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sterrenstelsel in Cassiopeia Van Wikipedia, de vrije encyclopedie
NGC 657 is een open sterrenhoop in het sterrenbeeld Cassiopeia. Het hemelobject werd op 28 november 1831 ontdekt door de Britse astronoom John Herschel.
NGC 657 | ||||
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Sterrenbeeld Cassiopeia | ||||
Type | Open sterrenhoop | |||
NGC | NGC 657 | |||
Rechte klimming | 01u43m20,0s | |||
Declinatie (Epoche 2000) |
+55° 50′ 00″ | |||
Magnitude | 6,5 mag | |||
Schijnbare afmeting | 7,0' × 7,0' | |||
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