Technical card
Cygnus Loop
Dates: 30. May 2021
Locations: Bern City, Switzerland
- Camera: Altair Astro 183C ProTec
- Mount: Ioptron CEM25P
- Telescope: William Optics SpaceCat 51
Exposure Details: 30x300" Altair Astro Quadband Filter, 15x180" RGB
Information from the author
The Cygnus Loop extends over three times the size of the full moon in the night sky. It is around 1,500 light years from Earth. I took this picture on a roof in the middle of a city.