M42 in HOO-RGB with 1 second exposures in narrowband, 15 seconds RGB (Uwe Deutermann)

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 Nebula in Orion · Hatysa · M 42 · M 43 · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · Sh2-279 · Sh2-281 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri

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M42 in HOO-RGB with 1 second exposures in narrowband, 15 seconds RGB

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M42 in HOO-RGB with 1 second exposures in narrowband, 15 seconds RGB

Inspired by Johny's attempt to image M42 with very short exposures I decided to try the same and see what I can come up with. Well, the roundness of stars was of course magnificent (naturally 😊), and I can make out the Trapezium when I zoom in on the image, that is great. At 400/360mm the resolution is as expected not comparable to the higher focal lengths. Was an interesting project though, and when the moon is up and shiny it was a good try. I did not use any flats, darks, etc in the processing, and I did not use any guiding either, which was kind of unusual.

I combined the final image with another RGB image (60 seconds exposure times) and overlayed them appropriately.

Florida / Georgia Imagers
Narrowband imaging
Celestron RASA
AstroBin Platform open discussions community forum
ZWO ASI1600MM/QHY163M

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Status	Advanced success
Started	...
Astrometry.net job	3233783
PixInsight job	ZTZJEMVGNBQL2VGXGWQLLL820D6PYXYG
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h35m23s.39
RA (top/left)	05h32m48s.50
RA (top/right)	05h31m53s.55
RA (bottom/right)	05h37m57s.79
RA (bottom/left)	05h38m51s.25

Dec (center)	-05°16′23″.4
Dec (top/left)	-04°12′12″.6
Dec (top/right)	-06°10′13″.7
Dec (bottom/right)	-06°20′35″.9
Dec (bottom/left)	-04°22′32″.4

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M42 in HOO-RGB with 1 second exposures in narrowband, 15 seconds RGB

M42 in HOO-RGB with 1 second exposures in narrowband, 15 seconds RGB

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M42 in HOO-RGB with 1 second exposures in narrowband, 15 seconds RGB

M42 in HOO-RGB with 1 second exposures in narrowband, 15 seconds RGB

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