+69° 00′+69° 30′+70° 00′9ʰ 50ᵐ9ʰ 55ᵐ10ʰ 00ᵐBode Galaxy (M 81)Cigar Galaxy (M 82)HD 85743HD 85458HD 85534HD 85161
- Filters
- L1 h 35 minR1 h 30 minG1 h 30 minHα4 h 5 minSII1 h 20 min
- Category
- Galaxy
How it was taken
Capture
- Date
- Exposure
- 10 h
- Frames
- 94
- Field center
- 9ʰ 55ᵐ 36ˢ +69° 22′
- Field of view
- 1.29° × 45′
- Scale
- 0.78″ per pixel
- Rotation
- 287° from north
- Focal length
- 1000 mm, f/5
- Views
- 405
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 81, M 82Each photo is a separate processing
Since 2017, the exposure has grown from 15 min to 11 h 20 min
