{"id":3480,"date":"2026-03-12T09:15:58","date_gmt":"2026-03-12T08:15:58","guid":{"rendered":"https:\/\/www.astro-novinky.eu\/?p=3480"},"modified":"2026-03-12T09:15:58","modified_gmt":"2026-03-12T08:15:58","slug":"na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may","status":"publish","type":"post","link":"https:\/\/www.astro-novinky.eu\/index.php\/2026\/03\/12\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\/","title":{"rendered":"Na ve\u010dern\u00ed obloze sv\u00edt\u00ed zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. \u00dakaz popsal tak\u00e9 Brian May"},"content":{"rendered":"<figure id=\"attachment_3481\" aria-describedby=\"caption-attachment-3481\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3481\" src=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px-300x186.jpg\" alt=\"Ku\u017eel zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla sahaj\u00edc\u00ed a\u017e k oblouku Ml\u00e9\u010dn\u00e9 dr\u00e1hy v b\u0159eznu 2020 (jasn\u00fd objekt je planeta Venu\u0161e). Na obzoru bohu\u017eel z\u00e1\u0159\u00ed tak\u00e9 sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed z m\u011bst, kv\u016fli kter\u00e9mu je pozorov\u00e1n\u00ed zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla \u010d\u00edm d\u00e1l obt\u00ed\u017en\u011bj\u0161\u00ed. Foto: Petr Hor\u00e1lek.\" width=\"300\" height=\"186\" srcset=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px-300x186.jpg 300w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px-1024x634.jpg 1024w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px-768x475.jpg 768w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px-1320x817.jpg 1320w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px.jpg 1500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-3481\" class=\"wp-caption-text\">Ku\u017eel zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla sahaj\u00edc\u00ed a\u017e k oblouku Ml\u00e9\u010dn\u00e9 dr\u00e1hy v b\u0159eznu 2020 (jasn\u00fd objekt je planeta Venu\u0161e). Na obzoru bohu\u017eel z\u00e1\u0159\u00ed tak\u00e9 sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed z m\u011bst, kv\u016fli kter\u00e9mu je pozorov\u00e1n\u00ed zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla \u010d\u00edm d\u00e1l obt\u00ed\u017en\u011bj\u0161\u00ed. Foto: Petr Hor\u00e1lek.<\/figcaption><\/figure>\n<p>V\u00a0t\u011bchto dnech a\u017e do 20. b\u0159ezna lze pozorovat p\u016fsobiv\u00fd jev: zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. Nejl\u00e9pe je vid\u011bt tam, kde je \u010dist\u00fd vzduch a minim\u00e1ln\u00ed um\u011bl\u00e9 osv\u011btlen\u00ed. M\u016f\u017eeme jej spat\u0159it p\u0159ibli\u017en\u011b hodinu po z\u00e1padu Slunce nad z\u00e1padn\u00edm obzorem jako neostr\u00fd b\u00edl\u00fd ku\u017eel sv\u011btla t\u00e1hnouc\u00ed se od obzoru do v\u00fd\u0161ky a\u017e 60\u00b0, kde se nach\u00e1z\u00ed hv\u011bzdokupa Plej\u00e1dy v\u00a0souhv\u011bzd\u00ed B\u00fdka. V\u011bdeck\u00e9mu v\u00fdzkumu tohoto \u00fakazu se v\u011bnoval b\u011bhem sv\u00fdch univerzitn\u00edch studi\u00ed tak\u00e9 Brian May, astrofyzik zn\u00e1m\u00fd jako kytarista skupiny Queen. Ve sm\u011bru zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla je tak\u00e9 k\u00a0vid\u011bn\u00ed jasn\u00e1 planeta Venu\u0161e.