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Astro Photos by Bob Samuel

A cosmic bubble and a cluster

15 Nov 2018, 11:34 UTC
A cosmic bubble and a cluster
(200 words excerpt, click title or image to see full post)

This image shows open cluster M52 in Cassiopeia, along with NGC7635, aka the Bubble Nebula. 16 x 10min H-alpha frames and 12 x 5 min R, G and B frames were combined to produce the image.

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