{"id":2516,"date":"2015-04-13T04:52:43","date_gmt":"2015-04-13T04:52:43","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=2516"},"modified":"2015-04-18T06:30:47","modified_gmt":"2015-04-18T06:30:47","slug":"ar-2321-un-important-groupe-de-taches-solaires","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/","title":{"rendered":"AR 2321, un important groupe de taches solaires"},"content":{"rendered":"

C’est un beau groupe de taches qui vient de faire son apparition sur le bord du Soleil<\/a>. Les scientifiques l’on surnomm\u00e9 AR 2321,\u00a0AR signifiant Active Region,<\/em> suivi du num\u00e9ro d\u2019apparition attribu\u00e9 par la NOAA<\/a>, National Oceanic and Atmospheric Administration. <\/em><\/p>\n

\"so2\"<\/a><\/p>\n

L’image que je vous propose a \u00e9t\u00e9 \u00a0r\u00e9alis\u00e9e le 12 avril au moment du coucher du Soleil<\/a> avec un bo\u00eetier Finepix HS20 et son zoom de 720 mm de focale prot\u00e9g\u00e9 par un filtre ND 400.<\/p>\n

Sur cette image j’ai plac\u00e9 la Terre \u00e0 l’\u00e9chelle pour vous donner une id\u00e9e de la superficie de ce groupe de taches qui pourrait d\u00e9passer la taille de la plan\u00e8te Jupiter <\/a>comme le fit il y a quelques mois l’\u00e9norme tache solaire AR 2192<\/a>.<\/p>\n

AR 2321 va peut-\u00eatre donner naissance \u00e0 de belles aurores bor\u00e9ales<\/a> dans les jours qui viennent si elle est assez active pour projeter de la mati\u00e8re coronale dans l’espace.<\/p>\n

Vous pouvez suivre l’\u00e9volution des taches sur notre \u00e9toile en vous rendant sur la page de l’observatoire solaire SOHO<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

C’est un beau groupe de taches qui vient de faire son apparition sur le bord du Soleil. Les scientifiques l’on surnomm\u00e9 AR 2321,\u00a0AR signifiant Active Region, suivi du num\u00e9ro d\u2019apparition attribu\u00e9 par la NOAA, National Oceanic and Atmospheric Administration. L’image que je vous propose a \u00e9t\u00e9 \u00a0r\u00e9alis\u00e9e le 12 avril au moment du coucher du … Continuer la lecture de AR 2321, un important groupe de taches solaires<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":2520,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[958,395,257,760,97,261],"class_list":["post-2516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-ar-2321","tag-aurore-boreale","tag-noaa","tag-soho","tag-soleil","tag-tache-solaire"],"yoast_head":"\nAR 2321, un important groupe de taches solaires<\/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\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AR 2321, un important groupe de taches solaires\" \/>\n<meta property=\"og:description\" content=\"C’est un beau groupe de taches qui vient de faire son apparition sur le bord du Soleil. 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L’image que je vous propose a \u00e9t\u00e9 \u00a0r\u00e9alis\u00e9e le 12 avril au moment du coucher du … Continuer la lecture de AR 2321, un important groupe de taches solaires →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/\" \/>\n<meta property=\"og:site_name\" content=\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\" \/>\n<meta property=\"article:published_time\" content=\"2015-04-13T04:52:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-04-18T06:30:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/04\/so1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"901\" \/>\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\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/\",\"name\":\"AR 2321, un important groupe de taches solaires\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/04\/so1.jpg\",\"datePublished\":\"2015-04-13T04:52:43+00:00\",\"dateModified\":\"2015-04-18T06:30:47+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\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/13\/ar-2321-un-important-groupe-de-taches-solaires\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/04\/so1.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/04\/so1.jpg\",\"width\":1200,\"height\":901},{\"@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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