{"id":17182,"date":"2023-01-02T14:26:07","date_gmt":"2023-01-02T14:26:07","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=17182"},"modified":"2023-02-01T11:02:16","modified_gmt":"2023-02-01T11:02:16","slug":"ephemerides-le-ciel-nocturne-de-janvier-2023","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/01\/02\/ephemerides-le-ciel-nocturne-de-janvier-2023\/","title":{"rendered":"\u00c9ph\u00e9m\u00e9rides : le ciel nocturne de janvier 2023"},"content":{"rendered":"<p><strong>Ce mois de janvier 2023 sera l&#8217;occasion d&#8217;admirer la danse des plan\u00e8tes V\u00e9nus et Saturne ainsi que l&#8217;arriv\u00e9e de la com\u00e8te C\/2022 E3 (ZTF).<\/strong><\/p>\n<h5>Le froid, ennemi de l\u2019astronome :<\/h5>\n<p>En ce mois de janvier 2023, il faudra \u00eatre bien couvert pour profiter du ciel nocturne. L\u2019hiver est peu appr\u00e9ci\u00e9 par les observateurs nocturnes en raison des basses temp\u00e9ratures. Elles peuvent en effet rapidement d\u00e9courager les plus motiv\u00e9s. Pourtant, la saison a des atouts ind\u00e9niables. Les nuits sont tr\u00e8s longues et il n\u2019est nul besoin de veiller tard pour observer. D\u2019autre part, lorsque le ciel nocturne est d\u00e9gag\u00e9, il est particuli\u00e8rement noir. Relisez mes <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/12\/22\/ciel-dhiver-5-conseils-pour-observer-sans-avoir-froid\/\" target=\"_blank\" rel=\"noopener noreferrer\">5 conseils pour observer sans avoir froid<\/a> avant de mettre le nez dehors :<\/p>\n<figure id=\"attachment_9708\" aria-describedby=\"caption-attachment-9708\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/10\/jdln3.jpg\" rel=\"lightbox[17182]\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9708 size-medium\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/10\/jdln3-450x279.jpg\" alt=\"\" width=\"450\" height=\"279\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/10\/jdln3-450x279.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/10\/jdln3-768x476.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/10\/jdln3-1024x634.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/10\/jdln3.jpg 1450w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-9708\" class=\"wp-caption-text\">En cette saison, il est indispensable de bien se couvrir pour combattre le froid. Vous pourrez ainsi profiter de longues soir\u00e9es sous les \u00e9toiles. \u00a9 Jean-Baptiste Feldmann<\/figcaption><\/figure>\n<p>Voici quelques jolis ph\u00e9nom\u00e8nes c\u00e9lestes que vous pourrez tenter d\u2019admirer si la m\u00e9t\u00e9o est cl\u00e9mente. Comme toujours, la\u00a0<a href=\"https:\/\/www.stelvision.com\/carte-ciel\/\" target=\"_blank\" rel=\"noopener noreferrer\">carte du ciel de Stelvision<\/a>\u00a0est une alli\u00e9e indispensable pour vous orienter sous la vo\u00fbte c\u00e9leste.<!--more--><\/p>\n<h5>Janvier 2023 dans le d\u00e9tail :<\/h5>\n<ul>\n<li>Le 3 au cr\u00e9puscule, la Lune gibbeuse (trois jours avant la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/04\/24\/astrophotographie-la-pleine-lune-a-portee-de-main\/\" target=\"_blank\" rel=\"noopener\">Pleine Lune<\/a>) est coll\u00e9e contre la plan\u00e8te <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/12\/13\/heureux-qui-comme-curiosity-fait-un-beau-voyage-sur-mars\/\" target=\"_blank\" rel=\"noopener\">Mars<\/a>. C&#8217;est \u00e9galement la nuit du maximum d\u2019activit\u00e9 de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/01\/02\/surveillez-lessaim-meteoritique-des-quadrantides\/\" target=\"_blank\" rel=\"noopener\">l\u2019essaim des Quadrantides<\/a>, mais la pr\u00e9sence du lampadaire lunaire rendra le ciel tr\u00e8s lumineux.<\/li>\n<li>Le 6, c&#8217;est la plus haute Pleine Lune de l&#8217;ann\u00e9e avec une d\u00e9clinaison de +27\u00b0. Notre satellite naturel culminera au sommet de la vo\u00fbte c\u00e9leste en milieu de nuit.<\/li>\n<\/ul>\n<figure id=\"attachment_8656\" aria-describedby=\"caption-attachment-8656\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/01\/suplune2.jpg\" rel=\"lightbox[17182]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-8656\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/01\/suplune2-450x269.jpg\" alt=\"\" width=\"450\" height=\"269\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/01\/suplune2-450x269.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/01\/suplune2-768x460.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/01\/suplune2-1024x613.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/01\/suplune2.jpg 1504w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-8656\" class=\"wp-caption-text\">Lever d&#8217;une Pleine Lune hivernale. \u00a9 Jean-Baptiste Feldmann<\/figcaption><\/figure>\n<ul>\n<li>Le 11 en d\u00e9but de nuit, les lunes Io, Europe, Ganym\u00e8de et Callisto sont align\u00e9es \u00e0 l&#8217;Est de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/12\/12\/fascinant-le-telescope-hubble-nous-invite-a-zoomer-sur-jupiter\/\" target=\"_blank\" rel=\"noopener\">Jupiter<\/a>. \u00c0 observer dans une <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/12\/10\/longue-vue-bon-choix-debuter-astronomie\/\" target=\"_blank\" rel=\"noopener\">longue-vue<\/a>. Pour observer d&#8217;autres configurations des satellites galil\u00e9ens, utilisez\u00a0un simulateur comme\u00a0<a href=\"https:\/\/shallowsky.com\/galilean\/\" target=\"_blank\" rel=\"noopener\"><em>Shallowsky<\/em><\/a>.