Horsehead Nebula
- Resolution:
- 5910x3863 px
- File size:
- 25272 KB
Photo description / processing
Dust nebula "Horsehead" (Horsehead Nebula, IC 434, Barnard 33) and the region of ionized hydrogen HII
Emission nebula "Flame" or "Torch" (Flame Nebula, NGC 2024, Sh2-277, CED 55P)
Reflection nebula NGC 2023 (LBN 954)
Star Alnitak Zeta Orionis (ζ Ori)
Reflection nebula IC 435 - vdB 57 - Ced 55Q (at the bottom of the frame)
Equipment:
Camera Canon EOS 200 Da.
Tube Synta SkyWatcher 150/750, F/5
Mount HEQ-5 Pro
Bahtinov mask
Camera and polar scope 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
Chelyabinsk Oblast, Etkulsky District
Green light pollution zone. Class 3 on the Bortle scale.
1) Capture on 19.09.2026: 78 Light frames of 90 seconds each + 15 Dark frames + 20 Bias frames + 20 Flat frames
ISO 3200
2) Capture on 10.10.2026: 171 Light frames of 90 seconds each + 15 Dark frames + 20 Bias frames + 20 Flat frames
ISO 3200
Accumulated signal Σ=6h13'00"
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
- Chelyabinskaya oblast', Pisklovo, Russia
Light pollution
Green, Bortle 4 zone
- Date taken
Exposure
- 78 × 90″ · ISO/Gain: 3200
- 171 × 90″ · ISO/Gain: 3200
Total exposure: 6 h 14 m
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