F.PHYSICIST
14th August 2011, 02:22 PM
صورت فلکی برساووش
http://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Perseus_constellation_map.png/250px-Perseus_constellation_map.png
http://www.haftaseman.ir/images/webdb/costper.gif
بِرساوُش یا بَرساووش یا بَرندهٔ سر دیو(به انگلیسی : Perseus) یکی از صورتهای فلکی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B5%25D9%2588%25D8%25B1%25D8%25AA%2 5E2%2580%258C%25D9%2587%25D8%25A7%25DB%258C_%25D9% 2581%25D9%2584%25DA%25A9%25DB%258C)نیمکره شمالی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2586%25DB%258C%25D9%2585%25E2%2580%2 58C%25DA%25A9%25D8%25B1%25D9%2587_%25D8%25B4%25D9% 2585%25D8%25A7%25D9%2584%25DB%258C) دیده میشود. برساووش از ۴۸ صورت فلکی بطلمیوسی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25B5%25D9%2588%25D8 %25B1%25D8%25AA_%25D9%2581%25D9%2584%25DA%25A9%25D B%258C_%25D8%25A8%25D8%25B7%25D9%2584%25D9%2585%25 DB%258C%25D9%2588%25D8%25B3%25DB%258C%26action%3De dit%26redlink%3D1%26preload%3D%25D8%25A7%25D9%2584 %25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%2 5AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D 8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25B3% 25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25D9%2586% 25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25AF%25DB% 258C%26editintro%3D%25D8%25A7%25D9%2584%25DA%25AF% 25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9 %2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25DB%258C%2 5D8%25AA%25E2%2580%258C%25D9%2586%25D9%2588%25D8%2 5AA%25DB%258C%25D8%25B3%26summary%3D%25D8%25A7%25D B%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25DB%258C% 25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%25 84%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D8%25A7%2 5D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C%25D9%258 2%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8% 25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26prefix%3 D%26minor%3D%26create%3D%25D8%25AF%25D8%25B1%25D8% 25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25 D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584 %25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%2 5AF) و ۸۸ صورت فلکی مدرن است. برساووش کمی دورتر و حدودا در قسمت شرقی زن بر زنجیر (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B2%25D9%2586_%25D8%25A8%25D8%25B1_ %25D8%25B2%25D9%2586%25D8%25AC%25DB%258C%25D8%25B1 ) قرار گرفتهاست. است که در ستاره غول (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25BA%25D9%2588%25D9 %2584_%2528%25D8%25B3%25D8%25AA%25D8%25A7%25D8%25B 1%25D9%2587%2529%26action%3Dedit%26redlink%3D1%26p reload%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588% 3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25 AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9 %2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%2 5D9%2588%25D8%25A7%25D9%2586%25E2%2580%258C%25D8%2 5A8%25D9%2586%25D8%25AF%25DB%258C%26editintro%3D%2 5D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A 7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9% 2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25 D8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25E2%2580%25 8C%25D9%2586%25D9%2588%25D8%25AA%25DB%258C%25D8%25 B3%26summary%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8 %25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2B%25D9%258 5%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D9% 2586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7 %25D8%25B1%25DB%258C%25D9%2582%2B%25D8%25A7%25DB%2 58C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%2 5B1%26nosummary%3D%26prefix%3D%26minor%3D%26create %3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25D A%25A9%25D8%25B1%25D8%25AF%25D9%2586%2B%25D9%2585% 25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D8%25 AC%25D8%25AF%25DB%258C%25D8%25AF) ستاره اصلی آنست که ستارهای دوتایی است. هنگامی که یکی از جلوی دیگری میگذرد، ستارهٔ غول تقریباً نیمی از درخشندگیاش را از دست میدهد.[۱] (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A8%25D8%25B1%25D8%25B3%25D8%25A7%2 5D9%2588%25D9%2588%25D8%25B4%23cite_note-0)
این صورت فلکی نقطه نورباران بارش شهابی برساوشی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A8%25D8%25A7%25D8%25B1%25D8%25B4_% 25D8%25B4%25D9%2587%25D8%25A7%25D8%25A8%25DB%258C_ %25D8%25A8%25D8%25B1%25D8%25B3%25D8%25A7%25D9%2588 %25D8%25B4%25DB%258C) است که هر سال در نیمه دوم مرداد ماه با تراکم حدود ۵۰ شهاب در ساعت اتفاق میافتد.
نام و افسانه
نام برساووش از نام یونانی پرسئوس (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%25BE%25D8%25B1%25D8%25B3%25D8%25A6%2 5D9%2588%25D8%25B3) گرفته شده که در اساطیر یونانی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A7%25D8%25B3%25D8%25A7%25D8%25B7%2 5DB%258C%25D8%25B1_%25DB%258C%25D9%2588%25D9%2586% 25D8%25A7%25D9%2586%25DB%258C) قهرمانی است که مدوسا (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2585%25D8%25AF%25D9%2588%25D8%25B3%2 5D8%25A7) را کشت تا شاهزاده آندرو مدا (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A2%25D9%2586%25D8%25AF%25D8%25B1%2 5D9%2588_%25D9%2585%25D8%25AF%25D8%25A7)، دختر کاسیوپه (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25DA%25A9%25D8%25A7%25D8 %25B3%25DB%258C%25D9%2588%25D9%25BE%25D9%2587%26ac tion%3Dedit%26redlink%3D1%26preload%3D%25D8%25A7%2 5D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258 C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9% 2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25 D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25 D9%2586%25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25 AF%25DB%258C%26editintro%3D%25D8%25A7%25D9%2584%25 DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC %25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%2 5A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25D B%258C%25D8%25AA%25E2%2580%258C%25D9%2586%25D9%258 8%25D8%25AA%25DB%258C%25D8%25B3%26summary%3D%25D8% 25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25 DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7 %25D9%2584%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D 8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C% 25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26 prefix%3D%26minor%3D%26create%3D%25D8%25AF%25D8%25 B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8 %25AF%25D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%2 5D9%2584%25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258 C%25D8%25AF) (که نام لاتین ذات الکرسی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B0%25D8%25A7%25D8%25AA_%25D8%25A7% 25D9%2584%25DA%25A9%25D8%25B1%25D8%25B3%25DB%258C) از او گرفته شده) و قیفاووس (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2582%25DB%258C%25D9%2581%25D8%25A7%2 5D9%2588%25D9%2588%25D8%25B3) را از چنگال هیولای دریایی به نام قیطس (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D9%2582%25DB%258C%25D8 %25B7%25D8%25B3%26action%3Dedit%26redlink%3D1%26pr eload%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25 D9%2588%25D8%25A7%25D9%2586%25E2%2580%258C%25D8%25 A8%25D9%2586%25D8%25AF%25DB%258C%26editintro%3D%25 D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7 %25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2 585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D 8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25E2%2580%258 C%25D9%2586%25D9%2588%25D8%25AA%25DB%258C%25D8%25B 3%26summary%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8% 25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585 %25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2 586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7% 25D8%25B1%25DB%258C%25D9%2582%2B%25D8%25A7%25DB%25 8C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25 B1%26nosummary%3D%26prefix%3D%26minor%3D%26create% 3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA %25A9%25D8%25B1%25D8%25AF%25D9%2586%2B%25D9%2585%2 5D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D8%25A C%25D8%25AF%25DB%258C%25D8%25AF) نجات دهد.
