Astronomical radio source

3C 61.1 3C 236 3C 47 3C 449 3C 191 3C 212 SS 433 HE0450-2958 LP 944-20 3C 295 Rosette Nebula Cygnus Loop Circinus X-1 Crab Nebula Arp 87 Lagoon Nebula Arp 55 NE Eagle Nebula Omega Nebula Trifid Nebula Cygnus X-3 DENIS-P J020529.0-115925 DENIS-P J1228.2-1547 Mayall's Object AG Carinae Soul Nebula Eta Carinae Procyon Zeta Puppis DEN 1048-3956 AD Leonis Twin Quasar Celestial Snow Angel astrophysical maser 3C 58 Orion Nebula Messier 43 Messier 49 Whirlpool Galaxy Ring Nebula Messier 58 Messier 60 Messier 61 sunflower Galaxy Black Eye Galaxy Messier 66 Messier 74 Little Dumbbell Nebula Messier 77 Messier 82