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Deepsky Top-100 (14): NGC 457, The ET Cluster

When you scan Cassiopeia and its neighbouring constellations with binoculars, the star fields in Cassiopeia seem to be much richer than in Perseus and Cepheus. The reason for this is that in the Perseus and Cepheus Milky Way, large nearby dust clouds of our own spiral arm (the Orion arm) block the view, while in the Cassiopeia Milky Way there are no dust clouds to .........follow this link to read the full story.

Posted by Math on 11/10 at 04:01 AM
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