ستارهها
http://upload.wikimedia.org/wikipedia/commons/thumb/8/82/%D0%A1%D0%BE%D0%B7%D0%B2%D0%B5%D0%B7%D0%B4%D0%B8%D 0%B5_%D0%9F%D0%B5%D1%80%D1%81%D0%B5%D1%8F._%D0%90% D1%81-%D0%A1%D1%83%D1%84%D0%B8._17%D0%B2_%D0%9D%D0%B0%D1 %86._%D0%91%D0%B8%D0%B1%D0%BB._%D0%9A%D0%B0%D0%B8% D1%80.jpg/270px-%D0%A1%D0%BE%D0%B7%D0%B2%D0%B5%D0%B7%D0%B4%D0%B8%D 0%B5_%D0%9F%D0%B5%D1%80%D1%81%D0%B5%D1%8F._%D0%90% D1%81-%D0%A1%D1%83%D1%84%D0%B8._17%D0%B2_%D0%9D%D0%B0%D1 %86._%D0%91%D0%B8%D0%B1%D0%BB._%D0%9A%D0%B0%D0%B8% D1%80.jpg (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%25BE%25D8%25B1%25D9%2588%25D9%2586%2 5D8%25AF%25D9%2587%3A%25D0%25A1%25D0%25BE%25D0%25B 7%25D0%25B2%25D0%25B5%25D0%25B7%25D0%25B4%25D0%25B 8%25D0%25B5_%25D0%259F%25D0%25B5%25D1%2580%25D1%25 81%25D0%25B5%25D1%258F._%25D0%2590%25D1%2581-%25D0%25A1%25D1%2583%25D1%2584%25D0%25B8._17%25D0% 25B2_%25D0%259D%25D0%25B0%25D1%2586._%25D0%2591%25 D0%25B8%25D0%25B1%25D0%25BB._%25D0%259A%25D0%25B0% 25D0%25B8%25D1%2580.jpg) http://bits.wikimedia.org/skins-1.17/common/images/magnify-clip.png (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%25BE%25D8%25B1%25D9%2588%25D9%2586%2 5D8%25AF%25D9%2587%3A%25D0%25A1%25D0%25BE%25D0%25B 7%25D0%25B2%25D0%25B5%25D0%25B7%25D0%25B4%25D0%25B 8%25D0%25B5_%25D0%259F%25D0%25B5%25D1%2580%25D1%25 81%25D0%25B5%25D1%258F._%25D0%2590%25D1%2581-%25D0%25A1%25D1%2583%25D1%2584%25D0%25B8._17%25D0% 25B2_%25D0%259D%25D0%25B0%25D1%2586._%25D0%2591%25 D0%25B8%25D0%25B1%25D0%25BB._%25D0%259A%25D0%25B0% 25D0%25B8%25D1%2580.jpg)
صورت فلکی برساوش در کتابی از دانشمند ایرانی، عبدالرحمان صوفی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B9%25D8%25A8%25D8%25AF%25D8%25A7%2 5D9%2584%25D8%25B1%25D8%25AD%25D9%2585%25D8%25A7%2 5D9%2586_%25D8%25B5%25D9%2588%25D9%2581%25DB%258C) رازی.
ستاره رأسالغول (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B1%25D8%25A3%25D8%25B3%25E2%2580%2 58C%25D8%25A7%25D9%2584%25D8%25BA%25D9%2588%25D9%2 584) یا بتا برساوش، که از نوع ستاره گرفتی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25B3%25D8%25AA%25D8 %25A7%25D8%25B1%25D9%2587_%25DA%25AF%25D8%25B1%25D 9%2581%25D8%25AA%25DB%258C%26action%3Dedit%26redli nk%3D1%26preload%3D%25D8%25A7%25D9%2584%25DA%25AF% 25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9 %2584%25D9%2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%2 5D8%25AE%25D9%2588%25D8%25A7%25D9%2586%25E2%2580%2 58C%25D8%25A8%25D9%2586%25D8%25AF%25DB%258C%26edit intro%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25 E2%2580%258C%25D9%2586%25D9%2588%25D8%25AA%25DB%25 8C%25D8%25B3%26summary%3D%25D8%25A7%25DB%258C%25D8 %25AC%25D8%25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2 B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%258 7%2B%25D9%2586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B %25D8%25B7%25D8%25B1%25DB%258C%25D9%2582%2B%25D8%2 5A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%2 5AF%25D8%25B1%26nosummary%3D%26prefix%3D%26minor%3 D%26create%3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%2 5AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25D9%2586%2B% 25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587% 2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%25AF) است دارای قدر متغیر مابین ۲/۲ تا ۵/۳ میباشد. این دو ستاره که به فاصله ۱۸ میلیون کیلومتر از یکدیگر قرار گرفتهاند و هر ۲ روز و ۲۰ ساعت گرفتگی در آنها رخ میدهد. رأسالغول یک ستاره آغازین از نوع گرفتی جفتی و از طبقه متغیرهاست، یعنی هریک از این دو ستاره، به تناوب باعث گرفتگی دیگری میشود. رأسالغول ترکیبی از دو ستاره B۸ V با مدار مشترک با ستارهای با طیف G۵ IV و فاصله ۱۰۵ سال نوری است. رأسالغول معمولاً با قدر ۲٫۱ در هر ۲٫۸۷ روز، چشمکزنان ظاهر میشود و سپس برای ۱۰ ساعت ضعیف گردیده و تا قدر ۱۰ ماند یک ستاره G۵ تغییر ممی کند که در واقع از مقابل ستاره B۸ دیگر عبور مینماید.
