Tags: Galaxy.
Not to be confused with the Sagittarius Dwarf Elliptical Galaxy.The Sagittarius Dwarf Irregular Galaxy or SagDIG is a dwarf galaxy in the constellation of Sagittarius. It lies about 3.4 million light-years away. SagDIG should not be confused with the Sagittarius Dwarf Elliptical Galaxy or SagDEG a satellite galaxy of the Milky Way. It was discovered by Cesarsky et al.