<\/p>\n<p><em>Tiskov\u00e1 zpr\u00e1va Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b z 12. b\u0159ezna 2026.<\/em><\/p>\n<p><strong>Zv\u00ed\u0159etn\u00edkov\u00e9 nebo zodiak\u00e1ln\u00ed sv\u011btlo<\/strong> je slune\u010dn\u00ed sv\u011btlo rozpt\u00fdlen\u00e9 na \u010d\u00e1stic\u00edch meziplanet\u00e1rn\u00ed hmoty v\u00a0rovin\u011b ekliptiky. Tyto \u010d\u00e1stice, s rozm\u011bry \u0159\u00e1dov\u011b 0,001 &#8211; 0,1 mm, poch\u00e1zej\u00ed p\u0159edev\u0161\u00edm z ohon\u016f komet, drol\u00edc\u00edch se asteroid\u016f, ale tak\u00e9 z\u00a0\u201epra\u0161n\u00e9\u201c planety Mars. Proto\u017ee jsou rozprost\u0159eny p\u0159edev\u0161\u00edm v rovin\u011b ekliptiky (rovin\u011b, ve kter\u00e9 le\u017e\u00ed zemsk\u00e1 dr\u00e1ha), prom\u00edt\u00e1 se n\u00e1m sv\u011bteln\u00fd ku\u017eel na oblohu do zv\u00ed\u0159etn\u00edkov\u00fdch neboli zodiak\u00e1ln\u00edch souhv\u011bzd\u00ed. Odtud je tedy odvozen n\u00e1zev. V oblastech pobl\u00ed\u017e rovn\u00edku je zodiak\u00e1ln\u00ed sv\u011btlo pozorovateln\u00e9 po cel\u00fd rok, nebo\u0165 nikdy nesv\u00edr\u00e1 s obzorem tak mal\u00fd \u00fahel, aby se ztratilo n\u00edzko nad obzorem. <strong>Z na\u0161ich zem\u011bpisn\u00fdch \u0161\u00ed\u0159ek jej m\u016f\u017eeme nejl\u00e9pe sledovat okolo rovnodennost\u00ed<\/strong>, na ja\u0159e ve\u010der po soumraku nad z\u00e1padn\u00edm obzorem a na podzim naopak na v\u00fdchod\u011b r\u00e1no p\u0159ed rozb\u0159eskem. V t\u011bchto obdob\u00edch toti\u017e rovina ekliptiky v na\u0161ich zem\u011bpisn\u00fdch \u0161\u00ed\u0159k\u00e1ch sv\u00edr\u00e1 s obzorem nejv\u011bt\u0161\u00ed \u00fahel a sv\u011btlo je tak nejv\u00edce z\u0159eteln\u00e9.<\/p>\n<p><strong>Sv\u011btlo fascinovalo lidi u\u017e odnepam\u011bti.<\/strong> Nezvykl\u00fd a neostr\u00fd ku\u017eel sv\u011btla z\u00e1\u0159\u00edc\u00ed zpoza obzoru na jinak hv\u011bzdami poset\u00e9 obloze, viditeln\u00fd po soumraku nad z\u00e1padn\u00edm obzorem \u010di naopak p\u0159ed rozb\u0159eskem na v\u00fdchod\u011b, nem\u011bl dlouh\u00e1 l\u00e9ta jasn\u00e9 v\u011bdeck\u00e9 vysv\u011btlen\u00ed. S n\u00edm pravd\u011bpodobn\u011b p\u0159i\u0161el jako prvn\u00ed a\u017e zn\u00e1m\u00fd italsk\u00fd astronom <em>Giovannni Domenico Cassini<\/em> (1625\u20131712), kter\u00fd v roce 1683 zm\u00ednil teorii o rozptylu slune\u010dn\u00edho sv\u011btla na \u010d\u00e1stic\u00edch prachu. Jin\u00e9 zdroje Cassiniho o toto prvenstv\u00ed p\u0159ipravuj\u00ed a tvrd\u00ed, \u017ee za vysv\u011btlen\u00edm jevu stoj\u00ed \u0161v\u00fdcarsk\u00fd matematik <em>Nicolas Fatio de Duillier<\/em> (1664\u20131753) publikuj\u00edc\u00ed sv\u00e9 pr\u00e1ce jen o rok pozd\u011bji, v roce 1684. A\u0165 tak \u010di onak, o pouh\u00e1 t\u0159i stolet\u00ed pozd\u011bji p\u0159i\u0161la \u00e9ra pokro\u010dil\u00e9 fotografie a prvn\u00ed relativn\u011b p\u011bkn\u00e9 sn\u00edmky ku\u017eelu zodiak\u00e1ln\u00edho sv\u011btla byly na sv\u011bt\u011b. Bohu\u017eel p\u0159em\u00edra \u0161kodliv\u00e9ho sv\u011bteln\u00e9ho smogu z\u00a0m\u011bst se zasadila i o postupn\u00e9 zneviditeln\u011bn\u00ed jevu z mnoha m\u00edst na cel\u00e9m sv\u011bt\u011b.