Dubhe

googolplexplex

78411

Deep Sky

Mar 29th, 2025

1332

Resolution:: 3415x3558 px
File size:: 1868 KB

Show astrometry on hover

Photo description / processing

Dubhe (α Ursae Majoris, lat. α UMa) Equipment: Canon EOS 200 Da camera. Synta SkyWatcher 150/750 telescope, F/5 HEQ-5 Pro mount iOptron iPolar polar alignment camera Baader MPCC Mark III coma corrector Bahtinov mask Imaging software: Astrophotography Tool SharpCap (polar alignment) EQ-Mode ASCOM Cartes Du Ciel Imaging from 27.03.2025, Kremenkoul area Red light pollution zone. Bortle class 7 Atmospheric haze ISO 1600 Total integrated signal Σ=0h0'15" Post-processing software: DeepSkyStacker FitsWork FITStacker Lightroom StraNet2GUI Photoshop Topaz Denoise AI

Technical information

Telescope/Lens: Sky-Watcher 150/750
Camera: Canon EOS 200D (astro-modified)
Mount: Sky-Watcher HEQ5 Pro
Accessories: Baader MPCC Mark III, iOptron iPolar, Bahtinov Mask
Software: Astro Photography Tool, SharpCap, DeepSkyStacker, Fitswork, FitStacker, Adobe Photoshop Lightroom, StraNet2GUI, Adobe Photoshop, Topaz DeNoise AI

Location: Chelyabinsk, Russia

Light pollution

Red, Bortle 7 zone

Date taken: Mar 26th, 2025

Exposure

1 × 15″ · ISO/Gain: 1600 · Mar 26th, 2025

Total exposure: 0 m

Comments

Flotten

This might just be noise, but I think you've managed to bring out the galaxy to the left of TYC 4145-819.

Mar 29th, 2025

FlottenReply to Flotten

Though I wouldn't use artificial intelligence for noise reduction...

Mar 29th, 2025

googolplexplexReply to Flotten

Well, I think neural networks are quite interesting, but the key is to use them within reasonable limits, otherwise you might get unexpected "artifacts" and overpainting.

Mar 29th, 2025