{"id":9360,"date":"2012-08-20T13:10:13","date_gmt":"2012-08-20T13:10:13","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/ngc246\/"},"modified":"2025-06-08T22:47:00","modified_gmt":"2025-06-08T20:47:00","slug":"ngc246","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/ngc246\/","title":{"rendered":"NGC246"},"content":{"rendered":"<p>Bonjour,<br \/>\nsitu\u00e9e dans la Baleine, cette belle n\u00e9buleuse plan\u00e9taire ne monte pas bien haut dans notre ciel belge. Sa culmination est de l&rsquo;ordre de 30\u00b0 lors du passage au m\u00e9ridien; elle ne se d\u00e9gage donc pas vraiment de la pollution lumineuse. Si, comme l&rsquo;a \u00e9crit Andr\u00e9 dans son post sur M27, les conditions \u00e9taient id\u00e9ales pour l&rsquo;astronome, elles l&rsquo;\u00e9taient nettement moins pour l&rsquo;astrophoto avec un APN dont la temp\u00e9rature n&rsquo;est pas r\u00e9gul\u00e9e. Le r\u00e9sultat est un fond de ciel qui pr\u00e9sente une trame r\u00e9siduelle et un traitement \u00ab\u00a0cache mis\u00e8re\u00a0\u00bb. 35 poses de 2 minutes avec le Canon 350D baaderis\u00e9 sur le t\u00e9lescope ASA 12 pouces de Pierre ponsard ont \u00e9t\u00e9 captur\u00e9es ce 18 ao\u00fbt 2012 depuis La Fosse. Elles ont \u00e9t\u00e9 trait\u00e9es sous IRIS et finalis\u00e9es sous Photoshop et Paint Shop Pro pour r\u00e9aliser cette image pr\u00e9sent\u00e9e ici \u00e0 50% de sa taille d&rsquo;acquisition.<br \/>\nJ-L<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/10_20120820-ngc246.jpg\" data-lbwps-width=\"1714\" data-lbwps-height=\"1131\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/10_20120820-ngc246-300x198.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/10_20120820-ngc246-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" \/><\/a><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;9360&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;10&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Veuillez voter&quot;,&quot;legend&quot;:&quot;0\\\/10 - (0 vote)&quot;,&quot;size&quot;:&quot;18&quot;,&quot;title&quot;:&quot;NGC246&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"6\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"7\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"8\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"9\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"10\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 18px; height: 18px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 14.4px;\">\n            <span class=\"kksr-muted\">Veuillez voter<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Bonjour, situ\u00e9e dans la Baleine, cette belle n\u00e9buleuse plan\u00e9taire ne monte pas bien haut dans notre ciel belge. Sa culmination est de l&rsquo;ordre de 30\u00b0 lors du passage au m\u00e9ridien; elle ne se d\u00e9gage donc pas vraiment de la pollution lumineuse. Si, comme l&rsquo;a \u00e9crit Andr\u00e9 dans son post sur M27, les conditions \u00e9taient id\u00e9ales [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-9360","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/comments?post=9360"}],"version-history":[{"count":1,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9360\/revisions"}],"predecessor-version":[{"id":12325,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9360\/revisions\/12325"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=9360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=9360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=9360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}