42 again and again

When starting out in this avocation 3 years ago, this was the second target I imaged. I still remember the joyful shock when I first stacked in DDS and thinking what have I gotten myself into 😀. I have to admit that joy was the same when I stacked the subs for this attempt 3 years later. I actually took 180 sec, 120 sec and 60 sec subs thinking of using HDRcomposition, but after see the 60sec and 120sec masters I stacked only these and went straight to processing. This is work in progress, but I may not do better so posting. I think I'll put my reducer on to get more of the outward dust lanes. Lots of satellite trails in this area of course; used some more aggressive settings in APP to remove. This target is worth more than one try at it (and year after year). Captured at Chuchupate which is on the way up to Mt Pinos which was closed due to snow. Chuchupate is at 5,700. This night SQM ranged from 20.75 to 21.14. Seeing was not great, guiding between 1 and 0.7 RMS.

SoCal Astrophotography
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Status	Advanced success
Started	...
Astrometry.net job	6643721
PixInsight job	ZSY56BKIT39UU9LWW9K1ZBNL01XRFFXL
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h35m20s.65
RA (top/left)	05h37m53s.70
RA (top/right)	05h37m46s.40
RA (bottom/right)	05h32m48s.70
RA (bottom/left)	05h32m54s.81

Dec (center)	-05°23′15″.7
Dec (top/left)	-06°18′10″.4
Dec (top/right)	-04°27′03″.6
Dec (bottom/right)	-04°28′17″.1
Dec (bottom/left)	-06°19′25″.5

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M42 again and again

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M42 again and again

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