{"id":2283,"date":"2023-02-07T06:41:48","date_gmt":"2023-02-07T05:41:48","guid":{"rendered":"https:\/\/www.astro-novinky.eu\/?p=2283"},"modified":"2023-02-07T12:56:11","modified_gmt":"2023-02-07T11:56:11","slug":"kometa-ztf-mezi-nebeskymi-vozy-snimek-fyzikalniho-ustavu-v-opave-publikovala-nasa","status":"publish","type":"post","link":"https:\/\/www.astro-novinky.eu\/index.php\/2023\/02\/07\/kometa-ztf-mezi-nebeskymi-vozy-snimek-fyzikalniho-ustavu-v-opave-publikovala-nasa\/","title":{"rendered":"Kometa ZTF mezi \u201enebesk\u00fdmi vozy\u201c. Sn\u00edmek Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b publikovala NASA"},"content":{"rendered":"<div class=\"mceTemp\">\n<p><a href=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_1500px.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2284\" src=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_1500px-200x300.png\" alt=\"Sn\u00edmek \u201eKometa a dva vozy\u201c. Foto: Petr Hor\u00e1lek\/Fyzik\u00e1ln\u00ed \u00fastav v Opav\u011b.\" width=\"200\" height=\"300\" srcset=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_1500px-200x300.png 200w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_1500px-683x1024.png 683w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_1500px-768x1152.png 768w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_1500px.png 1000w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/p>\n<p>Sn\u00edmek \u201eKometa a dva vozy\u201c. Foto: Petr Hor\u00e1lek\/Fyzik\u00e1ln\u00ed \u00fastav v Opav\u011b.V \u00fater\u00fd 7. \u00fanora 2023 publikoval americk\u00fd \u00fa\u0159ad NASA jako presti\u017en\u00ed Astronomick\u00fd sn\u00edmek dne fotografii s\u00a0n\u00e1zvem \u201eA Comet and Two Dippers\u201c (Kometa a dva vozy), jeho\u017e autorem je Petr Hor\u00e1lek z\u00a0Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b. Sn\u00edmek vznikl 26. ledna 2023 ve Vysok\u00fdch Tatr\u00e1ch, kam se autor sn\u00edmku vydal za jasn\u00fdm po\u010das\u00edm nad hladinu inverze pozorovat kometu C\/2022 E3 ZTF. Kometa se v\u00a0t\u00e9 dob\u011b nach\u00e1zela mezi fotogenick\u00fdmi hv\u011bzdn\u00fdmi uskupen\u00edmi \u201eMal\u00e9ho\u201c a Velk\u00e9ho vozu\u201c.<\/p>\n<p><em>Tiskov\u00e1 zpr\u00e1va Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b ze 7. \u00fanora 2023.<\/em><\/p>\n<p><strong>Sn\u00edmek vznikl na odbo\u010dce k\u00a0Popradsk\u00e9mu plesu na silni\u010dn\u00ed magistr\u00e1le Vysok\u00fdch Tater okolo druh\u00e9 hodiny rann\u00ed.