M16-M17变星数据
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The original work was published as a paper book by the Perugia University in 1999. Before that, only the variable stars list (coordinates, classifications, periods, epochs, magnitude ranges) was published (P. Maffei, 1975IBVS..985....1M)
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中国科学院国家天文台创建时间:
2017-07-18



