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来自维基百科,自由的百科全书
天鵝座η,又名BD+34 3798,HD 188947、SAO 69116、HR 7615,是天鵝座的一颗恒星[1][2],视星等为3.89,位于銀經71.02,銀緯3.36,其B1900.0坐标为赤經19h 52m 33.2s,赤緯+34° 3.36′ 3″,與輦道增二為同一星。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.