{"id":1952,"date":"2022-06-09T11:12:16","date_gmt":"2022-06-09T09:12:16","guid":{"rendered":"https:\/\/www.astro-novinky.eu\/?p=1952"},"modified":"2022-06-09T11:12:30","modified_gmt":"2022-06-09T09:12:30","slug":"cervnova-obloha-nabizi-nocni-svitici-oblaky-a-vzacne-seskupeni-planet","status":"publish","type":"post","link":"https:\/\/www.astro-novinky.eu\/index.php\/2022\/06\/09\/cervnova-obloha-nabizi-nocni-svitici-oblaky-a-vzacne-seskupeni-planet\/","title":{"rendered":"\u010cervnov\u00e1 obloha nab\u00edz\u00ed no\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky a vz\u00e1cn\u00e9 seskupen\u00ed planet"},"content":{"rendered":"
\"No\u010dn\u00ed<\/a>
No\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky nad hladinou rybn\u00edku Hr\u00e1dek z 5. \u010dervence 2020. Nej\u010dast\u011bji se no\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaka (zkr\u00e1cen\u011b NLC) vyskytuj\u00ed na severn\u00ed polokouli v t\u00fddnech okolo letn\u00edho slunovratu. Foto: Petr Hor\u00e1lek\/F\u00da v Opav\u011b.<\/figcaption><\/figure>\n

M\u011bs\u00edc \u010derven, vyzna\u010duj\u00edc\u00ed se nejkrat\u0161\u00edmi nocemi, nab\u00edz\u00ed krom\u011b letn\u00edch teplot tak\u00e9 n\u011bkolik nezvykl\u00fdch nebesk\u00fdch \u00fakaz\u016f. U\u017e nyn\u00ed, p\u0159ed\u00a0p\u0159\u00edchodem letn\u00edho slunovratu, kter\u00fd nastane 21. \u010dervna v\u00a011 hodin 14 minut SEL\u010c, se zvy\u0161uje aktivita tzv. no\u010dn\u00edch sv\u00edt\u00edc\u00edch oblak, mimo\u0159\u00e1dn\u011b fotogenick\u00e9ho jevu vysoko v\u00a0zemsk\u00e9 atmosf\u00e9\u0159e. Jen t\u0159i dny na to, 24. \u010dervna, bude mo\u017en\u00e9 na \u010dasn\u00e9 rann\u00ed obloze pozorovat v\u0161ech 5 nejjasn\u011bj\u0161\u00edch planet Slune\u010dn\u00ed soustavy spolu s\u00a0M\u011bs\u00edcem. Planet\u00e1rn\u00ed p\u0159ehl\u00eddka potrv\u00e1 zhruba do konce \u010dervna, no\u010dn\u00ed oblaky se mohou objevovat a\u017e do po\u010d\u00e1tku srpna.<\/p>\n

Vyhl\u00ed\u017eejte nezvykl\u00e9 sv\u00edt\u00edc\u00ed oblaky<\/h4>\n

\u010cervnov\u00e9 (a \u010dervencov\u00e9) noci nab\u00edzej\u00ed v\u00fdhled na nezvykl\u00e9<\/strong> no\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky <\/strong>(NLC \u2013 z\u00a0angl. N<\/strong>octiL<\/strong>ucent C<\/strong>louds). Oproti b\u011b\u017en\u00e9 obla\u010dnosti, kter\u00e1 se nach\u00e1z\u00ed ve v\u00fd\u0161ce maxim\u00e1ln\u011b 15 kilometr\u016f (u bou\u0159kov\u00fdch oblak vz\u00e1cn\u011b a\u017e 20 kilometr\u016f) se no\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky nach\u00e1zej\u00ed v\u00fdrazn\u011b v\u00fd\u0161 \u2013 v\u00a0mezosf\u00e9\u0159e, tedy asi 85 kilometr\u016f nad zemsk\u00fdm povrchem. Vznikaj\u00ed nabalov\u00e1n\u00edm ledov\u00fdch krystalk\u016f na prachov\u00e9 \u010d\u00e1stice<\/strong>, kter\u00e9 v\u00a0t\u00e9to v\u00fd\u0161ce zanechal meteorick\u00fd prach, sope\u010dn\u00e9 erupce (velk\u00fd v\u00fdskyt NLC na po\u010d\u00e1tku leto\u0161n\u00edho roku na ji\u017en\u00ed polokoul\u00ed zp\u016fsobil prach ze sopky Tonga) nebo i pr\u016fmyslov\u00e1 \u010dinnost lid\u00ed. Led se v\u00a0t\u00e9to v\u00fd\u0161ce vytv\u00e1\u0159\u00ed p\u0159edev\u0161\u00edm reakc\u00ed atmosf\u00e9rick\u00e9ho kysl\u00edku s vod\u00edkem pod vlivem slune\u010dn\u00edho z\u00e1\u0159en\u00ed, fotochemick\u00fdm rozpadem metanu, nebo tak\u00e9 z vody, kter\u00e1 je do t\u011bchto v\u00fd\u0161ek vynesena turbulenc\u00ed. \u0158\u00eddk\u00e9 oblaky se vytv\u00e1\u0159ej\u00ed pouze tehdy, je-li v\u00a0mezosf\u00e9\u0159e ust\u00e1len\u00e1 teplota okolo -130\u00b0, co\u017e se odehr\u00e1v\u00e1 v\u00a0obdob\u00ed letn\u00edho slunovratu (na severn\u00ed polokouli tedy v\u00a0t\u00fddnech okolo 21. \u010dervna).<\/p>\n

