{"id":2547,"date":"2025-12-23T10:42:56","date_gmt":"2025-12-23T09:42:56","guid":{"rendered":"https:\/\/vega78astronomie.fr\/?p=2547"},"modified":"2025-12-23T10:47:13","modified_gmt":"2025-12-23T09:47:13","slug":"ngc1893-ic410-et-ic417","status":"publish","type":"post","link":"https:\/\/vega78astronomie.fr\/index.php\/2025\/12\/23\/ngc1893-ic410-et-ic417\/","title":{"rendered":"NGC1893, IC410 et IC417"},"content":{"rendered":"\n<p>En ce moment des f\u00eates de No\u00ebl, petit voyage dans la constellation du Cocher (celui qui pilote les rennes ?) pour admirer ces trois objets. IC410 est une n\u00e9buleuse en \u00e9mission situ\u00e9e \u00e0 11000 a.l., et qui h\u00e9berge l&rsquo;amas ouvert NGC1893 \u00e2g\u00e9 d&rsquo;environ 10 millions d&rsquo;ann\u00e9es. On l&rsquo;appelle aussi n\u00e9buleuse des T\u00eatards. IC417, aussi appel\u00e9e n\u00e9buleuse de l&rsquo;Araign\u00e9e, situ\u00e9e \u00e0 7500 a.l. est le si\u00e8ge de puissants processus de formation d&rsquo;\u00e9toiles. Elle h\u00e9berge l&rsquo;amas ouvert Stock 8, dont les \u00e9toiles sont jeunes avec des \u00e2ges s&rsquo;\u00e9talant de 1 \u00e0 5 millions d&rsquo;ann\u00e9es, ce qui fait penser que la formation d&rsquo;\u00e9toiles a eu lieu \u00e0 plusieurs reprises dans cette r\u00e9gion. Ces objets ont \u00e9t\u00e9 imag\u00e9s par Lo\u00efck dans des conditions et avec un traitement diff\u00e9rents : voir le post du 1er d\u00e9cembre.<br>Une image prises par Jean-Philippe dans des conditions difficiles avec l&rsquo;arriv\u00e9e d&rsquo;un nouvel \u00e9clairage urbain \u00e0 LED qui \u00e9claire directement son jardin !&#8230; Le r\u00e9sultat est n\u00e9anmoins superbe. Cette photo a \u00e9t\u00e9 prise avec une lunette Esprit 100ED accompagn\u00e9e d&rsquo;un aplanisseur de champ, d&rsquo;un filtre Antlia 3B et d&rsquo;une cam\u00e9ra ASI2600MC Pro, pour un total de 2h30 de pose (30 x 5&prime;).<br>L&rsquo;image en pleine d\u00e9finition est disponible <a href=\"https:\/\/app.astrobin.com\/u\/JeanPhi6809?i=s4dh5k#gallery\">ici<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-1024x684.jpeg\" alt=\"\" class=\"wp-image-2550\" srcset=\"https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-1024x684.jpeg 1024w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-300x200.jpeg 300w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-768x513.jpeg 768w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-100x67.jpeg 100w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-1536x1026.jpeg 1536w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-2048x1368.jpeg 2048w, https:\/\/vega78astronomie.fr\/wp-content\/uploads\/2025\/12\/NGC1893_IC417_VR_JPDS-200x134.jpeg 200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Photo Jean-Philippe Dos Santos, r\u00e9gion de Plaisir<\/em><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>En ce moment des f\u00eates de No\u00ebl, petit voyage dans la constellation du Cocher (celui qui pilote les rennes ?) pour admirer ces trois objets. IC410 est une n\u00e9buleuse en \u00e9mission situ\u00e9e \u00e0 11000 a.l., et qui h\u00e9berge l&rsquo;amas ouvert NGC1893 \u00e2g\u00e9 d&rsquo;environ 10 millions d&rsquo;ann\u00e9es. On l&rsquo;appelle aussi n\u00e9buleuse des T\u00eatards. IC417, aussi appel\u00e9e [&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":[123,111,121,120,113],"class_list":["post-2547","post","type-post","status-publish","format-standard","hentry","category-ciel-profond","tag-araignee","tag-ic410","tag-ic417","tag-ngc1893","tag-tetards"],"_links":{"self":[{"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/posts\/2547","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=2547"}],"version-history":[{"count":4,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/posts\/2547\/revisions"}],"predecessor-version":[{"id":2553,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/posts\/2547\/revisions\/2553"}],"wp:attachment":[{"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/categories?post=2547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vega78astronomie.fr\/index.php\/wp-json\/wp\/v2\/tags?post=2547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}