از دیگر ستارگان قابل توجه این مجموعه میتوان به مرفقالثریا (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2585%25D8%25B1%25D9%2581%25D9%2582%2 5E2%2580%258C%25D8%25A7%25D9%2584%25D8%25AB%25D8%2 5B1%25DB%258C%25D8%25A7) (آلفا برساوش) با قدر ۸/۱ که یک ابرغول زرد با فاصله ۶۰۰ سال نوری است، اشاره کرد. در نزدیکی ستاره کسی برساوش در حدفاصل با اپسیلون میتوان انجیسی۱۴۹۹ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B1%25DB%25B4%25DB%25B9%25DB %25B9%26action%3Dedit%26redlink%3D1%26preload%3D%2 5D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A 7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9% 2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25 D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25 D8%25A7%25D9%2586%25E2%2580%258C%25D8%25A8%25D9%25 86%25D8%25AF%25DB%258C%26editintro%3D%25D8%25A7%25 D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C %25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2 582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D 8%25AF%25DB%258C%25D8%25AA%25E2%2580%258C%25D9%258 6%25D9%2588%25D8%25AA%25DB%258C%25D8%25B3%26summar y%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8% 25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582 %25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2586%25D9%2 588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1% 25DB%258C%25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25 AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosum mary%3D%26prefix%3D%26minor%3D%26create%3D%25D8%25 AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8 %25B1%25D8%25AF%25D9%2586%2B%25D9%2585%25D9%2582%2 5D8%25A7%25D9%2584%25D9%2587%2B%25D8%25AC%25D8%25A F%25DB%258C%25D8%25AF) که همان سحابی کالیفرنیا را که یک سحابی پخشنده (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25B3%25D8%25AD%25D8 %25A7%25D8%25A8%25DB%258C_%25D9%25BE%25D8%25AE%25D 8%25B4%25D9%2586%25D8%25AF%25D9%2587%26action%3Ded it%26redlink%3D1%26preload%3D%25D8%25A7%25D9%2584% 25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25 AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8 %25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25B3%2 5D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25D9%2586%2 5E2%2580%258C%25D8%25A8%25D9%2586%25D8%25AF%25DB%2 58C%26editintro%3D%25D8%25A7%25D9%2584%25DA%25AF%2 5D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A 7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9% 2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25DB%258C%25 D8%25AA%25E2%2580%258C%25D9%2586%25D9%2588%25D8%25 AA%25DB%258C%25D8%25B3%26summary%3D%25D8%25A7%25DB %258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25DB%258C%2 5DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%258 4%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D8%25A7%25 D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C%25D9%2582 %2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%2 5AF%25DA%25AF%25D8%25B1%26nosummary%3D%26prefix%3D %26minor%3D%26create%3D%25D8%25AF%25D8%25B1%25D8%2 5B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25D 9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584% 25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%25 AF) است مشاهده کرد. در فاصله میان دو ستاره آلفا و کای برساوش انجیسی۱۲۴۵ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B1%25DB%25B2%25DB%25B4%25DB %25B5%26action%3Dedit%26redlink%3D1%26preload%3D%2 5D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A 7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9% 2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25 D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25 D8%25A7%25D9%2586%25E2%2580%258C%25D8%25A8%25D9%25 86%25D8%25AF%25DB%258C%26editintro%3D%25D8%25A7%25 D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C %25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2 582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D 8%25AF%25DB%258C%25D8%25AA%25E2%2580%258C%25D9%258 6%25D9%2588%25D8%25AA%25DB%258C%25D8%25B3%26summar y%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8% 25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582 %25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2586%25D9%2 588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1% 25DB%258C%25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25 AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosum mary%3D%26prefix%3D%26minor%3D%26create%3D%25D8%25 AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8 %25B1%25D8%25AF%25D9%2586%2B%25D9%2585%25D9%2582%2 5D8%25A7%25D9%2584%25D9%2587%2B%25D8%25AC%25D8%25A F%25DB%258C%25D8%25AF) وجود دارد که یک خوشه باز است.
