{"id":8794,"date":"2020-08-20T18:07:49","date_gmt":"2020-08-20T17:07:49","guid":{"rendered":"http:\/\/jalle-astro.fr\/wp\/?p=8794"},"modified":"2023-03-04T11:08:16","modified_gmt":"2023-03-04T10:08:16","slug":"la-comete-neowise-a-illumine-le-ciel-de-juillet","status":"publish","type":"post","link":"http:\/\/jalle-astro.fr\/wp\/la-comete-neowise-a-illumine-le-ciel-de-juillet\/","title":{"rendered":"LA Com\u00e8te Neowise a illumin\u00e9 le ciel de juillet"},"content":{"rendered":"<p>La COMETE C\/2020 F3, dite NEOWISE a \u00e9t\u00e9 d\u00e9couverte le 27 mars 2020 par le t\u00e9lescope spatial NEOWISE*.<br \/>\nD&rsquo;une magnitude visuelle de 7 \u00e0 la mi-juin, elle est pass\u00e9e au plus pr\u00e8s du soleil le 3 juillet 2020, \u00e0 43 millions km. Ce passage au plus pr\u00e8s du Soleil a consid\u00e9rablement fait augmenter son activit\u00e9, la rendant visible \u00e0 l\u2019\u0153il nu, avec une magnitude d&rsquo;environ +1.<br \/>\nApr\u00e8s son passage au p\u00e9rih\u00e9lie, la com\u00e8te a d\u00e9velopp\u00e9 une seconde queue constitu\u00e9e de gaz, l\u2019autre \u00e9tant constitu\u00e9e de poussi\u00e8re.<br \/>\nElle est pass\u00e9e au plus proche de la Terre le 23 juillet 2020, \u00e0 une distance de 103 millions km. Elle \u00e9tait visible dans la Grande Ourse du 17 au 29 juillet 2020. l&rsquo;animation ci-apr\u00e8s, extraite de wikipedia\u00a4, illustre la trajectoire de la com\u00e8te dans le ciel: <a href=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/File_Animation_of_C\uff0f2020_F3_orbit_around_Sun.html\">File_Animation_of_C\uff0f2020_F3_orbit_around_Sun<\/a><\/p>\n<p>(*) Le t\u00e9lescope NEOWISE qui avait pour objectif initial d\u2019observer le ciel profond dans l&rsquo;infrarouge (WISE, pour Widefield Infrared Survey Explorer) a \u00e9volu\u00e9 vers l\u2019observation des objets proches de la Terre (NEO, pour Near Earth Object).<br \/>\n(\u00a4) https:\/\/fr.wikipedia.org\/wiki\/C\/2020_F3_(NEOWISE)<\/p>\n<p>Les astrophotographes amateurs et professionnels ont pu r\u00e9aliser de remarquables clich\u00e9s, d\u2019autant plus que la com\u00e8te s\u2019est bien rapproch\u00e9e de la TERRE en Juillet.<\/p>\n<p><strong>Nous vous proposons quelques superbes images prises par des membres de Jalle Astronomie<\/strong>.<\/p>\n<p>D&rsquo;autres images sont visibles sur le site <a href=\"http:\/\/jalle-astro.fr\">jalle-astro.fr<\/a>, dans l&rsquo;onglet \u00ab\u00a0galerie\u00a0\u00bb<\/p>\n<div id='gallery-1' class='gallery galleryid-8794 gallery-columns-3 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/jalle-astro.fr\/wp\/la-comete-neowise-a-illumine-le-ciel-de-juillet\/20200723175010-e24d7654-me_pascal-bonnet\/'><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"167\" src=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200723175010-e24d7654-me_Pascal-Bonnet-620x413.png\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-8805\" srcset=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200723175010-e24d7654-me_Pascal-Bonnet-620x413.png 620w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200723175010-e24d7654-me_Pascal-Bonnet-768x512.png 768w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200723175010-e24d7654-me_Pascal-Bonnet.png 792w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-8805'>\n\t\t\t\tcr\u00e9dit photo: Pascal Bonnet\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/jalle-astro.fr\/wp\/la-comete-neowise-a-illumine-le-ciel-de-juillet\/20200721105816-790c5eb3-me_loic-fouque\/'><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"185\" src=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200721105816-790c5eb3-me_Lo\u00efc-Fouqu\u00e9-620x459.