Dubhe

Posted: Mar 29th, 2025

Show astrometry on hover

NGC

Technical Info

Telescope/Lens: Sky-Watcher 150/750

Camera: Canon 200 Da

Mount: Sky-Watcher HEQ5 PRO

Software: APT, SharpCap, DeepSkyStacker, FitsWork, FITStacker, Lightroom, StraNet2GUI, Photoshop, Topaz Denoise AI

Accessories: Baader MPCC Mark III, iOptron iPolar, Bahtinov mask

Exposure:

1 x 15" ISO/Gain: 1600

Red zoneLight Pollution:

Chelyabinsk, Russia

Mar 27th, 2025

DUBHE

Telescope/Lens: Sky-Watcher 150/750
Camera: Canon 200 Da
Mount: Sky-Watcher HEQ5 PRO
Software: APT, SharpCap, DeepSkyStacker, FitsWork, FITStacker, Lightroom, StraNet2GUI, Photoshop, Topaz Denoise AI
Accessories: Baader MPCC Mark III, iOptron iPolar, Bahtinov mask

Chelyabinsk, Russia
Light Pollution: Red zone

Exposure:
1 x 15" ISO/Gain: 1600

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

Original size: https://deepskyhosting.com/hWexSFf
Author: googolplexplex

706

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

Resolution: 3415x3558 px

Scale: 1868 KB

googolplexplex

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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.

29 Mar, 2025 Reply

Flotten Replied to Flotten

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

29 Mar, 2025 Reply

Googolplexplex Replied 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.

29 Mar, 2025 Reply

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