 {"id":154,"date":"2017-04-01T00:26:28","date_gmt":"2017-03-31T22:26:28","guid":{"rendered":"http:\/\/gap47.astrosurf.com\/?page_id=154"},"modified":"2025-01-07T20:13:23","modified_gmt":"2025-01-07T18:13:23","slug":"jumelles","status":"publish","type":"page","link":"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/","title":{"rendered":"Jumelles"},"content":{"rendered":"<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Nous poss\u00e9dons plusieurs paires de jumelles de 50 mm d&rsquo;ouverture qu&rsquo;il nous est possible d&rsquo;utiliser avec des groupes pour une d\u00e9couverte du ciel en autonomie. C&rsquo;est une occasion de constater qu&rsquo;une bonne paire de jumelles est une excellente mani\u00e8re de se lancer en astronomie.<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><a href=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3032 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP.jpg\" alt=\"\" width=\"1200\" height=\"990\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP.jpg 1200w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP-300x248.jpg 300w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP-768x634.jpg 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 20px;\"><em><span style=\"font-family: times new roman,times,serif;\">\u2191&nbsp; Quelques paires de jumelles du GAP47<\/span><\/em><\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Dans le cas de l\u2019astronomie, les jumelles s\u2019av\u00e8rent utiles dans les observations du ciel profond (galaxies, n\u00e9buleuses), gr\u00e2ce \u00e0 leur grand champ, la vision binoculaire et leur luminosit\u00e9. Des formules avec plus fort grossissement sont optimales pour l\u2019observation des com\u00e8tes.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">On peut, avec de bonnes jumelles, voir les 4 principaux satellites de Jupiter (Io, Europe, Ganym\u00e8de et Callisto) et observer certaines n\u00e9buleuses (la grande n\u00e9buleuse d\u2019Orion, M42) ou des amas ouverts (comme les Pl\u00e9\u00efades, M45). On peut aussi regarder des d\u00e9tails de la Lune.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><strong><em>Le principal d\u00e9faut des jumelles en astronomie tient au fait que, si l\u2019on observe en tenant les jumelles avec les mains, le champ de vision est tr\u00e8s instable. Il faut donc de pr\u00e9f\u00e9rence utiliser un tr\u00e9pied (ou tout autre support solide) pour stabiliser l\u2019image.<\/em><\/strong><\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Vous pouvez voir d&rsquo;autres types de jumelles dans le menu :<\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> \u00ab\u00a0Astro d\u00e9butant \/ Choisir un instrument\u00a0\u00bb et\/ou dans<\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\">\u00ab\u00a0Ressources \/ T\u00e9l\u00e9chargements \/ Nos documents pdf \/ <a href=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/06\/Les-Instruments-de-lAstronomie.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Les instruments de l&rsquo;Astronomie<\/a>\u00ab\u00a0.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Vous pouvez \u00e9galement voir, en situation, les jumelles astronomiques d&rsquo;un de nos membres \u00e0 la rubrique \u00ab\u00a0Si\u00e8ge Astro jumelles\u00a0\u00bb.<\/span><\/p>\n<hr>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous poss\u00e9dons plusieurs paires de jumelles de 50 mm d&rsquo;ouverture qu&rsquo;il nous est possible d&rsquo;utiliser avec des groupes pour une d\u00e9couverte du ciel en autonomie. C&rsquo;est une occasion de constater qu&rsquo;une bonne paire de jumelles est une excellente mani\u00e8re de se lancer en astronomie. \u2191&nbsp; Quelques paires de jumelles du GAP47 Dans le cas de &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Jumelles&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":51,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-154","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jumelles - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jumelles - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.\" \/>\n<meta property=\"og:description\" content=\"Nous poss\u00e9dons plusieurs paires de jumelles de 50 mm d&rsquo;ouverture qu&rsquo;il nous est possible d&rsquo;utiliser avec des groupes pour une d\u00e9couverte du ciel en autonomie. C&rsquo;est une occasion de constater qu&rsquo;une bonne paire de jumelles est une excellente mani\u00e8re de se lancer en astronomie. \u2191&nbsp; Quelques paires de jumelles du GAP47 Dans le cas de &hellip; Continuer la lecture de &laquo;&nbsp;Jumelles&nbsp;&raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/\" \/>\n<meta property=\"og:site_name\" content=\"L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/astrogap47\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-07T18:13:23+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/\",\"url\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/\",\"name\":\"Jumelles - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.\",\"isPartOf\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP.jpg\",\"datePublished\":\"2017-03-31T22:26:28+00:00\",\"dateModified\":\"2025-01-07T18:13:23+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/#primaryimage\",\"url\":\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP.jpg\",\"contentUrl\":\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/04\/Jumelles-GAP.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/gap47.astrosurf.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Le GAP47\",\"item\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Nos instruments\",\"item\":\"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Jumelles\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/gap47.astrosurf.com\/#website\",\"url\":\"https:\/\/gap47.astrosurf.com\/\",\"name\":\"De janvier \u00e0 fin juin 2024, le GAP47 sera ouvert aux visiteurs tous les vendredis \u00e0 21h sans r\u00e9servation, \u00e0 l'exception du vendredi 26 janvier o\u00f9 l'observatoire sera ferm\u00e9 au public.\",\"description\":\"Groupe d&#039;Astronomie Populaire du Lot-et-Garonne, \u00e0 Montayral\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/gap47.astrosurf.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Jumelles - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/gap47.astrosurf.com\/index.php\/le-gap47\/materiel\/jumelles\/","og_locale":"fr_FR","og_type":"article","og_title":"Jumelles - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.","og_description":"Nous poss\u00e9dons plusieurs paires de jumelles de 50 mm d&rsquo;ouverture qu&rsquo;il nous est possible d&rsquo;utiliser avec des groupes pour une d\u00e9couverte du ciel en autonomie. 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