Cygnus X-1
[af] Cygnus X-1
[ar] الدجاجة X-1
[ast] Cygnus X-1
[br] Cygnus X-1
[ca] Cygnus X-1
[cs] Cygnus X-1
[de] Cygnus X-1
[es] Cygnus X-1
[eu] Cygnus X-1
[fa] ماکیان ایکس یک