<\/p>\n<figure id=\"attachment_3483\" aria-describedby=\"caption-attachment-3483\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2022_03_02_Thoddoo_Majka_ZL-cut_1500px.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3483\" src=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2022_03_02_Thoddoo_Majka_ZL-cut_1500px-211x300.jpg\" alt=\"Neostr\u00fd ku\u017eel zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla ty\u010d\u00edc\u00ed se nad obzorem po soumraku nad maledivsk\u00fdm ostrovem Thoddoo. Foto: Petr Hor\u00e1lek\/Fyzik\u00e1ln\u00ed \u00fastav v Opav\u011b.\" width=\"300\" height=\"427\" srcset=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2022_03_02_Thoddoo_Majka_ZL-cut_1500px-211x300.jpg 211w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2022_03_02_Thoddoo_Majka_ZL-cut_1500px-720x1024.jpg 720w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2022_03_02_Thoddoo_Majka_ZL-cut_1500px-768x1093.jpg 768w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2022_03_02_Thoddoo_Majka_ZL-cut_1500px.jpg 1054w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-3483\" class=\"wp-caption-text\">Neostr\u00fd ku\u017eel zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla ty\u010d\u00edc\u00ed se nad obzorem po soumraku nad maledivsk\u00fdm ostrovem Thoddoo. Foto: Petr Hor\u00e1lek\/Fyzik\u00e1ln\u00ed \u00fastav v Opav\u011b.<\/figcaption><\/figure>\n<p><strong>V\u00fdznamn\u011b se o popis \u00fakazu zasadil sir <em>Brian May<\/em> (nar. 1947), astrofyzik a kytarista skupiny Queen<\/strong>. Ten za\u010dal ps\u00e1t svou dizerta\u010dn\u00ed pr\u00e1ci o zv\u00ed\u0159etn\u00edkov\u00e9m sv\u011btle b\u011bhem sv\u00fdch studi\u00ed na <em>Imperial College London<\/em> u\u017e na p\u0159elomu 60. a 70. let minul\u00e9ho stolet\u00ed. Zab\u00fdval se v n\u00ed r\u016fzn\u00fdmi rychlostmi \u010d\u00e1stic v\u00a0pra\u0161n\u00e9m disku, kter\u00fd d\u00edky rozptylu slune\u010dn\u00edho z\u00e1\u0159en\u00ed zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo zp\u016fsobuje. Jen\u017ee pr\u00e1v\u011b v t\u00e9 dob\u011b se stala velmi popul\u00e1rn\u00ed skupina Queen, j\u00ed\u017e byl \u010dlenem, a tak studium p\u0159eru\u0161il. K\u00a0dokon\u010den\u00ed pr\u00e1ce se dostal a\u017e po v\u00edce ne\u017e 30 letech! V roce 2007 pr\u00e1ci aktualizoval a \u00fasp\u011b\u0161n\u011b doktor\u00e1t obh\u00e1jil.<\/p>\n<p><strong>Zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo je bohu\u017eel p\u0159ibli\u017en\u011b 70x slab\u0161\u00ed ne\u017e obloha v p\u0159ez\u00e1\u0159en\u00fdch velkom\u011bstech<\/strong>, a proto je nutn\u00e9 se k jeho spat\u0159en\u00ed pozorovac\u00ed m\u00edsto, kde neru\u0161\u00ed ani sv\u011bteln\u00fd smog, ani p\u0159\u00edpadn\u00e1 mlha. Je samoz\u0159ejm\u011b zapot\u0159eb\u00ed jasn\u00e9ho po\u010das\u00ed. V \u010cesk\u00e9 republice se d\u00e1 \u00fakaz sledovat nap\u0159\u00edklad na Vyso\u010din\u011b, \u0160umav\u011b, v\u00a0Novohradsk\u00fdch hor\u00e1ch, v Beskydech, Jesen\u00edk\u00e1ch, na Man\u011bt\u00ednsku \u010di v Orlick\u00fdch a Jizersk\u00fdch hor\u00e1ch (kde jsou oblasti vyhl\u00e1\u0161en\u00e9 jako <a href=\"http:\/\/svetelneznecisteni.cz\/\">Rezervace