M42 The Orion Nebula

Samsonov Aleksandr

23356

Deep Sky

Oct 7th, 2025

527

NGC 1973NGC 1975NGC 1976NGC 1977NGC 1980NGC 1982

Resolution:: 3291x2237 px
File size:: 5414 KB

Show astrometry on hover

Photo description / processing

Tried the HDR script in Siril. Didn't remove the stars beforehand, they got affected too. Halos - on the first night I didn't turn on the fan, the secondary started sweating.

Technical information

Telescope/Lens: Sky-Watcher 150/750PDS
Camera: ZWO ASI294MC Pro
Mount: EQ-5 SynScan
Accessories: TS-Optics GPU 2-inch Coma Corrector
Software: N.I.N.A., DeepSkyStacker, FitStacker, Siril, Adobe Photoshop

Location: Ленинградская область , Россия

Light pollution

Orange, Bortle 6 zone

Date taken: Sep 30th, 2025

Exposure

70 × 60″ · ISO/Gain: 120 · Sep 30th, 2025

Total exposure: 1 h 10 m

Photo versions

Updated

M42 The Orion Nebula

Nov 27th, 2025

8 h 50 m

Added 2-minute exposures.

Current photo

M42 The Orion Nebula

Oct 7th, 2025

1 h 10 m

Tried the HDR script in Siril. Didn't remove the stars beforehand, they got affected too. Halos - on the first night I didn't turn on the fan, the secondary started sweating.

Show changes