{"id":2331,"date":"2025-02-04T11:31:16","date_gmt":"2025-02-04T10:31:16","guid":{"rendered":"https:\/\/vega78astronomie.fr\/?p=2331"},"modified":"2025-02-04T11:56:05","modified_gmt":"2025-02-04T10:56:05","slug":"sh2-261-la-nebuleuse-de-lower","status":"publish","type":"post","link":"https:\/\/vega78astronomie.fr\/index.php\/2025\/02\/04\/sh2-261-la-nebuleuse-de-lower\/","title":{"rendered":"Sh2-261, la n\u00e9buleuse de Lower"},"content":{"rendered":"\n<p>C&rsquo;est une n\u00e9buleuse en \u00e9mission de magnitude 10 situ\u00e9e \u00e0 3200 ann\u00e9es-lumi\u00e8re au niveau de la main d&rsquo;Orion dans la constellation du m\u00eame nom. Compte tenu de sa distance, sa taille apparente d&rsquo;environ 45&prime; correspond \u00e0 une taille r\u00e9elle de 42 ann\u00e9es-lumi\u00e8re. Elle est aussi catalogu\u00e9e sous le num\u00e9ro LBN863.<br>La photo a \u00e9t\u00e9 r\u00e9alis\u00e9e mi-janvier avec une lunette Vixen Apo Fluo 102\/900 avec r\u00e9ducteur x0,8 en 2h45 de pose.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1016\" height=\"1024\" src=\"https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-1016x1024.jpeg\" alt=\"\" class=\"wp-image-2332\" srcset=\"https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-1016x1024.jpeg 1016w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-298x300.jpeg 298w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-150x150.jpeg 150w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-768x774.jpeg 768w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-1524x1536.jpeg 1524w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-2032x2048.jpeg 2032w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/Sh2_261_V2-198x200.jpeg 198w\" sizes=\"auto, (max-width: 1016px) 100vw, 1016px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Photo Jean-Philippe Dos Santos dans la r\u00e9gion plaisiroise<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"139\" height=\"300\" src=\"https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/484e48c5-5eef-4cd9-819a-886919867cf6-139x300.jpg\" alt=\"\" class=\"wp-image-2333\" srcset=\"https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/484e48c5-5eef-4cd9-819a-886919867cf6-139x300.jpg 139w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/484e48c5-5eef-4cd9-819a-886919867cf6-473x1024.jpg 473w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/484e48c5-5eef-4cd9-819a-886919867cf6-768x1662.jpg 768w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/484e48c5-5eef-4cd9-819a-886919867cf6-710x1536.jpg 710w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/484e48c5-5eef-4cd9-819a-886919867cf6-92x200.jpg 92w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/02\/484e48c5-5eef-4cd9-819a-886919867cf6.jpg 828w\" sizes=\"auto, (max-width: 139px) 100vw, 139px\" \/><figcaption class=\"wp-element-caption\"><em>Situation de Sh2-261<\/em><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>C&rsquo;est une n\u00e9buleuse en \u00e9mission de magnitude 10 situ\u00e9e \u00e0 3200 ann\u00e9es-lumi\u00e8re au niveau de la main d&rsquo;Orion dans la constellation du m\u00eame nom. Compte tenu de sa distance, sa taille apparente d&rsquo;environ 45&prime; correspond \u00e0 une taille r\u00e9elle de 42 ann\u00e9es-lumi\u00e8re. Elle est aussi catalogu\u00e9e sous le num\u00e9ro LBN863.La photo a \u00e9t\u00e9 r\u00e9alis\u00e9e mi-janvier [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-2331","post","type-post","status-publish","format-standard","hentry","category-ciel-profond"],"_links":{"self":[{"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/posts\/2331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/comments?post=2331"}],"version-history":[{"count":3,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/posts\/2331\/revisions"}],"predecessor-version":[{"id":2338,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/posts\/2331\/revisions\/2338"}],"wp:attachment":[{"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/categories?post=2331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/tags?post=2331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}