Donatiello I is a new dwarf spheroidal galaxy in the outskirts of the Local Group at 3.3 Mpc (10.7 milion light-years) in the Andomeda constellation, at about 1° from Mirach star.
FOV is a cutout of the discovery image. Inset image taken by the spanish 10.4m Gran Telescopio Canarias at La Palma in February 2017.
Martínez-Delgado et al.: Mirach’s Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy (accepted for publication in Astronomy & Astrophysics) ---- Full paper link: https://arxiv.org/abs/1810.04741
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