M 52 o Messier 52 (noto anche come NGC 7654 o ammasso “Sale e Pepe”) è un ammasso aperto nella costellazione di Cassiopea.
La distanza esatta di questo ammasso dal nostro sistema è stimata tra 3900 e 4900 anni luce, anche se un valore accettato è di circa 4500 anni luce.
20x300s (1h 40m) – Skywatcher PDS250 – EQ6R – Asi 533 – Bortle 6
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