{"id":4242,"date":"2016-03-06T16:37:10","date_gmt":"2016-03-06T16:37:10","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=4242"},"modified":"2016-03-14T17:08:45","modified_gmt":"2016-03-14T17:08:45","slug":"video-seance-dastrophotographie-hivernale","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/03\/06\/video-seance-dastrophotographie-hivernale\/","title":{"rendered":"En vid\u00e9o : s\u00e9ance d&#8217;astrophotographie hivernale"},"content":{"rendered":"<p><strong>Comment s&#8217;organise une s\u00e9ance d&#8217;astrophotographie quand on ne dispose pas de son propre observatoire ? R\u00e9ponse dans ce joli <em>time-lapse<\/em> r\u00e9alis\u00e9 en hiver.<\/strong><\/p>\n<p>Beaucoup d&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/14\/lumiere-rouge-les-astronomes\/\" target=\"_blank\">astronomes<\/a> amateurs sont dans l&#8217;obligation de se d\u00e9placer quand ils veulent observer le ciel nocturne ; peu nombreux sont en effet ceux qui ont la chance d&#8217;habiter dans un endroit \u00e9pargn\u00e9 par la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/06\/28\/pollution-lumineuse\/\" target=\"_blank\">pollution lumineuse<\/a> et de pouvoir y construire un petit observatoire.<\/p>\n<p>Ces migrations cr\u00e9pusculaires demandent une bonne dose d&#8217;organisation : il est indispensable d&#8217;avoir rep\u00e9r\u00e9 \u00e0 l&#8217;avance un site adapt\u00e9 (\u00e0 la fois accessible pour l&#8217;astronome mais loin de toute lumi\u00e8re parasite, phares de voitures compris) et de s&#8217;assurer avant de partir que le ciel restera d\u00e9gag\u00e9 pour la nuit. Pas question non plus d&#8217;oublier le moindre accessoire qui pourrait compromettre la soir\u00e9e : l&#8217;utilisation d&#8217;une <em>check-list<\/em> est de rigueur !<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/117364234\" width=\"500\" height=\"281\" frameborder=\"0\" 0=\"webkitallowfullscreen\" 1=\"mozallowfullscreen\" 2=\"allowfullscreen\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<p>On doit le <em>time-lapse<\/em> ci-dessus \u00e0 <a href=\"http:\/\/www.astrophoto-passion.com\/\" target=\"_blank\">Dominique Joubert<\/a>, un retrait\u00e9 qui s&#8217;adonne \u00e0 sa passion pour l&#8217;astrophotographie dans les massifs montagneux autour de Grenoble.<\/p>\n<p><!--more-->Ses images nous racontent en acc\u00e9l\u00e9r\u00e9 son installation dans la neige un soir de janvier 2015 o\u00f9 il avait choisi d&#8217;imager une objet astronomique c\u00e9l\u00e8bre dans la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/09\/15\/constellation-dorion\/\" target=\"_blank\">constellation d&#8217;Orion<\/a>, la n\u00e9buleuse de la T\u00eate de Cheval Barnard 33. Cette n\u00e9buleuse obscure situ\u00e9e \u00e0 1800 ann\u00e9es-lumi\u00e8re se d\u00e9tache devant la n\u00e9buleuse en \u00e9mission IC 434 dont l&#8217;hydrog\u00e8ne est ionis\u00e9 par <em>Sigma Orionis<\/em>. La brillante \u00e9toile que l&#8217;on voit \u00e0 gauche est Alnitak, en dessous de laquelle se trouve la n\u00e9buleuse de la Flamme NGC 2024.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/11\/joubert.jpg\" rel=\"lightbox[4242]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-4248\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/11\/joubert-450x253.jpg\" alt=\"joubert\" width=\"450\" height=\"253\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/11\/joubert-450x253.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/11\/joubert-1024x576.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/11\/joubert.jpg 1920w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Comment s&#8217;organise une s\u00e9ance d&#8217;astrophotographie quand on ne dispose pas de son propre observatoire ? R\u00e9ponse dans ce joli time-lapse r\u00e9alis\u00e9 en hiver. Beaucoup d&#8217;astronomes amateurs sont dans l&#8217;obligation de se d\u00e9placer quand ils veulent observer le ciel nocturne ; peu nombreux sont en effet ceux qui ont la chance d&#8217;habiter dans un endroit \u00e9pargn\u00e9 &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/03\/06\/video-seance-dastrophotographie-hivernale\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">En vid\u00e9o : s\u00e9ance d&#8217;astrophotographie hivernale<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":4243,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[1362,354,1361,1364,1363,991,1013],"class_list":["post-4242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-barnard-33","tag-constellation-dorion","tag-dominique-joubert","tag-ic-434","tag-nebuleuse-de-la-tete-de-cheval","tag-time-lapse","tag-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>En vid\u00e9o : s\u00e9ance d&#039;astrophotographie hivernale<\/title>\n<meta name=\"description\" content=\"Comment s&#039;organise une s\u00e9ance d&#039;astrophotographie quand on ne dispose pas de son propre observatoire ? R\u00e9ponse dans ce joli time-lapse r\u00e9alis\u00e9 en hiver.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/03\/06\/video-seance-dastrophotographie-hivernale\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"En vid\u00e9o : s\u00e9ance d&#039;astrophotographie hivernale\" \/>\n<meta property=\"og:description\" content=\"Comment s&#039;organise une s\u00e9ance d&#039;astrophotographie quand on ne dispose pas de son propre observatoire ? 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