Horsehead Nebula

Dark nebula "Horsehead Nebula" (Horsehead Nebula, IC 434, Barnard 33) and the ionized hydrogen HII region Emission nebula "Flame Nebula" (Flame Nebula, NGC 2024, Sh2-277, CED 55P) Reflection nebula NGC 2023 (LBN 954) Star Alnitak Zeta Orionis (ζ Ori) Equipment and software: Camera Canon EOS 200 Da. Telescope Synta SkyWatcher 150/750, F/5 Mount HEQ-5 Pro Bahtinov mask Polar alignment camera iOptron iPolar Coma corrector Baader MPCC Mark III Software for imaging: Astrophotography Tool SharpCap (polar alignment) EQ-Mode ASCOM Cartes Du Ciel Imaging from 27.10.2025, suburbs of Chelyabinsk, Starokamyshinsk area Red light pollution zone. Class 7 on the Bortle scale Total 571 Light frames of 15 seconds + 40 Dark frames + 40 Bias frames ISO 3200 Imaging from 18-19.11.2025, suburbs of Chelyabinsk, Starokamyshinsk area Red light pollution zone. Class 7 on the Bortle scale Total 105 Light frames of 15 seconds + 40 Dark frames Total 259 Light frames of 20 seconds + 20 Dark frames + 40 Bias frames ISO 3200 Total accumulated signal Σ=4h15'20" Software for post-processing: DeepSkyStacker FitsWork FITStacker Lightroom StraNet2GUI Photoshop Topaz Denoise AI