{"id":10071,"date":"2019-08-19T21:53:15","date_gmt":"2019-08-19T21:53:15","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/le-c8-en-halpha\/"},"modified":"2025-06-08T22:45:00","modified_gmt":"2025-06-08T20:45:00","slug":"le-c8-en-halpha","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/le-c8-en-halpha\/","title":{"rendered":"Le C8 en Halpha"},"content":{"rendered":"

Des schmidt-cassegrains ont \u00e9t\u00e9s transform\u00e9s en version solaire, la technique consistant \u00e0 faire un d\u00e9p\u00f4t ERF (Energy Rejection Filter) sur la lame de schmidt.
\nL’inconv\u00e9nient est que l’instrument en devient cibl\u00e9, presque limit\u00e9 pour le solaire.<\/p>\n

Une alternative consiste \u00e0 mettre un ERF ind\u00e9pendant devant l’instrument.<\/p>\n

Voici quelques images faites avec un C8 + un ERF, tous deux mis \u00e0 disposition.
\nSous un ciel stable, l’ouverture de l’instrument se laisse exploiter.<\/p>\n

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Alexandre
\n2019-08-18
\nCelestron C8
\nFront ERF
\nTelecentric x2.7
\nSolar Spectrum 0.3A
\nASI174
\nPhotoshop…<\/p>\n\n\n

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\n 10\/10 - (1 vote) <\/div>\n <\/div>\n","protected":false},"excerpt":{"rendered":"

Des schmidt-cassegrains ont \u00e9t\u00e9s transform\u00e9s en version solaire, la technique consistant \u00e0 faire un d\u00e9p\u00f4t ERF (Energy Rejection Filter) sur la lame de schmidt. L’inconv\u00e9nient est que l’instrument en devient cibl\u00e9, presque limit\u00e9 pour le solaire. Une alternative consiste \u00e0 mettre un ERF ind\u00e9pendant devant l’instrument. Voici quelques images faites avec un C8 + un […]<\/p>\n","protected":false},"author":16,"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-10071","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/10071","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\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/comments?post=10071"}],"version-history":[{"count":1,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/10071\/revisions"}],"predecessor-version":[{"id":11611,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/10071\/revisions\/11611"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=10071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=10071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=10071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}