یکی از پدیدههای مناسب برای رصد خوشه ام۳۴ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2585%25DB %25B3%25DB%25B4%26action%3Dedit%26redlink%3D1%26pr eload%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25 D9%2588%25D8%25A7%25D9%2586%25E2%2580%258C%25D8%25 A8%25D9%2586%25D8%25AF%25DB%258C%26editintro%3D%25 D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7 %25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2 585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D 8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25E2%2580%258 C%25D9%2586%25D9%2588%25D8%25AA%25DB%258C%25D8%25B 3%26summary%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8% 25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585 %25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2 586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7% 25D8%25B1%25DB%258C%25D9%2582%2B%25D8%25A7%25DB%25 8C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25 B1%26nosummary%3D%26prefix%3D%26minor%3D%26create% 3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA %25A9%25D8%25B1%25D8%25AF%25D9%2586%2B%25D9%2585%2 5D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D8%25A C%25D8%25AF%25DB%258C%25D8%25AF) است که شامل ستارگان کم نور با قدر هشتم است که در فاصله ۱۴۰۰ سال نوری از ما قرار دارد. در بازوهای مارپیچ کهکشان راه شیری دو خوشهٔ انجیسی۸۶۹ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B8%25DB%25B6%25DB%25B9%26ac tion%3Dedit%26redlink%3D1%26preload%3D%25D8%25A7%2 5D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258 C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9% 2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25 D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25 D9%2586%25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25 AF%25DB%258C%26editintro%3D%25D8%25A7%25D9%2584%25 DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC %25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%2 5A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25D B%258C%25D8%25AA%25E2%2580%258C%25D9%2586%25D9%258 8%25D8%25AA%25DB%258C%25D8%25B3%26summary%3D%25D8% 25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25 DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7 %25D9%2584%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D 8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C% 25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26 prefix%3D%26minor%3D%26create%3D%25D8%25AF%25D8%25 B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8 %25AF%25D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%2 5D9%2584%25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258 C%25D8%25AF) و انجیسی۸۸۴ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B8%25DB%25B8%25DB%25B4%26ac tion%3Dedit%26redlink%3D1%26preload%3D%25D8%25A7%2 5D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258 C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9% 2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25 D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25 D9%2586%25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25 AF%25DB%258C%26editintro%3D%25D8%25A7%25D9%2584%25 DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC %25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%2 5A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25D B%258C%25D8%25AA%25E2%2580%258C%25D9%2586%25D9%258 8%25D8%25AA%25DB%258C%25D8%25B3%26summary%3D%25D8% 25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25 DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7 %25D9%2584%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D 8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C% 25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26 prefix%3D%26minor%3D%26create%3D%25D8%25AF%25D8%25 B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8 %25AF%25D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%2 5D9%2584%25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258 C%25D8%25AF) وجود دارد که اولی ۳۰۰ سال نوری و دومی در حدود ۷۵۰۰ سال نوری از ما فاصله دارند. این دو خوشه در بخش فوقانی اتا در حد فاصل با ستاره فی برساوش واقع شدهاند. البته درقسمت میانی برساوش میان ستارگان کای برساووش و نوی آن که یک چندگانه است، نواختر ۱۹۰۱ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D9%2586%25D9%2588%25D8 %25A7%25D8%25AE%25D8%25AA%25D8%25B1_%25DB%25B1%25D B%25B9%25DB%25B0%25DB%25B1%26action%3Dedit%26redli nk%3D1%26preload%3D%25D8%25A7%25D9%2584%25DA%25AF% 25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9 %2584%25D9%2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%2 5D8%25AE%25D9%2588%25D8%25A7%25D9%2586%25E2%2580%2 58C%25D8%25A8%25D9%2586%25D8%25AF%25DB%258C%26edit intro%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25 E2%2580%258C%25D9%2586%25D9%2588%25D8%25AA%25DB%25 8C%25D8%25B3%26summary%3D%25D8%25A7%25DB%258C%25D8 %25AC%25D8%25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2 B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%258 7%2B%25D9%2586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B %25D8%25B7%25D8%25B1%25DB%258C%25D9%2582%2B%25D8%2 5A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%2 5AF%25D8%25B1%26nosummary%3D%26prefix%3D%26minor%3 D%26create%3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%2 5AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25D9%2586%2B% 25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587% 2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%25AF) قرار دارد.
اجرام عمقی آسمان
برساووش به لحاظ استقرار در امتداد کهکشان راه شیری، از نظر ارام عمق آسمان غنی است. hبرساووش(NGC۸۶۹)و همچنین کای برساووش(NGC۸۸۴)یک جفت خوشه باز قدر پنجم هستند که تحت نام ((خوشه دوگانه)) شناخته شده و در فاصله ۷۳۰۰ سال نوری از ما قرار گرفتهاند و با چشم غیر مسلح همانند ستارهای مات به نظر میرسند.m۳۴ هم خوشه دیگری از قدر پنج است.
زمان رسیدن به نصف النهار: ۴ دی
مساحت: ۶۱۵ درجه مربع
معادل لاتین Per
منابع
آکادمی علوم فضایی ایران (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Fwww.iasa.ir%2F)
کتاب صورتهای فلکی نوشته دکتر گری مکلر
↑ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A8%25D8%25B1%25D8%25B3%25D8%25A7%2 5D9%2588%25D9%2588%25D8%25B4%23cite_ref-0) فراس، نایجل، آسمان شب، ترجمهٔ علی رؤوف، معاونت فرهنگی آستان قدس رضوی، چاپ دوم: بهمن ۱۳۶۹. ص۳۰
http://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Perseus_constellation_map.png/250px-Perseus_constellation_map.png
http://www.haftaseman.ir/images/webdb/costper.gif
