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Old 08-04-2024, 07:57 PM
Sirius_Skies (Jacob)
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CG4 in HaLRGB

The dark nebula CG4 in the constellation Puppis. This nebula’s "claim to fame" is that is resembles a worm-like creature about to devour a galaxy! (PGC21338). While very much a dark nebula, the presence of H-alpha gives the nebula a distinct red glow that only adds to the character. I recall seeing this property in another dark nebula I imaged in 2022 called LDN1622 (Boogieman nebula). With that in mind, I decided to acquire some H-alpha data, which was then blended into the broadband luminosity data to enhance some of the more H-alpha specific details.
Represented in HaLRGB.

Link to the image in Astrobin (much better resolution) https://www.astrobin.com/sg99yn/

Skywatcher 10" F4 Quattro, Tele Vue Paracorr II coma corrector, NEQ6 mount (hypertuned, belt modded), QHY268M (SGP software), QHYCFW3M (7x36mm), QHYOAG Medium, QHY5-III 178M guide camera (PHD2 guiding), Antlia 3nm H-alpha narrowband filter (36mm unmounted), Antlia RGB filters (36mm unmounted). Stacked/Registered with Deep Sky Stacker/Registar (calibration frames included), post-processing in Photoshop CC.
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  #2  
Old 09-04-2024, 03:34 AM
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joshman (Josh)
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Very nice Jacob!
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Old 09-04-2024, 06:59 AM
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Ryderscope (Rodney)
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An excellent view of this classic object Jacob. Very nicely done
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Old 09-04-2024, 11:44 AM
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Retrograde (Pete)
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Excellent rendition of this object, Jacob!
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Old 09-04-2024, 04:30 PM
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gregbradley
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Very well done.

That turned out well.

I have data like yours as well to process.

Greg.
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Old 09-04-2024, 07:00 PM
Sirius_Skies (Jacob)
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Quote:
Originally Posted by gregbradley View Post
Very well done.

That turned out well.

I have data like yours as well to process.

Greg.
Cool! Look forward to seeing it.
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Old 09-04-2024, 07:48 PM
Dave882 (David)
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That's a fantastic result! I think the combination with the RGB really brings out the darker dusty tones and adds to the overall feel of impending doom... Nice one!
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Old 11-04-2024, 07:57 PM
Sirius_Skies (Jacob)
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Quote:
Originally Posted by Dave882 View Post
That's a fantastic result! I think the combination with the RGB really brings out the darker dusty tones and adds to the overall feel of impending doom... Nice one!
Thanks Dave. Appreciate it.
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