{"id":746,"date":"2016-02-25T23:32:23","date_gmt":"2016-02-25T22:32:23","guid":{"rendered":"http:\/\/astroaspach.fr\/astroaspachV2\/?p=746"},"modified":"2016-04-05T10:18:32","modified_gmt":"2016-04-05T09:18:32","slug":"spectrographie-de-differentes-ampoules","status":"publish","type":"post","link":"https:\/\/astroaspach.fr\/astroaspachV2\/2016\/02\/25\/spectrographie-de-differentes-ampoules\/","title":{"rendered":"Spectrographie de diff\u00e9rentes ampoules"},"content":{"rendered":"<p>Pour s&rsquo;essayer \u00e0 la spectrographie, rien ne vaut quelques exp\u00e9riences avec des ampoules de diff\u00e9rents types :<\/p>\n<ul>\n<li>Une ampoule \u00e0 incandescence tout \u00e0 droite. Sur l&rsquo;\u00e9cran de l&rsquo;ordinateur on devine un spectre continu.<\/li>\n<li>Une ampoule \u00e0 gaz (lumi\u00e8re froide)<\/li>\n<li>Une ampoule \u00e0 leds<\/li>\n<li>Une ampoule \u00e0 gaz (lumi\u00e8re chaude)<\/li>\n<\/ul>\n<p>Entre l&rsquo;ordinateur et la s\u00e9rie d&rsquo;ampoule a \u00e9t\u00e9 pos\u00e9 un appareil photo Canon 1000D&#8230; dont on ne voit que la bandouli\u00e8re. Sur l&rsquo;appareil photo, l&rsquo;objectif <span id=\"yui_3_16_0_1_1457264112004_11994\">a \u00e9t\u00e9 remplac\u00e9 par le spectroscope \u00ab\u00a0Alpy\u00a0\u00bb avec la bague idoine.<\/span><\/p>\n<p><a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/Lampes02.jpg\" rel=\"attachment wp-att-752\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-752 size-full\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/Lampes02.jpg\" alt=\"Lampes02\" width=\"784\" height=\"567\" srcset=\"https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/Lampes02.jpg 784w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/Lampes02-300x217.jpg 300w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/Lampes02-768x555.jpg 768w\" sizes=\"auto, (max-width: 784px) 100vw, 784px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u00a0<a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectreContinu.jpg\" rel=\"attachment wp-att-751\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-751 alignleft\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectreContinu-300x200.jpg\" alt=\"LampeSpectreContinu\" width=\"300\" height=\"200\" srcset=\"https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectreContinu-300x200.jpg 300w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectreContinu.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td>\u00a0Spectre d&rsquo;une ampoule \u00e0 incandescence. Ces ampoules donnent un spectre continue.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre04.jpg\" rel=\"attachment wp-att-750\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-750 alignleft\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre04-300x200.jpg\" alt=\"LampeSpectre04\" width=\"300\" height=\"200\" srcset=\"https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre04-300x200.jpg 300w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre04.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td>Spectres d&rsquo;une ampoule \u00e0 leds,\u00a0<span id=\"yui_3_16_0_1_1457264112004_12001\">reconnaissable \u00e0 ses raies en \u00e9mission, impossibles \u00e0 filtrer avec les filtres astro d&rsquo;o\u00f9 la crainte actuelle de voir prolif\u00e9rer ces \u00ab\u00a0monstres\u00a0\u00bb de pollution lumineuse !<\/span><\/p>\n<p>(Pour se prot\u00e9ger des lampes \u00e0 sodium, qui inondent les villes et les villages de leur lumi\u00e8re, il existe des philtres efficaces, qui permettent aux astronomes de prendre des photos du ciel, dans des conditions acceptables, ce qui n&rsquo;est pas le cas pour les lampes \u00e0 leds.)<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre03.jpg\" rel=\"attachment wp-att-749\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-749 alignleft\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre03-300x200.jpg\" alt=\"LampeSpectre03\" width=\"300\" height=\"200\" srcset=\"https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre03-300x200.jpg 300w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre03.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td>\u00a0Spectre d&rsquo;une ampoule \u00ab\u00a0eco\u00a0\u00bb froide.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre02.jpg\" rel=\"attachment wp-att-748\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-748 alignleft\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre02-300x200.jpg\" alt=\"LampeSpectre02\" width=\"300\" height=\"200\" srcset=\"https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre02-300x200.jpg 300w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre02.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td>\u00a0Spectre d&rsquo;une ampoule \u00ab\u00a0eco\u00a0\u00bb chaude, dont <span id=\"yui_3_16_0_1_1457264112004_11996\">le spectre donne un peu plus dans l&rsquo;orang\u00e9<\/span>.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01.jpg\" rel=\"attachment wp-att-747\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-747 alignleft\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01-300x200.jpg\" alt=\"LampeSpectre01\" width=\"300\" height=\"200\" srcset=\"https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01-300x200.jpg 300w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td>\u00a0Spectre d&rsquo;un tube n\u00e9on.<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01.jpg\" rel=\"attachment wp-att-747\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-747\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01-300x200.jpg\" alt=\"LampeSpectre01\" width=\"100\" height=\"67\" srcset=\"https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01-300x200.jpg 300w, https:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2016\/03\/LampeSpectre01.jpg 640w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/a>Pour s&rsquo;essayer \u00e0 la spectrographie, rien ne vaut quelques exp\u00e9riences avec des ampoules de diff\u00e9rents types.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-746","post","type-post","status-publish","format-standard","hentry","category-spectrographie"],"_links":{"self":[{"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts\/746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/comments?post=746"}],"version-history":[{"count":16,"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts\/746\/revisions"}],"predecessor-version":[{"id":770,"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts\/746\/revisions\/770"}],"wp:attachment":[{"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/media?parent=746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/categories?post=746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/tags?post=746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}