M17 - The Swan Nebula - 8" ONTC Newtonian - ASI1600MM - SHO - CEM60 - Voyager (Rowland Archer)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Checkmark Nebula · HD168415 · HD168607 · HD168625 · HD168701 · LBN 60 · Lobster Nebula · M 17 · NGC 6618 · Sh2-45 · Swan Nebula · omega Nebula

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M17 - The Swan Nebula - 8" ONTC Newtonian - ASI1600MM - SHO - CEM60 - Voyager

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M17 - The Swan Nebula - 8" ONTC Newtonian - ASI1600MM - SHO - CEM60 - Voyager

Here's my narrowband SHO image of the Swan Nebula, Messier 17. AKA the Omega Nebula, Lobster Nebula and Horseshoe Nebula. That's enough names, thank you

.

It was imaged over five nights between June and July, 2023.

It has relatively strong but differentiated signal strength in all three filters. I used the NBColourMapper process to assign SII to Red,
Ha to Green and OIII to Blue. SPCC with the Narrowband setting produced the blue and grey tones you see here, with a few prominent
yellow stars. I found this color palette to be unusual but pleasing so stuck with it. Prior to using NBCC it was a mostly yellow/golden tone.

Thanks for stopping by - the massive backlog of data processing continues!

Imaged with Voyager
Narrowband imaging
ZWO ASI1600MM/QHY163M

All Images
Messier Catalog
Nebulae

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	8653679
PixInsight job	299V8EF9YFQTWECTQXQK789UGI31G4O5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h21m06s.712
RA (top/left)	18h19m56s.423
RA (top/right)	18h20m02s.332
RA (bottom/right)	18h22m17s.130
RA (bottom/left)	18h22m10s.663

Dec (center)	-16°07′28″.66
Dec (top/left)	-15°45′04″.59
Dec (top/right)	-16°30′54″.12
Dec (bottom/right)	-16°29′47″.79
Dec (bottom/left)	-15°44′04″.41

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M17 - The Swan Nebula - 8" ONTC Newtonian - ASI1600MM - SHO - CEM60 - Voyager

M17 - The Swan Nebula - 8" ONTC Newtonian - ASI1600MM - SHO - CEM60 - Voyager

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M17 - The Swan Nebula - 8" ONTC Newtonian - ASI1600MM - SHO - CEM60 - Voyager

M17 - The Swan Nebula - 8" ONTC Newtonian - ASI1600MM - SHO - CEM60 - Voyager

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