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NGC 1291, also known as NGC 1269, is a ring galaxy with an unusual inner bar and outer ring structure located about 33 million light-years away in the constellation Eridanus.〔 It was discovered by James Dunlop in 1826 and subsequently entered into the New General Catalogue as NGC 1291 by Johan Ludvig Emil Dreyer. John Herschel then observed the same object in 1836 and entered it into the catalog as NGC 1269 without realizing that it was a duplicate.〔 This galaxy was cited as an example of a "transitional galaxy" by NASA's Galaxy Evolution Explorer team in 2007. ==Gallery== File:NGC 1291 -HST10402 01 04 -R555GB435.jpg|HST Mosaic File:NGC 1291SST.jpg|SST File:PIA18847-GalaxyNGC1291-IR-SpitzerST-20141022.jpg|SST - IR File:NGC 1291 in UV and Visible Light.jpg|UV vs Visible 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「NGC 1291」の詳細全文を読む スポンサード リンク
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