{"id":1987,"date":"2022-07-31T12:41:43","date_gmt":"2022-07-31T10:41:43","guid":{"rendered":"https:\/\/www.astro-novinky.eu\/?p=1987"},"modified":"2022-07-31T12:41:43","modified_gmt":"2022-07-31T10:41:43","slug":"uvidime-letos-meteoricky-roj-perseidy","status":"publish","type":"post","link":"https:\/\/www.astro-novinky.eu\/index.php\/2022\/07\/31\/uvidime-letos-meteoricky-roj-perseidy\/","title":{"rendered":"Uvid\u00edme letos meteorick\u00fd roj Perseidy?"},"content":{"rendered":"
\"Maximum<\/a>
Maximum roje Perseid nad Se\u010dskou
p\u0159ehradou. Foto: Petr Hor\u00e1lek.<\/figcaption><\/figure>\n

Ka\u017edoro\u010dn\u00ed obl\u00edben\u00fd meteorick\u00fd roj bude vrcholit 13. srpna okolo 3. hodiny rann\u00ed, co\u017e je pro Evropany dokonal\u00fd \u010das. Bohu\u017eel mimo\u0159\u00e1dn\u011b nev\u00fdhodn\u00e1 je f\u00e1ze M\u011bs\u00edce \u2013 n\u00e1\u0161 kosmick\u00fd souputn\u00edk bude v \u00fapl\u0148ku den p\u0159ed maximem roje (nav\u00edc p\u016fjde o \u00fahlov\u011b v\u011bt\u0161\u00ed a jasn\u011bj\u0161\u00ed \u00fapln\u011bk), a bude tedy velmi v\u00fdrazn\u011b ru\u0161it sv\u00fdm svitem, i kdy\u017e v n\u00edzk\u00fdch ekliptik\u00e1rn\u00edch souhv\u011bzd\u00edch.<\/p>\n

Perseidy ale nel\u00e9taj\u00ed jen v noc maxima, ve skute\u010dnosti jsou aktivn\u00ed u\u017e nyn\u00ed a vzr\u016fst jejich aktivity je pozvoln\u00fd (zat\u00edmco sp\u00e1d po maximu celkem prudk\u00fd). Pokud tedy lid\u00e9 cht\u011bj\u00ed uvid\u011bt Perseidy na tmav\u00e9, M\u011bs\u00edcem (ale i m\u011bsty) neru\u0161en\u00e9 obloze s n\u011bjakou vy\u0161\u0161\u00ed \u010detnost\u00ed, nejlep\u0161\u00ed bude je vyhl\u00ed\u017eet p\u0159ibli\u017en\u011b ode dn\u011b\u0161ka p\u0159ibli\u017en\u011b do 10. srpna, v\u017edy v \u010dasn\u00fdch rann\u00edch hodin\u00e1ch (zejm\u00e9na od 3. hodiny do \u00fasvitu, kdy souhv\u011bzd\u00ed Persea stoup\u00e1 vysoko nad obzor). Tehdy bude M\u011bs\u00edc je\u0161t\u011b zapadat za tmy. Pochopiteln\u011b na sledov\u00e1n\u00ed meteor\u016f je t\u0159eba odjet co nejd\u00e1l od velk\u00fdch aglomerac\u00ed, ide\u00e1ln\u011b do hor s perfektn\u00edm rozhledem.<\/p>\n

Na pozorov\u00e1n\u00ed nen\u00ed nutn\u00fd dalekohled, meteory vyl\u00e9taj\u00ed n\u00e1hodn\u011b po cel\u00e9 obloze, nejl\u00e9pe se tak pozoruj\u00ed vle\u017ee nap\u0159\u00edklad v leh\u00e1tku nebo spac\u00e1ku pouh\u00fdm sledov\u00e1n\u00edm (jasn\u00e9ho) nebe. Z\u00e1jemc\u016fm o fotografov\u00e1n\u00ed sta\u010d\u00ed nechat apar\u00e1t upevn\u011bn\u00fd na stativu s \u0161iroko\u00fahl\u00fdm objektivem (zcela odclon\u011bn\u00fdm) sn\u00edmat sekven\u010dn\u011b, zejm\u00e9na po p\u016flnoci a v \u010dasn\u00fdch rann\u00edch hodnin\u00e1ch p\u0159ed rob\u0159eskem, kdy meteor\u016f l\u00e9t\u00e1 nejv\u00edce.<\/p>\n

\"Celono\u010dn\u00ed<\/a>
Celono\u010dn\u00ed mozaika roje Perseidy z roku 2018 zachycen\u00e1 z Parku tmav\u00e9 oblohy
Poloniny na Slovensku. Foto: Petr Hor\u00e1lek.<\/figcaption><\/figure>\n

Perseidy jsou meteorick\u00fd roj zn\u00e1m\u00fd u\u017e z poloviny 3. stolet\u00ed na\u0161eho letopo\u010dtu v souvislosti s umu\u010den\u00edm svat\u00e9ho Vav\u0159ince (~230-258). Ten byl jedn\u00edm z c\u00edrkevn\u00edch hodnost\u00e1\u0159\u016f str\u00e1\u017e\u00edc\u00edch majetek v \u0158\u00edmsk\u00e9 \u0159\u00ed\u0161i. P\u0159i pron\u00e1sledov\u00e1n\u00ed K\u0159es\u0165an\u016f pr\u00fd neuposlechl p\u0159\u00edkaz krut\u00e9ho \u0159\u00edmsk\u00e9ho c\u00edsa\u0159e Valeri\u00e1na odevzdat c\u00edrkevn\u00ed majetek vl\u00e1dci a rad\u011bji jej rozdal chud\u00fdm. N\u011bkolik dn\u00ed po jeho poprav\u011b 10. srpna 258 podle lid\u00ed z no\u010dn\u00edho nebe padaly t\u0159pytiv\u00e9 slzy a od t\u00e9to ud\u00e1losti jsou Perseidy lidov\u011b zn\u00e1m\u00e9 jako \u201eslzy svat\u00e9ho Vav\u0159ince\u201c.<\/p>\n