<\/strong> Autor nasn\u00edmal celkem 90 jednotliv\u00fdch p\u016flminutov\u00fdch expozic sv\u011bteln\u00fdm teleobjektivem na plnoform\u00e1tov\u00fd tzv. modifikovan\u00fd apar\u00e1t (d\u00edky \u010demu\u017e vynikly barvy ohonu komety). Aby hv\u011bzdy z\u016fstaly ostr\u00e9, byla pou\u017eita p\u0159enosn\u00e1 mont\u00e1\u017e Vixen GP-2, kter\u00e1 kompenzovala zemskou rotaci. Jednotliv\u00e9 sn\u00edmky pak byly slo\u017eeny do jedin\u00e9ho obrazu metodou tzv. matematick\u00e9ho kombinov\u00e1n\u00ed dat, kter\u00e1 v\u00fdsledn\u00fd obraz o\u010distila od digit\u00e1ln\u00edho \u0161umu a odhalila slab\u0161\u00ed struktury v\u00a0ohonu komety i pra\u0161n\u00e9 mlhoviny v\u00a0okol\u00ed hv\u011bzdy Pol\u00e1rky (na sn\u00edmku vpravo naho\u0159e). Jde ji\u017e o 11. sn\u00edmek NASA Fyzik\u00e1ln\u00edho \u00fastavu v\u00a0Opav\u011b.<\/p>\n<p><strong>Na sn\u00edmku je zachycena kometa C\/2022 E3 ZTF mezi \u201eVelk\u00fdm\u201c a \u201eMal\u00fdm vozem\u201c (hv\u011bzdy ze souhv\u011bzd\u00ed Velk\u00e9 medv\u011bdice a Mal\u00e9ho medv\u011bda). <\/strong>V\u00a0dob\u011b sn\u00edm\u00e1n\u00ed, v\u00a0\u010dasn\u00fdch rann\u00edch hodin\u00e1ch 26. ledna 2023, se kometa je\u0161t\u011b p\u0159ibli\u017eovala k\u00a0Zemi, tak\u017ee se pozvolna zjas\u0148ovala a jej\u00ed ohon byl fotograficky velmi v\u00fdrazn\u00fd \u2013 dosahoval 10 \u00fahlov\u00fdch stup\u0148\u016f, co\u017e odpov\u00edd\u00e1 \u00fahlov\u00e9mu rozm\u011bru 20 m\u011bs\u00ed\u010dn\u00edch \u00fapl\u0148k\u016f vedle sebe. Vizu\u00e1ln\u011b kometa tak v\u00fdrazn\u00e1 nebyla, nicm\u00e9n\u011b i bez pou\u017eit\u00ed dalekohledu byla v\u00a0m\u00edst\u011b pozorov\u00e1n\u00ed ve Vysok\u00fdch Tatr\u00e1ch viditeln\u00e1 pouh\u00fdma o\u010dima. Kometa ZTF dos\u00e1hla nejv\u011bt\u0161\u00edho p\u0159ibl\u00ed\u017een\u00ed k\u00a0Zemi 1. \u00fanora 2023 ve vzd\u00e1lenosti asi 42 milion\u016f kilometr\u016f a nyn\u00ed se u\u017e od Zem\u011b vzdaluje. D\u00edky jej\u00ed period\u011b zhruba 50 tis\u00edc let ji nikdo z\u00a0\u017eij\u00edc\u00edch u\u017e p\u0159i jej\u00edm dal\u0161\u00edm n\u00e1vratu ke Slunci nespat\u0159\u00ed.<\/p>\n<figure id=\"attachment_2286\" aria-describedby=\"caption-attachment-2286\" style=\"width: 200px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_ANN_1500px.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2286\" src=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_ANN_1500px-200x300.png\" alt=\"Sn\u00edmek \u201eKometa a dva vozy\u201c (s popisky a vyzna\u010den\u00fdmi \u201enebesk\u00fdmi vozy\u201c). Foto: Petr Hor\u00e1lek\/Fyzik\u00e1ln\u00ed \u00fastav v Opav\u011b.\" width=\"200\" height=\"300\" srcset=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_ANN_1500px-200x300.png 200w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_ANN_1500px-683x1024.png 683w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_ANN_1500px-768x1152.png 768w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2023\/02\/2023_01_26_Dippers_Slozeno_ZTF_Wide_Final_ANN_1500px.png 1000w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-2286\" class=\"wp-caption-text\">Sn\u00edmek \u201eKometa a dva vozy\u201c (s popisky a vyzna\u010den\u00fdmi \u201enebesk\u00fdmi vozy\u201c). Foto: Petr Hor\u00e1lek\/Fyzik\u00e1ln\u00ed \u00fastav v Opav\u011b.