Similar to NGC_4030
NGC 7635
Bubble Nebula
M52 (天体)
Messier 52
NGC 7662
NGC 7662
NGC 7742
NGC 7742NGC 7790
NGC 7790
NGC 7793
NGC 7793NGC 7814
NGC 7814NGC 5315
NGC 50
NGC 50NGC 51
NGC 51NGC 52
NGC 52NGC 53
NGC 53NGC 54
NGC 54NGC 63
NGC 63NGC 252
NGC 252NGC 1360
NGC 1360
NGC 2169
NGC 2169