Technical card
Sun in h-alpha
Dates: 21. November 2021
Locations: Horgen/ZH, Switzerland
- Camera: ZWO ASI174MM
- Mount: Skywatcher eqm35
- Telescope: Orion 80
- Filter: Daystar Quark and Daystar UV/IR rejection filter
Exposure Details: 2000x40ms (surface), 1000x150ms (prominences), 500x40ms (flats)
Information from the author
Roughly three quarters of the Sun's mass consists of hydrogen - This picture is a stack of roughly 500 frames of the 2’000 initial batch for the surface and 500/1000 for the prominences - all captured with a H-alpha filter (Hydrogen).