(https://1.bp.blogspot.com/-QqdyF3DDKTs/XPqhZoMlC2I/AAAAAAAAMXI/h3UzKH_V3aoin2ST061blAo1q2Gop8KQACKgBGAs/s320/M%2B55.jpg)
Más información en:
https://observandoeluniverso.blogspot.com/2019/06/cumulo-globular-messier-55.html (https://observandoeluniverso.blogspot.com/2019/06/cumulo-globular-messier-55.html)
saludos
Javi