{"id":116,"date":"2009-08-09T21:58:55","date_gmt":"2009-08-09T19:58:55","guid":{"rendered":"http:\/\/ngc1997.fr\/Astrophotographie\/?page_id=116"},"modified":"2009-08-12T00:09:50","modified_gmt":"2009-08-11T22:09:50","slug":"iris-en-action-2","status":"publish","type":"page","link":"http:\/\/ngc1997.fr\/Astrophotographie\/technique\/traitement-dimages\/iris\/iris-en-action-2","title":{"rendered":"Iris en action&#8230;2"},"content":{"rendered":"<ul>\n<li>C&rsquo;est ensuite au tour des images de \u00ab\u00a0Flat\u00a0\u00bb ou encore \u00ab\u00a0PLU\u00a0\u00bb (Plage de lumi\u00e8re uniforme), images prises en visant un \u00e9cran \u00e9clair\u00e9 uniform\u00e9ment ou bien en visant le ciel \u00e0 l&rsquo;aube ou au cr\u00e9puscule.\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_7.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 7\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_7.jpg?resize=350%2C263\" alt=\"Cliquer sur limage. \" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image. <\/p><\/div><\/li>\n<div style=\"height: 10px; display: block;\"><\/div>\n<li>L\u00e0 aussi faire le flat \u00ab\u00a0MAITRE\u00a0\u00bb \u00e0 l&rsquo;aide du menu \u00ab\u00a0Photo num\u00e9rique\u00a0\u00bb et ne pas oublier de l&rsquo;enregistrer !!<\/li>\n<div style=\"height: 10px; display: block;\"><\/div>\n<div>\n<div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_8.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" \" title=\"Video Iris 8\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_8.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div>\n<div style=\"height: 10px; display: block;\"><\/div>\n<\/div>\n<li>Les fichiers interm\u00e9diaires prenant pas mal de place (12 Mo et ici il s&rsquo;agit \u00ab\u00a0juste\u00a0\u00bb d&rsquo;un 300D) nous pouvons les supprimer et garder seulement les 3 fichiers \u00ab\u00a0MAITRE\u00a0\u00bb servant au pr\u00e9traitement.\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_9.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 9\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_9.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">CLiquer sur l&#39;image<\/p><\/div><\/li>\n<div style=\"height: 10px; display: block;\"><\/div>\n<li>Il est possible d&rsquo;enregistrer les pixels posant probl\u00e8mes pour le DARK :<br \/>\ncommande <code>find_hot [nom du fichier] [valeur]<\/code><br \/>\navec <code>[nom de fichier]<\/code> = cosme (par defaut) et <code>[valeur]<\/code> = n, avec n permettant d&rsquo;avoir entre 200 et 500 points chauds marqu\u00e9s dans la fen\u00eatre \u00ab\u00a0sortie\u00a0\u00bb (voir vid\u00e9o).<\/p>\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_10.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 10\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_10.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div><\/li>\n<div style=\"height: 10px; display: block;\"><\/div>\n<li>Il est temps de passer aux images proprement dites, il s&rsquo;agit ici d&rsquo;images de la galaxie M31, prises avec un objectif sigma 70-300 ( Pour plus de d\u00e9tails voir <a href=\"http:\/\/ngc1997.fr.nf\/galerie\/presentation_image.php?titre=M31_2004_07_24\">ici <\/a> ).\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_11.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 11\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_11.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div><\/li>\n<div style=\"height: 10px; display: block;\"><\/div>\n<li>Nous pouvons alors <em>pr\u00e9traiter<\/em> les images de mani\u00e8re \u00ab\u00a0automatique\u00a0\u00bb gr\u00e2ce \u00e0 la fonction <code>Pr\u00e9traitement<\/code> du menu \u00ab\u00a0Photo num\u00e9rique\u00a0\u00bb.<br \/>\n(Ne pas oublier de s\u00e9lectionner un petit rectangle dans l&rsquo;image ne contenant aucune \u00e9toile si on souhaite utiliser la fonction <code>optimisation<\/code>).<\/p>\n<div style=\"height: 10px; display: block;\"><\/div>\n<div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_12.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 12\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_12.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div>\n<div style=\"height: 10px; display: block;\"><\/div>\n<div>\n<p style=\"text-align: center;\"><a href=\"http:\/\/ngc1997.fr\/Astrophotographie\/technique\/traitement-dimages\/iris\/iris-en-action-3\" target=\"_self\">Suite<\/a><\/p>\n<\/div>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>C&rsquo;est ensuite au tour des images de \u00ab\u00a0Flat\u00a0\u00bb ou encore \u00ab\u00a0PLU\u00a0\u00bb (Plage de lumi\u00e8re uniforme), images prises en visant un \u00e9cran \u00e9clair\u00e9 uniform\u00e9ment ou bien en visant le ciel \u00e0 l&rsquo;aube ou au cr\u00e9puscule. L\u00e0 aussi faire le flat \u00ab\u00a0MAITRE\u00a0\u00bb \u00e0 l&rsquo;aide du menu \u00ab\u00a0Photo num\u00e9rique\u00a0\u00bb et ne pas oublier de l&rsquo;enregistrer !! Les fichiers &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/ngc1997.fr\/Astrophotographie\/technique\/traitement-dimages\/iris\/iris-en-action-2\">Lire la suite<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":228,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"page-without-sidebar.php","meta":{"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-116","page","type-page","status-publish","hentry","nodate","item-wrap"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P9djkl-1S","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages\/116"}],"collection":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/comments?post=116"}],"version-history":[{"count":0,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages\/116\/revisions"}],"up":[{"embeddable":true,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages\/228"}],"wp:attachment":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/media?parent=116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}