M 31 - Andromeda Galaxy
Photo description / processing
M 31 The Andromeda Galaxy, is the nearest major spiral galaxy to our Milky Way, located about 2.5 million light-years away from Earth. It's diameter is roughly 200'000 light-years.
It contains one trillion stars. At its center lies a supermassive black hole with a mass of roughly 100 million times that of our Sun, surrounded by a very dense and unusual double stellar nucleus.
Technical information
- Telescope/Lens
- Askar SQA85
- Camera
- ZWO ASI 1600MM Pro
- Mount
- SAL-33
- Guide Scope
- SVBONY SV106
- Guide Camera
- ToupTek 678M
- Software
- N.I.N.A., PHD2, Siril, RC-Astro Plugins, Affinity Photo
- Location
- Switzerland
Light pollution
Green, Bortle 4 zone
- Date taken
Exposure
- 104 × 90″ · ISO/Gain: 76 · R ·
- 105 × 90″ · ISO/Gain: 76 · G ·
- 105 × 90″ · ISO/Gain: 76 · B ·
- 108 × 300″ · ISO/Gain: 139 · Ha - 7nm ·
Total exposure: 16 h 51 m
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