Robert George Harrington and Albert George Wilson. It is one of the satellite galaxies of the Milky Way. DDO 155 DDO 155 (also known as GR 8, PGC 44491 or UGC 8091) is a dwarf irregular galaxy located approximately 7.9 million light years away from Earth in the constellation of Virgo. A nickname for this galaxy, "Imprint of a Foot", is based on its shape. DDO 169 DDO 169 (also known as PGC 46127 or UGC 8331) is a dwarf irregular galaxy in the constellation Canes Venatici. It is one of the members of the M51 Group. DDO 190 DDO 190 (also known as UGC 9240) is a dwarf irregular galaxy which is located in the constellation of Boötes. It is a member of the M94 Group as well. DDO 199 DDO 199 (also known as Ursa Minor Dwarf, PGC 54074 or UGC 9749) is a dwarf spheroidal galaxy which is located in the northern constellation of Ursa Minor. It was discovered in 1955 by an American astronomer Albert George Wilson. It is a satellite of the Milky Way. DDO 210 DDO 210 (also known as Aquarius Dwarf or PGC 65367) is a dwarf irregular galaxy in the constellation of Aquarius. It is a member of the Local Group and lies 3.2 ± 0.2 million light years from the Milky Way. DDO 216 DDO 216 (also known as Pegasus Dwarf Irregular Galaxy, PGC 71538 or UGC 12613) is a dwarf irregular galaxy located in the constellation Pegasus. See also Aquarius Boötes Canes Venatici Cassiopeia Cetus Leo Pegasus Sextans Ursa Major Ursa Minor Virgo Astronomical catalogues of galaxies