tmy<\/a>), na Slovensku pak z\u00a0horsk\u00fdch oblast\u00ed jako nap\u0159\u00edklad N\u00edzk\u00e9 Tatry, Ve\u013ek\u00e1 a Mal\u00e1 Fatra, ale i Mur\u00e1\u0148sk\u00e1 planina nebo (p\u0159edev\u0161\u00edm) z\u00a0Parku tmavej oblohy Poloniny. <strong>Pokud se tedy nach\u00e1z\u00edte pobl\u00ed\u017e t\u011bchto oblast\u00ed \u010di prost\u011b obecn\u011b d\u00e1l od velk\u00fdch m\u011bst<\/strong>, m\u016f\u017eete u\u017e v t\u011bchto dnech vyhl\u00ed\u017eet pom\u011brn\u011b v\u00fdrazn\u00fd sv\u011bteln\u00fd ku\u017eel, s\u00e1paj\u00edc\u00ed do v\u00fd\u0161e a\u017e 60\u00b0 nad obzor, a to v dob\u011b, kdy je Slunce ji\u017e d\u00e9le jak hodinu pod obzorem (tedy kolem 19:00 SE\u010c a pozd\u011bji).<\/p>\n<p><strong>Za ide\u00e1ln\u00edch podm\u00ednek<\/strong> (kter\u00e9 panuj\u00ed nap\u0159\u00edklad ve vysokohorsk\u00fdch oblastech v Chile) je mo\u017en\u00e9 spat\u0159it nejen ku\u017eel zodiak\u00e1ln\u00edho sv\u011btla (kter\u00fd je v t\u011bchto oblastech dokonce sp\u00ed\u0161e ru\u0161iv\u00fdm elementem), ale je\u0161t\u011b slab\u0161\u00ed tzv. <em>zodiak\u00e1ln\u00ed most<\/em> spojuj\u00edc\u00ed v\u00fdchodn\u00ed a z\u00e1padn\u00ed zodiak\u00e1ln\u00ed ku\u017eely, \u010di jasn\u011bj\u0161\u00ed m\u00edsto v zodiak\u00e1ln\u00edm most\u011b zvan\u00e9 <em>zodiak\u00e1ln\u00ed protisvit<\/em>. Je to m\u00edsto le\u017e\u00edc\u00ed na opa\u010dn\u00e9 stran\u011b ne\u017e Slunce a \u010d\u00e1stice meziplanet\u00e1rn\u00ed hmoty tam rozptyluj\u00ed nejv\u00edce sv\u011btla, nebo\u0165 jsou \u201ev \u00fapl\u0148ku\u201c. Z\u00a0na\u0161ich kon\u010din se tyto jevy daj\u00ed pozorovat jen jedine\u010dn\u011b, a to sp\u00ed\u0161e fotograficky (p\u0159edev\u0161\u00edm ve zm\u00edn\u011bn\u00fdch oblastech tmav\u00e9 oblohy).<\/p>\n<p><strong>Nejlep\u0161\u00ed obdob\u00ed pro spat\u0159en\u00ed zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla potrv\u00e1 p\u0159ibli\u017en\u011b do 20. b\u0159ezna, tedy do data jarn\u00ed rovnodennosti. Potom ji\u017e za\u010dne M\u011bs\u00edc op\u011bt ru\u0161it sv\u00fdm svitem<\/strong> a zodiak\u00e1ln\u00ed sv\u011btlo p\u0159ez\u00e1\u0159\u00ed. Po setm\u011bn\u00ed nevysoko nad obzorem, v nejjasn\u011bj\u0161\u00ed \u010d\u00e1sti b\u011blav\u00e9ho ku\u017eele, <strong>najdeme tak\u00e9 planetu Venu\u0161i<\/strong>. Vysoko nad ji\u017en\u00edm obzorem v\u00a0souhv\u011bzd\u00ed Bl\u00ed\u017eenc\u016f je rovn\u011b\u017e k\u00a0vid\u011bn\u00ed v\u00fdrazn\u00e1 planeta Jupiter. Zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo pak bude mo\u017en\u00e9 pozorovat je\u0161t\u011b v\u00a0dubnu, konkr\u00e9tn\u011b od 3. do 19. dubna, ale jeho sklon v\u016f\u010di obzoru se bude pomalu zmen\u0161ovat a podm\u00ednky k jeho pozorov\u00e1n\u00ed zhor\u0161ovat.<\/p>\n<figure id=\"attachment_3482\" aria-describedby=\"caption-attachment-3482\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-3482\" src=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a-1024x219.jpg\" alt=\"Panorama p\u00e1su zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla (vpravo a vlevo), zodiak\u00e1ln\u00edho mostu a protisvitu proti dokonale tmav\u00e9 obloze na Havaji a v Chile. Foto: Petr Hor\u00e1lek, Tom\u00e1\u0161 Slovinsk\u00fd\/NOIRLab\/AURA.