بِرساوُش یا بَرساووش یا بَرندهٔ سر دیو(به انگلیسی : Perseus) یکی از صورتهای فلکی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B5%25D9%2588%25D8%25B1%25D8%25AA%2 5E2%2580%258C%25D9%2587%25D8%25A7%25DB%258C_%25D9% 2581%25D9%2584%25DA%25A9%25DB%258C)نیمکره شمالی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2586%25DB%258C%25D9%2585%25E2%2580%2 58C%25DA%25A9%25D8%25B1%25D9%2587_%25D8%25B4%25D9% 2585%25D8%25A7%25D9%2584%25DB%258C) دیده میشود. برساووش از ۴۸ صورت فلکی بطلمیوسی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25B5%25D9%2588%25D8 %25B1%25D8%25AA_%25D9%2581%25D9%2584%25DA%25A9%25D B%258C_%25D8%25A8%25D8%25B7%25D9%2584%25D9%2585%25 DB%258C%25D9%2588%25D8%25B3%25DB%258C%26action%3De dit%26redlink%3D1%26preload%3D%25D8%25A7%25D9%2584 %25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%2 5AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D 8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25B3% 25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25D9%2586% 25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25AF%25DB% 258C%26editintro%3D%25D8%25A7%25D9%2584%25DA%25AF% 25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9 %2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25DB%258C%2 5D8%25AA%25E2%2580%258C%25D9%2586%25D9%2588%25D8%2 5AA%25DB%258C%25D8%25B3%26summary%3D%25D8%25A7%25D B%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25DB%258C% 25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%25 84%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D8%25A7%2 5D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C%25D9%258 2%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8% 25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26prefix%3 D%26minor%3D%26create%3D%25D8%25AF%25D8%25B1%25D8% 25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25 D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584 %25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%2 5AF) و ۸۸ صورت فلکی مدرن است. برساووش کمی دورتر و حدودا در قسمت شرقی زن بر زنجیر (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B2%25D9%2586_%25D8%25A8%25D8%25B1_ %25D8%25B2%25D9%2586%25D8%25AC%25DB%258C%25D8%25B1 ) قرار گرفتهاست. است که در ستاره غول (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25BA%25D9%2588%25D9 %2584_%2528%25D8%25B3%25D8%25AA%25D8%25A7%25D8%25B 1%25D9%2587%2529%26action%3Dedit%26redlink%3D1%26p reload%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588% 3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25 AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9 %2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%2 5D9%2588%25D8%25A7%25D9%2586%25E2%2580%258C%25D8%2 5A8%25D9%2586%25D8%25AF%25DB%258C%26editintro%3D%2 5D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A 7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9% 2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25 D8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25E2%2580%25 8C%25D9%2586%25D9%2588%25D8%25AA%25DB%258C%25D8%25 B3%26summary%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8 %25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2B%25D9%258 5%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D9% 2586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7 %25D8%25B1%25DB%258C%25D9%2582%2B%25D8%25A7%25DB%2 58C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%2 5B1%26nosummary%3D%26prefix%3D%26minor%3D%26create %3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25D A%25A9%25D8%25B1%25D8%25AF%25D9%2586%2B%25D9%2585% 25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D8%25 AC%25D8%25AF%25DB%258C%25D8%25AF) ستاره اصلی آنست که ستارهای دوتایی است. هنگامی که یکی از جلوی دیگری میگذرد، ستارهٔ غول تقریباً نیمی از درخشندگیاش را از دست میدهد.[۱] (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A8%25D8%25B1%25D8%25B3%25D8%25A7%2 5D9%2588%25D9%2588%25D8%25B4%23cite_note-0)
این صورت فلکی نقطه نورباران بارش شهابی برساوشی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A8%25D8%25A7%25D8%25B1%25D8%25B4_% 25D8%25B4%25D9%2587%25D8%25A7%25D8%25A8%25DB%258C_ %25D8%25A8%25D8%25B1%25D8%25B3%25D8%25A7%25D9%2588 %25D8%25B4%25DB%258C) است که هر سال در نیمه دوم مرداد ماه با تراکم حدود ۵۰ شهاب در ساعت اتفاق میافتد.
نام و افسانه
نام برساووش از نام یونانی پرسئوس (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%25BE%25D8%25B1%25D8%25B3%25D8%25A6%2 5D9%2588%25D8%25B3) گرفته شده که در اساطیر یونانی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A7%25D8%25B3%25D8%25A7%25D8%25B7%2 5DB%258C%25D8%25B1_%25DB%258C%25D9%2588%25D9%2586% 25D8%25A7%25D9%2586%25DB%258C) قهرمانی است که مدوسا (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2585%25D8%25AF%25D9%2588%25D8%25B3%2 5D8%25A7) را کشت تا شاهزاده آندرو مدا (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A2%25D9%2586%25D8%25AF%25D8%25B1%2 5D9%2588_%25D9%2585%25D8%25AF%25D8%25A7)، دختر کاسیوپه (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25DA%25A9%25D8%25A7%25D8 %25B3%25DB%258C%25D9%2588%25D9%25BE%25D9%2587%26ac tion%3Dedit%26redlink%3D1%26preload%3D%25D8%25A7%2 5D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258 C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9% 2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25 D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25 D9%2586%25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25 AF%25DB%258C%26editintro%3D%25D8%25A7%25D9%2584%25 DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC %25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%2 5A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25D B%258C%25D8%25AA%25E2%2580%258C%25D9%2586%25D9%258 8%25D8%25AA%25DB%258C%25D8%25B3%26summary%3D%25D8% 25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25 DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7 %25D9%2584%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D 8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C% 25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26 prefix%3D%26minor%3D%26create%3D%25D8%25AF%25D8%25 B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8 %25AF%25D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%2 5D9%2584%25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258 C%25D8%25AF) (که نام لاتین ذات الکرسی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B0%25D8%25A7%25D8%25AA_%25D8%25A7% 25D9%2584%25DA%25A9%25D8%25B1%25D8%25B3%25DB%258C) از او گرفته شده) و قیفاووس (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2582%25DB%258C%25D9%2581%25D8%25A7%2 5D9%2588%25D9%2588%25D8%25B3) را از چنگال هیولای دریایی به نام قیطس (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D9%2582%25DB%258C%25D8 %25B7%25D8%25B3%26action%3Dedit%26redlink%3D1%26pr eload%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25 D9%2588%25D8%25A7%25D9%2586%25E2%2580%258C%25D8%25 A8%25D9%2586%25D8%25AF%25DB%258C%26editintro%3D%25 D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7 %25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2 585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D 8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25E2%2580%258 C%25D9%2586%25D9%2588%25D8%25AA%25DB%258C%25D8%25B 3%26summary%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8% 25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585 %25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2 586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7% 25D8%25B1%25DB%258C%25D9%2582%2B%25D8%25A7%25DB%25 8C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25 B1%26nosummary%3D%26prefix%3D%26minor%3D%26create% 3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA %25A9%25D8%25B1%25D8%25AF%25D9%2586%2B%25D9%2585%2 5D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D8%25A C%25D8%25AF%25DB%258C%25D8%25AF) نجات دهد.
