NGC 6990 Ha+OIII R G B
Technical information
- Telescope/Lens
- Sky-Watcher Black Diamond ED 80
- Camera
- ZWO ASI1600MM Pro
- Mount
- Sky-Watcher AZ-EQ6 GT
- Guide Scope
- Sky-Watcher Black Diamond ED 80
- Guide Camera
- Starlight Xpress Lodestar X2
- Accessories
- Sky-Watcher 0.87x Focal Reducer, Sky-Watcher Off-Axis Guider, Atik Filter Wheel
- Software
- MaxIm DL, CCDStack, StarTools, Fitswork, PixInsight LE
- Location
- Светловодск, Ukraine
Light pollution
Green, Bortle 4 zone
Exposure
- 37 × 300″ · ISO/Gain: 200 · Ha
- 42 × 300″ · ISO/Gain: 200 · OIII
- 40 × 120″ · ISO/Gain: 139 · R
- 40 × 120″ · ISO/Gain: 139 · G
- 40 × 120″ · ISO/Gain: 139 · B
Total exposure: 10 h 35 m
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