NGC 2237 (Rosette Nebula)

 Posted: Mar 9th, 2026
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NGC
IC
HD
Technical Info
Telescope/Lens: Sky Watcher 200P/QUATTRO
Camera: ToupTek ATR3 CMOS 26000 KPA
Mount: MT-120
Guide Scope: 60/240
Guide Camera: ZWO ASI 178 MC
Software: N.I.N.A, Siril, PhotoShop
Accessories: 2'' MPCC MEYON
Exposure:
30 x 300" ISO/Gain: 100 - 2'' LAIDA 7nm Dual Band Filter
Yellow, Bortle 5 zone:
 Sterlibashevo, Russia
 Feb 18th, 2026
2 h 30 m
113
Resolution: 6017x3980 px
Scale: 3557 KB
First imaging session in 2026. Winter this year has had no clear weather... It was windy.

Processing in Siril 1.4.2 using scripts: AutoBGE (background), SyQon [Prism (noise), Starless (star separation)], VeraLux [Alchemy (narrowband palette), HyperMetric Stretch (histogram work), Star Composer (stars+nebula)]. For the stars, the NB_2RGB script was used (to give the stars a more natural color based on frames taken with dual-band filters).
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Comments

It turned out really well :)
9 Mar, 2026 Reply
Stb-astro Replied to Robert Nik
Thank you!
9 Mar, 2026 Reply
Oeswww Replied to Robert Nik
Honestly, it's a bit underwhelming. For a Quattro 200 and that camera, the result is pretty weak, especially with a duoband filter. If I manage to get out to Mezmay this week, I'll show you what the shot should look like. I have essentially the same setup—a Quattro (200PDS with a 0.75x reducer) and also a 2600 camera. Although, I do have one 5-minute frame with a hydrogen filter, but that was taken with an FRA500 (91mm x 350mm): https://clck.ru/3ST2dy
10 Mar, 2026 Reply
Robert Nik Replied to Oeswww
Why? It's quite decent. If you don't overdo it with things like blurXterminator, this is the kind of result you get.
And if you don't endlessly extract every tiny speck, as some like to do. For 2.5 hours of integration, it's pretty good.
12 Mar, 2026 Reply

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