Whirlpool Galaxy Messier 51
Photo description / processing
Spiral galaxy Whirlpool Messier 51 (Whirlpool Galaxy NGC 5194, PGC 47404, M51a)
Dwarf companion galaxy NGC 5195 Messier 51b
Equipment:
Camera Canon EOS 200 Da.
Telescope Synta SkyWatcher 150/750, F/5
Mount HEQ-5 Pro
Polar alignment camera iOptron iPolar
Coma corrector Baader MPCC Mark III
Bahtinov mask
Imaging software:
Astrophotography Tool
SharpCap (polar alignment)
EQ-Mode
ASCOM
Cartes Du Ciel
Imaging from 6-7.05.2025 Kremenkul area
Red zone light pollution. Class 7 on the Bortle scale
Imaged with Moon phase=0.71
593 Light frames at 15 seconds + 100 Dark frames + 100 Bias frames
ISO 1600
Total integrated exposure Σ=2h28'15"
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, DeepSkyStacker, Fitswork, FitStacker, Adobe Photoshop Lightroom, StraNet2GUI, Adobe Photoshop, Topaz DeNoise AI
- Location
- Chelyabinsk, Russia
Light pollution
Red, Bortle 7 zone
- Date taken
Exposure
- 593 × 15″ · ISO/Gain: 1600 ·
Total exposure: 2 h 28 m









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