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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Orchard Hill Observatory ： ウィキペディア英語版 Orchard Hill Observatory The Orchard Hill Observatory is an astronomical observatory located at the highest point on the University of Massachusetts Amherst campus. Constructed in 1965, the observatory is a red brick building with a 16 inch Cassegrain reflector optical telescope. It is used for several community events and is regularly open for public viewing on Thursday nights. Originally the observatory was home to a 20” telescope, given to the department by an avid amateur who lived in central Massachusetts. It was a 1/10th scale model (loosely) of a larger 200” scope. Eventually, a crack was spotted during one of the re-aluminizings of the 20” mirror and the scope was no more. In the meantime, the department had been granted money associated with its move from Hasbrouck to the Grad Research Tower to buy a small telescope and put in on top of the GRC. The GRC had a small "isolation" pad built on its roof, which was supposed to be a mount for the scope, which could be accessed via a small open elevator. However, the GRC had terrible noise and gross vibration problems. The isolation pad never worked and there were too many safety concerns about using the roof of the building for observing. A 16" telescope was later bought from Competition Associates (a racing car company). That scope arrived in1976 but because of the problems with using the top of the GRC, the scope was never mounted there. In fact, it sat in the basement of Hasbrouck for perhaps 10 years, becoming known as the "Subterranean Telescope.” This situation finally led to the 20" being dissembled and the 16" scope being moved to Orchard Hill and installed in the dome there. The 16" was a major improvement in usability. As to what happened to the 20", the mirror may have been stored in the Astronomy Research Facility but the drive was most likely not kept. Special thanks to (Professor Thomas Arny ) for much of the recent history of the facility. ==Location== Stated above it says that the observatory is located at the highest point of campus. That being said, it is not that easy to find. The observatory is located through a path that you can find on the northwest side of the living quarters. The entrance is in lot 49 on the west side. There is a small stone walkway that will lead you right up to the building. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Orchard Hill Observatory」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.