<\/figcaption><\/figure>\n<p><strong>Samotn\u00e9 focen\u00ed<\/strong> <strong>komplikoval siln\u011bj\u0161\u00ed mr\u00e1z<\/strong>: \u201e<em>P\u0159i pohledu na v\u00fdvoj po\u010das\u00ed jsem si byl jist, \u017ee jasno bude nad 1200 metry nad mo\u0159em, v\u00a0ni\u017e\u0161\u00edch poloh\u00e1ch se dr\u017eela hust\u00e1 inverze. D\u00edky severov\u00fdchodn\u00edmu proud\u011bn\u00ed se vytvo\u0159ila d\u00edra v\u00a0obla\u010dnosti ve Vysok\u00fdch Tatr\u00e1ch, konkr\u00e9tn\u011b okolo \u0160trbsk\u00e9ho Plesa. V\u00a0samotn\u00e9 oblasti okolo plesa ale ru\u0161ilo mnoho siln\u00e9ho pouli\u010dn\u00edho osv\u011btlen\u00ed, a tak jsem se vydal po silnici 537 d\u00e1le na v\u00fdchod, a\u017e k\u00a0odbo\u010dce na Popradsk\u00e9 Pleso. Tam jsem zastavil, p\u0159ipravil mont\u00e1\u017e a za\u010dal sn\u00edmat. Teplota v\u00a0t\u00e9 dob\u011b klesala prudce dol\u016f, pod -15 \u00b0C, d\u00edky \u010demu\u017e selh\u00e1valy i baterie a zamrzaly objektivy. Na\u0161t\u011bst\u00ed jsem data stihl nafotit d\u0159\u00edve, ne\u017e technika zcela selhala,<\/em>\u201c rekapituluje Hor\u00e1lek v\u0161echny okolnosti vzniku sn\u00edmku ve Vysok\u00fdch Tatr\u00e1ch.<\/p>\n<p><strong>Astronomick\u00fd sn\u00edmek dne NASA<\/strong> (Astronomy Picture Of the Day, zkr\u00e1cen\u011b <strong>APOD<\/strong>) je presti\u017en\u00ed ocen\u011bn\u00ed nejzaj\u00edmav\u011bj\u0161\u00ed astronomick\u00e9 fotografie dne, kterou pro ka\u017ed\u00fd den pe\u010dliv\u011b vyb\u00edraj\u00ed a n\u00e1sledn\u011b dopl\u0148uj\u00ed osv\u011btn\u00fdm popisem edito\u0159i prof. Jerry Bonnell (z Michigansk\u00e9 technologick\u00e9 univerzity) a prof. Robert Nemiroff (z Univerzity v\u00a0Marylandu), spolupracovn\u00edci NASA. Mottem APODu je \u201eObjevujte vesm\u00edr\u201c a od roku 1995, kdy byl v\u00fdb\u011br zah\u00e1jen, se stal jedn\u00edm z\u00a0nejuzn\u00e1van\u011bj\u0161\u00edch sv\u00e9ho typu po cel\u00e9m sv\u011bt\u011b. Pr\u016fvodn\u00ed texty jsou p\u0159ekl\u00e1d\u00e1ny do 23 sv\u011btov\u00fdch jazyk\u016f v\u010detn\u011b \u010de\u0161tiny (o kterou se star\u00e1 od roku 1999 Josef Chlachula) a na soci\u00e1ln\u00edch s\u00edt\u00edch je APOD sledov\u00e1n stamili\u00f3ny n\u00e1v\u0161t\u011bvn\u00edk\u016f denn\u011b.<\/p>\n<h4>Odkazy na Astronomick\u00fd sn\u00edmek dne NASA 7. \u00fanora 2023:<\/h4>\n<ul>\n<li><a href=\"https:\/\/apod.nasa.gov\/apod\/ap230207.html\">https:\/\/apod.nasa.gov\/apod\/ap230207.html<\/a> (anglicky)<\/li>\n<li><a href=\"https:\/\/www.astro.cz\/apod\/ap230207.html\">https:\/\/www.astro.cz\/apod\/ap230207.html<\/a> (\u010desky)<\/li>\n<li><a href=\"https:\/\/www.facebook.com\/AstronomyPictureOfTheDay\/\">https:\/\/www.facebook.com\/AstronomyPictureOfTheDay\/<\/a> (Facebook