NGC 1052-DF2 is an ultra diffuse galaxy in the constellation Cetus, which was identified in a wide-field imaging survey of the NGC 1052 group by the Dragonfly Telephoto Array. It has been proposed that the galaxy contains little or no dark matter, the first such discovery.

Distance to Earth: 61.97 million light years

Apparent mass: ~0.2 billion M☉

Distance (comoving): 19.0 ± 1.7 Mpc (62.0 ± 5.5 Mly)

Apparent size (V): 1.20′ × 1.12′

Constellation: Cetus

Right ascension: 02^h 41^m 46.8^s