{"id":22540,"date":"2026-03-07T11:41:40","date_gmt":"2026-03-07T11:41:40","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=22540"},"modified":"2026-03-18T15:56:57","modified_gmt":"2026-03-18T15:56:57","slug":"le-soleil-filtre-par-le-nuage-de-sable-venu-du-sahara","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/03\/07\/le-soleil-filtre-par-le-nuage-de-sable-venu-du-sahara\/","title":{"rendered":"Le Soleil filtr\u00e9 par le nuage de sable venu du Sahara"},"content":{"rendered":"<p><strong>Le nuage de sable du Sahara qui recouvre actuellement la France joue tr\u00e8s efficacement le r\u00f4le d&#8217;un filtre pour observer le Soleil.<\/strong><\/p>\n<h5>Ciel voil\u00e9 :<\/h5>\n<p>Vous l&#8217;avez remarqu\u00e9, le ciel s&#8217;est teint\u00e9 d&#8217;ocre depuis quelques jours. En cause, un nuage de sable qui nous arrive tout droit du Sahara. Le ph\u00e9nom\u00e8ne est \u00e9galement bien visible sur nos voitures ! Pour les astronomes, ce filtre att\u00e9nue consid\u00e9rablement les images nocturnes. Mais pour l&#8217;observation du <a href=\"https:\/\/cnes.fr\/dossiers\/soleil\" target=\"_blank\" rel=\"noopener\">Soleil<\/a>, il a un effet positif. En temps habituel, comme je vous l&#8217;ai d\u00e9j\u00e0 expliqu\u00e9, il est indispensable d&#8217;utiliser un filtre (comme par exemple le <a href=\"https:\/\/www.stelvision.com\/astro\/boutique\/filtre-solaire-astf80-pour-lunette-astronomique-stelescope-70-ou-equivalent\/\" target=\"_blank\" rel=\"noopener\">ASTF 80<\/a>). C&#8217;est seulement \u00e0 cette condition que vous allez pouvoir observer sans danger la surface de notre \u00e9toile. Mais actuellement, c&#8217;est ce nuage de particules qui joue ce r\u00f4le :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol1.jpg\" rel=\"lightbox[22540]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22541\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol1-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol1-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol1-1024x615.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol1-768x461.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol1.jpg 1499w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>La preuve avec cette image r\u00e9alis\u00e9e ce matin avec mon bo\u00eetier <a href=\"https:\/\/www.panasonic.com\/fr\/consumer\/appareils-photo-et-camescopes\/bridges\/dc-fz82d.html\" target=\"_blank\" rel=\"noopener\">Panasonic FZ 82<\/a>. On y voit notamment quelques <a href=\"https:\/\/observations-solaires.obspm.fr\/Taches-solaires\" target=\"_blank\" rel=\"noopener\">taches solaires<\/a>, encore mieux sur le clich\u00e9 r\u00e9alis\u00e9 quelques minutes plus tard :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol2.jpg\" rel=\"lightbox[22540]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22542\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol2-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol2-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol2-1024x615.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol2-768x461.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/03\/sol2.jpg 1498w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Mais attention, c&#8217;est seulement lorsque le Soleil appara\u00eet au ras de l&#8217;horizon que l&#8217;on peut r\u00e9aliser ce genre d&#8217;images !\u00a0 Car rapidement, notre \u00e9toile devient trop lumineuse pour \u00eatre observ\u00e9e sans danger. Il faut alors imp\u00e9rativement prot\u00e9ger vos yeux&#8230; et le capteur de votre bo\u00eetier photo !<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/02\/07\/tout-savoir-sur-leclipse-solaire-du-12-aout-2026\/\" target=\"_blank\" rel=\"noopener\">Tout savoir sur l&#8217;\u00e9clipse solaire du 12 ao\u00fbt 2026<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/11\/12\/la-france-une-nouvelle-fois-sous-les-aurores-boreales\/\" target=\"_blank\" rel=\"noopener\">La France une nouvelle fois sous les aurores bor\u00e9ales<\/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>Le nuage de sable du Sahara qui recouvre actuellement la France joue tr\u00e8s efficacement le r\u00f4le d&#8217;un filtre pour observer le Soleil. Ciel voil\u00e9 : Vous l&#8217;avez remarqu\u00e9, le ciel s&#8217;est teint\u00e9 d&#8217;ocre depuis quelques jours. En cause, un nuage de sable qui nous arrive tout droit du Sahara. Le ph\u00e9nom\u00e8ne est \u00e9galement bien visible &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/03\/07\/le-soleil-filtre-par-le-nuage-de-sable-venu-du-sahara\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Le Soleil filtr\u00e9 par le nuage de sable venu du Sahara<\/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":22541,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[3943,674,97,261],"class_list":["post-22540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-sable","tag-sahara","tag-soleil","tag-tache-solaire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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