M57 — The Ring

alesterre

751305

Deep Sky

Jun 5th, 2020

2324

Resolution:: 2973x1988 px
File size:: 8752 KB

Photo description / processing

May 22 The background is a bit streaky; I didn't crop it to avoid losing the barely visible outer ring. L: HaRGB R: HaR G: G B: B

Technical information

Telescope/Lens: Sky-Watcher 130PDS
Camera: QHY5III178M Cool
Mount: Sky-Watcher HEQ5 Pro
Guide Scope: SVBONY 60/240
Guide Camera: QHY QHY5L-II-C
Accessories: Baader MPCC Mark III, SVBONY MFW, SVBONY LRGB Filter Set 1.25-inch
Software: Astro Photography Tool, PHD2, Astro Pixel Processor, Adobe Lightroom, RegiStax, Fitswork, GIMP

Location: Старые Кены, Россия

Light pollution

Yellow, Bortle 5 zone

Exposure

50 × 60″ · ISO/Gain: 0 · R
40 × 60″ · ISO/Gain: 0 · G
48 × 60″ · ISO/Gain: 0 · B
30 × 120″ · ISO/Gain: 15 · Ha

Total exposure: 3 h 18 m

Comments

Smirnov Andrey

In the original size, the high-frequency noise on the nebula itself is very noticeable. If you clean it up, the detail won't be degraded, and the impression of the image will be better.
Also, in my opinion, the saturation is overdone.

Jun 6th, 2020