{"id":22076,"date":"2020-10-25T18:01:17","date_gmt":"2020-10-25T17:01:17","guid":{"rendered":"https:\/\/www.astronom.cz\/horalek\/?p=22076"},"modified":"2021-06-06T19:56:10","modified_gmt":"2021-06-06T18:56:10","slug":"orionids-2020-over-slovakian-volcanoes","status":"publish","type":"post","link":"https:\/\/www.petrhoralek.com\/?p=22076","title":{"rendered":"Orionids 2020 over Slovakian volcanoes"},"content":{"rendered":"<div id=\"attachment_22726\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna-novy-met_1500px.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-22726\" src=\"https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna-novy-met_1500px-800x533.png\" alt=\"Orionids 2020 over Slovakian volcanoes\" width=\"800\" height=\"533\" class=\"size-large wp-image-22726\" srcset=\"https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna-novy-met_1500px-800x533.png 800w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna-novy-met_1500px-300x200.png 300w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna-novy-met_1500px-768x512.png 768w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna-novy-met_1500px-1024x683.png 1024w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna-novy-met_1500px.png 1500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-22726\" class=\"wp-caption-text\">Orionids 2020 over Slovakian volcanoes<\/p><\/div>\n<p>Debris of <a href=\"https:\/\/solarsystem.nasa.gov\/asteroids-comets-and-meteors\/comets\/1p-halley\/in-depth\/\" rel=\"noopener noreferrer\" target=\"_blank\">Halley&#8217;s comet<\/a> enter our atmosphere every May and October, producing two <a href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_meteor_showers\" rel=\"noopener noreferrer\" target=\"_blank\">annual meteor showers<\/a>. The October one, peaking usually around 21st October, is called <a href=\"https:\/\/earthsky.org\/astronomy-essentials\/everything-you-need-to-know-orionid-meteor-shower\" rel=\"noopener noreferrer\" target=\"_blank\">Orionids<\/a>. In the view, you can count 19 of them seemingly flying from are above <a href=\"https:\/\/en.wikipedia.org\/wiki\/Orion_(constellation)\" rel=\"noopener noreferrer\" target=\"_blank\">Orion constellation<\/a> (left from the center). The sky is crossed by the Milky Way, hosting also numerous red <a href=\"https:\/\/en.wikipedia.org\/wiki\/H_II_region\" rel=\"noopener noreferrer\" target=\"_blank\">hydrogen nebulae<\/a> such as <a href=\"https:\/\/apod.nasa.gov\/apod\/ap190823.html\" rel=\"noopener noreferrer\" target=\"_blank\">NGC 1499<\/a> called &#8220;California&#8221; (on the top) or many of them in the <a href=\"https:\/\/apod.nasa.gov\/apod\/ap150316.html\" rel=\"noopener noreferrer\" target=\"_blank\">Orion itself<\/a>. Very bright is planet Mars, nearby the &#8220;<a href=\"https:\/\/earthsky.org\/space\/definition-what-is-the-gegenschein\" rel=\"noopener noreferrer\" target=\"_blank\">Gegenschein<\/a>&#8220;, captured just a week after its <a href=\"https:\/\/earthsky.org\/tonight\/mars-to-reach-opposition-october-13\" rel=\"noopener noreferrer\" target=\"_blank\">great opposition in 2020<\/a>. In the foreground, five of Slovak extinct volcanoes north from <a href=\"https:\/\/www.unipo.sk\/en\/en\/ir\/stay\/presov\/\" rel=\"noopener noreferrer\" target=\"_blank\">Pre\u0161ov city<\/a> surrounded by fog can be seen (such as the <a href=\"https:\/\/www.darksky.org\/light-pollution\/\" rel=\"noopener noreferrer\" target=\"_blank\">light pollution<\/a> from the city itself). The closest one is the &#8220;Lys\u00e1 str\u00e1\u017e&#8221; mount, same as the others were active last time in the <a href=\"https:\/\/www.britannica.com\/science\/Tertiary-Period\" rel=\"noopener noreferrer\" target=\"_blank\">Tertiary Period<\/a> (<a href=\"https:\/\/www.geology.sk\/wp-content\/uploads\/documents\/foto\/MS\/MS_1987-5\/Rekon%C5%A1trukcia%20%C4%8Dasov%C3%A9ho%20v%C3%BDvoja%20vulk%C3%A1nov%20severnej%20%C4%8Dasti%20Slansk%C3%BDch%20vrchov.pdf\" rel=\"noopener noreferrer\" target=\"_blank\">Slovak study<\/a> says 13.1 million years), now giving a fantastic view from Ter\u0148a city.<\/p>\n<p>Captured from 19th to 23rd October 2020, for foreground used Canon 6D BCF modified, Sigma 35mm, f1.6, ISO 6400, panorama of 28 panels, each stacked of 6&#215;13 seconds from tripod. Meteors captured by timelapsing with Canon 6D, Samyang 12mm, f 2.8, ISO 10000, 30s. <strong>Circumstances were very bad <\/strong> as the humidity was rising and the fog was developing on the photographic site during the imaging and so the image seems a bit &#8220;unclean&#8221;.<\/p>\n<div id=\"attachment_22727\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna_met_1500px-ann.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-22727\" src=\"https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna_met_1500px-ann-800x533.png\" alt=\"Orionids 2020 over Slovakian volcanoes - annotated\" width=\"800\" height=\"533\" class=\"size-large wp-image-22727\" srcset=\"https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna_met_1500px-ann-800x533.png 800w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna_met_1500px-ann-300x200.png 300w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna_met_1500px-ann-768x512.png 768w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna_met_1500px-ann-1024x683.png 1024w, https:\/\/www.petrhoralek.com\/wp-content\/uploads\/2020\/10\/2020_10_22_Orionids_Terna_met_1500px-ann.png 1500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-22727\" class=\"wp-caption-text\">Orionids 2020 over Slovakian volcanoes &#8211; annotated<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Debris of Halley&#8217;s comet enter our atmosphere every May and October, producing two annual meteor showers. The October one, peaking usually around 21st October, is called Orionids. In the view, you can count 19 of them seemingly flying from are above Orion constellation (left from the center). The sky is crossed by the Milky Way,&hellip; <br \/> <a class=\"read-more\" href=\"https:\/\/www.petrhoralek.com\/?p=22076\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":22726,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7,5,1,12],"tags":[],"class_list":["post-22076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-landscape","category-meteors-and-meteor-showers","category-milky-way","category-zodiacal-light-and-gegenschein"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=\/wp\/v2\/posts\/22076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22076"}],"version-history":[{"count":0,"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=\/wp\/v2\/posts\/22076\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=\/wp\/v2\/media\/22726"}],"wp:attachment":[{"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.petrhoralek.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}