<\/li>\n<li>Le 13, la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/12\/20\/la-comete-c-2022-e3-ztf-approche-sortez-vos-jumelles\/\" target=\"_blank\" rel=\"noopener\">com\u00e8te C\/2022 E3 (ZTF)<\/a> passe au plus pr\u00e8s du Soleil (167 millions de kilom\u00e8tres). Elle circule au-dessus du Bouvier et pourrait atteindre la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/05\/06\/quest-lechelle-magnitudes-astronomie\/\" target=\"_blank\" rel=\"noopener\">magnitude<\/a> 5 :<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/carte_comete.jpg\" rel=\"lightbox[17182]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-17167\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/carte_comete-450x338.jpg\" alt=\"\" width=\"450\" height=\"338\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/carte_comete-450x338.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/carte_comete-768x576.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/carte_comete.jpg 1024w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<ul>\n<li>Le 15, c&#8217;est le dernier Quartier de Lune.<\/li>\n<li>Le 18 avant l&#8217;aube, le dernier croissant de Lune vogue \u00e0 proximit\u00e9 d&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/10\/01\/antares-une-supergeante-rouge-a-cote-de-la-lune\/\" target=\"_blank\" rel=\"noopener\">Antar\u00e8s<\/a>, la plus brillante \u00e9toile du <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/04\/25\/constellation-scorpion-se-devoile-cassis\/\" target=\"_blank\" rel=\"noopener\">Scorpion<\/a>.<\/li>\n<li>Le 21, c&#8217;est la Nouvelle Lune.<\/li>\n<li>Le 22 en soir\u00e9e, <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/05\/27\/letonnante-disparition-de-venus-derriere-la-lune\/\" target=\"_blank\" rel=\"noopener\">V\u00e9nus<\/a> et <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/01\/11\/jeux-de-lunes-entre-anneaux-de-planete-saturne\/\" target=\"_blank\" rel=\"noopener\">Saturne<\/a> se serrent l&#8217;une contre l&#8217;autre au-dessus de l&#8217;horizon Ouest. Le 23, le fin croissant de Lune se joint \u00e0 la sc\u00e8ne.<\/li>\n<\/ul>\n<figure id=\"attachment_4685\" aria-describedby=\"caption-attachment-4685\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/01\/conj3.jpg\" rel=\"lightbox[17182]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4685\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/01\/conj3-450x338.jpg\" alt=\"\" width=\"450\" height=\"338\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/01\/conj3-450x338.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/01\/conj3-768x576.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/01\/conj3-1024x768.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/01\/conj3.jpg 1200w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-4685\" class=\"wp-caption-text\">Rapprochement entre V\u00e9nus et Saturne le 9 janvier 2016. \u00a9 Youssef Bach Hamba<\/figcaption><\/figure>\n<ul>\n<li>Le 26, Jupiter est \u00e0 moins de 2\u00b0 d&#8217;un gros croissant de Lune.<\/li>\n<li>Le 28, 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<li>Le 31 en fin de nuit, la Lune gibbeuse se couche avec la plan\u00e8te Mars coll\u00e9e \u00e0 ses c\u00f4t\u00e9s.<\/li>\n<\/ul>\n<figure id=\"attachment_17063\" aria-describedby=\"caption-attachment-17063\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/occult_mars.jpg\" rel=\"lightbox[17182]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17063\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/occult_mars-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/occult_mars-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/occult_mars-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/occult_mars-768x460.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2022\/12\/occult_mars.jpg 1501w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-17063\" class=\"wp-caption-text\">La plan\u00e8te Mars coll\u00e9e \u00e0 la Pleine Lune le 8 d\u00e9cembre 2022. \u00a9 Jean-Baptiste Feldmann<\/figcaption><\/figure>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/11\/24\/comment-photographier-le-ciel-nocturne-avec-un-smartphone\/\" target=\"_blank\" rel=\"noopener\">Comment photographier le ciel nocturne avec un smartphone<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/12\/16\/pluie-de-geminides-dans-le-ciel-du-desert-datacama\/\" target=\"_blank\" rel=\"noopener\">Pluie de G\u00e9minides dans le ciel du d\u00e9sert d\u2019Atacama<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/12\/23\/en-avril-1066-le-retour-de-la-comete-de-halley-fut-exceptionnel\/\" target=\"_blank\" rel=\"noopener\">En 1066, le passage de la com\u00e8te de Halley fut exceptionnel<\/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>.<\/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>Ce mois de janvier 2023 sera l&#8217;occasion d&#8217;admirer la danse des plan\u00e8tes V\u00e9nus et Saturne ainsi que l&#8217;arriv\u00e9e de la com\u00e8te C\/2022 E3 (ZTF). Le froid, ennemi de l\u2019astronome : En ce mois de janvier 2023, il faudra \u00eatre bien couvert pour profiter du ciel nocturne. L\u2019hiver est peu appr\u00e9ci\u00e9 par les observateurs nocturnes en &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/01\/02\/ephemerides-le-ciel-nocturne-de-janvier-2023\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">\u00c9ph\u00e9m\u00e9rides : le ciel nocturne de janvier 2023<\/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":17183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[3337,149,3349],"class_list":["post-17182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-c-2022-e3-ztf","tag-ephemerides","tag-janvier-2023"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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