File:NGC 188, Caldwell 1 (noao0906a).tiff

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Captions

Captions

NGC188 is an open star cluster in the constellation Cepheus.

Summary[edit]

Description
English: NGC188 is an open star cluster in the constellation Cepheus. With a membership of around 120, it may be the oldest known open cluster, although age estimates have varied from as much as 24 billion years (which some may notice is a bit of an anomaly when compared to the current estimates of the age of the Universe), to as `little' as only five billion years. NGC188 was first noticed by John Herschel before 1833. NGC188's most recent claim to fame is as item number 1 in Patrick Moore's Caldwell list of challenging objects for observers bored with the Messier catalogue. This image was taken with the WIYN 0.9-meter telescope at the Kitt Peak National Observatory on the night of December 19th 2002 UT. Image size 21.5 arc minutes.
Date 21 December 2009 (upload date)
Source NGC 188, Caldwell 1
Author NOIRLab/NSF/AURA
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