Checkmark Nebula (M17)
- Date
- 9 October 2024
- Location
- Dark site, Bortle 3
- Telescope / lens
- SVBONY SV503 102ED + SV193 0.8x reducer-flattener
- Camera
- ZWO ASI533MC Pro
- Filters
- Antlia ALP-T (Ha + OIII, 5 nm)
- Integration
- 1.6 h (32 × 180 s)
- Processing
- AstroDiscovery, Foraxx HOO
- Quality
- 95 / 100