No\u010dn\u00ed oblaky p\u0159\u00edmo nesv\u00edt\u00ed, ale rozptyluj\u00ed z\u00e1\u0159en\u00ed ze Slunce nach\u00e1zej\u00edc\u00edho se pod obzorem. <\/strong>Proto\u017ee oblaky le\u017e\u00ed ve v\u00fd\u0161ce okolo 85 km, d\u00e1 se snadno spo\u010d\u00edtat, \u017ee Slunce mus\u00ed le\u017eet v\u00a0hloubce asi 6\u00b0-16\u00b0 pod obzorem, tedy v\u00a0dob\u011b, kdy u\u017e je u n\u00e1s hlubok\u00fd soumrak. No\u010dn\u00ed oblaka se proto objevuj\u00ed hlavn\u011b v\u00a0\u010dervnu a v\u00a0prvn\u00ed p\u016fli \u010dervence, a to zejm\u00e9na nad severn\u00edm obzorem pozd\u011b ve\u010der mezi 22. hodinou a p\u016flnoc\u00ed a \u010dasn\u011b r\u00e1no mezi 2. a 4. hodinou. V\u00fdskyt oblak\u016f nen\u00ed ka\u017edou noc jist\u00fd, je proto t\u0159eba neust\u00e1le vyhl\u00ed\u017eet, nebo sledovat webkamery<\/a> sm\u011b\u0159uj\u00edc\u00ed na severn\u00ed obzor. Z\u00e1jemci, kte\u0159\u00ed by o \u00fakaz necht\u011bli p\u0159ij\u00edt, se mohou zaregistrovat k\u00a0odb\u011bru zpr\u00e1v upozor\u0148uj\u00edc\u00edch na viditelnost NLC na str\u00e1nce http:\/\/ukazy.astro.cz\/nlc-registrace.php<\/a>.<\/p>\n

V\u0161echny planety i s\u00a0M\u011bs\u00edcem pohromad\u011b<\/h4>\n
\"V\u0161ech<\/a>
V\u0161ech 5 nejjasn\u011bj\u0161\u00edch planet a M\u011bs\u00edc v jedn\u00e9 linii 24. \u010dervna 2022 na \u010dasn\u00e9 rann\u00ed obloze. Zdroj: Stellarium\/P. Hor\u00e1lek, F\u00da v Opav\u011b.<\/figcaption><\/figure>\n

Na konci \u010dervna n\u00e1s \u010dek\u00e1 opravdu vz\u00e1cn\u00e9 obdob\u00ed<\/strong>, kdy uvid\u00edme v\u0161echny o\u010dima viditeln\u00e9 planety Slune\u010dn\u00ed soustavy a M\u011bs\u00edc v\u00a0jedin\u00fd okam\u017eik<\/strong>. Takov\u00e9 obdob\u00ed nast\u00e1v\u00e1, kdy\u017e se planety p\u0159i pohledu ze Zem\u011b nach\u00e1zej\u00ed \u00fahlov\u011b nep\u0159\u00edli\u0161 daleko od sebe a k\u00a0tomu i obt\u00ed\u017en\u011b pozorovateln\u00e1 planeta Merkur le\u017e\u00ed \u00fahlov\u011b dostate\u010dn\u011b daleko od Slunce (a je mo\u017en\u00e9 ji spat\u0159it na je\u0161t\u011b ne zcela sv\u011btl\u00e9 obloze). Naposledy se na severn\u00ed polokouli uk\u00e1zalo v\u0161ech 5 planet najednou nad obzorem v\u00a0\u010dervenci roku 2020 (ale jen kr\u00e1tce), letos se toho do\u010dk\u00e1me je\u0161t\u011b v prosinci a znovu se situace nezopakuje a\u017e do roku 2036. Velk\u00e1 konjunkce v\u0161ech jasn\u00fdch planet, kdy se planety seskup\u00ed opravdu \u00fahlov\u011b velmi bl\u00edzko sebe, nastane a\u017e 9. z\u00e1\u0159\u00ed 2040. \u00a0Proto spat\u0159it v\u0161ech 5 jasn\u00fdch planet (Merkur, Venu\u0161i, Mars, Jupiter a Saturn) spolu s\u00a0M\u011bs\u00edcem v\u00a0jeden okam\u017eik je\u00a0 dosti vz\u00e1cn\u00fd a velice fotogenick\u00fd moment.<\/strong><\/p>\n

