GRAN CÚMULO DE HÉRCULES, OBJETO MESSIER 13, MESSIER 13, M13 O NGC 6205
GRAN CÚMULO DE HÉRCULES , OBJETO MESSIER 13 , MESSIER 13 , M13 O NGC 6205 http://nova.astrometry.net/user_images/622619#annotated http://nova.astrometry.net/user_images/622618#annotated