Endeavour
28-01-2014, 23:44
Se confermata sarebbe la quarta supernova osservata nella galassia M99, dopo quelle del 1967, 1972 e 1986.
http://remanzacco.blogspot.co.uk/2014/01/possible-supernova-in-m99-galaxy.html?m=1
http://remanzacco.blogspot.co.uk/2014/01/possible-supernova-in-m99-galaxy.html?m=1