NGC 7789 is an open cluster, was discovered by Caroline Herschel in 1783. credit: Andre van der Hoev
NGC 7789 is an open cluster, was discovered by Caroline Herschel in 1783. credit: Andre van der Hoeven -- source link
#cluster#aglomerado#carolineherschel#astronomer#astronomia#astronomy#star#estrela#gravity#open#aglomeradoaberto#space#espaço#cassiopeia