The Sagittarius Dwarf Spheroidal Galaxy, also known as the Sagittarius Dwarf Elliptical Galaxy, is an elliptical loop-shaped satellite galaxy of the Milky Way. It consists of four globular clusters, the main cluster having been discovered in 1994.

Distance to Earth: 65,230 light years

Radius: 5,000 light years

Apparent size (V): 450′.0 × 216′.0

Redshift: 140 ± ? km/s

Notable features: Heading for a collision; with the Milky Way

Did you know: At first, many astronomers thought that the SagDEG had already reached an advanced state of destruction, so that a large part of its original matter was already mixed with that of the Milky Way.