Planet\u00e1rn\u00ed p\u0159ehl\u00eddka bude od n\u00e1s vid\u011bt za pokro\u010dil\u00e9ho rozb\u0159esku. <\/strong>Nejlep\u0161\u00ed viditelnost nast\u00e1v\u00e1 okolo 24. \u010dervna, kdy se na \u010dasnou rann\u00ed oblohu u\u017e do z\u00e1\u0159e rozb\u0159esku \u201evyhoupne\u201c i planeta Merkur (ta u\u017e ale bude kv\u016fli sv\u00edt\u00e1n\u00ed velmi obt\u00ed\u017en\u011b vyhledateln\u00e1). Ve dnech okolo 24. \u010dervna bude na rann\u00ed obloze mezi planetami rovn\u011b\u017e pozvolna proch\u00e1zet M\u011bs\u00edc po posledn\u00ed \u010dtvrti, nab\u00eddne se proto opravdu kompletn\u00ed v\u00fdhled k\u00a0nejjasn\u011bj\u0161\u00edm objekt\u016fm Slune\u010dn\u00ed soustavy. Nejlep\u0161\u00ed podm\u00ednky ke sledov\u00e1n\u00ed t\u00e9to \u201eplanet\u00e1rn\u00ed par\u00e1dy\u201c budou m\u00edt pozorovatel\u00e9 nach\u00e1zej\u00edc\u00ed se okolo rovn\u00edku a na ji\u017en\u00ed zemsk\u00e9 polokouli, odkud se pohled k\u00a0planet\u00e1m nab\u00eddne je\u0161t\u011b na tmav\u00e9 obloze.<\/p>\n

Abyste vid\u011bli opravdu v\u0161ech 5 planet, je zapot\u0159eb\u00ed naj\u00edt m\u00edsto s\u00a0dokonale odkryt\u00fdm severov\u00fdchodn\u00edm a\u017e v\u00fdchodn\u00edm obzorem (ide\u00e1ln\u011b tedy vysoko v\u00a0hor\u00e1ch) a pozorov\u00e1n\u00ed zah\u00e1jit po 3. hodin\u011b rann\u00ed.<\/strong> Merkur bude vych\u00e1zet a\u017e p\u0159ed 4. hodinou rann\u00ed, tedy za pokro\u010dil\u00e9ho sv\u00edt\u00e1n\u00ed. Proto\u017ee ale jeho jasnost bude podobn\u00e1 jako u nejjasn\u011bj\u0161\u00edch hv\u011bzd oblohy, nem\u011bl by b\u00fdt probl\u00e9m jej (v p\u0159\u00edpad\u011b \u010dist\u00e9ho vzduchu v\u00a0atmosf\u00e9\u0159e) naj\u00edt n\u00edzko nad obzorem alespo\u0148 v\u00a0triedru. Ostatn\u00ed planety budou vid\u011bt bez komplikac\u00ed voln\u00fdm okem. Velice jasnou Venu\u0161i p\u0159ehl\u00e9dnout nejde, po M\u011bs\u00edci je nejjasn\u011bj\u0161\u00edm objektem oblohy. Nad v\u00fdchodem najdeme Mars (a okolo 24. \u010dervna tak\u00e9 M\u011bs\u00edc). Po Venu\u0161i a M\u011bs\u00edci t\u0159et\u00ed nejjasn\u011bj\u0161\u00ed objekt planet\u00e1rn\u00ed \u201e\u0161\u0148\u016fry\u201c \u2013 Jupiter \u2013 je rovn\u011b\u017e nep\u0159ehl\u00e9dnuteln\u00fd. Ten u\u017e bude le\u017eet vysoko nad jihov\u00fdchodem. Posledn\u00ed k\u00a0nalezen\u00ed pak bude planeta Saturn (kter\u00e1 ze v\u0161ech planet bude k\u00a0vid\u011bn\u00ed v\u00a0pr\u016fb\u011bhu noci nejd\u00e9le \u2013 vych\u00e1zet bude ji\u017e p\u0159ed p\u016flnoc\u00ed). Kompletn\u00ed planet\u00e1rn\u00ed p\u0159ehl\u00eddka v\u00a0jeden okam\u017eik spolu s\u00a0M\u011bs\u00edcem letos nastane je\u0161t\u011b na konci roku p\u0159ed Silvestrem.<\/p>\n

