M110 — Andromeda’s satellite galaxy
A small dwarf elliptical galaxy, satellite of the Andromeda Galaxy, imaged with a telescope.
View photos ↓- Object type
- Dwarf elliptical galaxy
- Constellation
- Andromeda
- Designation
- M110 (NGC 205)
- Distance
- ≈ 2.2 million light-years
- Apparent magnitude
- 8.1
- Apparent size
- ≈ 21.9 x 11 arcmin
- Best season
- Autumn / Winter (best visibility in October-November)
M110 (NGC 205) is a dwarf elliptical galaxy, a satellite of the Andromeda Galaxy (M31) to which it is gravitationally bound. Unlike most elliptical galaxies, it shows traces of dust and recent star formation, a peculiarity that still puzzles astronomers.
Much more discreet than its giant neighbor, it appears here as a diffuse, elongated glow with no distinct structure, typical of elliptical galaxies.
Captured with the Sky-Watcher Explorer 150/750 PDS telescope mounted on the EQ6-R Pro and a ZWO ASI 294 MC Pro camera, processed in PixInsight.
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