{"id":21698,"date":"2025-09-30T16:35:03","date_gmt":"2025-09-30T16:35:03","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=21698"},"modified":"2025-10-31T14:05:54","modified_gmt":"2025-10-31T14:05:54","slug":"ephemerides-le-ciel-du-mois-doctobre-2025","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/09\/30\/ephemerides-le-ciel-du-mois-doctobre-2025\/","title":{"rendered":"\u00c9ph\u00e9m\u00e9rides : le ciel du mois d&#8217;octobre 2025"},"content":{"rendered":"<h5>En plus des traditionnels rapprochements c\u00e9lestes, deux com\u00e8tes s&#8217;invitent dans le ciel de ce mois d&#8217;octobre 2025.<\/h5>\n<h5>Astres chevelus au menu :<\/h5>\n<p>Si j&#8217;avais pr\u00e9par\u00e9 ces \u00e9ph\u00e9m\u00e9rides d&#8217;octobre 2025 il y a quelques semaines, il n&#8217;aurait pas \u00e9t\u00e9 question de com\u00e8tes. Mais l&#8217;impr\u00e9vu est venu se glisser au milieu de ph\u00e9nom\u00e8nes \u00e9tablis depuis longtemps par les lois de la m\u00e9canique c\u00e9leste. Et pour notre plus grand plaisir, nous allons pouvoir suivre non pas une, mais deux com\u00e8tes. Commen\u00e7ons par C\/2025 R2 (SWAN) dont je vous parlais<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/09\/15\/une-belle-comete-sinvite-dans-le-ciel-de-lhemisphere-sud\/\" target=\"_blank\" rel=\"noopener\"> ici<\/a> : si elle est d\u00e9sormais observable en d\u00e9but de nuit dans le ciel bor\u00e9al, son \u00e9clat n&#8217;a pas atteint les valeurs esp\u00e9r\u00e9es. Elle ne devrait pas d\u00e9passer la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/05\/06\/quest-lechelle-magnitudes-astronomie\/\" target=\"_blank\" rel=\"noopener\">magnitude<\/a> 6, elle sera donc r\u00e9serv\u00e9e aux possesseurs de jumelles et t\u00e9lescopes :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21702\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9-450x249.jpg\" alt=\"\" width=\"450\" height=\"249\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9-450x249.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9-1024x567.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9-768x425.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9-672x372.jpg 672w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9-1038x576.jpg 1038w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste9.jpg 1180w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>C&#8217;est la com\u00e8te C\/2025 A6 (Lemmon) qui est la plus prometteuse. Comme je vous l&#8217;explique <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/09\/27\/la-prometteuse-comete-lemmon-est-de-plus-en-plus-belle\/\" target=\"_blank\" rel=\"noopener\">ici<\/a>, elle pourrait atteindre la magnitude 2 \u00e0 la fin du mois. Observable avant l&#8217;aube dans le <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Lynx_(constellation)\" target=\"_blank\" rel=\"noopener\">Lynx<\/a>, elle va filer en direction du <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Serpent_(constellation)\" target=\"_blank\" rel=\"noopener\">Serpent<\/a>\u00a0en passant par le\u00a0<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Bouvier_(constellation)\" target=\"_blank\" rel=\"noopener\">Bouvier<\/a>, basculant progressivement dans le ciel du soir :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/comet3.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21690\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/comet3-450x244.jpg\" alt=\"\" width=\"450\" height=\"244\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/comet3-450x244.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/comet3-1024x555.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/comet3-768x416.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/comet3.jpg 1076w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Signalons enfin la pr\u00e9sence d&#8217;une troisi\u00e8me com\u00e8te, <a href=\"https:\/\/astro.vanbuitenen.nl\/comet\/2025K1\" target=\"_blank\" rel=\"noopener\">C\/2025 K1 (ATLAS)<\/a>, qui, avec une magnitude de 10, est r\u00e9serv\u00e9e aux possesseurs de gros t\u00e9lescopes.\u00a0D\u00e9laissons maintenant les astres chevelus et regardons le reste de l&#8217;actualit\u00e9 c\u00e9leste de ce mois d&#8217;octobre 2025.<\/p>\n<h5>Ph\u00e9nom\u00e8nes \u00e0 ne pas manquer :<\/h5>\n<ul>\n<li>Le 6, veille de la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/01\/15\/la-planete-mars-flirte-avec-la-pleine-lune\/\" target=\"_blank\" rel=\"noopener\">Pleine Lune<\/a>, notre satellite naturel escorte <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/09\/19\/ce-weekend-saturne-est-au-plus-pres-de-la-terre\/\" target=\"_blank\" rel=\"noopener\">Saturne<\/a>. Apr\u00e8s avoir admir\u00e9 les deux astres, faites un tour du c\u00f4t\u00e9 de <a href=\"https:\/\/fr.wikipedia.org\/wiki\/(1)_C%C3%A9r%C3%A8s\" target=\"_blank\" rel=\"noopener\">C\u00e9r\u00e8s<\/a>. La plan\u00e8te naine est pass\u00e9e \u00e0 l&#8217;opposition quatre jours plus t\u00f4t avec une magnitude de 7,6.