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-8804\" srcset=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200721105816-790c5eb3-me_Lo\u00efc-Fouqu\u00e9-620x459.jpg 620w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200721105816-790c5eb3-me_Lo\u00efc-Fouqu\u00e9-768x568.jpg 768w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200721105816-790c5eb3-me_Lo\u00efc-Fouqu\u00e9.jpg 792w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-8804'>\n\t\t\t\tcr\u00e9dit photo: Lo\u00efc Fouqu\u00e9\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/jalle-astro.fr\/wp\/la-comete-neowise-a-illumine-le-ciel-de-juillet\/20200718140031-39f40ee7-me_philippe-coni\/'><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"167\" src=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200718140031-39f40ee7-me_Philippe-Coni-620x413.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-8803\" srcset=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200718140031-39f40ee7-me_Philippe-Coni-620x413.jpg 620w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200718140031-39f40ee7-me_Philippe-Coni-768x511.jpg 768w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200718140031-39f40ee7-me_Philippe-Coni.jpg 792w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-8803'>\n\t\t\t\tcr\u00e9dit photo: Philippe Coni\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/jalle-astro.fr\/wp\/la-comete-neowise-a-illumine-le-ciel-de-juillet\/20200711183634-c2f6807e-me_l-desbats\/'><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"164\" src=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183634-c2f6807e-me_L-Desbats-620x407.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-8802\" srcset=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183634-c2f6807e-me_L-Desbats-620x407.jpg 620w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183634-c2f6807e-me_L-Desbats-768x504.jpg 768w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183634-c2f6807e-me_L-Desbats.jpg 792w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-8802'>\n\t\t\t\tcr\u00e9dit photo: Laurent Desbats\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/jalle-astro.fr\/wp\/la-comete-neowise-a-illumine-le-ciel-de-juillet\/20200711183142-46842c13-me_l-desbats_2\/'><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"167\" src=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183142-46842c13-me_L-Desbats_2-620x413.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-8801\" srcset=\"http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183142-46842c13-me_L-Desbats_2-620x413.jpg 620w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183142-46842c13-me_L-Desbats_2-768x512.jpg 768w, http:\/\/jalle-astro.fr\/wp\/wp-content\/uploads\/2020\/08\/20200711183142-46842c13-me_L-Desbats_2.jpg 792w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-8801'>\n\t\t\t\tcr\u00e9dit photo: Laurent Desbats\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\n<p><em>pr\u00e9par\u00e9 et \u00e9dit\u00e9 par Michel Vidal<\/em><\/p>\n<div class=\"fcbkbttn_buttons_block\" id=\"fcbkbttn_left\"><div class=\"fb-share-button  \" data-href=\"http:\/\/jalle-astro.fr\/wp\/la-comete-neowise-a-illumine-le-ciel-de-juillet\/\" data-type=\"button\" data-size=\"small\"><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>La COMETE C\/2020 F3, dite NEOWISE a \u00e9t\u00e9 d\u00e9couverte le 27 mars 2020 par le t\u00e9lescope spatial NEOWISE*. D&rsquo;une magnitude visuelle de 7 \u00e0 la &hellip;<\/p>\n","protected":false},"author":22,"featured_media":8837,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3],"tags":[135],"class_list":["post-8794","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astrophoto","tag-comete"],"_links":{"self":[{"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/posts\/8794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/comments?post=8794"}],"version-history":[{"count":15,"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/posts\/8794\/revisions"}],"predecessor-version":[{"id":429931,"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/posts\/8794\/revisions\/429931"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/media\/8837"}],"wp:attachment":[{"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/media?parent=8794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/categories?post=8794"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/jalle-astro.fr\/wp\/wp-json\/wp\/v2\/tags?post=8794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}