{"id":7742,"date":"2017-04-23T08:49:14","date_gmt":"2017-04-23T08:49:14","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=7742"},"modified":"2017-05-02T05:07:19","modified_gmt":"2017-05-02T05:07:19","slug":"venus-croissant-de-lune-ont-rendez-a-laube","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/04\/23\/venus-croissant-de-lune-ont-rendez-a-laube\/","title":{"rendered":"V\u00e9nus et le croissant de Lune ont rendez-vous \u00e0 l&#8217;aube"},"content":{"rendered":"<p><strong>Ce 23 avril \u00e0 l&#8217;aube, la brillante plan\u00e8te V\u00e9nus et le vieux croissant de Lune \u00e9taient pos\u00e9s sur l&#8217;horizon d\u00e9gag\u00e9, promesse d&#8217;une belle journ\u00e9e.<\/strong><\/p>\n<p>Si vous aimez admirer le croissant de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/01\/04\/latmosphere-deforme-un-jeune-croissant-de-lune\/\" target=\"_blank\" rel=\"noopener noreferrer\">Lune<\/a>, vous devez rep\u00e9rer sur le calendrier les p\u00e9riodes qui encadrent la Nouvelle Lune : quelques jours avant vous observerez \u00e0 l&#8217;aube le vieux croissant, quelques jours apr\u00e8s vous retrouverez le jeune croissant au cr\u00e9puscule. La Nouvelle Lune \u00e9tant fix\u00e9e au 26 avril, il \u00e9tait n\u00e9cessaire de se lever t\u00f4t ce dimanche pour admirer le vieux croissant.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/04\/venus_lune-1.jpg\" rel=\"lightbox[7742]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7743\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/04\/venus_lune-1-450x303.jpg\" alt=\"\" width=\"450\" height=\"303\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/04\/venus_lune-1-450x303.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/04\/venus_lune-1-768x517.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/04\/venus_lune-1-1024x689.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/04\/venus_lune-1.jpg 1337w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Un effort r\u00e9compens\u00e9 par la pr\u00e9sence aux c\u00f4t\u00e9s de la Lune de la brillante plan\u00e8te <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/03\/07\/le-croissant-de-venus-une-observation-facile-a-realiser\/\" target=\"_blank\" rel=\"noopener noreferrer\">V\u00e9nus<\/a>\u00a0actuellement dans la constellation des Poissons et qui revient d\u00e9sormais en fin de nuit apr\u00e8s sa conjonction inf\u00e9rieure le mois dernier.<!--more--><\/p>\n<p>Les rapprochements entre V\u00e9nus et la Lune sont les plus int\u00e9ressants \u00e0 admirer et surtout \u00e0 photographier car l&#8217;\u00e9clat de la seconde plan\u00e8te du Syst\u00e8me solaire est assez proche de celui d&#8217;un fin croissant, ce qui permet de composer de jolies images (\u00e0 condition de soigner le premier plan) sans saturer l&#8217;un ou l&#8217;autre des astres. Je suis donc parti vers 5 h 30 sillonner la campagne bourguignonne, croisant quelques chevreuils matinaux, avant de poser mon pied photo dans un champ bord\u00e9 au loin de quelques jeunes arbres en direction de l&#8217;horizon EST. Cette image a \u00e9t\u00e9 faite avec un objectif de 50 mm de focale (ouverture 5,6) et une pose de 2 sec \u00e0 100 iso.<\/p>\n<p>Dans les semaines \u00e0 venir V\u00e9nus va continuer \u00e0 prendre de la hauteur jusqu&#8217;au 3 juin, date de son \u00e9longation maximale \u00e0 l&#8217;OUEST du <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/11\/24\/soleil-vase-etrusque-mer-de-marmara\/\" target=\"_blank\" rel=\"noopener noreferrer\">Soleil<\/a> (elle s&#8217;en \u00e9cartera de presque 46\u00b0). Quant \u00e0 la Lune nous la retrouverons au cr\u00e9puscule \u00e0 partir du 28 avril (elle sera ce soir-l\u00e0 tr\u00e8s proche d&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/22\/le-croissant-de-lune-surplombe-etoile-aldebaran\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ald\u00e9baran<\/a>, la brillante \u00e9toile de la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/25\/simeis-147-un-remanent-de-supernova-dans-le-taureau\/\" target=\"_blank\" rel=\"noopener noreferrer\">constellation du Taureau<\/a>), mais elle retrouvera de nouveau V\u00e9nus le 22 mai \u00e0 l&#8217;aube dans une configuration assez semblable \u00e0 celle de ce 23 avril.<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/134736291\" width=\"640\" height=\"480\" frameborder=\"0\" 0=\"webkitallowfullscreen\" 1=\"mozallowfullscreen\" 2=\"allowfullscreen&gt;&lt;\/iframe\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\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 23 avril \u00e0 l&#8217;aube, la brillante plan\u00e8te V\u00e9nus et le vieux croissant de Lune \u00e9taient pos\u00e9s sur l&#8217;horizon d\u00e9gag\u00e9, promesse d&#8217;une belle journ\u00e9e. Si vous aimez admirer le croissant de Lune, vous devez rep\u00e9rer sur le calendrier les p\u00e9riodes qui encadrent la Nouvelle Lune : quelques jours avant vous observerez \u00e0 l&#8217;aube le vieux &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/04\/23\/venus-croissant-de-lune-ont-rendez-a-laube\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">V\u00e9nus et le croissant de Lune ont rendez-vous \u00e0 l&#8217;aube<\/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":7743,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[83],"tags":[207,1317,131,159],"class_list":["post-7742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-la-lune","tag-bourgogne","tag-constellation-des-poissons","tag-croissant-de-lune","tag-venus"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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