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Astro Photos by Bob Samuel

Five for the Price of One!

29 Jan 2017, 14:45 UTC
Five for the Price of One!
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Continuing the exploration of HII regions in the Sharpless catalog, here are Sh2-254, 255, 256, 257 and 258 are lurking together in Orion’s arm, close to the border with Gemini, as shown on the accompanying map. This was 15 x 10min Ha, and 9 x 3min R, G and B, all binned 2×2.

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