Previous Picture NGC7789 Next Picture
Exposure 3 x 240 sec
Film Pentax ist DS
Telescope/Lens Stellarvue EDT 622mm/f6,1
Processing Adobe Photoshop
Date 2005.10.24
Comments A compact and rich open cluster in Cassiopeia. NGC7789 is old for being an open cluster or about 1.5 billion years, there are few young blue stars left in this cluster.

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