Horsehead Nebula

Posted: Oct 10th, 2026

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NGC

Technical Info

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

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

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

Exposure:

78 x 90" ISO/Gain: 3200

171 x 90" ISO/Gain: 3200

Green, Bortle 4 zone:

Chelyabinskaya Oblast', Pisklovo, Russia

Oct 10th, 2026

6 h 14 m

Resolution: 5910x3863 px

Scale: 25272 KB

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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.

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