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DOCdb

Deep Sky Observer's Companion – the online database

 

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Seven Sisters of the Pole (1 of 18,816)

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oc gc pln bn dn gx gxcl ast aka lost

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M 7, Ptolemy's Cluster

Imaged by Dany Duprez

Subject: Messier 7

Telescope: 40-cm SCT

Camera: Canon 20DA

Exposure: About 20 minutes

 

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