- Filters
- L25 minR30 minG20 minB20 minHα2 hOIII1 h 50 minSII45 min
- Category
- Nebula
How it was taken
Capture
- Date
- Exposure
- 6 h 10 min
- Frames
- 74
- Field center
- 19ʰ 59ᵐ 37ˢ +22° 43′
- Field of view
- 46′ × 33′
- Scale
- 0.54″ per pixel
- Rotation
- 31° from north
- Focal length
- 1000 mm, f/5
- Views
- 375
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 27Each photo is a separate processing
Since 2015, the exposure has grown from 30 min to 6 h 10 min
