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出典:Wikipedia
出典:『Wikipedia』 (2011/04/15 18:48 UTC 版)
NGC 6087 is one of the brightest open clusters in the constellation Norma with a magnitude of 5.4. It is approximately 3500 light-years away and contains about 40 stars of the seventh to the eleventh magnitude, the brightest being 6.5 magnitude S Normae.
NGC 6087