{"id":2150,"date":"2024-07-14T11:36:02","date_gmt":"2024-07-14T10:36:02","guid":{"rendered":"http:\/\/www.obs-vignotte.fr\/?p=2150"},"modified":"2024-07-14T12:09:53","modified_gmt":"2024-07-14T11:09:53","slug":"dobson-210-de-voyage","status":"publish","type":"post","link":"https:\/\/www.obs-vignotte.fr\/?p=2150","title":{"rendered":"Dobson 210 de voyage"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-1-1024x768.jpg\" alt=\"\" class=\"wp-image-2152\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-1-1024x768.jpg 1024w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-1-300x225.jpg 300w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-1-768x576.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-1-400x300.jpg 400w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-1.jpg 2016w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">On ne se refait pas&#8230; avoir un petit t\u00e9lescope transportable, rapidement installable&#8230; c&rsquo;est l&rsquo;id\u00e9al. J&rsquo;aurais test\u00e9 le <a href=\"http:\/\/www.obs-vignotte.fr\/?p=1490\">Sumerian 10&Prime;<\/a>,  exploit\u00e9 en toutes circonstances le <a href=\"http:\/\/www.obs-vignotte.fr\/?p=1040\">Hofheim 8&Prime;<\/a>, construit un <a href=\"http:\/\/www.obs-vignotte.fr\/?p=250\">8&Prime; \u00e0 F\/D=6<\/a> &#8230; <\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Voici le dernier n\u00e9 de la s\u00e9rie, un 210mm \u00e0 F\/D=5,72 dot\u00e9 d&rsquo;optiques en pyrex tch\u00e8ques de chez OSOV. <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-2-768x1024.jpg\" alt=\"\" class=\"wp-image-2154\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-2-768x1024.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-2-225x300.jpg 225w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-2.jpg 1512w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le poids de l&rsquo;ensemble est de 7,9kg, et tient dans une valise cabine. La caisse du primaire mesure 28&#215;28 cm en contre-plaqu\u00e9 de 9mm. Le barillet de 15mm d&rsquo;\u00e9paisseur propose 6 points de contact avec le miroir et trois cales \u00e0 120\u00b0. Les 2 haches disposent d&rsquo;une surface de glissement en stratifi\u00e9. <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-3-768x1024.jpg\" alt=\"\" class=\"wp-image-2155\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-3-768x1024.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-3-225x300.jpg 225w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-3.jpg 1512w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La cage du secondaire est hexagonale avec un miroir plan minimaliste de 40mm sur le petit axe. Le porte oculaire \u00e0 vis, en 1,25 pouces, p\u00e8se moins de 100g. La cage est compl\u00e9t\u00e9e par un chercheur point rouge. La structure du serrurier est compos\u00e9e de 16 tubes aluminium de 6mm assembl\u00e9s offrant une rigidit\u00e9 de qualit\u00e9. Assembl\u00e9e par le milieu via des vis M3, les tiges de 49cm se rangent dans un \u00e9tui sp\u00e9cifique. <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-4-1024x768.jpg\" alt=\"\" class=\"wp-image-2156\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-4-1024x768.jpg 1024w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-4-300x225.jpg 300w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-4-768x576.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-4-400x300.jpg 400w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-4.jpg 2016w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le rocker dispose d&rsquo;une surface de Formica pour le glissement en azimut et des patins de t\u00e9flon pour les mouvements en altitude. Les mouvements sont pr\u00e9cis avec un bon coefficient de frottement. L&rsquo;\u00e9quilibre est tenu pour des oculaires de 250 grammes.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-5-768x1024.jpg\" alt=\"\" class=\"wp-image-2157\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-5-768x1024.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-5-225x300.jpg 225w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2024\/07\/Dob200-5.jpg 1512w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En guise de conclusion, la simplicit\u00e9 de la conception du dobson, sa transportabilit\u00e9 remarquable, permet une pratique de l&rsquo;observation partout et \u00e0 tout moment. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>On ne se refait pas&#8230; avoir un petit t\u00e9lescope transportable, rapidement installable&#8230; c&rsquo;est l&rsquo;id\u00e9al. J&rsquo;aurais test\u00e9 le Sumerian 10&Prime;, exploit\u00e9 en toutes circonstances le Hofheim 8&Prime;, construit un 8&Prime; \u00e0 F\/D=6 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[35,179,97],"class_list":["post-2150","post","type-post","status-publish","format-standard","hentry","category-ressources","tag-dobson","tag-travel-dobson","tag-voyage"],"_links":{"self":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts\/2150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2150"}],"version-history":[{"count":9,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts\/2150\/revisions"}],"predecessor-version":[{"id":2167,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts\/2150\/revisions\/2167"}],"wp:attachment":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}