{"id":2814,"date":"2026-05-28T19:23:08","date_gmt":"2026-05-28T17:23:08","guid":{"rendered":"http:\/\/localhost\/messier\/m100"},"modified":"2026-06-11T18:17:19","modified_gmt":"2026-06-11T16:17:19","slug":"m100-2","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m100-2\/","title":{"rendered":"M100 &#8211; Galaxie du Miroir"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M100, \u00e9galement connue sous le nom de Galaxie du Miroir, fut d\u00e9couverte par Pierre M\u00e9chain le 15 mars 1781 et ind\u00e9pendamment par Charles Messier le 24 mars 1781. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette galaxie spirale (type SAB(s)cd) est l&rsquo;une des plus brillantes et des plus grandes galaxies spirales de l&rsquo;Amas de la Chevelure de B\u00e9r\u00e9nice, vue presque enti\u00e8rement de face.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle est situ\u00e9e \u00e0 environ 55 millions d&rsquo;ann\u00e9es-lumi\u00e8re. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M100 montre des bras spiraux bien d\u00e9finis et une intense formation stellaire, visible dans ses nombreuses r\u00e9gions HII. La galaxie a \u00e9t\u00e9 le site de plusieurs supernovae, dont SN 2006X (2006) et SN 2019eh (2019). <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle est observable avec des t\u00e9lescopes 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-2814","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2814","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=2814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}