天鵝座η,又名BD+34 3798,HD 188947、SAO 69116、HR 7615,是天鵝座的一顆恆星[1][2],視星等為3.89,位於銀經71.02,銀緯3.36,其B1900.0坐標為赤經19h 52m 33.2s,赤緯+34° 3.36′ 3″,與輦道增二為同一星。
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