ستارهها
http://upload.wikimedia.org/wikipedia/commons/thumb/8/82/%D0%A1%D0%BE%D0%B7%D0%B2%D0%B5%D0%B7%D0%B4%D0%B8%D 0%B5_%D0%9F%D0%B5%D1%80%D1%81%D0%B5%D1%8F._%D0%90% D1%81-%D0%A1%D1%83%D1%84%D0%B8._17%D0%B2_%D0%9D%D0%B0%D1 %86._%D0%91%D0%B8%D0%B1%D0%BB._%D0%9A%D0%B0%D0%B8% D1%80.jpg/270px-%D0%A1%D0%BE%D0%B7%D0%B2%D0%B5%D0%B7%D0%B4%D0%B8%D 0%B5_%D0%9F%D0%B5%D1%80%D1%81%D0%B5%D1%8F._%D0%90% D1%81-%D0%A1%D1%83%D1%84%D0%B8._17%D0%B2_%D0%9D%D0%B0%D1 %86._%D0%91%D0%B8%D0%B1%D0%BB._%D0%9A%D0%B0%D0%B8% D1%80.jpg (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%25BE%25D8%25B1%25D9%2588%25D9%2586%2 5D8%25AF%25D9%2587%3A%25D0%25A1%25D0%25BE%25D0%25B 7%25D0%25B2%25D0%25B5%25D0%25B7%25D0%25B4%25D0%25B 8%25D0%25B5_%25D0%259F%25D0%25B5%25D1%2580%25D1%25 81%25D0%25B5%25D1%258F._%25D0%2590%25D1%2581-%25D0%25A1%25D1%2583%25D1%2584%25D0%25B8._17%25D0% 25B2_%25D0%259D%25D0%25B0%25D1%2586._%25D0%2591%25 D0%25B8%25D0%25B1%25D0%25BB._%25D0%259A%25D0%25B0% 25D0%25B8%25D1%2580.jpg) http://bits.wikimedia.org/skins-1.17/common/images/magnify-clip.png (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%25BE%25D8%25B1%25D9%2588%25D9%2586%2 5D8%25AF%25D9%2587%3A%25D0%25A1%25D0%25BE%25D0%25B 7%25D0%25B2%25D0%25B5%25D0%25B7%25D0%25B4%25D0%25B 8%25D0%25B5_%25D0%259F%25D0%25B5%25D1%2580%25D1%25 81%25D0%25B5%25D1%258F._%25D0%2590%25D1%2581-%25D0%25A1%25D1%2583%25D1%2584%25D0%25B8._17%25D0% 25B2_%25D0%259D%25D0%25B0%25D1%2586._%25D0%2591%25 D0%25B8%25D0%25B1%25D0%25BB._%25D0%259A%25D0%25B0% 25D0%25B8%25D1%2580.jpg)
صورت فلکی برساوش در کتابی از دانشمند ایرانی، عبدالرحمان صوفی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B9%25D8%25A8%25D8%25AF%25D8%25A7%2 5D9%2584%25D8%25B1%25D8%25AD%25D9%2585%25D8%25A7%2 5D9%2586_%25D8%25B5%25D9%2588%25D9%2581%25DB%258C) رازی.
ستاره رأسالغول (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25B1%25D8%25A3%25D8%25B3%25E2%2580%2 58C%25D8%25A7%25D9%2584%25D8%25BA%25D9%2588%25D9%2 584) یا بتا برساوش، که از نوع ستاره گرفتی (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25B3%25D8%25AA%25D8 %25A7%25D8%25B1%25D9%2587_%25DA%25AF%25D8%25B1%25D 9%2581%25D8%25AA%25DB%258C%26action%3Dedit%26redli nk%3D1%26preload%3D%25D8%25A7%25D9%2584%25DA%25AF% 25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9 %2584%25D9%2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%2 5D8%25AE%25D9%2588%25D8%25A7%25D9%2586%25E2%2580%2 58C%25D8%25A8%25D9%2586%25D8%25AF%25DB%258C%26edit intro%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25 E2%2580%258C%25D9%2586%25D9%2588%25D8%25AA%25DB%25 8C%25D8%25B3%26summary%3D%25D8%25A7%25DB%258C%25D8 %25AC%25D8%25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2 B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%258 7%2B%25D9%2586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B %25D8%25B7%25D8%25B1%25DB%258C%25D9%2582%2B%25D8%2 5A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%2 5AF%25D8%25B1%26nosummary%3D%26prefix%3D%26minor%3 D%26create%3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%2 5AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25D9%2586%2B% 25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587% 2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%25AF) است دارای قدر متغیر مابین ۲/۲ تا ۵/۳ میباشد. این دو ستاره که به فاصله ۱۸ میلیون کیلومتر از یکدیگر قرار گرفتهاند و هر ۲ روز و ۲۰ ساعت گرفتگی در آنها رخ میدهد. رأسالغول یک ستاره آغازین از نوع گرفتی جفتی و از طبقه متغیرهاست، یعنی هریک از این دو ستاره، به تناوب باعث گرفتگی دیگری میشود. رأسالغول ترکیبی از دو ستاره B۸ V با مدار مشترک با ستارهای با طیف G۵ IV و فاصله ۱۰۵ سال نوری است. رأسالغول معمولاً با قدر ۲٫۱ در هر ۲٫۸۷ روز، چشمکزنان ظاهر میشود و سپس برای ۱۰ ساعت ضعیف گردیده و تا قدر ۱۰ ماند یک ستاره G۵ تغییر ممی کند که در واقع از مقابل ستاره B۸ دیگر عبور مینماید.