\" width=\"800\" height=\"171\" srcset=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a-1024x219.jpg 1024w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a-300x64.jpg 300w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a-768x164.jpg 768w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a-1536x328.jpg 1536w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a-2048x438.jpg 2048w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/iotw2225a-1320x282.jpg 1320w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-3482\" class=\"wp-caption-text\">Panorama p\u00e1su zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla (vpravo a vlevo), zodiak\u00e1ln\u00edho mostu a protisvitu proti dokonale tmav\u00e9 obloze na Havaji a v Chile. Foto: Petr Hor\u00e1lek, Tom\u00e1\u0161 Slovinsk\u00fd\/NOIRLab\/AURA.<\/figcaption><\/figure>\n<p><strong>Zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo m\u016f\u017eete samoz\u0159ejm\u011b i fotografovat.<\/strong> Nejl\u00e9pe je pozorovateln\u00e9 p\u0159ibli\u017en\u011b 1-2 hodiny po z\u00e1padu Slunce (zapadne-li tedy Slunce nap\u0159\u00edklad v\u00a018 hodin, sv\u011btlo je nejl\u00e9pe viditeln\u00e9 mezi 19. a 20. hodinou). Nejprve je tedy t\u0159eba pro m\u00edsto pozorov\u00e1n\u00ed zjistit \u010das z\u00e1padu Slunce \u2013 nap\u0159\u00edklad p\u0159es <a href=\"http:\/\/www.timeanddate.com\/sun\">www.timeanddate.com\/sun<\/a>.\u00a0 Podle toho pak sta\u010d\u00ed napl\u00e1novat \u010das vhodn\u00fd pro fotografov\u00e1n\u00ed. D\u016fle\u017eit\u00fd je rovn\u011b\u017e co nejl\u00e9pe odkryt\u00fd z\u00e1padn\u00ed obzor a ide\u00e1ln\u00ed je fotit z vyv\u00fd\u0161eniny nebo kopce. K fotografov\u00e1n\u00ed je nutn\u00fd stativ a velkoform\u00e1tov\u00fd apar\u00e1t (zrcadlovka, bezzrcadlovka; rozhodn\u011b neposta\u010d\u00ed mobil) a sv\u011bteln\u00fd \u0161iroko\u00fahl\u00fd objektiv okolo 15 a\u017e 20 mm. Samotn\u00e9 sn\u00edm\u00e1n\u00ed je pak jednoduch\u00e9 \u2013 po setm\u011bn\u00ed zam\u00ed\u0159it sm\u011brem k z\u00e1padn\u00edmu obzoru a m\u00edt v z\u00e1b\u011bru v\u00edce jak 2\/3 oblohy. Na kr\u00e1tk\u00e9 expozice okolo 15\u201320 sekund p\u0159i vy\u0161\u0161\u00edm ISO a otev\u0159en\u00e9 clon\u011b postupn\u011b fotit no\u010dn\u00ed nebe zaost\u0159en\u00e9 na nekone\u010dno. \u010c\u00edm bude v\u011bt\u0161\u00ed tma, t\u00edm kontrastn\u011bji zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo na sn\u00edmku vynikne jako z\u00e1\u0159iv\u00fd neostr\u00fd ku\u017eel na hv\u011bzdn\u00e9m pozad\u00ed. Na obloze na sn\u00edmc\u00edch najdeme i jasn\u00e9 hv\u011bzdy ze souhv\u011bzd\u00ed B\u00fdka, Orionu nebo (p\u0159i \u0161irok\u00e9m poli) i galaxii v Andromed\u011b. Zku\u0161en\u011bj\u0161\u00ed fotografov\u00e9 mohou zkusit tzv. pointovanou fotografii nebo panoramatick\u00e9 sn\u00edm\u00e1n\u00ed.<\/p>\n<p>Zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo je jedn\u00edm z\u00a0mnoha zaj\u00edmav\u00fdch \u00fakaz\u016f, kter\u00e9 m\u016f\u017eeme v\u00a0pr\u016fb\u011bhu roku 2026 v\u00a0tuzemsku pozorovat. Cel\u00fd seznam nejpozoruhodn\u011bj\u0161\u00edch nebesk\u00fdch jev\u016f, na kter\u00e9 se m\u016f\u017eeme t\u011b\u0161it, najdete na str\u00e1nce <a href=\"https:\/\/progresy.physics.cz\/ukazy-2026\">https:\/\/progresy.physics.cz\/ukazy-2026<\/a>.