M110

dwarf elliptical galaxy · satellite of Andromeda

2.73 million light-years from Earth

A dwarf elliptical galaxy that orbits Andromeda. Messier saw it in 1773 and included it in his drawing of Andromeda but never listed it; Caroline Herschel found it on her own in 1783, and it was given the number 110 only in 1967. Unlike most of its kind it holds dust and young stars near its centre.

• 2.73 million light-years · about 17,000 light-years across
• about 130,000 to 190,000 light-years behind Andromeda

kind

galaxy

catalogue

M110 · NGC 205

size

17,400 light-years across