از دیگر ستارگان قابل توجه این مجموعه میتوان به مرفقالثریا (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D9%2585%25D8%25B1%25D9%2581%25D9%2582%2 5E2%2580%258C%25D8%25A7%25D9%2584%25D8%25AB%25D8%2 5B1%25DB%258C%25D8%25A7) (آلفا برساوش) با قدر ۸/۱ که یک ابرغول زرد با فاصله ۶۰۰ سال نوری است، اشاره کرد. در نزدیکی ستاره کسی برساوش در حدفاصل با اپسیلون میتوان انجیسی۱۴۹۹ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B1%25DB%25B4%25DB%25B9%25DB %25B9%26action%3Dedit%26redlink%3D1%26preload%3D%2 5D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A 7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9% 2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25 D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25 D8%25A7%25D9%2586%25E2%2580%258C%25D8%25A8%25D9%25 86%25D8%25AF%25DB%258C%26editintro%3D%25D8%25A7%25 D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C %25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2 582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D 8%25AF%25DB%258C%25D8%25AA%25E2%2580%258C%25D9%258 6%25D9%2588%25D8%25AA%25DB%258C%25D8%25B3%26summar y%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8% 25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582 %25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2586%25D9%2 588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1% 25DB%258C%25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25 AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosum mary%3D%26prefix%3D%26minor%3D%26create%3D%25D8%25 AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8 %25B1%25D8%25AF%25D9%2586%2B%25D9%2585%25D9%2582%2 5D8%25A7%25D9%2584%25D9%2587%2B%25D8%25AC%25D8%25A F%25DB%258C%25D8%25AF) که همان سحابی کالیفرنیا را که یک سحابی پخشنده (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25B3%25D8%25AD%25D8 %25A7%25D8%25A8%25DB%258C_%25D9%25BE%25D8%25AE%25D 8%25B4%25D9%2586%25D8%25AF%25D9%2587%26action%3Ded it%26redlink%3D1%26preload%3D%25D8%25A7%25D9%2584% 25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25 AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8 %25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25B3%2 5D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25D9%2586%2 5E2%2580%258C%25D8%25A8%25D9%2586%25D8%25AF%25DB%2 58C%26editintro%3D%25D8%25A7%25D9%2584%25DA%25AF%2 5D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A 7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9% 2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25DB%258C%25 D8%25AA%25E2%2580%258C%25D9%2586%25D9%2588%25D8%25 AA%25DB%258C%25D8%25B3%26summary%3D%25D8%25A7%25DB %258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25DB%258C%2 5DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%258 4%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D8%25A7%25 D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C%25D9%2582 %2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%2 5AF%25DA%25AF%25D8%25B1%26nosummary%3D%26prefix%3D %26minor%3D%26create%3D%25D8%25AF%25D8%25B1%25D8%2 5B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25D 9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584% 25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%25 AF) است مشاهده کرد. در فاصله میان دو ستاره آلفا و کای برساوش انجیسی۱۲۴۵ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B1%25DB%25B2%25DB%25B4%25DB %25B5%26action%3Dedit%26redlink%3D1%26preload%3D%2 5D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A 7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9% 2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25 D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25 D8%25A7%25D9%2586%25E2%2580%258C%25D8%25A8%25D9%25 86%25D8%25AF%25DB%258C%26editintro%3D%25D8%25A7%25 D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C %25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2 582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D 8%25AF%25DB%258C%25D8%25AA%25E2%2580%258C%25D9%258 6%25D9%2588%25D8%25AA%25DB%258C%25D8%25B3%26summar y%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8% 25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582 %25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2586%25D9%2 588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1% 25DB%258C%25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25 AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosum mary%3D%26prefix%3D%26minor%3D%26create%3D%25D8%25 AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8 %25B1%25D8%25AF%25D9%2586%2B%25D9%2585%25D9%2582%2 5D8%25A7%25D9%2584%25D9%2587%2B%25D8%25AC%25D8%25A F%25DB%258C%25D8%25AF) وجود دارد که یک خوشه باز است.
یکی از پدیدههای مناسب برای رصد خوشه ام۳۴ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2585%25DB %25B3%25DB%25B4%26action%3Dedit%26redlink%3D1%26pr eload%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%25D8%25AE%25 D9%2588%25D8%25A7%25D9%2586%25E2%2580%258C%25D8%25 A8%25D9%2586%25D8%25AF%25DB%258C%26editintro%3D%25 D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7 %25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2 585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D 8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25E2%2580%258 C%25D9%2586%25D9%2588%25D8%25AA%25DB%258C%25D8%25B 3%26summary%3D%25D8%25A7%25DB%258C%25D8%25AC%25D8% 25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2B%25D9%2585 %25D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D9%2 586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B%25D8%25B7% 25D8%25B1%25DB%258C%25D9%2582%2B%25D8%25A7%25DB%25 