The Iris Nebula (NGC7023, Caldwell 4) in LRGB
- Resolution:
- 3276x2408 px
- File size:
- 12749 KB
Photo description / processing
75%, crop
Technical information
- Telescope/Lens
- Sky-Watcher 300/1500
- Camera
- ZWO ASI 1600MM-Cool
- Mount
- iOptron CEM70
- Guide Scope
- SW300/1500
- Guide Camera
- ZWO120-mini
- Software
- NINA, ASTAP, MaxIm DL 6.11, FITStacker, PhotoShop
- Location
- Новое Дубовое, Россия
Light pollution
Green, Bortle 4 zone
- Date taken
Exposure
- 40 × 120″ · ISO/Gain: 139 · L
- 20 × 120″ · ISO/Gain: 139 · R
- 20 × 120″ · ISO/Gain: 139 · G
- 20 × 120″ · ISO/Gain: 139 · B
Total exposure: 3 h 20 m
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