{"id":8177,"date":"2019-03-31T16:52:48","date_gmt":"2019-03-31T14:52:48","guid":{"rendered":"http:\/\/reperes-astro.fr\/?p=8177"},"modified":"2025-02-01T13:58:50","modified_gmt":"2025-02-01T12:58:50","slug":"travaux-du-30-mars-apres-reception-du-focuser","status":"publish","type":"post","link":"https:\/\/reperes-astro.fr\/travaux-du-30-mars-apres-reception-du-focuser\/","title":{"rendered":"TRAVAUX DU 30 MARS apr\u00e8s r\u00e9ception du focuser"},"content":{"rendered":"\n<p>Le nouveau focuser command\u00e9 chez Optique Unterlinden \u00e9tant arriv\u00e9 une journ\u00e9e bricolage a \u00e9t\u00e9 d\u00e9clench\u00e9e le samedi 30 Mars. Au programme plein de choses pour les membres pr\u00e9sents (Sophie, Christian, Mathieu, St\u00e9phane, Claude et Maxence). En plus de l&rsquo;installation du nouveau focuseur et de sa motorisation.<\/p>\n\n\n\n<p><strong>Nettoyage de la lame du BC600 par Sophie (qui v\u00e9rifie que personne ne va venir mettre des traces sur la lame, trop tard&#8230;) :<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_01551.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"320\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_01551-e1554044550970.jpg\" alt=\"\" class=\"wp-image-8190\" title=\"IMG_0155\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_01551-e1554044550970.jpg 240w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_01551-e1554044550970-225x300.jpg 225w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>V\u00e9rification de la collimation, \u00e9tape fastidieuse de part la nature du support du secondaire, mais petit \u00e0 petit le chantier se d\u00e9grossi :<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-008-600.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"385\" height=\"600\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-008-600.jpg\" alt=\"\" class=\"wp-image-8186\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-008-600.jpg 385w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-008-600-193x300.jpg 193w\" sizes=\"auto, (max-width: 385px) 100vw, 385px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"320\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0158-e1554044628731.jpg\" alt=\"\" class=\"wp-image-8192\" title=\"IMG_0158\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0158-e1554044628731.jpg 240w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0158-e1554044628731-225x300.jpg 225w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-011-600.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"419\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-011-600.jpg\" alt=\"\" class=\"wp-image-8185\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-011-600.jpg 600w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-011-600-300x210.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Le beau temps s&rsquo;\u00e9tant invit\u00e9 d&rsquo;autres travaux sont d\u00e9clench\u00e9s, sans oublier les pauses en mettant l&rsquo;oeil \u00e0 l&rsquo;occulaire du LX200 \u00e9quip\u00e9 de son filtre solaire ainsi que de la lunt qui nous laissera voir quelques protub\u00e9rances&#8230;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330Soleil-Ha-613-ASS-PS-66-600.jpg\" alt=\"\" class=\"wp-image-8187\" title=\"20190330Soleil-Ha-613-ASS-PS-66 600\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330Soleil-Ha-613-ASS-PS-66-600.jpg 600w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330Soleil-Ha-613-ASS-PS-66-600-300x300.jpg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330Soleil-Ha-613-ASS-PS-66-600-150x150.jpg 150w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330Soleil-Ha-613-ASS-PS-66-600-80x80.jpg 80w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330Soleil-Ha-613-ASS-PS-66-600-320x320.jpg 320w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>Entretien des ext\u00e9rieurs par Claude :<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/ext190330.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1500\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/ext190330.jpg\" alt=\"\" class=\"wp-image-8207\" style=\"width:630px\" title=\"ext190330\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/ext190330.jpg 1000w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/ext190330-200x300.jpg 200w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/ext190330-683x1024.jpg 683w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/ext190330-768x1152.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>Installation du barnum \u00e0 proximit\u00e9 de l&rsquo;aire d&rsquo;observation pour fournir un abri de fortune pour le mat\u00e9riel et une zone atelier pendant les stages :<br><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"320\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0162-e1554044659175.jpg\" alt=\"\" class=\"wp-image-8193\" title=\"IMG_0162\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0162-e1554044659175.jpg 240w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0162-e1554044659175-225x300.jpg 225w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/barnum190330.