<\/p>\n<h4>Kontakty a dal\u0161\u00ed informace:<\/h4>\n<p><strong>Bc. Petr Hor\u00e1lek<\/strong><br \/>\n<em>PR v\u00fdstup\u016f evropsk\u00fdch projekt\u016f F\u00da SU v Opav\u011b<\/em><br \/>\nEmail: <a href=\"mailto:petr.horalek@slu.cz\">petr.horalek@slu.cz<\/a><br \/>\nTelefon: +420\u00a0732\u00a0826\u00a0853<\/p>\n<p><strong>RNDr. Tom\u00e1\u0161 Gr\u00e1f,\u00a0Ph.D.<\/strong><strong><br \/>\n<\/strong><em>Fyzik\u00e1ln\u00ed \u00fastav SU v<\/em><em>\u202fOpav<\/em><em>\u011b,<\/em><em>\u00a0vedouc<\/em><em>\u00ed\u00a0observato<\/em><em>\u0159e WHOO! a Unisf<\/em><em>\u00e9ry<\/em><br \/>\nEmail:\u00a0<a href=\"mailto:tomas.graf@fpf.slu.cz\">tomas.graf@fpf.slu.cz<\/a><br \/>\nTelefon: +420\u00a0734\u00a0268 124<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00a0t\u011bchto dnech a\u017e do 20. b\u0159ezna lze pozorovat p\u016fsobiv\u00fd jev: zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. Nejl\u00e9pe je vid\u011bt tam, kde je \u010dist\u00fd vzduch a minim\u00e1ln\u00ed um\u011bl\u00e9 osv\u011btlen\u00ed. M\u016f\u017eeme jej spat\u0159it p\u0159ibli\u017en\u011b hodinu po z\u00e1padu Slunce nad z\u00e1padn\u00edm obzorem jako neostr\u00fd b\u00edl\u00fd ku\u017eel sv\u011btla t\u00e1hnouc\u00ed se od obzoru do v\u00fd\u0161ky a\u017e 60\u00b0, kde se nach\u00e1z\u00ed hv\u011bzdokupa Plej\u00e1dy v\u00a0souhv\u011bzd\u00ed B\u00fdka. V\u011bdeck\u00e9mu v\u00fdzkumu tohoto \u00fakazu se v\u011bnoval b\u011bhem sv\u00fdch univerzitn\u00edch studi\u00ed tak\u00e9 Brian May, astrofyzik zn\u00e1m\u00fd jako kytarista skupiny Queen. Ve sm\u011bru zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla je tak\u00e9 k\u00a0vid\u011bn\u00ed jasn\u00e1 planeta Venu\u0161e.<\/p>\n","protected":false},"author":6,"featured_media":3481,"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-3480","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuality","category-clanky","category-ukazy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Na ve\u010dern\u00ed obloze sv\u00edt\u00ed zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. \u00dakaz popsal tak\u00e9 Brian May - 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\/2026\/03\/12\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Na ve\u010dern\u00ed obloze sv\u00edt\u00ed zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. \u00dakaz popsal tak\u00e9 Brian May - Astro-novinky.eu\" \/>\n<meta property=\"og:description\" content=\"V\u00a0t\u011bchto dnech a\u017e do 20. b\u0159ezna lze pozorovat p\u016fsobiv\u00fd jev: zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. Nejl\u00e9pe je vid\u011bt tam, kde je \u010dist\u00fd vzduch a minim\u00e1ln\u00ed um\u011bl\u00e9 osv\u011btlen\u00ed. M\u016f\u017eeme jej spat\u0159it p\u0159ibli\u017en\u011b hodinu po z\u00e1padu Slunce nad z\u00e1padn\u00edm obzorem jako neostr\u00fd b\u00edl\u00fd ku\u017eel sv\u011btla t\u00e1hnouc\u00ed se od obzoru do v\u00fd\u0161ky a\u017e 60\u00b0, kde se nach\u00e1z\u00ed hv\u011bzdokupa Plej\u00e1dy v\u00a0souhv\u011bzd\u00ed B\u00fdka. V\u011bdeck\u00e9mu v\u00fdzkumu tohoto \u00fakazu se v\u011bnoval b\u011bhem sv\u00fdch univerzitn\u00edch studi\u00ed tak\u00e9 Brian May, astrofyzik zn\u00e1m\u00fd jako kytarista skupiny Queen. Ve sm\u011bru zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla je tak\u00e9 k\u00a0vid\u011bn\u00ed jasn\u00e1 planeta Venu\u0161e.