{"id":2780,"date":"2026-05-28T19:23:08","date_gmt":"2026-05-28T17:23:08","guid":{"rendered":"http:\/\/localhost\/messier\/m66"},"modified":"2026-06-09T11:46:59","modified_gmt":"2026-06-09T09:46:59","slug":"m66-2","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m66-2\/","title":{"rendered":"M66 &#8211; Galaxie spirale M66"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M66 fut d\u00e9couverte par Pierre M\u00e9chain le 1er janvier 1780 et ind\u00e9pendamment par Charles Messier le 10 f\u00e9vrier 1780. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette galaxie spirale barr\u00e9e (type SABb) est la plus brillante du Trio du Lion et montre des signs \u00e9vidents d&rsquo;interaction gravitationnelle pass\u00e9e, notamment une asym\u00e9trie dans ses bras spiraux et un d\u00e9placement du noyau par rapport au centre dynamique. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle est situ\u00e9e \u00e0 environ 36 millions d&rsquo;ann\u00e9es-lumi\u00e8re. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M66 a \u00e9t\u00e9 le site de plusieurs supernovae, dont SN 1989B (d\u00e9couverte en 1989). Elle montre une formation stellaire active dans ses bras spiraux. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle peut \u00eatre observ\u00e9e avec des instruments d&rsquo;au moins 100 mm d&rsquo;ouverture. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Sources: SEDS Messier Database, Wikipedia, NASA.<\/em><\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-2780","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object"}],"about":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/types\/messier_object"}],"wp:attachment":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}