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste2.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21704\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste2-450x262.jpg\" alt=\"\" width=\"450\" height=\"262\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste2-450x262.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste2-1024x596.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste2-768x447.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste2.jpg 1200w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Le 8 \u00e0 l&#8217;aube, admirez dans un instrument le bel alignement des quatre principales lunes de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/11\/29\/jupiter-tres-en-beaute-une-semaine-avant-son-opposition\/\" target=\"_blank\" rel=\"noopener\">Jupiter<\/a>. L&#8217;amas d&#8217;\u00e9toiles <a href=\"https:\/\/fr.wikipedia.org\/wiki\/NGC_2420\" target=\"_blank\" rel=\"noopener\">NGC 2420<\/a> compl\u00e8te ce joli tableau c\u00e9leste.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste3.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21703\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste3-450x263.jpg\" alt=\"\" width=\"450\" height=\"263\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste3-450x263.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste3-1024x598.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste3-768x449.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste3.jpg 1198w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Le 10 \u00e0 l&#8217;aube, la Lune gibbeuse d\u00e9croissante est toute proche du c\u00e9l\u00e8bre amas d&#8217;\u00e9toiles des <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/03\/31\/lamas-detoiles-des-pleiades-dans-la-poussiere\/\" target=\"_blank\" rel=\"noopener\">Pl\u00e9iades<\/a>.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste4.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21705\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste4-450x265.jpg\" alt=\"\" width=\"450\" height=\"265\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste4-450x265.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste4-1024x603.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste4-768x452.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste4.jpg 1193w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Le 13, c&#8217;est le Dernier quartier de Lune. En fin de nuit, les ombres de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/02\/07\/quand-ganymede-passe-derriere-jupiter\/\" target=\"_blank\" rel=\"noopener\">Ganym\u00e8de<\/a> et <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/02\/01\/juno-saisit-la-plus-puissante-eruption-volcanique-de-io\/\" target=\"_blank\" rel=\"noopener\">Io<\/a> vont visibles simultan\u00e9ment sur le disque de Jupiter. Un <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/01\/11\/peut-on-choisir-son-premier-telescope-sans-se-tromper\/\" target=\"_blank\" rel=\"noopener\">t\u00e9lescope<\/a> est indispensable pour admirer ce spectacle.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste5.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21706\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste5-450x263.jpg\" alt=\"\" width=\"450\" height=\"263\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste5-450x263.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste5-1024x597.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste5-768x448.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste5.jpg 1198w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Le 14 avant l&#8217;aube, Ganym\u00e8de devrait occulter l&#8217;\u00e9toile HIP 37442 (magnitude 7,5). Un ph\u00e9nom\u00e8ne rare, pour lequel on trouvera plus d&#8217;infos <a href=\"https:\/\/lesia.obspm.fr\/lucky-star\/occ.php?p=146057\" target=\"_blank\" rel=\"noopener\">ici<\/a>.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/stel10.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21721\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/stel10-450x263.jpg\" alt=\"\" width=\"450\" height=\"263\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/stel10-450x263.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/stel10-1024x598.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/stel10-768x448.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/stel10.jpg 1197w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Les 16 et 17 en fin de nuit, cherchez la com\u00e8te C\/2025 A6 (Lemmon) juste \u00e0 c\u00f4t\u00e9 de <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Alpha_Canum_Venaticorum\" target=\"_blank\" rel=\"noopener\">Cor Caroli<\/a>, la c\u00e9l\u00e8bre \u00e9toile double des\u00a0<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Chiens_de_chasse\" target=\"_blank\" rel=\"noopener\">Chiens de Chasse<\/a>.