{"id":806,"date":"2015-04-18T15:42:48","date_gmt":"2015-04-18T13:42:48","guid":{"rendered":"http:\/\/voyager3.com\/?page_id=806"},"modified":"2018-01-16T20:25:36","modified_gmt":"2018-01-16T19:25:36","slug":"le-telescope-lionel-leon","status":"publish","type":"page","link":"https:\/\/voyager3.com\/?page_id=806","title":{"rendered":"Le T 314 ou t\u00e9lescope \u00ab\u00a0Lionel L\u00e9on\u00a0\u00bb"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_2small.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"853\" data-permalink=\"https:\/\/voyager3.com\/?attachment_id=853\" data-orig-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_2small.jpg?fit=222%2C148&amp;ssl=1\" data-orig-size=\"222,148\" 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;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"314_2small\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_2small.jpg?fit=222%2C148&amp;ssl=1\" class=\"aligncenter wp-image-853\" title=\"Lionel L\u00e9on et Andr\u00e9 Thel r\u00e9alisateur du chariot en bois\" src=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_2small.jpg?resize=240%2C160&#038;ssl=1\" alt=\"314_2small\" width=\"240\" height=\"160\" \/><\/a><\/p>\n<p style=\"margin: 0cm; margin-bottom: .0001pt;\">Baptis\u00e9 \u00ab\u00a0Lionel LEON \u00a0\u00bb en hommage \u00e0 son r\u00e9alisateur ce t\u00e9lescope a \u00e9t\u00e9 \u00ab\u00a0fabriqu\u00e9\u00a0\u00bb en\u00a01979&#8230; Lionel \u00e9tait alors membre du club de V\u00e9lizy (92). Il l&rsquo;avait install\u00e9 sous une coupole, en bois en forme de rhombicosidod\u00e9ca\u00e8dre construite en collaboration avec Jean-Paul PIERLOT.<\/p>\n<p style=\"margin: 0cm; margin-bottom: .0001pt;\">Lionel d\u00fb malheureusement d\u00e9m\u00e9nager dans le sud de la France peu de temps apr\u00e8s sans pouvoir r\u00e9installer son t\u00e9lescope&#8230;<br \/>\nApr\u00e8s presque 20 ans pass\u00e9es dans son grenier, il d\u00e9cide de s&rsquo;en s\u00e9parer en 1999&#8230; L&rsquo;association h\u00e9berg\u00e9e dans une salle de l&rsquo;\u00e9cole de la Garenne l&rsquo;a alors acquis. Cet instrument mont\u00e9 dans une monture \u00e0 \u00ab\u00a0berceau\u00a0\u00bb\u00a0a \u00e9t\u00e9 install\u00e9, par les membres de l&rsquo;association sur un chariot en bois afin de pouvoir le sortir et observer dans la cour..<\/p>\n<p style=\"margin: 0cm; margin-bottom: .0001pt;\">Le chercheur d&rsquo;origine a \u00e9t\u00e9 remplac\u00e9 par un viseur Telrad (**), le circuit \u00e9lectrique des moteurs a \u00e9t\u00e9 am\u00e9lior\u00e9.<br \/>\nApr\u00e8s plusieurs essais nous avons remarqu\u00e9 que la position du plan focal ne permettait pas de faire de la photo. Nous avons donc \u00ab\u00a0remont\u00e9\u00a0\u00bb un peu le miroir primaire et chang\u00e9 le secondaire.<\/p>\n<ul>\n<li>diam\u00e8tre du miroir primaire 314 mm<\/li>\n<li>focale 1950 mm<\/li>\n<li>ouverture relative 6,2 avec une pr\u00e9cision optique \u00e0 \u03bb\/10 (**)<\/li>\n<li>diam\u00e8tre du secondaire 72 mm (petit axe)<\/li>\n<li>entra\u00eenement horaire par variateur pour moteur synchrone.<\/li>\n<\/ul>\n<p>De 1999 \u00e0 2008 il est \u00ab\u00a0itin\u00e9rant\u00a0\u00bb&#8230; C&rsquo;est l&rsquo;instrument principal de l&rsquo;association et c&rsquo; est l&rsquo; \u00ab\u00a0<span style=\"text-decoration: underline;\">attraction<\/span>\u00a0\u00bb lors des manifestations annuelles de la Nuit des Etoiles&#8230;<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_1small.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"852\" data-permalink=\"https:\/\/voyager3.com\/?attachment_id=852\" data-orig-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_1small.jpg?fit=344%2C215&amp;ssl=1\" data-orig-size=\"344,215\" 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;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"314_1small\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Nuit des Etoiles&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_1small.jpg?fit=344%2C215&amp;ssl=1\" class=\"aligncenter wp-image-852 size-full\" title=\"Le T314 en action !\" src=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_1small.jpg?resize=344%2C215&#038;ssl=1\" alt=\"Nuit des Etoiles\" width=\"344\" height=\"215\" srcset=\"https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_1small.jpg?w=344&amp;ssl=1 344w, https:\/\/i0.wp.com\/voyager3.com\/wp-content\/uploads\/2015\/04\/314_1small.jpg?resize=300%2C188&amp;ssl=1 300w\" sizes=\"auto, (max-width: 344px) 100vw, 344px\" \/><\/a><\/p>\n<p>Cet \u00e9v\u00e8nement se d\u00e9roulait alors \u00e0 la salle polyvalente et sur le terrain de foot qui sont situ\u00e9s \u00e0 800 m de l&rsquo;\u00e9cole&#8230; Sans moyens de transport ad\u00e9quat il fallait le rouler, de nuit, par la voie principale de S\u00e9v\u00e9rac&#8230; le convoi \u00e9tait vraiment \u00ab\u00a0exceptionnel\u00a0\u00bb !!!<\/p>\n<p>L&rsquo;\u00e9volution de l&rsquo;instrument s&rsquo;av\u00e9rant n\u00e9cessaire, en 2008 la version \u00ab\u00a0itin\u00e9rante\u00a0\u00bb est abandonn\u00e9e. Il n&rsquo;en sera alors conserv\u00e9 que le tube optique qui sera am\u00e9lior\u00e9 (**), rigidifi\u00e9 et install\u00e9 \u00e0 poste fixe, sur une nouvelle \u00ab\u00a0monture \u00e0 fourche\u00a0\u00bb implant\u00e9e sous la coupole. Ainsi est n\u00e9 et a v\u00e9cu le T 314 qui aura \u00ab\u00a0servi\u00a0\u00bb 15 ans&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Baptis\u00e9 \u00ab\u00a0Lionel LEON \u00a0\u00bb en hommage \u00e0 son r\u00e9alisateur ce t\u00e9lescope a \u00e9t\u00e9 \u00ab\u00a0fabriqu\u00e9\u00a0\u00bb en\u00a01979&#8230; Lionel \u00e9tait alors membre du club de V\u00e9lizy (92). Il l&rsquo;avait install\u00e9 sous une coupole, en bois en forme de rhombicosidod\u00e9ca\u00e8dre construite en collaboration avec Jean-Paul PIERLOT. Lionel d\u00fb malheureusement d\u00e9m\u00e9nager dans le sud de la France peu de temps [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":62,"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-806","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P6Vaq2-d0","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/806","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/voyager3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=806"}],"version-history":[{"count":39,"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/806\/revisions"}],"predecessor-version":[{"id":2217,"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/806\/revisions\/2217"}],"up":[{"embeddable":true,"href":"https:\/\/voyager3.com\/index.php?rest_route=\/wp\/v2\/pages\/62"}],"wp:attachment":[{"href":"https:\/\/voyager3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}