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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 Caldwell catalogue ： ウィキペディア英語版 Caldwell catalogue The Caldwell Catalogue is an astronomical catalog of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers. The list was compiled by Patrick Moore as a complement to the Messier Catalogue.〔 While the Messier Catalogue is used by amateur astronomers as a list of deep-sky objects for observation, Moore noted that Mesier's list did not include many of the sky's brightest deep-sky objects,〔 such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). Moore also observed that since Messier compiled his list from observations in Paris, it did not include bright deep-sky objects visible in the Southern Hemisphere, such as Omega Centauri, Centaurus A, the Jewel Box, and 47 Tucanae.〔(【引用サイトリンク】 url=http://www.astroleague.org/al/obsclubs/caldwell/cldwl.html )〕 Moore compiled a list of 109 objects – to match the commonly accepted number of Messier objects (110 minus the duplicate 102 acknowledged by Méchain)〔 – and the list was published in Sky & Telescope in December 1995.〔 〕 Moore used his other surname (Caldwell) to name the list, as the first letter of "Moore" is already used for the Messier Catalogue.〔 Entries in the catalogue are designated with a "C" and the catalogue number (1 to 109). Unlike objects in the Messier catalogue, which are listed roughly in the order of discovery by Messier and his colleagues, the Caldwell catalogue is ordered by declination, with C1 being the most northerly and C109 being the most southerly,〔 although two objects (NGC 4244 and the Hyades) are listed out of sequence.〔 Other errors in the original list have since been corrected: it incorrectly identified the S Norma Cluster (NGC 6087) as NGC 6067 and incorrectly labelled the Lambda Centauri Cluster (IC 2944) as the Gamma Centauri Cluster.〔 == Caldwell Star Chart == 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「Caldwell catalogue」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.