人马三重星云
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标签： sagittarius
NGC 6559： 礁湖星云东侧的天体
2021年10月7日 NGC 6559: East of the Lagoon Image Credit & Copyright: Roberto Sartori Explanation: Slide your telescope just east of the Lagoon Nebula to find this alluring field of view in the rich starfields of the constellation Sagittarius toward the central Milky Way. Of course the Lagoon nebula is also known as M8, the eighth object listed in Charles M...