{"id":4657,"date":"2017-12-03T13:39:48","date_gmt":"2017-12-03T12:39:48","guid":{"rendered":"http:\/\/www.astroantony.com\/blog\/?p=4657"},"modified":"2017-12-03T13:39:48","modified_gmt":"2017-12-03T12:39:48","slug":"vendredi-01-decembre-une-soiree-dediee-aux-filtres-optiques-en-astronomie","status":"publish","type":"post","link":"https:\/\/www.astroantony.com\/blog\/?p=4657","title":{"rendered":"Vendredi 01 D\u00e9cembre : Une soir\u00e9e d\u00e9di\u00e9e aux filtres optiques en astronomie."},"content":{"rendered":"<p style=\"text-align: left\">Une soir\u00e9e tr\u00e8s attendue pour r\u00e9pondre \u00e0 de nombreuses questions sur un sujet plut\u00f4t pointu\u2026<\/p>\n<p style=\"text-align: center\">Les premiers arriv\u00e9s installent la salle et les moyens multim\u00e9dias.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4661\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-01.jpg\" alt=\"\" width=\"5000\" height=\"3333\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-01.jpg 5000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-01-300x200.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-01-768x512.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-01-1024x683.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-01-624x416.jpg 624w\" sizes=\"(max-width: 5000px) 100vw, 5000px\" \/><\/p>\n<p style=\"text-align: center\">Avec un vid\u00e9o projecteur qui demande toujours des ajustements.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4662\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-02.jpg\" alt=\"\" width=\"5000\" height=\"3333\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-02.jpg 5000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-02-300x200.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-02-768x512.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-02-1024x683.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-02-624x416.jpg 624w\" sizes=\"(max-width: 5000px) 100vw, 5000px\" \/><\/p>\n<p style=\"text-align: center\">Mais tout sera en place avant l\u2019arriv\u00e9e des membres du club.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4663\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-03.jpg\" alt=\"\" width=\"5000\" height=\"3333\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-03.jpg 5000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-03-300x200.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-03-768x512.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-03-1024x683.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-03-624x416.jpg 624w\" sizes=\"(max-width: 5000px) 100vw, 5000px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center\">Le show peut commencer\u2026.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4664\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-04.jpg\" alt=\"\" width=\"5000\" height=\"3333\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-04.jpg 5000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-04-300x200.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-04-768x512.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-04-1024x683.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-04-624x416.jpg 624w\" sizes=\"(max-width: 5000px) 100vw, 5000px\" \/><\/p>\n<p style=\"text-align: left\">En pr\u00e9face Fr\u00e9d\u00e9ric nous donne des informations g\u00e9n\u00e9rales sur les ondes \u00e9lectro-magn\u00e9tiques, leur propagation, les plages int\u00e9ressantes du spectre pour l\u2019astronomie, dans le visible et l\u2019invisible. Suit une pr\u00e9sentation des types de filtres, la terminologie les caract\u00e9ristiques et leurs champs d\u2019application : \u00ab Passe Haut, bas, bande \u00bb, \u00ab Coupe bande \u00bb, \u00ab interf\u00e9rentiel \u00bb et les filtres sp\u00e9ciaux\u2026<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4665\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-05.jpg\" alt=\"\" width=\"5000\" height=\"3333\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-05.jpg 5000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-05-300x200.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-05-768x512.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-05-1024x683.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-05-624x416.jpg 624w\" sizes=\"(max-width: 5000px) 100vw, 5000px\" \/><\/p>\n<p>Puis des informations plus techniques sur la construction des filtres, et les modes de fonctionnement\u2026<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4666\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-06.jpg\" alt=\"\" width=\"3000\" height=\"1691\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-06.jpg 3000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-06-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-06-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-06-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-06-624x352.jpg 624w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><\/p>\n<p style=\"text-align: center\">De plus en plus techniques, on aborde l\u2019aspect spectrom\u00e9trie et les raies d\u2019\u00e9mission\u2026<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4667\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-07.jpg\" alt=\"\" width=\"3000\" height=\"1691\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-07.jpg 3000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-07-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-07-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-07-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-07-624x352.jpg 624w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><\/p>\n<p style=\"text-align: center\">Et naturellement les filtres tr\u00e8s sp\u00e9cialis\u00e9s LRBV, SHO\u2026.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4668\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-08.jpg\" alt=\"\" width=\"3000\" height=\"1691\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-08.jpg 3000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-08-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-08-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-08-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-08-624x352.jpg 624w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><\/p>\n<p style=\"text-align: center\">L\u2019assembl\u00e9e est tr\u00e8s attentive\u2026<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4669\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-09.jpg\" alt=\"\" width=\"3000\" height=\"1691\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-09.jpg 3000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-09-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-09-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-09-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-09-624x352.jpg 624w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><\/p>\n<p style=\"text-align: center\">Quelques liens web sont donn\u00e9es pour se perfectionner.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4670\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-10.jpg\" alt=\"\" width=\"3000\" height=\"1691\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-10.jpg 3000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-10-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-10-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-10-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-10-624x352.jpg 624w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><\/p>\n<p style=\"text-align: center\">La pr\u00e9sentation se termine et laisse place aux questions-r\u00e9ponses..<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4671\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-11.jpg\" alt=\"\" width=\"3000\" height=\"1687\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-11.jpg 3000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-11-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-11-768x432.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-11-1024x576.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-11-624x351.jpg 624w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><\/p>\n<p style=\"text-align: center\">C\u2019est termin\u00e9 pour ce soir, place aux E-mails pour les futures questions \u00e0 venir.\u2026.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-4672\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-12.jpg\" alt=\"\" width=\"3000\" height=\"1687\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-12.jpg 3000w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-12-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-12-768x432.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-12-1024x576.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2017\/12\/CR_Filtres-12-624x351.jpg 624w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><\/p>\n<p>Un grand MERCI \u00e0 Fr\u00e9d\u00e9ric pour cette soir\u00e9e tr\u00e8s utile pour nombre d\u2019entre nous.<br \/>\n@Patrick<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une soir\u00e9e tr\u00e8s attendue pour r\u00e9pondre \u00e0 de nombreuses questions sur un sujet plut\u00f4t pointu\u2026 Les premiers arriv\u00e9s installent la salle et les moyens multim\u00e9dias. Avec un vid\u00e9o projecteur qui demande toujours des ajustements. Mais tout sera en place avant l\u2019arriv\u00e9e des membres du club. &nbsp; Le show peut commencer\u2026. En pr\u00e9face Fr\u00e9d\u00e9ric nous donne [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":[],"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.astroantony.com\/blog\/?p=4657\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vendredi 01 D\u00e9cembre : Une soir\u00e9e d\u00e9di\u00e9e aux filtres optiques en astronomie. - Blog: La vie du club d&#039;astronomie d&#039;Antony\" \/>\n<meta property=\"og:description\" content=\"Une soir\u00e9e tr\u00e8s attendue pour r\u00e9pondre \u00e0 de nombreuses questions sur un sujet plut\u00f4t pointu\u2026 Les premiers arriv\u00e9s installent la salle et les moyens multim\u00e9dias. Avec un vid\u00e9o projecteur qui demande toujours des ajustements. Mais tout sera en place avant l\u2019arriv\u00e9e des membres du club. &nbsp; Le show peut commencer\u2026. 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