{"id":5577,"date":"2017-01-18T17:38:22","date_gmt":"2017-01-18T16:38:22","guid":{"rendered":"http:\/\/reperes-astro.fr\/?p=5577"},"modified":"2025-01-20T15:38:57","modified_gmt":"2025-01-20T14:38:57","slug":"ic-410-par-mathieu","status":"publish","type":"post","link":"https:\/\/reperes-astro.fr\/ic-410-par-mathieu\/","title":{"rendered":"Derni\u00e8res productions de  Mathieu"},"content":{"rendered":"\n<p><strong>VOIR LE SITE DE MATHIEU <a href=\"https:\/\/guinotmathieu.wixsite.com\/astrophoto\/copie-de-ngc-7822\" target=\"_blank\" rel=\"noreferrer noopener\">ICI<\/a>.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>IC410<\/strong><\/h2>\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\/2017\/01\/IC-en-600.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/IC-en-600.jpg\" alt=\"\" class=\"wp-image-5575\" style=\"object-fit:cover\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/IC-en-600.jpg 600w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/IC-en-600-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption class=\"wp-element-caption\">IC 410<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Camera CCD QSI 683ws8 sur lunette Televue 101\/540 et Eq6 pro goto.<\/p>\n\n\n\n<p>(Echantillonage 2.06 arcsec\/pixel)<\/p>\n\n\n\n<p>Auto guidage diviseur optique + zwo Asi 120mm<\/p>\n\n\n\n<p>14 heures&nbsp;de poses les 26 et 28 d\u00e9cembre 2016 et 2 janvier 2017.<\/p>\n\n\n\n<p>\u200bH : 46*10 mn bin1<\/p>\n\n\n\n<p>O : 40*5 mn bin2<\/p>\n\n\n\n<p>S&nbsp;: 36*5 mn bin2<\/p>\n\n\n\n<p>\u200bTraitement Prism v9, Pixinsight, Photoshop<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>\u00a0M 42 LA NEBULEUSE D&rsquo;ORION<\/strong><\/h2>\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\/2017\/01\/2017-01-MATHIEU-M42-600.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"465\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/2017-01-MATHIEU-M42-600.jpg\" alt=\"\" class=\"wp-image-5598\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/2017-01-MATHIEU-M42-600.jpg 600w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/2017-01-MATHIEU-M42-600-300x233.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption class=\"wp-element-caption\">M42<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u00a0Camera CCD QSI 683ws8 sur lunette Televue 101\/540 et Eq6 pro goto.<\/p>\n\n\n\n<p>(Echantillonage 2.06 arcsec\/pixel)<\/p>\n\n\n\n<p>Auto guidage diviseur optique + zwo Asi 120mm<\/p>\n\n\n\n<p>3h30 de poses en janvier 2017.<\/p>\n\n\n\n<p>\u200bH : 12*10 mn bin1<\/p>\n\n\n\n<p>R : 6*5 mn bin2<\/p>\n\n\n\n<p>V&nbsp;: 6*5 mn bin2<\/p>\n\n\n\n<p>B : 6*5mn bin2<\/p>\n\n\n\n<p>\u200b+ poses de 30 secondes HRVB pour le coeur de la n\u00e9buleuse fort brillant<\/p>\n\n\n\n<p>\u200bTraitement Prism v9, Pixinsight, Photoshop HRVB<\/p>\n\n\n\n<p>\u00a0<span style=\"color: #000000;\"><strong>La n\u00e9buleuse d&rsquo;Orion ou M42<\/strong> est une n\u00e9buleuse en \u00e9mission\/r\u00e9flexion situ\u00e9e dans la constellation du m\u00eame nom.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Sur cette image \u00e9galement M43 et NGC 1977, appel\u00e9e aussi Running man nebula.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Elle est la&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/N%C3%A9buleuse_diffuse\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">n\u00e9buleuse diffuse<\/span><\/a>&nbsp;la plus luisante, visible \u00e0 l&rsquo;\u0153il nu dans un ciel de nuit sans&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Pollution_lumineuse\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">pollution lumineuse<\/span><\/a>&nbsp;et peut \u00eatre facilement vue avec des&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Jumelles\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">jumelles<\/span><\/a>. Elle se r\u00e9pand sur un pan de ciel de 66&nbsp;\u00d7&nbsp;60&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Minute_d%27arc\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">minutes d&rsquo;arc<\/span><\/a>, soit quatre fois plus que la&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Pleine_lune\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">pleine lune<\/span><\/a>. La n\u00e9buleuse a une taille d&rsquo;environ 33 ann\u00e9es-lumi\u00e8re.