{"id":8008,"date":"2017-06-26T05:06:25","date_gmt":"2017-06-26T05:06:25","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=8008"},"modified":"2017-07-10T05:53:37","modified_gmt":"2017-07-10T05:53:37","slug":"solarigraphe-revele-soleil-dun-solstice-a-lautre","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/06\/26\/solarigraphe-revele-soleil-dun-solstice-a-lautre\/","title":{"rendered":"Un solarigraphe r\u00e9v\u00e8le le Soleil d&#8217;un solstice \u00e0 l&#8217;autre"},"content":{"rendered":"<p><strong>Un astronome a r\u00e9alis\u00e9 une curieuse image, appel\u00e9e solarigraphe, qui montre la trajectoire du Soleil dans le ciel entre le 21 d\u00e9cembre et le 21 juin. \u00a0<\/strong><\/p>\n<p><a href=\"http:\/\/spaceweathergallery.com\/indiv_upload.php?upload_id=136357\" target=\"_blank\" rel=\"noopener noreferrer\">Jan Koeman<\/a> est un astronome qui travaille au\u00a0<em><a href=\"https:\/\/www.lansbergen.net\/wp\/\" target=\"_blank\" rel=\"noopener noreferrer\">Philippus Lansbergen Observatory<\/a>\u00a0<\/em>aux Pays-Bas. On ne sait pas s&#8217;il pr\u00e9f\u00e8re observer le ciel avec un <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/08\/26\/video-telescopes-hommes\/\" target=\"_blank\" rel=\"noopener noreferrer\">t\u00e9lescope<\/a> ou une <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/05\/bien-choisir-sa-premiere-lunette-astronomique\/\" target=\"_blank\" rel=\"noopener noreferrer\">lunette astronomique<\/a>, mais pour photographier la course du <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/03\/08\/double-parhelie-halo-soleil-couchant\/\" target=\"_blank\" rel=\"noopener noreferrer\">Soleil<\/a> pendant six mois il a choisi une &#8230; canette de bi\u00e8re ! En per\u00e7ant un petit trou \u00e0 l&#8217;une des extr\u00e9mit\u00e9s de la canette (apr\u00e8s l&#8217;avoir vid\u00e9e, bien s\u00fbr) et en pla\u00e7ant \u00e0 l&#8217;autre extr\u00e9mit\u00e9 un papier photosensible, il a r\u00e9alis\u00e9 un appareil photo tr\u00e8s simple appel\u00e9 st\u00e9nop\u00e9.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/06\/solarigraphe.jpg\" rel=\"lightbox[8008]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-8009\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/06\/solarigraphe-450x333.jpg\" alt=\"\" width=\"450\" height=\"333\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/06\/solarigraphe-450x333.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/06\/solarigraphe-768x569.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/06\/solarigraphe-1024x759.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/06\/solarigraphe.jpg 1440w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Solidement fix\u00e9 sur une rampe de balcon et orient\u00e9 en direction du SUD, le st\u00e9nop\u00e9 a \u00e9t\u00e9 ouvert le 21 d\u00e9cembre et referm\u00e9 le 21 juin.\u00a0<!--more--><\/p>\n<p>Une fois le papier photo d\u00e9velopp\u00e9, on d\u00e9couvre tout ce qui s&#8217;est pass\u00e9 pendant six mois, en particulier les traces quasi-quotidiennes laiss\u00e9es par le Soleil dans le ciel (except\u00e9 les jours de mauvais temps). La trace la plus basse correspond au 21 d\u00e9cembre 2016, date du pr\u00e9c\u00e9dent <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/12\/19\/21-decembre-solstice-dhiver-dans-lhemisphere-nord\/\" target=\"_blank\" rel=\"noopener noreferrer\">solstice d&#8217;hiver<\/a>, la plus haute au <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/06\/20\/21-juin-cest-solstice-dete-lhemisphere-nord\/\" target=\"_blank\" rel=\"noopener noreferrer\">solstice d&#8217;\u00e9t\u00e9<\/a> du 21 juin 2017.<\/p>\n<p>Cette spectaculaire exposition unique de six mois qui r\u00e9v\u00e8le le mouvement apparent du Soleil dans le ciel est appel\u00e9e un solarigraphe.<\/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>Un astronome a r\u00e9alis\u00e9 une curieuse image, appel\u00e9e solarigraphe, qui montre la trajectoire du Soleil dans le ciel entre le 21 d\u00e9cembre et le 21 juin. \u00a0 Jan Koeman est un astronome qui travaille au\u00a0Philippus Lansbergen Observatory\u00a0aux Pays-Bas. On ne sait pas s&#8217;il pr\u00e9f\u00e8re observer le ciel avec un t\u00e9lescope ou une lunette astronomique, mais &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/06\/26\/solarigraphe-revele-soleil-dun-solstice-a-lautre\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Un solarigraphe r\u00e9v\u00e8le le Soleil d&#8217;un solstice \u00e0 l&#8217;autre<\/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":8009,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[2260,2262,2261,2259,97,912],"class_list":["post-8008","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-jan-koeman","tag-pays-bas","tag-philippus-lansbergen-observatory","tag-solarigraphe","tag-soleil","tag-stenope"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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