{"id":2174,"date":"2015-03-16T20:48:21","date_gmt":"2015-03-16T20:48:21","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=2174"},"modified":"2015-03-20T12:09:38","modified_gmt":"2015-03-20T12:09:38","slug":"20-mars-comment-suivre-leclipse-solaire-sans-filtre","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/","title":{"rendered":"20 mars : comment suivre l’\u00e9clipse solaire sans filtre"},"content":{"rendered":"

Le 20 mars approche et vous n’avez pas r\u00e9ussi \u00e0 vous procurer un filtre pour suivre l’\u00e9clipse partielle de Soleil<\/a> ? Pas de panique, il existe diff\u00e9rentes solutions pour admirer le ph\u00e9nom\u00e8ne sans danger.<\/p>\n

Chacun des bricolages pr\u00e9sent\u00e9s ci-dessous d\u00e9rive du st\u00e9nop\u00e9, ce dispositif tr\u00e8s simple qui consiste \u00e0 laisser passer la lumi\u00e8re par un trou minuscule pour voir se former une image invers\u00e9e. Le st\u00e9nop\u00e9 est l’anc\u00eatre de l’appareil photographique.<\/p>\n

La passoire, l’\u00e9cumoire ou le couscoussier qui tr\u00f4nent dans la cuisine pourront judicieusement \u00eatre d\u00e9tourn\u00e9s quelques heures de leur usage habituel pour vous permettre de voir autant de soleils \u00e9clips\u00e9s qu’il y a de trous.<\/p>\n

\"eclipse2\"<\/a><\/p>\n

Vous pouvez \u00e9galement percer un trou minuscule (avec une pointe de compas par exemple) dans un grand carton et projeter le Soleil \u00e9clips\u00e9 sur une surface blanche.<\/p>\n

\"eclipse1\"<\/a><\/p>\n

Il est \u00e9galement possible de r\u00e9aliser facilement un st\u00e9nop\u00e9 pour l’\u00e9clipse en utilisant un tube dont une extr\u00e9mit\u00e9 sera perc\u00e9e d’un trou tandis que l’autre extr\u00e9mit\u00e9 recevra un papier calque.<\/p>\n

Plus le tube est long et plus l’image du Soleil<\/a> sera grande mais on peut facilement faire r\u00e9aliser par des enfants de petits st\u00e9nop\u00e9s en utilisant des tubes de chips Pringles<\/em>. Il est m\u00eame possible de photographier l’image obtenue avec un simple appareil photo compact.<\/p>\n

\"eclipse3\"<\/a><\/p>\n

Pour augmenter le contraste de l’image observ\u00e9e et \u00e9viter de regarder accidentellement le Soleil, il est judicieux de placer l’observateur \u00e0 l’ombre d’un grand panneau de carton ou derri\u00e8re des rideaux fonc\u00e9s en ne laissant d\u00e9passer que l’avant du st\u00e9nop\u00e9.<\/p>\n

N’h\u00e9sitez pas \u00e0 consulter la page du Comit\u00e9 de Liaison Enseignants et Astronomes<\/a> consacr\u00e9e \u00e0 cette \u00e9clipse.<\/p>\n","protected":false},"excerpt":{"rendered":"

Le 20 mars approche et vous n’avez pas r\u00e9ussi \u00e0 vous procurer un filtre pour suivre l’\u00e9clipse partielle de Soleil ? Pas de panique, il existe diff\u00e9rentes solutions pour admirer le ph\u00e9nom\u00e8ne sans danger.<\/p>\n","protected":false},"author":8,"featured_media":2175,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[316,97,912],"class_list":["post-2174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-eclipse","tag-soleil","tag-stenope"],"yoast_head":"\n20 mars : comment suivre l'\u00e9clipse solaire sans filtre<\/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:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"20 mars : comment suivre l'\u00e9clipse solaire sans filtre\" \/>\n<meta property=\"og:description\" content=\"Le 20 mars approche et vous n’avez pas r\u00e9ussi \u00e0 vous procurer un filtre pour suivre l’\u00e9clipse partielle de Soleil ? Pas de panique, il existe diff\u00e9rentes solutions pour admirer le ph\u00e9nom\u00e8ne sans danger.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/\" \/>\n<meta property=\"og:site_name\" content=\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\" \/>\n<meta property=\"article:published_time\" content=\"2015-03-16T20:48:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-03-20T12:09:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/eclipse4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jean-Baptiste FELDMANN\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jean-Baptiste FELDMANN\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/\",\"name\":\"20 mars : comment suivre l'\u00e9clipse solaire sans filtre\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/eclipse4.jpg\",\"datePublished\":\"2015-03-16T20:48:21+00:00\",\"dateModified\":\"2015-03-20T12:09:38+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/16\/20-mars-comment-suivre-leclipse-solaire-sans-filtre\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/eclipse4.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/eclipse4.jpg\",\"width\":1280,\"height\":720},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/\",\"name\":\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\",\"description\":\""J'ai en moi un besoin terrible. 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