{"id":7746,"date":"2004-05-30T18:33:17","date_gmt":"2004-05-30T18:33:17","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/la-nebuleuse-planetaire-dumbell-m27\/"},"modified":"2025-06-21T12:08:53","modified_gmt":"2025-06-21T10:08:53","slug":"la-nebuleuse-planetaire-dumbbell-m27","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/la-nebuleuse-planetaire-dumbbell-m27\/","title":{"rendered":"La n\u00e9buleuse plan\u00e9taire Dumbbell (M27)"},"content":{"rendered":"

M27 captur\u00e9e le samedi 29 mai 2004 vers 01h30 UT \u00e0 la G\u00e9ronst\u00e8re (Spa) avec le CG11 \u00e0 F\/D 6,3. Cam\u00e9ra ST10 XME en binning 2×2.
\nSoustraction du dark et du bias, pas de flat field. Ensuite,\u00a0pour chaque couleur,\u00a0un simple compositage m\u00e9dian de 14 images rouges, 14 vertes, 19 bleues et enfin\u00a018 images H alpha pour la luminance, toutes pos\u00e9es 30 secondes.
\nLes r\u00e9sultats\u00a0ont ensuite \u00e9t\u00e9 simplement\u00a0additionn\u00e9s selon la proportion R = 1 ; G = 1 ; B = 1,5 et Ha = 1. Le logiciel utilis\u00e9 est CCDSoft.
\nFinalement, application du filtre \u00ab\u00a0accentuer davantage\u00a0\u00bb puis \u00ab\u00a0adoucissement pr\u00e9servant les contours\u00a0\u00bb dans PSP. <\/p>\n

\"\"<\/a><\/p>\n\n\n

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\n Veuillez voter<\/span>\n <\/div>\n <\/div>\n","protected":false},"excerpt":{"rendered":"

M27 captur\u00e9e le samedi 29 mai 2004 vers 01h30 UT \u00e0 la G\u00e9ronst\u00e8re (Spa) avec le CG11 \u00e0 F\/D 6,3. Cam\u00e9ra ST10 XME en binning 2×2. Soustraction du dark et du bias, pas de flat field. Ensuite,\u00a0pour chaque couleur,\u00a0un simple compositage m\u00e9dian de 14 images rouges, 14 vertes, 19 bleues et enfin\u00a018 images H alpha […]<\/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-7746","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/7746","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=7746"}],"version-history":[{"count":2,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/7746\/revisions"}],"predecessor-version":[{"id":15298,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/7746\/revisions\/15298"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=7746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=7746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=7746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}