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Il aura fallu attendre 2007 pour s&rsquo;apercevoir que la n\u00e9buleuse se trouve \u00e0 environ 1&nbsp;350&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Ann%C3%A9e-lumi%C3%A8re\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">ann\u00e9es-lumi\u00e8re<\/span><\/a>&nbsp;de la&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Terre\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">Terre<\/span><\/a>&nbsp;au lieu des 1&nbsp;500&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Ann%C3%A9e-lumi%C3%A8re\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">ann\u00e9es-lumi\u00e8re<\/span><\/a>&nbsp;jusque-l\u00e0 estim\u00e9es. Elle contient un&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Amas_ouvert\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">amas ouvert<\/span><\/a>&nbsp;tr\u00e8s jeune renfermant de nombreuses&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/%C3%89toile\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">\u00e9toiles<\/span><\/a>. <em>(wiki)<\/em><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>M45 LES PLEIADES<\/strong><\/h2>\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\/2017\/01\/2017-MATHIEU-PLEIADES-600.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"440\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/2017-MATHIEU-PLEIADES-600.jpg\" alt=\"\" class=\"wp-image-5596\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/2017-MATHIEU-PLEIADES-600.jpg 600w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2017\/01\/2017-MATHIEU-PLEIADES-600-300x220.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption class=\"wp-element-caption\">LES PLEIADES<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u00a0Lunette Televue 101\/540 Genesis sdf et camera QSI 683 ws8<\/p>\n\n\n\n<p>7h50 de poses les 31 octobre, 2, 21, 28 novembre et 3 d\u00e9cembre 2016 \u00e0 Amiens.<\/p>\n\n\n\n<p>L : 21*10 mn bin1<\/p>\n\n\n\n<p>R : 6 * 10mn bin2<\/p>\n\n\n\n<p>G : 10*10mn bin2<\/p>\n\n\n\n<p>B : 10*10mn bin2<\/p>\n\n\n\n<p>\u200bTraitement Prism, Pixinsight, Photoshop.<\/p>\n\n\n\n<p><span style=\"color: #000000;\"><strong>Les Pl\u00e9iades, ou M45<\/strong>, sont un&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Amas_ouvert\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">amas ouvert<\/span><\/a>&nbsp;d&rsquo;\u00e9toiles qui s&rsquo;observe dans l&rsquo;h\u00e9misph\u00e8re nord, dans la constellation du&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Taureau_%28constellation%29\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">Taureau<\/span><\/a>.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Il existe un d\u00e9bat concernant l&rsquo;exactitude de la distance de l&rsquo;amas \u00e0 la Terre. Cette distance, selon les diff\u00e9rents instruments techniques utilis\u00e9s, pourrait \u00eatre estim\u00e9e \u00e0 environ 444 ann\u00e9es-lumi\u00e8re.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">On d\u00e9nombre aujourd&rsquo;hui dans cet amas environ 3&nbsp;000&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/%C3%89toile\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">\u00e9toiles<\/span><\/a>, dont une douzaine sont visibles \u00e0 l&rsquo;\u0153il nu. Il s&rsquo;\u00e9tend sur&nbsp;2\u00b0, soit l&rsquo;\u00e9quivalent de quatre fois le diam\u00e8tre apparent de la&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Lune\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">Lune<\/span><\/a>. Sa densit\u00e9 est donc relativement faible par rapport aux autres amas ouverts. L&rsquo;\u00e2ge de l&rsquo;amas est estim\u00e9 \u00e0&nbsp;100&nbsp;millions d&rsquo;ann\u00e9es, mais il ne devrait pas vivre longtemps puisqu&rsquo;il devrait se s\u00e9parer dans&nbsp;250&nbsp;millions d&rsquo;ann\u00e9es, en partie \u00e0 cause de sa faible densit\u00e9 (il s&rsquo;agit ici de la vie de l&rsquo;amas et non de celle des \u00e9toiles qui le composent).<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Les 9 \u00e9toiles les plus brillantes de l&rsquo;amas tirent leur nom des pl\u00e9iades (7 s\u0153urs) et de leurs parents. Leur&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Magnitude_apparente\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">magnitude apparente<\/span><\/a>&nbsp;est comprise entre +2,86 et +5,44, donc accessible \u00e0 l&rsquo;\u0153il nu.