The Great Orion Nebula (Orion Nebula)
- Resolution:
- 3689x5740 px
- File size:
- 4978 KB
Photo description / processing
Emission-reflection Great Orion Nebula (Messier 42, NGC 1976, Sh-2 281)
De Mairan's emission nebula (Messier 43, NGC 1982) (region of ionized hydrogen H II)
Reflection nebula "Running Man" (NGC 1977) (gas-dust cloud)
Open star cluster NGC 1980 "The Lost Jewel of Orion" (OCL 529, Collinder 72, The Lost Jewel of Orion)
Equipment:
Camera Canon EOS 200 Da.
Tube Synta SkyWatcher 150/750, F/5
Mount HEQ-5 Pro
Bahtinov mask
Polar scope camera iOptron iPolar
Coma corrector Baader MPCC Mark III
Guide scope SVBONY 60/240, F/4
Guide camera ZWO ASI 120 Mini
Flat panel Gemini 190 mm
Capture software:
Astrophotography Tool, SharpCap (polar alignment), EQ-Mode, ASCOM, Cartes Du Ciel, PHD2
Suburb of Chelyabinsk, Starokamyshinsk district
Red light pollution zone. Class 7 on the Bortle scale.
1) Capture session from 08.10.2025, 16 Light frames of 15 seconds each for the central part
ISO 800
2) Capture from 23.10.2026, 73 Light frames of 90 seconds + 15 Dark frames + 20 Bias frames + 20 Flat frames
ISO 800
3) Capture from 07.10.2026, 138 Light frames of 90 seconds + 15 Dark frames + 20 Bias frames + 20 Flat frames
ISO 800
Accumulated signal Σ=5h16'30" - periphery
Accumulated signal Σ=0h4'00" - central part
Post-processing software:
DeepSkyStacker, FitsWork, FITStacker, Siril, Lightroom, StraNet2GUI, Photoshop.
Technical information
- Telescope/Lens
- Sky-Watcher 150/750
- Camera
- Canon 200 Da
- Mount
- Sky-Watcher HEQ5 PRO SynScan
- Guide Scope
- SVBONY 60/240
- Guide Camera
- ZWO ASI 120 Mini
- Accessories
- Baader MPCC Mark III, iOptron iPolar, Bahtinov mask
- Software
- APT, DeepSkyStacker, FitsWork, FITStacker, Lightroom, StraNet2GUI, Photoshop, Topaz Denoise AI
- Location
- Chelyabinsk, Starokamyshinsk, Russia
- Date taken
Exposure
- 73 × 90″ · ISO/Gain: 800 · Периферия
- 138 × 90″ · ISO/Gain: 800 · Периферия
- 16 × 15″ · ISO/Gain: 800 · Для центральной части
Total exposure: 5 h 21 m
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