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.astro-novinky.eu\/index.php\/2026\/03\/12\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\/\" \/>\n<meta property=\"og:site_name\" content=\"Astro-novinky.eu\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MinutkyZVesmiru\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-12T08:15:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/03\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Petr Hor\u00e1lek\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Autor\" \/>\n\t<meta name=\"twitter:data1\" content=\"Petr Hor\u00e1lek\" \/>\n\t<meta name=\"twitter:label2\" content=\"Predpokladan\u00fd \u010das \u010d\u00edtania\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 min\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.astro-novinky.eu\\\/index.php\\\/2026\\\/03\\\/12\\\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.astro-novinky.eu\\\/index.php\\\/2026\\\/03\\\/12\\\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\\\/\"},\"author\":{\"name\":\"Petr Hor\u00e1lek\",\"@id\":\"https:\\\/\\\/www.astro-novinky.eu\\\/#\\\/schema\\\/person\\\/e08d879aff20f513b69449c64b529e81\"},\"headline\":\"Na ve\u010dern\u00ed obloze sv\u00edt\u00ed zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. \u00dakaz popsal tak\u00e9 Brian May\",\"datePublished\":\"2026-03-12T08:15:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.astro-novinky.eu\\\/index.php\\\/2026\\\/03\\\/12\\\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\\\/\"},\"wordCount\":1620,\"publisher\":{\"@id\":\"https:\\\/\\\/www.astro-novinky.eu\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.astro-novinky.eu\\\/index.php\\\/2026\\\/03\\\/12\\\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.astro-novinky.eu\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/2020_03_14_ZL_Oheb_Selfie_puv-transformace_1500px.jpg\",\"articleSection\":[\"Aktuality\",\"\u010cl\u00e1nky\",\"\u00dakazy\"],\"inLanguage\":\"sk-SK\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.astro-novinky.eu\\\/index.php\\\/2026\\\/03\\\/12\\\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\\\/\",\"url\":\"https:\\\/\\\/www.astro-novinky.eu\\\/index.php\\\/2026\\\/03\\\/12\\\/na-vecerni-obloze-sviti-zviretnikove-svetlo-ukaz-popsal-take-brian-may\\\/\",\"name\":\"Na ve\u010dern\u00ed obloze sv\u00edt\u00ed zv\u00ed\u0159etn\u00edkov\u00e9 sv\u011btlo. \u00dakaz popsal tak\u00e9 Brian May - 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Na obzoru bohu\u017eel z\u00e1\u0159\u00ed tak\u00e9 sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed z m\u011bst, kv\u016fli kter\u00e9mu je pozorov\u00e1n\u00ed zv\u00ed\u0159etn\u00edkov\u00e9ho sv\u011btla \u010d\u00edm d\u00e1l obt\u00ed\u017en\u011bj\u0161\u00ed. 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