<\/li>\n<li>Le 19 avant l&#8217;aube, le fin croissant de Lune d\u00e9croissante surplombe l&#8217;horizon Est, non loin de la brillante <a href=\"https:\/\/cnes.fr\/dossiers\/planete-venus\" target=\"_blank\" rel=\"noopener\">V\u00e9nus<\/a>. La tr\u00e8s discr\u00e8te com\u00e8te <a href=\"https:\/\/astro.vanbuitenen.nl\/comet\/2025K1\" target=\"_blank\" rel=\"noopener\">C\/2025 K1 (ATLAS)<\/a> est \u00e9galement pr\u00e9sente.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste6.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21707\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste6-450x263.jpg\" alt=\"\" width=\"450\" height=\"263\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste6-450x263.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste6-1024x599.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste6-768x449.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste6.jpg 1201w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Le 21, c&#8217;est la Nouvelle Lune.<\/li>\n<li>Les 22 et 29 en seconde partie de nuit, un t\u00e9lescope vous permettra d&#8217;admirer de nouveau le lent transit des ombres de deux lunes de Jupiter sur le disque de la plan\u00e8te.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste7.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21708\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste7-450x261.jpg\" alt=\"\" width=\"450\" height=\"261\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste7-450x261.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste7-1024x594.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste7-768x445.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste7.jpg 1200w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste8.jpg\" rel=\"lightbox[21698]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21709\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste8-450x262.jpg\" alt=\"\" width=\"450\" height=\"262\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste8-450x262.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste8-1024x597.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste8-768x448.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/09\/ste8.jpg 1201w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Le 26, passage \u00e0 l&#8217;heure d&#8217;hiver.<\/li>\n<li>Le 29, c&#8217;est le <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/03\/25\/voit-on-lors-dun-premier-quartier-de-lune\/\" target=\"_blank\" rel=\"noopener\">Premier quartier de Lune<\/a>.<\/li>\n<\/ul>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/10\/30\/ciel-aux-jumelles-guide-decouvrir-ciel-nocturne\/\" target=\"_blank\" rel=\"noopener\">Le Ciel aux jumelles, un guide pour d\u00e9couvrir le ciel nocturne<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2019\/06\/12\/j-30-la-lune-dans-une-paire-de-jumelles-mode-demploi\/\" target=\"_blank\" rel=\"noopener\">La Lune dans une paire de jumelles, mode d\u2019emploi<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/11\/13\/les-yeux-de-hibou-detonnantes-jumelles\/\" target=\"_blank\" rel=\"noopener\">Les \u201cYeux de hibou\u201d, d\u2019\u00e9tonnantes jumelles<\/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 noreferrer\">Facebook<\/a>\u00a0et sur\u00a0<a href=\"https:\/\/bsky.app\/profile\/cielmania.bsky.social\" target=\"_blank\" rel=\"noopener\">Bluesky<\/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>En plus des traditionnels rapprochements c\u00e9lestes, deux com\u00e8tes s&#8217;invitent dans le ciel de ce mois d&#8217;octobre 2025. Astres chevelus au menu : Si j&#8217;avais pr\u00e9par\u00e9 ces \u00e9ph\u00e9m\u00e9rides d&#8217;octobre 2025 il y a quelques semaines, il n&#8217;aurait pas \u00e9t\u00e9 question de com\u00e8tes. Mais l&#8217;impr\u00e9vu est venu se glisser au milieu de ph\u00e9nom\u00e8nes \u00e9tablis depuis longtemps par &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/09\/30\/ephemerides-le-ciel-du-mois-doctobre-2025\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">\u00c9ph\u00e9m\u00e9rides : le ciel du mois d&#8217;octobre 2025<\/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":21699,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[3813,3845,3831,149,90,82,3844,136,3538],"class_list":["post-21698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-c-2025-a6-lemmon","tag-c-2025-k1-atlas","tag-c-2025-r2-swan","tag-ephemerides","tag-jupiter","tag-lune","tag-octobre-2025","tag-saturne","tag-stellarium"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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