Galaxy Distance l , b Year Diameter Type Sagittarius (Sgr) 70 000 6,-14 1994 20000 dSph Ursa Major II (UMaII) 100 000 153,+37 2006 1000 dSph Coma Berenices (CBe) 140 000 242,+84 2006 1000 dSph Large Magellanic Cloud (LMC) 170 000 281,-33 ---- 25000 dIrr Small Magellanic Cloud (SMC) 195 000 303,-44 ---- 15000 dIrr Bootes (Boo) 200 000 358,+70 2006 2000 dSph Ursa Minor (UMi) 220 000 105,+45 1954 2000 dSph Sculptor (Scl) 260 000 288,-83 1938 3000 dSph Draco (Dra) 270 000 86,+35 1954 2000 dSph Sextans (Sex) 280 000 243,+42 1990 3000 dSph Ursa Major I (UMaI) 320 000 159,+54 2005 3000 dSph Carina (Car) 330 000 260,-22 1977 2000 dSph Fornax (For) 450 000 237,-66 1938 5000 dSph Hercules (Her) 460 000 29,+37 2006 4000 dSph Canes Venatici II (CVnII) 490 000 114,+83 2006 2000 dSph Leo IV 520 000 265,+57 2006 2000 dSph Leo II 670 000 220,+67 1950 3000 dSph Canes Venatici I (CVnI) 720 000 74,+80 2006 6000 dSph Leo I 815 000 226,+49 1950 3000 dSphApproximate galactocentric distance in light-years
Distance to the Galactic plane.
A brief review of dSph:s