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Stock 1 and The Coathanger

Last night I observed two interesting open clusters with the 15x80 binoculars and the Sky Window. At 21.48 UT when I started my observing session, it wasn’t really dark yet, but Collinder 399, also known as “The Coathanger”, was already easy to detect. This fine open cluster in Vulpecala contains .......follow this link to read the full story

Posted by Math on 06/25 at 05:52 AM
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