{"id":5768,"date":"2016-05-18T12:20:56","date_gmt":"2016-05-18T12:20:56","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=5768"},"modified":"2016-05-26T15:58:17","modified_gmt":"2016-05-26T15:58:17","slug":"pleiades-venus-visibles-coronographe-de-soho","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/","title":{"rendered":"Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO"},"content":{"rendered":"<p><strong>Tr\u00e8s proches du Soleil, l&#8217;amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO.<\/strong><\/p>\n<p>SOHO (<em><a href=\"http:\/\/sohowww.nascom.nasa.gov\/\" target=\"_blank\">Solar and Heliospheric Observatory<\/a><\/em>) est un satellite d\u2019une masse de 1,8 tonne qui a \u00e9t\u00e9 plac\u00e9 au point de Lagrange L1 \u00e0 environ 1,5 million de km de notre plan\u00e8te, l\u00e0 ou l\u2019attraction de la Terre et celle du <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/08\/15\/dans-la-mer-le-soleil-est-encore-plus-beau\/\" target=\"_blank\">Soleil <\/a>sont en \u00e9quilibre. Ses observations solaires viennent compl\u00e9ter celles de SDO, <em><a href=\"http:\/\/sdo.gsfc.nasa.gov\/\" target=\"_blank\">Solar Dynamics Observatory<\/a><\/em>.<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" frameborder=\"0\" width=\"480\" height=\"270\" src=\"\/\/www.dailymotion.com\/embed\/video\/x49np6s\" 0=\"allowfullscreen&gt;&lt;\/iframe\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<p style=\"text-align: center\"><strong>En vid\u00e9o : le transit de Mercure vu par SDO<\/strong><\/p>\n<p>Lanc\u00e9 il y a plus de 20 ans, le 2 d\u00e9cembre 1995 exactement, SOHO fournit quotidiennement un bulletin de sant\u00e9 de notre \u00e9toile dans diff\u00e9rentes longueurs d\u2019onde \u00e0 l\u2019aide de ses 12 instruments scientifiques : analyseurs de particules, t\u00e9lescopes, coronographes, spectrographe et imageurs.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg\"  rel=\"lightbox[5768] attachment wp-att-5769\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5769\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho-450x450.jpg\" alt=\"soho\" width=\"450\" height=\"450\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho-450x450.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho-150x150.jpg 150w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho-768x768.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg 1024w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Les coronographes LASCO C2 (champ \u00e9troit) et C3 (grand champ) sont destin\u00e9s \u00e0 \u00e9tudier la couronne solaire (Lasco signifie <em>Large Angle and Spectrometric Coronagraph<\/em>). Un cache central leur permet de masquer le Soleil, trop lumineux, pour voir ce qui se passe autour : des <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/09\/11\/eruption-solaire-du-10-septembre\/\" target=\"_blank\">\u00e9ruptions solaires<\/a> bien s\u00fbr, mais \u00e9galement des \u00e9toiles, des <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/02\/c2015-d1-la-comete-qui-defie-le-soleil-et-les-astronomes\/\" target=\"_blank\">com\u00e8tes kamikazes<\/a> et parfois des plan\u00e8tes.<!--more--><\/p>\n<p>C&#8217;est dans le champ de <a href=\"http:\/\/sohowww.nascom.nasa.gov\/data\/realtime\/c3\/512\/\" target=\"_blank\">LASCO C3<\/a> que je vous invite aujourd&#8217;hui : alors qu&#8217;il a \u00e9t\u00e9 travers\u00e9 du 4 au 15 mai par <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/12\/video-decouvrez-reliefs-de-planete-mercure\/\" target=\"_blank\">Mercure<\/a> \u00e0 l&#8217;occasion de son transit devant le Soleil le 9 mai (voir plus haut la vid\u00e9o de SDO), il accueille actuellement <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/11\/04\/veritas-et-davinci-objectif-venus-pour-la-nasa\/\" target=\"_blank\">V\u00e9nus <\/a>pendant une p\u00e9riode plus longue, du 6 mai au 7 juillet (V\u00e9nus est le point le plus brillant \u00e0 gauche dans le champ du coronographe avec une magnitude de -3,9 qui sature le capteur).<\/p>\n<p>Quant \u00e0 l&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/02\/09\/observez-lamas-detoiles-des-pleiades-en-debut-de-nuit\/\" target=\"_blank\">amas des Pl\u00e9iades<\/a>\u00a0(en haut de l&#8217;image), il a fait son entr\u00e9e \u00e0 l&#8217;est du champ du coronographe LASCO C3 le vendredi 13 mai et en sortira le vendredi 27 mai. Le 24 mai l&#8217;amas sera \u00e0 sa plus courte distance apparente de V\u00e9nus (4,6\u00b0).<\/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>Tr\u00e8s proches du Soleil, l&#8217;amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO. SOHO (Solar and Heliospheric Observatory) est un satellite d\u2019une masse de 1,8 tonne qui a \u00e9t\u00e9 plac\u00e9 au point de Lagrange L1 \u00e0 environ 1,5 million de km de notre plan\u00e8te, l\u00e0 ou &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO<\/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":5769,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[713,1385,140,760,97,1597,159],"class_list":["post-5768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-amas-des-pleiades","tag-lasco","tag-mercure","tag-soho","tag-soleil","tag-transit-de-mercure","tag-venus"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO<\/title>\n<meta name=\"description\" content=\"Tr\u00e8s proches du Soleil, l&#039;amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO.\" \/>\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\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO\" \/>\n<meta property=\"og:description\" content=\"Tr\u00e8s proches du Soleil, l&#039;amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/\" \/>\n<meta property=\"og:site_name\" content=\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\" \/>\n<meta property=\"article:published_time\" content=\"2016-05-18T12:20:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-05-26T15:58:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/\",\"name\":\"Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg\",\"datePublished\":\"2016-05-18T12:20:56+00:00\",\"dateModified\":\"2016-05-26T15:58:17+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea\"},\"description\":\"Tr\u00e8s proches du Soleil, l'amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg\",\"width\":1024,\"height\":1024,\"caption\":\"L'amas des Pl\u00e9iades et V\u00e9nus\"},{\"@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\":\"&quot;J&#039;ai en moi un besoin terrible. Dirais-je le mot? La religion. Alors, je sors la nuit et je peins des \u00e9toiles.&quot;  Vincent van Gogh\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea\",\"name\":\"Jean-Baptiste FELDMANN\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g\",\"caption\":\"Jean-Baptiste FELDMANN\"},\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/author\/jbfe\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO","description":"Tr\u00e8s proches du Soleil, l'amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/","og_locale":"fr_FR","og_type":"article","og_title":"Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO","og_description":"Tr\u00e8s proches du Soleil, l'amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO.","og_url":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/","og_site_name":"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel","article_published_time":"2016-05-18T12:20:56+00:00","article_modified_time":"2016-05-26T15:58:17+00:00","og_image":[{"width":1024,"height":1024,"url":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg","type":"image\/jpeg"}],"author":"Jean-Baptiste FELDMANN","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Jean-Baptiste FELDMANN","Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/","url":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/","name":"Les Pl\u00e9iades et V\u00e9nus visibles dans le coronographe de SOHO","isPartOf":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/#primaryimage"},"image":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/#primaryimage"},"thumbnailUrl":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg","datePublished":"2016-05-18T12:20:56+00:00","dateModified":"2016-05-26T15:58:17+00:00","author":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea"},"description":"Tr\u00e8s proches du Soleil, l'amas des Pl\u00e9iades et V\u00e9nus sont visibles dans le champ du coronographe LASCO C3 de l\u2019observatoire solaire SOHO.","inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/18\/pleiades-venus-visibles-coronographe-de-soho\/#primaryimage","url":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg","contentUrl":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/05\/soho.jpg","width":1024,"height":1024,"caption":"L'amas des Pl\u00e9iades et V\u00e9nus"},{"@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":"&quot;J&#039;ai en moi un besoin terrible. Dirais-je le mot? La religion. Alors, je sors la nuit et je peins des \u00e9toiles.&quot;  Vincent van Gogh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blogs.futura-sciences.com\/feldmann\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea","name":"Jean-Baptiste FELDMANN","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g","caption":"Jean-Baptiste FELDMANN"},"url":"https:\/\/blogs.futura-sciences.com\/feldmann\/author\/jbfe\/"}]}},"_links":{"self":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts\/5768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/comments?post=5768"}],"version-history":[{"count":3,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts\/5768\/revisions"}],"predecessor-version":[{"id":5772,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts\/5768\/revisions\/5772"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/media\/5769"}],"wp:attachment":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/media?parent=5768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/categories?post=5768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/tags?post=5768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}