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

Bc. Petr Hor\u00e1lek<\/strong>
\nPR v\u00fdstup\u016f evropsk\u00fdch projekt\u016f F\u00da SU v Opav\u011b<\/em>
\nEmail: petr.horalek@slu.cz
\n<\/a>Telefon: +420 732 826\u00a0853<\/p>\n

RNDr. Tom\u00e1\u0161 Gr\u00e1f,\u00a0Ph.D.<\/strong>
\nFyzik\u00e1ln\u00ed \u00fastav SU v\u202f<\/em>Opav\u011b,\u00a0vedouc\u00ed\u00a0observato\u0159e WHOO!<\/em>
\nEmail:\u00a0tomas.graf@fpf.slu.cz<\/a>
\nTelefon: +420 553 684\u202f548<\/p>\n

Bc.\u00a0Kl\u00e1ra Jan\u010d\u00edkov\u00e1<\/strong>
\nSekretari\u00e1t Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b<\/em>
\nEmail:\u00a0klara.jancikova@slu.cz
\n<\/a>Telefon: +420 553 684\u00a0267<\/p>\n

doc. RNDr. Gabriel\u00a0T\u00f6r\u00f6k, Ph.D.<\/strong>
\nGarant evropsk\u00e9ho projektu HR\u00a0Award<\/em>
\nEmail:\u00a0gabriel.torok@physics.cz
\n<\/a>Telefon: +420\u00a0737\u00a0928\u00a0755<\/p>\n

Mgr. Debora Lan\u010dov\u00e1<\/strong>
\nFyzik\u00e1ln\u00ed \u00fastav SU v\u00a0Opav\u011b<\/em>
\nEmail:\u00a0debora.lancova@physics.slu.cz
\n<\/a>Telefon: +420\u00a0776\u00a0072\u00a0756<\/p>\n

Souvisej\u00edc\u00ed tiskov\u00e9 zpr\u00e1vy: <\/strong><\/p>\n

[1] Pozoruhodn\u00e9 i vz\u00e1cn\u00e9 nebesk\u00e9 \u00fakazy v\u00a0roce 2022<\/a>
\n[2]\u00a0No\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky \u2013 Upozorn\u011bn\u00ed na \u00fakaz<\/a>
\n[3]\u00a0No\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky \u2013 Online webkamery a aktu\u00e1ln\u00ed v\u00fdskyt<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u011bs\u00edc \u010derven, vyzna\u010duj\u00edc\u00ed se nejkrat\u0161\u00edmi nocemi, nab\u00edz\u00ed krom\u011b letn\u00edch teplot tak\u00e9 n\u011bkolik nezvykl\u00fdch nebesk\u00fdch \u00fakaz\u016f. U\u017e nyn\u00ed, p\u0159ed\u00a0p\u0159\u00edchodem letn\u00edho slunovratu,<\/p>\n","protected":false},"author":6,"featured_media":1953,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[26,27,30],"tags":[],"class_list":["post-1952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuality","category-clanky","category-ukazy"],"yoast_head":"\n\u010cervnov\u00e1 obloha nab\u00edz\u00ed no\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky a vz\u00e1cn\u00e9 seskupen\u00ed planet - 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\/06\/09\/cervnova-obloha-nabizi-nocni-svitici-oblaky-a-vzacne-seskupeni-planet\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u010cervnov\u00e1 obloha nab\u00edz\u00ed no\u010dn\u00ed sv\u00edt\u00edc\u00ed oblaky a vz\u00e1cn\u00e9 seskupen\u00ed planet - Astro-novinky.eu\" \/>\n<meta property=\"og:description\" content=\"M\u011bs\u00edc \u010derven, vyzna\u010duj\u00edc\u00ed se nejkrat\u0161\u00edmi nocemi, nab\u00edz\u00ed krom\u011b letn\u00edch teplot tak\u00e9 n\u011bkolik nezvykl\u00fdch nebesk\u00fdch \u00fakaz\u016f. 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