{"id":8126,"date":"2006-02-05T20:29:49","date_gmt":"2006-02-05T20:29:49","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/encore-la-nebuleuse-du-crabe-m1\/"},"modified":"2025-06-10T13:14:19","modified_gmt":"2025-06-10T11:14:19","slug":"encore-la-nebuleuse-du-crabe-m1","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/encore-la-nebuleuse-du-crabe-m1\/","title":{"rendered":"Encore la n\u00e9buleuse du Crabe (M1)"},"content":{"rendered":"<p>Auteur: Vincent Van Campenhout (vincent.van@skynet.be)<\/p>\n<p>Salut \u00e0 tous,<\/p>\n<p>Vu le temps superbe de la semaine pass\u00e9e, je me suis remis tout doucement \u00e0 la CCD avec tant bien que mal de difficult\u00e9s : la raison, le manque de pratique&#8230;<\/p>\n<p>Je vous pr\u00e9sente ici une image de M1 prise le 2 f\u00e9vrier vers 00h05, avec ma cam\u00e9ra Audine + filtre Halpha et le TN200mm (f:800mm) sur la monture M100B, le tout sous mon abris \u00e0 Desni\u00e9.<\/p>\n<p><a href=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/12_20060205-m1final2.jpg\" data-lbwps-width=\"757\" data-lbwps-height=\"505\" data-lbwps-srcsmall=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/12_20060205-m1final2-300x200.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/groupeastronomiespa.be\/astrogas\/wp-content\/uploads\/2025\/06\/12_20060205-m1final2-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" \/><\/a><\/p>\n<p>Le ciel \u00e9tait bien noir mais la turbulence \u00e9tait assez g\u00eanante car difficult\u00e9 pour faire la mise au point avec le Newton ouvert court. Temp\u00e9rature ext. -4\u00b0 et sous abris + 3\u00b0. Vent nul.<\/p>\n<p>Temps Pose : 3 X 2 min avec filtre Halpha.<\/p>\n<p>Temp\u00e9rature au niveau du CCD : &#8211; 19\u00b0 approximativement.<\/p>\n<p>La FWHM prise sur une \u00e9toile d&rsquo;une image brute de M1 : 2,7.<\/p>\n<p>Autoguidage manuel avec oculaire r\u00e9ticul\u00e9 \u00e9clair\u00e9 (comme \u00e0 l&rsquo;ancienne) derri\u00e8re la lunette ED80mm mise en \/\/ sur la monture (lunette mise sur l&rsquo;axe contre-poids).<\/p>\n<p>TRT image : compositage m\u00e9dian de 3 images (il y a assez bien de bruit dans l&rsquo;image) + r\u00e9glage des seuils de luminosit\u00e9 et de contraste + l\u00e9ger filtre adaptatif passe bas avec Prism V6.<\/p>\n<p>Ce soir-l\u00e0, Olivier Schreurs \u00e9tait venu observer chez moi et s&rsquo;est occup\u00e9 avec soin du guidage pendant que je faisais les acquisitions avec l&rsquo;Audine. Nous avons pass\u00e9 une superbe soir\u00e9e, \u00e0 refaire d\u00e9s que le temps se remet&#8230;<\/p>\n<p>Bon dimanche,<\/p>\n<p>Vincent Van&#8230;<\/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;8126&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;Encore la n\u00e9buleuse du Crabe (M1)&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>Auteur: Vincent Van Campenhout (vincent.van@skynet.be) Salut \u00e0 tous, Vu le temps superbe de la semaine pass\u00e9e, je me suis remis tout doucement \u00e0 la CCD avec tant bien que mal de difficult\u00e9s : la raison, le manque de pratique&#8230; Je vous pr\u00e9sente ici une image de M1 prise le 2 f\u00e9vrier vers 00h05, avec ma [&hellip;]<\/p>\n","protected":false},"author":7,"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-8126","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/8126","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/comments?post=8126"}],"version-history":[{"count":3,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/8126\/revisions"}],"predecessor-version":[{"id":14389,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/8126\/revisions\/14389"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=8126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=8126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=8126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}