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/barnum190330.jpg\" alt=\"\" class=\"wp-image-8206\" style=\"width:630px\" title=\"barnum190330\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/barnum190330.jpg 1500w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/barnum190330-300x200.jpg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/barnum190330-1024x683.jpg 1024w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/04\/barnum190330-768x512.jpg 768w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>Christian consolide la gazelle pour observer sereinement (et avec moins d&rsquo;acrobaties) au BC600 : <\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0156.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"320\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0156-e1554044591316.jpg\" alt=\"\" class=\"wp-image-8191\" title=\"IMG_0156\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0156-e1554044591316.jpg 240w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0156-e1554044591316-225x300.jpg 225w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Deuxi\u00e8me bonne surprise apr\u00e8s le beau temps de l&rsquo;apr\u00e8s-midi, le beau temps du soir ! V\u00e9rification de la collimation du BC600 et du LX200 puis petite s\u00e9ance d&rsquo;observation sur les deux t\u00e9lescopes. Nous seront rejoints plus tard par Arnaud et C\u00e9line.<\/p>\n\n\n\n<p>Petit match entre nos deux t\u00e9lescopes fixes, m\u00eames cibles mais pas le m\u00eame r\u00e9sultat&#8230; Le BC600 nous am\u00e8ne vers M51, les noyaux sont bien visibles et le bras reliant les deux galaxies se laisse observer, ainsi que les extensions un peu plus t\u00e9nues&#8230; Pour la suite direction la constellation du Lion et le Triplet du Lion, M65 et M66 sont magnifiques \u00e0 l&rsquo;oculaire de 20mm 100\u00b0 et NGC3628 n&rsquo;est qu&rsquo;\u00e0 quelques coups de raquette, aussi belle que les deux autres.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"356\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-059-600.jpg\" alt=\"\" class=\"wp-image-8184\" title=\"20190330-XE3-059 600\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-059-600.jpg 600w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-059-600-300x178.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Changement d&rsquo;ambiance sur M3, un fourmillement d&rsquo;\u00e9toiles.. encore une fois le BC600 associ\u00e9 \u00e0 un oculaire 20mm et 100\u00b0 de champ permet d&#8217;embrasser l&rsquo;ensemble de l&rsquo;amas d&rsquo;un coup d&rsquo;oeil&#8230; Nous terminons notre s\u00e9ance visuelle sur la n\u00e9buleuse du Clown, Mathieu la place au centre de l&rsquo;oculaire et d\u00e9cide de pousser le grossissement, oculaire de 8mm ! Surpise pour les observateurs la structure de la n\u00e9buleuse se laisse contempler.. magnifique, le comparatif avec le LX200 est sans appel, le diam\u00e8tre ya que \u00e7a de vrai \ud83d\ude42 !<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-099-600.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"419\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-099-600.jpg\" alt=\"\" class=\"wp-image-8183\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-099-600.jpg 600w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-099-600-300x210.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Fin des festivit\u00e9s, la Moravian est d\u00e9ball\u00e9e et associ\u00e9e au correcteur de coma, l&rsquo;ensemble est imposant, l&rsquo;\u00e9quilibre du t\u00e9lescope devra \u00eatre rev\u00e9rifi\u00e9&#8230; La mise au point \u00e9lectrique est parfaite, les premiers essais montrent une d\u00e9formation importante des \u00e9toiles&#8230; Plusieurs pistes sont envisag\u00e9es et le probl\u00e8me sera r\u00e9solu le lendemain on ne peut que constater l&rsquo;efficacit\u00e9 du correcteur sur l&rsquo;ensemble du champ imag\u00e9.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0166.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"320\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0166-e1554043798291.jpg\" alt=\"\" class=\"wp-image-8178\" title=\"IMG_0166\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0166-e1554043798291.jpg 240w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/IMG_0166-e1554043798291-225x300.jpg 225w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>L&rsquo;\u00e9quipe \u00ab\u00a0contr\u00f4le\u00a0\u00bb au sol, et Mathieu au poste \u00ab\u00a0Mise au point\u00a0\u00bb en haut du BC600, le focseur offre beaucoup de souplesse,&nbsp; la bascule mise au point manuelle\/\u00e9lectrique se fait en une seconde et la souplesse de l&rsquo;ensemble de la m\u00e9canique est impressionnante.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"671\" height=\"1047\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-1101.jpg\" alt=\"\" class=\"wp-image-8180\" style=\"width:630px\" title=\"20190330-XE3-110\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-1101.jpg 671w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-1101-192x300.jpg 192w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2019\/03\/20190330-XE3-1101-656x1024.jpg 656w\" sizes=\"auto, (max-width: 671px) 100vw, 671px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Nous nous quittons \u00e0 1h30 du matin, une journ\u00e9e bien remplie chez Rep\u00e8res&#8230;<\/p>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_8177\" class=\"pvc_stats all  \" data-element-id=\"8177\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Le nouveau focuser command\u00e9 chez Optique Unterlinden \u00e9tant arriv\u00e9 une journ\u00e9e bricolage a \u00e9t\u00e9 d\u00e9clench\u00e9e le samedi 30 Mars. 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