−5° 45′−5° 30′−5° 15′−5° 00′5ʰ 33ᵐ5ʰ 34ᵐ5ʰ 35ᵐ5ʰ 36ᵐ5ʰ 37ᵐOrion Nebula (M 42)θ1 Ori A / 41 Ori A · Trapeziumθ2 Ori / 43 Ori · Mizan Batil IIθ1 Ori C / 41 Ori Cθ1 Ori D / 41 Ori DNGC 1982
- Filters
- Hα2 h 10 minOIII2 hSII2 h
- Category
- Nebula
How it was taken
Capture
- Date
- Exposure
- 6 h 10 min
- Frames
- 37
- Field center
- 5ʰ 35ᵐ 16ˢ −5° 24′
- Field of view
- 60′ × 44′
- Scale
- 0.78″ per pixel
- Rotation
- 19° from north
- Focal length
- 1000 mm, f/5
- Views
- 341
Equipment
- Telescope
- Sky-Watcher BK2001P
- Camera
- ASI ZWO 1600MM Pro
- Mount
- Sky-Watcher HEQ5 Pro
- Filter
- ZWO L, R, G, B, Ha, OIII, SII (1.25")
- Filter wheel
- ZWO EFW 8x31mm
- Focuser
- ZWO EAF
- Guide scope
- Sky-Watcher 9x50 Finder
- Guide camera
- ASI 120mm
Shooting history of M 42Each photo is a separate processing
Since 2017, the exposure has grown from 43 min to 6 h 10 min
