2017年IOAA夜间观测第2题-用道布森望远镜观测
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Jingsong Guo(讨论 | 贡献)2019年8月20日 (二) 22:30的版本 (创建页面,内容为“==英文题目== '''N2: Observation with Dobsonian Telescope''' Instruction: Use the Dobsonian Telescope provided to observe only one of the following objects and…”)
英文题目
N2: Observation with Dobsonian Telescope
Instruction: Use the Dobsonian Telescope provided to observe only one of the following objects and focus on selected object.