{"id":10654,"date":"2024-10-01T12:07:57","date_gmt":"2024-10-01T12:07:57","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/le-calamar\/"},"modified":"2025-06-07T23:01:22","modified_gmt":"2025-06-07T21:01:22","slug":"le-calamar","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/le-calamar\/","title":{"rendered":"le calamar"},"content":{"rendered":"<p>Hello,<\/p>\n<p>gros travail de traitement pour essayer de mieux faire ressortir le calamar.<br \/>\nPas \u00e9vident du tout, c&rsquo;est un objet difficile \u00e0 imager et \u00e0 traiter.<br \/>\nLe mieux serait je pense d&rsquo;utiliser une camera noir et blanc et des filtres Ha,SII, OIII en posant deux ou trois fois plus avec le OIII.<br \/>\nEn couleur sans filtre le Squid n&rsquo;apparait absolument pas. <\/p>\n<p>pour mieux illustrer ceci voici les images avec les filtres HII-OIII et SII-OIII. Ensuite les HII, SII et OIII extraites des ces deux images comme expliqu\u00e9 ci-dessous.<\/p>\n<p>J&rsquo;ai obetenu le HII du filtre HII-OIII en s\u00e9parant les canaux RGB. Le R est conserv\u00e9 comme HII.<br \/>\nIdem pour le SII sauf qu&rsquo;ici le R de l&rsquo;image SII-OIII devient le SII<br \/>\nl&rsquo;image OIII provient de quatre images. les canaux B des deux RGB ainsi qu&rsquo;une combinaison des canaux G et B des deux images RGB<\/p>\n<p>Ouf&#8230;.une belle recette de cuisine.<\/p>\n<p>Donc:<\/p>\n<p>Image sans filtre<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SH_2_129_no_filter.jpg\" data-lbwps-width=\"800\" data-lbwps-height=\"533\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SH_2_129_no_filter-300x200.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SH_2_129_no_filter-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" \/><\/a><\/p>\n<p>la HII-OIII brute sans les \u00e9toiles<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HII_OIII_DBE.jpg\" data-lbwps-width=\"800\" data-lbwps-height=\"528\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HII_OIII_DBE-300x198.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HII_OIII_DBE-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" \/><\/a><\/p>\n<p>La SII-OIII brute sans les \u00e9toiles<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SII_OIII_DBE.jpg\" data-lbwps-width=\"800\" data-lbwps-height=\"528\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SII_OIII_DBE-300x198.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SII_OIII_DBE-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" \/><\/a><\/p>\n<p>la HII<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HII.jpg\" data-lbwps-width=\"800\" data-lbwps-height=\"528\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HII-300x198.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HII-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" \/><\/a><\/p>\n<p>la SII<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SII.jpg\" data-lbwps-width=\"800\" data-lbwps-height=\"528\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SII-300x198.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-SII-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" \/><\/a><\/p>\n<p>La OIII<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-OIII.jpg\" data-lbwps-width=\"800\" data-lbwps-height=\"528\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-OIII-300x198.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-OIII-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" \/><\/a><\/p>\n<p>Le r\u00e9sultat final  combinaison HOO + les \u00e9toiles issues de l&rsquo;image sans filtre comme expliqu\u00e9 dans mon post pr\u00e9c\u00e9dent.<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HOO_FINAL.jpg\" data-lbwps-width=\"2000\" data-lbwps-height=\"1276\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HOO_FINAL-300x191.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/8_20241001-HOO_FINAL-300x191.jpg\" alt=\"\" width=\"300\" height=\"191\" \/><\/a><\/p>\n<p>JM<\/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;10654&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;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;10&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;10\\\/10 - (1 vote)&quot;,&quot;size&quot;:&quot;18&quot;,&quot;title&quot;:&quot;le calamar&quot;,&quot;width&quot;:&quot;227.5&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: 227.5px;\">\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            10\/10 - (1 vote)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Hello, gros travail de traitement pour essayer de mieux faire ressortir le calamar. Pas \u00e9vident du tout, c&rsquo;est un objet difficile \u00e0 imager et \u00e0 traiter. Le mieux serait je pense d&rsquo;utiliser une camera noir et blanc et des filtres Ha,SII, OIII en posant deux ou trois fois plus avec le OIII. En couleur sans [&hellip;]<\/p>\n","protected":false},"author":10,"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-10654","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/10654","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\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/comments?post=10654"}],"version-history":[{"count":1,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/10654\/revisions"}],"predecessor-version":[{"id":10995,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/10654\/revisions\/10995"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=10654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=10654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=10654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}