P\u016fvodem Perseid je prach z periodick\u00e9 komety 109P Swift-Tuttle, objeven\u00e9 dv\u011bma americk\u00fdmi astronomy v roce 1862. Kometa s periodou 134 let se naposledy u Slunce objevila v roce 1992. Znovu se k n\u011bmu p\u0159ibl\u00ed\u017e\u00ed a\u017e v roce 2126. Pravideln\u011b n\u00e1m ji ale p\u0159ipom\u00edn\u00e1 roj Perseidy t\u00edm, jak Zem\u011b ka\u017ed\u00fd rok mezi 17. \u010dervencem a 24. srpnem proch\u00e1z\u00ed na sv\u00e9 dr\u00e1ze skrze prachov\u00fd proud rozpt\u00fdlen\u00fd za kometou. Prachov\u00e9 \u010d\u00e1stice zvan\u00e9 meteoroidy se st\u0159et\u00e1vaj\u00ed se Zem\u00ed a v atmosf\u00e9\u0159e zaz\u00e1\u0159\u00ed jako meteory (lidov\u011b \u201epadaj\u00edc\u00ed hv\u011bzdy\u201c). Proto\u017ee tyto \u010d\u00e1stice maj\u00ed rozm\u011bry zpravidla men\u0161\u00ed ne\u017e zrnka p\u00edsku a jsou slo\u017eeny z k\u0159ehk\u00e9ho komet\u00e1rn\u00edho materi\u00e1lu, p\u0159i pr\u016fletu zemskou atmosf\u00e9rou se zcela vypa\u0159\u00ed.<\/p>\n

Leto\u0161n\u00ed rok je\u0161t\u011b nab\u00eddne v \u010cesku dal\u0161\u00ed zaj\u00edmav\u00e9 nebesk\u00e9 \u00fakazy, do\u010dk\u00e1me se nap\u0159\u00edklad zatm\u011bn\u00ed Slunce nebo vz\u00e1cn\u00e9ho z\u00e1krytu Marsu M\u011bs\u00edcem. Bli\u017e\u0161\u00ed informace v p\u0159ehledov\u00e9m \u010dl\u00e1nku: http:\/\/progresy.physics.cz\/2021\/11\/21\/pozoruhodne-i-vzacne-nebeske-ukazy-v-roce-2022\/<\/a><\/span><\/p>\n

Kontakty a dal\u0161\u00ed informace:<\/h4>\n

Mgr. Petr Hor\u00e1lek<\/strong>
\nPR v\u00fdstup\u016f evropsk\u00fdch projekt\u016f F\u00da SU v Opav\u011b,<\/em>
\n\u010dlen fotografick\u00e9 expedice NOIRLab<\/em>
\nEmail: petr.horalek@slu.cz
\n<\/a>Telefon: +420\u00a0732\u00a0826\u00a0853<\/p>\n

RNDr. Tom\u00e1\u0161 Gr\u00e1f, Ph.D.<\/strong>
\nProd\u011bkan pro strategie a rozvoj,
\nF\u00da S\u00da v Opav\u011b<\/em>
\nEmail: tomas.graf@fpf.slu.cz<\/a>
\nTelefon: +420\u00a0734 268 124<\/p>\n","protected":false},"excerpt":{"rendered":"

Ka\u017edoro\u010dn\u00ed obl\u00edben\u00fd meteorick\u00fd roj bude vrcholit 13. srpna okolo 3. hodiny rann\u00ed, co\u017e je pro Evropany dokonal\u00fd \u010das. Bohu\u017eel mimo\u0159\u00e1dn\u011b nev\u00fdhodn\u00e1 je f\u00e1ze M\u011bs\u00edce \u2013 n\u00e1\u0161 kosmick\u00fd souputn\u00edk bude v \u00fapl\u0148ku den p\u0159ed maximem roje (nav\u00edc p\u016fjde o \u00fahlov\u011b v\u011bt\u0161\u00ed a jasn\u011bj\u0161\u00ed \u00fapln\u011bk), a bude tedy velmi v\u00fdrazn\u011b ru\u0161it sv\u00fdm svitem, i kdy\u017e v n\u00edzk\u00fdch ekliptik\u00e1rn\u00edch souhv\u011bzd\u00edch.<\/p>\n","protected":false},"author":6,"featured_media":1416,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","video_url":"","footnotes":""},"categories":[26,27,30],"tags":[],"class_list":["post-1987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuality","category-clanky","category-ukazy"],"yoast_head":"\nUvid\u00edme letos meteorick\u00fd roj Perseidy? - Astro-novinky.eu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.astro-novinky.eu\/index.php\/2022\/07\/31\/uvidime-letos-meteoricky-roj-perseidy\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uvid\u00edme letos meteorick\u00fd roj Perseidy? - Astro-novinky.eu\" \/>\n<meta property=\"og:description\" content=\"Ka\u017edoro\u010dn\u00ed obl\u00edben\u00fd meteorick\u00fd roj bude vrcholit 13. srpna okolo 3. hodiny rann\u00ed, co\u017e je pro Evropany dokonal\u00fd \u010das. 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