APOD)<\/li>\n<li><a href=\"https:\/\/www.instagram.com\/astronomypicturesdaily\/?hl=cs\">https:\/\/www.instagram.com\/astronomypicturesdaily\/?hl=cs<\/a> (Instagram APOD)<\/li>\n<\/ul>\n<h4>Kontakty a dal\u0161\u00ed informace:<\/h4>\n<p><strong>Mgr. Petr Hor\u00e1lek<\/strong><br \/>\n<em>PR v\u00fdstup\u016f evropsk\u00fdch projekt\u016f F\u00da SU v\u00a0Opav\u011b<\/em><br \/>\n<em>autor sn\u00edmku<\/em><br \/>\nEmail: <a href=\"mailto:petr.horalek@slu.cz\">petr.horalek@slu.cz<br \/>\n<\/a>Telefon: +420\u00a0732\u00a0826\u00a0853<\/p>\n<p><strong>Bc. Lucie Dospivov\u00e1<\/strong><br \/>\n<em>Sekretari\u00e1t \u0159editele Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b<\/em><br \/>\nEmail: <a href=\"mailto:petr.horalek@slu.cz\">lucie.dospivova@physics.slu.cz<\/a><br \/>\nTelefon: +420 553 684\u00a0267<\/p>\n<p><strong>RNDr. Tom\u00e1\u0161 Gr\u00e1f,\u00a0Ph.D.<\/strong><br \/>\n<em>Fyzik\u00e1ln\u00ed \u00fastav SU v\u202f<\/em><em>Opav\u011b,\u00a0vedouc\u00ed\u00a0observato\u0159e WHOO! a Unisf\u00e9ry<\/em><br \/>\nEmail:\u00a0<a href=\"mailto:tomas.graf@fpf.slu.cz\">tomas.graf@fpf.slu.cz<\/a><br \/>\nTelefon: +420 553 684\u202f548<\/p>\n<p><strong>prof. RNDr. Zden\u011bk Stuchl\u00edk, CSc.<\/strong><br \/>\n<em>\u0158editel Fyzik\u00e1ln\u00edho \u00fastavu SU v Opav\u011b<\/em><br \/>\nEmail: <a href=\"mailto:zdenek.stuchlik@physics.slu.cz\">zdenek.stuchlik@physics.slu.cz<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>V \u00fater\u00fd 7. \u00fanora 2023 publikoval americk\u00fd \u00fa\u0159ad NASA jako presti\u017en\u00ed Astronomick\u00fd sn\u00edmek dne fotografii s\u00a0n\u00e1zvem \u201eA Comet and Two Dippers\u201c (Kometa a dva vozy), jeho\u017e autorem je Petr Hor\u00e1lek z\u00a0Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b. Sn\u00edmek vznikl 26. ledna 2023 ve Vysok\u00fdch Tatr\u00e1ch, kam se autor sn\u00edmku vydal za jasn\u00fdm po\u010das\u00edm nad hladinu inverze pozorovat kometu C\/2022 E3 ZTF. Kometa se v\u00a0t\u00e9 dob\u011b nach\u00e1zela mezi fotogenick\u00fdmi hv\u011bzdn\u00fdmi uskupen\u00edmi \u201eMal\u00e9ho\u201c a Velk\u00e9ho vozu\u201c.<\/p>\n","protected":false},"author":7,"featured_media":2285,"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":[27,34],"tags":[],"class_list":["post-2283","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-clanky","category-ocenenie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kometa ZTF mezi \u201enebesk\u00fdmi vozy\u201c. Sn\u00edmek Fyzik\u00e1ln\u00edho \u00fastavu v Opav\u011b publikovala NASA - 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\/2023\/02\/07\/kometa-ztf-mezi-nebeskymi-vozy-snimek-fyzikalniho-ustavu-v-opave-publikovala-nasa\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kometa ZTF mezi \u201enebesk\u00fdmi vozy\u201c. 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