8C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%25AF%25D8%25 B1%26nosummary%3D%26prefix%3D%26minor%3D%26create% 3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%25AA%2B%25DA %25A9%25D8%25B1%25D8%25AF%25D9%2586%2B%25D9%2585%2 5D9%2582%25D8%25A7%25D9%2584%25D9%2587%2B%25D8%25A C%25D8%25AF%25DB%258C%25D8%25AF) است که شامل ستارگان کم نور با قدر هشتم است که در فاصله ۱۴۰۰ سال نوری از ما قرار دارد. در بازوهای مارپیچ کهکشان راه شیری دو خوشهٔ انجیسی۸۶۹ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B8%25DB%25B6%25DB%25B9%26ac tion%3Dedit%26redlink%3D1%26preload%3D%25D8%25A7%2 5D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258 C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9% 2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25 D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25 D9%2586%25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25 AF%25DB%258C%26editintro%3D%25D8%25A7%25D9%2584%25 DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC %25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%2 5A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25D B%258C%25D8%25AA%25E2%2580%258C%25D9%2586%25D9%258 8%25D8%25AA%25DB%258C%25D8%25B3%26summary%3D%25D8% 25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25 DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7 %25D9%2584%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D 8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C% 25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26 prefix%3D%26minor%3D%26create%3D%25D8%25AF%25D8%25 B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8 %25AF%25D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%2 5D9%2584%25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258 C%25D8%25AF) و انجیسی۸۸۴ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D8%25A7%25D9%2586%25E2 %2580%258C%25D8%25AC%25DB%258C%25E2%2580%258C%25D8 %25B3%25DB%258C%25DB%25B8%25DB%25B8%25DB%25B4%26ac tion%3Dedit%26redlink%3D1%26preload%3D%25D8%25A7%2 5D9%2584%25DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258 C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25D9%2585%25D9% 2582%25D8%25A7%25D9%2584%25D9%2587%2F%25D8%25A7%25 D8%25B3%25D8%25AA%25D8%25AE%25D9%2588%25D8%25A7%25 D9%2586%25E2%2580%258C%25D8%25A8%25D9%2586%25D8%25 AF%25DB%258C%26editintro%3D%25D8%25A7%25D9%2584%25 DA%25AF%25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC %25D8%25A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%2 5A7%25D9%2584%25D9%2587%2F%25D8%25A7%25D8%25AF%25D B%258C%25D8%25AA%25E2%2580%258C%25D9%2586%25D9%258 8%25D8%25AA%25DB%258C%25D8%25B3%26summary%3D%25D8% 25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%2B%25 DB%258C%25DA%25A9%2B%25D9%2585%25D9%2582%25D8%25A7 %25D9%2584%25D9%2587%2B%25D9%2586%25D9%2588%2B%25D 8%25A7%25D8%25B2%2B%25D8%25B7%25D8%25B1%25DB%258C% 25D9%2582%2B%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%25DA%25AF%25D8%25B1%26nosummary%3D%26 prefix%3D%26minor%3D%26create%3D%25D8%25AF%25D8%25 B1%25D8%25B3%25D8%25AA%2B%25DA%25A9%25D8%25B1%25D8 %25AF%25D9%2586%2B%25D9%2585%25D9%2582%25D8%25A7%2 5D9%2584%25D9%2587%2B%25D8%25AC%25D8%25AF%25DB%258 C%25D8%25AF) وجود دارد که اولی ۳۰۰ سال نوری و دومی در حدود ۷۵۰۰ سال نوری از ما فاصله دارند. این دو خوشه در بخش فوقانی اتا در حد فاصل با ستاره فی برساوش واقع شدهاند. البته درقسمت میانی برساوش میان ستارگان کای برساووش و نوی آن که یک چندگانه است، نواختر ۱۹۰۱ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fw%2Findex.php%3Ftitle%3D%25D9%2586%25D9%2588%25D8 %25A7%25D8%25AE%25D8%25AA%25D8%25B1_%25DB%25B1%25D B%25B9%25DB%25B0%25DB%25B1%26action%3Dedit%26redli nk%3D1%26preload%3D%25D8%25A7%25D9%2584%25DA%25AF% 25D9%2588%3A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25 A7%25D8%25AF%2B%25D9%2585%25D9%2582%25D8%25A7%25D9 %2584%25D9%2587%2F%25D8%25A7%25D8%25B3%25D8%25AA%2 5D8%25AE%25D9%2588%25D8%25A7%25D9%2586%25E2%2580%2 58C%25D8%25A8%25D9%2586%25D8%25AF%25DB%258C%26edit intro%3D%25D8%25A7%25D9%2584%25DA%25AF%25D9%2588%3 A%25D8%25A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25A F%2B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9% 2587%2F%25D8%25A7%25D8%25AF%25DB%258C%25D8%25AA%25 E2%2580%258C%25D9%2586%25D9%2588%25D8%25AA%25DB%25 8C%25D8%25B3%26summary%3D%25D8%25A7%25DB%258C%25D8 %25AC%25D8%25A7%25D8%25AF%2B%25DB%258C%25DA%25A9%2 B%25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%258 7%2B%25D9%2586%25D9%2588%2B%25D8%25A7%25D8%25B2%2B %25D8%25B7%25D8%25B1%25DB%258C%25D9%2582%2B%25D8%2 5A7%25DB%258C%25D8%25AC%25D8%25A7%25D8%25AF%25DA%2 5AF%25D8%25B1%26nosummary%3D%26prefix%3D%26minor%3 D%26create%3D%25D8%25AF%25D8%25B1%25D8%25B3%25D8%2 5AA%2B%25DA%25A9%25D8%25B1%25D8%25AF%25D9%2586%2B% 25D9%2585%25D9%2582%25D8%25A7%25D9%2584%25D9%2587% 2B%25D8%25AC%25D8%25AF%25DB%258C%25D8%25AF) قرار دارد.
اجرام عمقی آسمان
برساووش به لحاظ استقرار در امتداد کهکشان راه شیری، از نظر ارام عمق آسمان غنی است. hبرساووش(NGC۸۶۹)و همچنین کای برساووش(NGC۸۸۴)یک جفت خوشه باز قدر پنجم هستند که تحت نام ((خوشه دوگانه)) شناخته شده و در فاصله ۷۳۰۰ سال نوری از ما قرار گرفتهاند و با چشم غیر مسلح همانند ستارهای مات به نظر میرسند.m۳۴ هم خوشه دیگری از قدر پنج است.
زمان رسیدن به نصف النهار: ۴ دی
مساحت: ۶۱۵ درجه مربع
معادل لاتین Per
منابع
آکادمی علوم فضایی ایران (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Fwww.iasa.ir%2F)
کتاب صورتهای فلکی نوشته دکتر گری مکلر
↑ (http://www.njavan.com/forum/redirector.php?url=http%3A%2F%2Ffa.wikipedia.org%2 Fwiki%2F%25D8%25A8%25D8%25B1%25D8%25B3%25D8%25A7%2 5D9%2588%25D9%2588%25D8%25B4%23cite_ref-0) فراس، نایجل، آسمان شب، ترجمهٔ علی رؤوف، معاونت فرهنگی آستان قدس رضوی، چاپ دوم: بهمن ۱۳۶۹. ص۳۰