{"id":20275,"date":"2024-10-11T15:22:10","date_gmt":"2024-10-11T15:22:10","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=20275"},"modified":"2024-10-22T09:39:25","modified_gmt":"2024-10-22T09:39:25","slug":"aurore-boreale-dans-le-ciel-du-beaujolais","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/10\/11\/aurore-boreale-dans-le-ciel-du-beaujolais\/","title":{"rendered":"Aurore bor\u00e9ale dans le ciel du Beaujolais"},"content":{"rendered":"<p><strong>C&#8217;est un spectacle rare \u00e0 nos latitudes : le 10 octobre 2024, une aurore bor\u00e9ale \u00e9tait observable depuis le Beaujolais.<\/strong><\/p>\n<h5>Soleil en col\u00e8re :<\/h5>\n<p>Une aurore bor\u00e9ale (ou australe) se produit lorsque le vent solaire charg\u00e9 en particules \u00e9nerg\u00e9tiques vient balayer notre plan\u00e8te. L\u2019excitation des atomes d\u2019oxyg\u00e8ne et d\u2019azote pr\u00e9sents dans l\u2019atmosph\u00e8re terrestre est \u00e0 l\u2019origine des belles draperies lumineuses que nous observons. En g\u00e9n\u00e9ral, ces aurores se cantonnent aux latitudes \u00e9lev\u00e9es ; les astrophotographes vont donc les traquer autour du cercle polaire. Mais il arrive que l&#8217;aurore devienne visible jusqu&#8217;au Sud de l&#8217;Europe, quand la temp\u00eate solaire est assez puissante.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/10\/aurore.jpg\" rel=\"lightbox[20275]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-20276\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/10\/aurore-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/10\/aurore-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/10\/aurore-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/10\/aurore-768x461.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/10\/aurore.jpg 1500w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Un tel spectacle avait d\u00e9j\u00e0 eu lieu dans la nuit du 10 au 11 mai 2024. Exactement cinq mois plus tard, le ph\u00e9nom\u00e8ne s&#8217;est reproduit, en cette ann\u00e9e de <a href=\"https:\/\/www.futura-sciences.com\/sciences\/actualites\/soleil-pic-activite-soleil-va-arriver-plus-tot-prevu-sera-explosif-105023\/\" target=\"_blank\" rel=\"noopener\">maximum d\u2019activit\u00e9 solaire<\/a>. Dans la soir\u00e9e du 10 octobre, je suis sorti sous les nuages, apr\u00e8s avoir re\u00e7u un message d&#8217;alerte signalant l&#8217;arriv\u00e9e d&#8217;une puissante <a href=\"https:\/\/media4.obspm.fr\/public\/ressources_lu\/pages_activite-solaire\/so-masse-coronale.html\" target=\"_blank\" rel=\"noopener\">\u00e9jection de masse coronale<\/a>. J&#8217;ai r\u00e9alis\u00e9 le clich\u00e9 ci-dessus en posant 15 secondes \u00e0 3200 iso avec un bo\u00eetier Nikon D7100 et un objectif de 50 millim\u00e8tres de focale ouvert \u00e0 4.<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/11\/06\/en-video-aurores-boreales-au-plateau-de-calern\/\" target=\"_blank\" rel=\"noopener\">En vid\u00e9o : aurores bor\u00e9ales au Plateau de Calern<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/01\/27\/en-suede-une-aurore-boreale-danse-derriere-un-halo-lunaire\/\" target=\"_blank\" rel=\"noopener\">En Su\u00e8de, une aurore bor\u00e9ale danse derri\u00e8re un halo lunaire<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/11\/05\/la-plus-grande-tempete-solaire-a-frappe-la-terre-en-1859\/\" target=\"_blank\" rel=\"noopener\">La plus grande temp\u00eate solaire a frapp\u00e9 la Terre en 1859<\/a><\/li>\n<\/ul>\n<p>Suivez l\u2019actualit\u00e9 astronomique et d\u00e9couvrez mes images du ciel en vous abonnant \u00e0 Cielmania sur\u00a0<a href=\"https:\/\/www.facebook.com\/cielmania\/\" target=\"_blank\" rel=\"noopener\">Facebook<\/a>.<\/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>C&#8217;est un spectacle rare \u00e0 nos latitudes : le 10 octobre 2024, une aurore bor\u00e9ale \u00e9tait observable depuis le Beaujolais. Soleil en col\u00e8re : Une aurore bor\u00e9ale (ou australe) se produit lorsque le vent solaire charg\u00e9 en particules \u00e9nerg\u00e9tiques vient balayer notre plan\u00e8te. L\u2019excitation des atomes d\u2019oxyg\u00e8ne et d\u2019azote pr\u00e9sents dans l\u2019atmosph\u00e8re terrestre est \u00e0 &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/10\/11\/aurore-boreale-dans-le-ciel-du-beaujolais\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Aurore bor\u00e9ale dans le ciel du Beaujolais<\/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":20276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[395,2906,394,97],"class_list":["post-20275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-aurore-boreale","tag-beaujolais","tag-ejection-de-masse-coronale","tag-soleil"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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