{"id":6196,"date":"2016-08-22T12:21:59","date_gmt":"2016-08-22T12:21:59","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=6196"},"modified":"2016-08-30T06:07:47","modified_gmt":"2016-08-30T06:07:47","slug":"perseides-2016-grand-spectacle-lile-de-palma","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/08\/22\/perseides-2016-grand-spectacle-lile-de-palma\/","title":{"rendered":"Pers\u00e9ides 2016 : grand spectacle sur l’\u00eele de La Palma"},"content":{"rendered":"

Le photographe Daniel Lopez a rassembl\u00e9 sur une seule image la trace de nombreuses Pers\u00e9ides dans le ciel de l’\u00eele de La Palma aux Canaries.\u00a0<\/strong><\/p>\n

Si ao\u00fbt est le mois id\u00e9al pour observer les \u00e9toiles filantes<\/a>, c’est surtout parce que l’essaim des Pers\u00e9ides est particuli\u00e8rement actif avec un maximum aux alentours du 12 ao\u00fbt. Ajoutez \u00e0 cela une m\u00e9t\u00e9o en g\u00e9n\u00e9rale assez cl\u00e9mente \u00e0 une p\u00e9riode de l’ann\u00e9e o\u00f9 nombreux sont ceux qui prennent des vacances et vous avez tous les ingr\u00e9dients pour en faire un spectacle c\u00e9leste renomm\u00e9.<\/p>\n

\"perseide1\"<\/a><\/p>\n

C’est l’astrophotographe Daniel Lopez<\/a>\u00a0(auteur d’une superbe Pleine Lune derri\u00e8re le pic du Teide<\/a>) qui a r\u00e9alis\u00e9 cet \u00e9tonnant clich\u00e9 qui rappelle la pluie de G\u00e9minides dans le ciel du d\u00e9sert d’Atacama<\/a> immortalis\u00e9e par Yuri Beletsky dans la nuit du 13 au 14 d\u00e9cembre 2015.<\/p>\n

En photographiant le ciel pendant environ 5 heures, ce sont pr\u00e8s de 80 \u00e9toiles filantes qui ont \u00e9t\u00e9 enregistr\u00e9es dans la nuit du 11 au 12 ao\u00fbt, assez brillantes pour laisser la trace de leur passage sur le capteur de l’appareil. Cela signifie qu’\u00e0 l’\u0153il nu on en voyait beaucoup plus, les plus faibles n’apparaissant pas sur les images (les capteurs des bo\u00eetiers photographiques sont de plus en plus sensibles et enregistrent plus d’\u00e9toiles qu’un observateur visuel, mais les \u00e9toiles ne bougent pas pendant les poses de quelques secondes, \u00e0 la diff\u00e9rence des m\u00e9t\u00e9ores dont le passage est tr\u00e8s rapide et le temps de visibilit\u00e9 g\u00e9n\u00e9ralement inf\u00e9rieur \u00e0 la seconde).<\/p>\n

Daniel Lopez s’\u00e9tait install\u00e9 au pied du MAGIC T\u00e9lescope<\/a>, un ensemble de deux antennes qui traquent les sursauts gamma depuis l’Observatoire du Roque de Los Muchachos<\/a>, un site d’une exceptionnelle qualit\u00e9, sans doute l’un des ciels les plus noirs de l’h\u00e9misph\u00e8re nord.<\/p>\n","protected":false},"excerpt":{"rendered":"

Le photographe Daniel Lopez a rassembl\u00e9 sur une seule image la trace de nombreuses Pers\u00e9ides dans le ciel de l’\u00eele de La Palma aux Canaries.\u00a0 Si ao\u00fbt est le mois id\u00e9al pour observer les \u00e9toiles filantes, c’est surtout parce que l’essaim des Pers\u00e9ides est particuli\u00e8rement actif avec un maximum aux alentours du 12 ao\u00fbt. Ajoutez … Continuer la lecture de Pers\u00e9ides 2016 : grand spectacle sur l’\u00eele de La Palma<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":6197,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[85],"tags":[1062,1065,1061,396,1064,172],"class_list":["post-6196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-meteores","tag-archipel-des-canaries","tag-daniel-lopez","tag-ile-de-la-palma","tag-magic-telescope","tag-observatoire-du-roque-de-los-muchachos","tag-perseides"],"yoast_head":"\nPers\u00e9ides 2016 : grand spectacle sur l'\u00eele de La Palma<\/title>\n<meta name=\"description\" content=\"Le photographe Daniel Lopez a rassembl\u00e9 sur une seule image la trace de nombreuses Pers\u00e9ides dans le ciel de l'\u00eele de La Palma aux Canaries.\" \/>\n<meta name=\"robots\" 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