+60° 50′+61° 00′+61° 10′+61° 20′+61° 30′23ʰ 18ᵐ23ʰ 20ᵐ23ʰ 22ᵐ23ʰ 24ᵐThe Bubble Nebula (NGC 7635)HD 220057
- Filters
- Hα1 h 45 minOIII1 h 35 minSII10 min
- Category
- Nebula
How it was taken
Capture
- Date
- Exposure
- 3 h 30 min
- Frames
- 42
- Field center
- 23ʰ 20ᵐ 44ˢ +61° 11′
- Field of view
- 40′ × 33′
- Scale
- 0.78″ per pixel
- Rotation
- 200° from north
- Focal length
- 1000 mm, f/5
- Views
- 370
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 NGC 7635Each photo is a separate processing
Since 2020, the exposure has grown from 3 h 30 min to 9 h 5 min
