{"id":2829,"date":"2015-05-22T05:08:04","date_gmt":"2015-05-22T05:08:04","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=2829"},"modified":"2015-12-02T14:17:48","modified_gmt":"2015-12-02T14:17:48","slug":"le-coronographe-de-soho-devoile-lamas-des-pleiades","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/","title":{"rendered":"Le coronographe de SOHO d\u00e9voile l’amas des Pl\u00e9iades"},"content":{"rendered":"

Comme la plan\u00e8te Mercure <\/a>au mois d’avril, l’amas d’\u00e9toiles des Pl\u00e9iades <\/a>(Messier 45) est actuellement observable dans le champ de LASCO C3<\/a>, l’un des coronographes de l’observatoire solaire SOHO\u00a0<\/a>(SOlar and Heliospheric Observatory<\/em>).<\/p>\n

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

L’image ci-dessus a \u00e9t\u00e9 acquise le 19 mai, 5 jours apr\u00e8s l’entr\u00e9e de M 45 dans le champ de LASCO C3 ; l’amas d’\u00e9toiles en sortira le 28 mai.<\/p>\n

Rappelons que SOHO est un satellite de 1,8 tonne qui \u00e9tudie l’activit\u00e9 du Soleil <\/a>depuis 19 ans ! Sur les 12 instruments que compte cet observatoire solaire, deux sont particuli\u00e8rement connus par le grand public puisqu’ils fournissent les images de la couronne et des \u00e9ruptions solaires : il s’agit des\u00a0coronographes LASCO C2 et C3 (Large Angle and Spectrometric Coronagraph<\/em>).<\/p>\n

Un petit cache central leur permet de masquer le Soleil<\/a>, trop lumineux, pour voir ce qui se passe autour : \u00e9ruptions solaires<\/a> bien s\u00fbr, mais \u00e9galement \u00e9toiles<\/a>, plan\u00e8tes, et parfois com\u00e8tes kamikazes<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Comme la plan\u00e8te Mercure au mois d’avril, l’amas d’\u00e9toiles des Pl\u00e9iades (Messier 45) est actuellement observable dans le champ de LASCO C3, l’un des coronographes de l’observatoire solaire SOHO\u00a0(SOlar and Heliospheric Observatory). L’image ci-dessus a \u00e9t\u00e9 acquise le 19 mai, 5 jours apr\u00e8s l’entr\u00e9e de M 45 dans le champ de LASCO C3 ; l’amas … Continuer la lecture de Le coronographe de SOHO d\u00e9voile l’amas des Pl\u00e9iades<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":2831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[713,868,1385,437,760,97],"class_list":["post-2829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-amas-des-pleiades","tag-coronographe","tag-lasco","tag-messier-45","tag-soho","tag-soleil"],"yoast_head":"\nLe coronographe de Soho d\u00e9voile l'amas des Pl\u00e9iades<\/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\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le coronographe de Soho d\u00e9voile l'amas des Pl\u00e9iades\" \/>\n<meta property=\"og:description\" content=\"Comme la plan\u00e8te Mercure au mois d’avril, l’amas d’\u00e9toiles des Pl\u00e9iades (Messier 45) est actuellement observable dans le champ de LASCO C3, l’un des coronographes de l’observatoire solaire SOHO\u00a0(SOlar and Heliospheric Observatory). L’image ci-dessus a \u00e9t\u00e9 acquise le 19 mai, 5 jours apr\u00e8s l’entr\u00e9e de M 45 dans le champ de LASCO C3 ; l’amas … Continuer la lecture de Le coronographe de SOHO d\u00e9voile l’amas des Pl\u00e9iades →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/\" \/>\n<meta property=\"og:site_name\" content=\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\" \/>\n<meta property=\"article:published_time\" content=\"2015-05-22T05:08:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-12-02T14:17:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/soho2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"857\" \/>\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\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/\",\"name\":\"Le coronographe de Soho d\u00e9voile l'amas des Pl\u00e9iades\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/soho2.jpg\",\"datePublished\":\"2015-05-22T05:08:04+00:00\",\"dateModified\":\"2015-12-02T14:17:48+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\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/05\/22\/le-coronographe-de-soho-devoile-lamas-des-pleiades\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/soho2.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/05\/soho2.jpg\",\"width\":1024,\"height\":857},{\"@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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