{"id":62,"date":"2014-06-29T15:25:13","date_gmt":"2014-06-29T15:25:13","guid":{"rendered":"http:\/\/voyager3.com\/?page_id=62"},"modified":"2024-05-31T00:05:26","modified_gmt":"2024-05-30T22:05:26","slug":"realisations-techniques","status":"publish","type":"page","link":"https:\/\/voyager3.com\/?page_id=62","title":{"rendered":"R\u00e9alisations techniques"},"content":{"rendered":"<p>Le t\u00e9lescope se trouvant sous la coupole de l&rsquo;Observatoire Bretagne Atlantique (O B A) a<a href=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2014\/06\/Pano_coupole.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"330\" data-permalink=\"https:\/\/voyager3.com\/?attachment_id=330\" data-orig-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2014\/06\/Pano_coupole.jpg?fit=800%2C474&amp;ssl=1\" data-orig-size=\"800,474\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"Pano_coupole\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2014\/06\/Pano_coupole.jpg?fit=648%2C384&amp;ssl=1\" class=\"alignright size-medium wp-image-330\" src=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2014\/06\/Pano_coupole.jpg?resize=300%2C177&#038;ssl=1\" alt=\"Pano_coupole\" width=\"300\" height=\"177\" srcset=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2014\/06\/Pano_coupole.jpg?resize=300%2C177&amp;ssl=1 300w, https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2014\/06\/Pano_coupole.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> \u00e9t\u00e9 r\u00e9alis\u00e9 par les membres de l&rsquo;association.\u00a0 Une telle r\u00e9alisation a n\u00e9cessit\u00e9 des comp\u00e9tences vari\u00e9es, du savoir faire et du temps&#8230;<\/p>\n<p>En 2008, apr\u00e8s la construction du b\u00e2timent de l&rsquo;observatoire, le tube du T 314 a \u00e9t\u00e9 mont\u00e9,\u00a0\u00e0 poste fixe, sur une nouvelle monture, qui a \u00e9t\u00e9 compl\u00e9t\u00e9e par une motorisation et un syst\u00e8me d\u2019encodeurs absolus con\u00e7us et r\u00e9alis\u00e9s \u00ab\u00a0maison\u00a0\u00bb<\/p>\n<p>En 2014 le diam\u00e8tre de l&rsquo;optique et le \u00ab\u00a0tube\u00a0\u00bb \u00e9voluent avec un miroir primaire\u00a0de 430 mm \u00a0ouvert \u00e0 4,5 et un secondaire idoine. Ces deux miroirs ont \u00e9t\u00e9 r\u00e9alis\u00e9s par la Soci\u00e9t\u00e9 Mirro-Sph\u00e8re.<\/p>\n<p>Cette nouvelle optique est install\u00e9e dans un \u00ab\u00a0tube\u00a0\u00bb r\u00e9alis\u00e9 en \u00e9l\u00e9ments tubulaires en acier dit \u00ab tube Serrurier\u00a0\u00bb con\u00e7u et r\u00e9alis\u00e9, lui aussi, enti\u00e8rement \u00ab\u00a0maison\u00a0\u00bb.<\/p>\n<p style=\"vertical-align: baseline;\">La \u00ab\u00a0rigidit\u00e9\u00a0\u00bb reconnue de cette structure associ\u00e9e a des pi\u00e8ces d&rsquo;entra\u00eenement en d\u00e9clinaison refaites permettront l&rsquo;obtention d&rsquo;images stellaires de grande qualit\u00e9.<\/p>\n<p style=\"vertical-align: baseline; text-align: center;\"><a href=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1154\" data-permalink=\"https:\/\/voyager3.com\/?attachment_id=1154\" data-orig-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?fit=1920%2C2880&amp;ssl=1\" data-orig-size=\"1920,2880\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Canon EOS 350D DIGITAL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1403308619&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;18&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.016666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_6592_web\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?fit=648%2C972&amp;ssl=1\" class=\" size-medium wp-image-1154 aligncenter\" src=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?resize=200%2C300&#038;ssl=1\" alt=\"IMG_6592_web\" width=\"200\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?resize=683%2C1024&amp;ssl=1 683w, https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?resize=333%2C500&amp;ssl=1 333w, https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/05\/IMG_6592_web.jpg?w=1296&amp;ssl=1 1296w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/p>\n<p>Quelques \u00e9tapes de ces r\u00e9alisations :<\/p>\n<ul>\n<li><a title=\"Le T 314 ou t\u00e9lescope \u00ab\u00a0Lionel L\u00e9on\u00a0\u00bb\" href=\"https:\/\/voyager3.com\/?page_id=806\">Le T 314 Lionel L\u00e9on<\/a><\/li>\n<li><a title=\"La monture du t\u00e9lescope\" href=\"https:\/\/voyager3.com\/?page_id=687\">La monture du t\u00e9lescope<\/a><\/li>\n<li><a href=\"https:\/\/voyager3.com\/?page_id=1560\">La trappe d&rsquo;acc\u00e8s \u00e0 la coupole<\/a><\/li>\n<li><a title=\"PIC-astro\" href=\"https:\/\/voyager3.com\/?page_id=342\">Le PIC-astro et la motorisation<\/a><\/li>\n<li><a href=\"https:\/\/voyager3.com\/?page_id=2227\">Arduin&rsquo;Astro<\/a><\/li>\n<li><a title=\"Les encodeurs absolus\" href=\"https:\/\/voyager3.com\/?page_id=269\">Les encodeurs absolus<\/a><\/li>\n<li><a title=\"Le T430\" href=\"https:\/\/voyager3.com\/?page_id=998\">Le\u00a0T 430<\/a><\/li>\n<li><a title=\"Le tube serrurier\" href=\"https:\/\/voyager3.com\/?page_id=273\">Le tube \u00ab\u00a0Serrurier\u00a0\u00bb<\/a><\/li>\n<li><a href=\"https:\/\/voyager3.com\/?page_id=3249\">L&rsquo;asservissement de la coupole<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Le t\u00e9lescope se trouvant sous la coupole de l&rsquo;Observatoire Bretagne Atlantique (O B A) a \u00e9t\u00e9 r\u00e9alis\u00e9 par les membres de l&rsquo;association.\u00a0 Une telle r\u00e9alisation a n\u00e9cessit\u00e9 des comp\u00e9tences vari\u00e9es, du savoir faire et du temps&#8230; En 2008, apr\u00e8s la construction du b\u00e2timent de l&rsquo;observatoire, le tube du T 314 a \u00e9t\u00e9 mont\u00e9,\u00a0\u00e0 poste fixe, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-62","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P6Vaq2-10","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/62","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/voyager3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=62"}],"version-history":[{"count":30,"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/62\/revisions"}],"predecessor-version":[{"id":3270,"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/62\/revisions\/3270"}],"up":[{"embeddable":true,"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/13"}],"wp:attachment":[{"href":"https:\/\/voyager3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=62"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}