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, Bortle 7 zone:

Chelyabinsk, Russia

Mar 26th, 2025

0 m

813

Resolution: 3415x3558 px

Scale: 1868 KB

googolplexplex

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

Add comment

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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