&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Ast%C3%A9rope_%28%C3%A9toile%29\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">Ast\u00e9rope<\/span><\/a>&nbsp;a la particularit\u00e9 d&rsquo;\u00eatre une \u00e9toile double. <em>(wikipedia)<\/em><\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Les&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Reflection_nebula\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">n\u00e9buleuses par r\u00e9flexion<\/span><\/a>&nbsp;sont le reflet de la lumi\u00e8re d&rsquo;une \u00e9toile proche sur d&rsquo;innombrables petits grains de&nbsp;<a href=\"http:\/\/periodic.lanl.gov\/6.shtml\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">carbone<\/span><\/a>. La couleur bleue des&nbsp;<a href=\"http:\/\/fusedweb.pppl.gov\/CPEP\/Chart_Pages\/5.Plasmas\/Nebula\/Reflection.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">n\u00e9buleuses par r\u00e9flexion<\/span><\/a>&nbsp;vient du fait que la partie bleue du spectre lumineux est&nbsp;<a href=\"http:\/\/hyperphysics.phy-astr.gsu.edu\/hbase\/atmos\/blusky.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">plus efficacement diffus\u00e9e<\/span><\/a>&nbsp;par la&nbsp;<a href=\"http:\/\/antwrp.gsfc.nasa.gov\/apod\/ap980104.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">poussi\u00e8re<\/span><\/a>&nbsp;de carbone que la partie rouge. L&rsquo;\u00e9clat de&nbsp;<a href=\"http:\/\/www.youtube.com\/watch?v=fq7vKB7o0GI\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">la n\u00e9buleuse<\/span><\/a>&nbsp;est quant \u00e0 lui d\u00e9termin\u00e9 par la taille et la densit\u00e9 des grains r\u00e9fl\u00e9chissants, et bien s\u00fbr par la couleur et l&rsquo;intensit\u00e9 du rayonnement de l&rsquo;\u00e9toile, source primaire de lumi\u00e8re.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">La n\u00e9bulosit\u00e9 dans laquelle baignent&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Pleiades\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">les Pl\u00e9iades<\/span><\/a>&nbsp;n&rsquo;est pas comme on l&rsquo;a longtemps cru un vestige du nuage dans lequel elles se sont form\u00e9es, mais est en fait due \u00e0 une&nbsp;<a href=\"http:\/\/meowpress.org\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2011\/11\/DSC00851.jpg\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">rencontre fortuite<\/span><\/a>&nbsp;entre&nbsp;<a href=\"http:\/\/antwrp.gsfc.nasa.gov\/apod\/open_clusters.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">l&rsquo;amas ouvert<\/span><\/a>&nbsp;et un&nbsp;<a href=\"http:\/\/antwrp.gsfc.nasa.gov\/apod\/ap120129.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">nuage mol\u00e9culaire<\/span><\/a>&nbsp;de poussi\u00e8res.<\/span><\/p>\n\n\n\n<p><\/p>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_5577\" class=\"pvc_stats all  \" data-element-id=\"5577\" 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>VOIR LE SITE DE MATHIEU ICI. IC410 Camera CCD QSI 683ws8 sur lunette Televue 101\/540 et Eq6 pro goto. (Echantillonage 2.06&#46;&#46;&#46;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5577\" class=\"pvc_stats all  \" data-element-id=\"5577\" 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>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":2,"featured_media":5575,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108,102,72],"tags":[],"class_list":["post-5577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archives-reperes-astro-2017","category-archives-reperes-astro","category-astrophotos-reperes-astro"],"yoast_head":"<title>Derni\u00e8res productions de Mathieu - Rep\u00e8res Astro<\/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:\/\/reperes-astro.fr\/ic-410-par-mathieu\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Derni\u00e8res productions de Mathieu - Rep\u00e8res Astro\" \/>\n<meta property=\"og:description\" content=\"VOIR LE SITE DE MATHIEU ICI. IC410 Camera CCD QSI 683ws8 sur lunette Televue 101\/540 et Eq6 pro goto. 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