{"id":2823,"date":"2026-05-28T19:23:08","date_gmt":"2026-05-28T17:23:08","guid":{"rendered":"http:\/\/localhost\/messier\/m109"},"modified":"2026-06-16T15:15:41","modified_gmt":"2026-06-16T13:15:41","slug":"m109-2","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m109-2\/","title":{"rendered":"M109 &#8211; Galaxie spirale M109"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M109 fut d\u00e9couverte par Pierre M\u00e9chain en 1781 ou 1782. La galaxie fut ajout\u00e9e au catalogue par Owen Gingerich en 1960.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette galaxie spirale barr\u00e9e (type SBc) est le membre le plus brillant du Groupe de M81 et la galaxie spirale la plus brillante du catalogue Messier. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle est situ\u00e9e \u00e0 environ 83,5 millions d&rsquo;ann\u00e9es-lumi\u00e8re, ce qui en fait l&rsquo;un des objets Messier les plus lointains. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M109 poss\u00e8de une barre pro\u00e9minente et des bras spiraux flous.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle peut \u00eatre observ\u00e9e avec des t\u00e9lescopes d&rsquo;au moins 150 mm d&rsquo;ouverture, mais reste faible. <\/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-2823","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2823","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=2823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}