{"id":16672,"date":"2025-12-30T12:40:13","date_gmt":"2025-12-30T11:40:13","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/?p=16672"},"modified":"2025-12-30T12:40:13","modified_gmt":"2025-12-30T11:40:13","slug":"ngc-1491-nebuleuse-de-lempreinte-fossile","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/ngc-1491-nebuleuse-de-lempreinte-fossile\/","title":{"rendered":"NGC 1491 N\u00e9buleuse de l’empreinte fossile"},"content":{"rendered":"

Une petite plong\u00e9e dans NGC 1491 avec ma version en SHO de cette n\u00e9buleuse en \u00e9mission situ\u00e9e dans la constellation de Pers\u00e9e, situ\u00e9e \u00e0 environ 10 \u00e0 11.000 ann\u00e9es-lumi\u00e8re de la terre.
\nLe rayonnement ultraviolet des \u00e9toiles nouvellement form\u00e9es fait briller les \u00e9l\u00e9ments qui la composent.
\nPrincipalement de l’Hydrog\u00e8ne alpha. N\u00e9anmoins sont centre est \u00e9galement constitu\u00e9 d’Oxyg\u00e8ne et de Souffre.
\nSon centre abrite une \u00e9toile de magnitude 11, et le vent solaire exerc\u00e9e par cette \u00e9toile, cr\u00e9e une bulle dans le gaz environnant.<\/p>\n

Prises de vues r\u00e9alis\u00e9es en novembre et d\u00e9cembre 2025, pour un total de 14.42 H.
\nDont 1.5 H en RGB pour les \u00e9toiles. En SHO, des poses de 300 et 360 sec.<\/p>\n

T\u00e9lescope Skywatcher 250\/1200 – Monture AZEQ6 – Cam\u00e9ra: ZWO 1600MM Pro – Guidage: Cam\u00e9ra ZWO 120 MM Mini + Lunette Artesky 70\/ 400 –
\nNINA – PHD2 – GSS – SharpCap pour Polar align. – Stellarium –
\nProcess: Pixinsight<\/p>\n

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

Hendrick Richard<\/p>\n\n\n

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\n 10\/10 - (11 votes) <\/div>\n <\/div>\n","protected":false},"excerpt":{"rendered":"

Une petite plong\u00e9e dans NGC 1491 avec ma version en SHO de cette n\u00e9buleuse en \u00e9mission situ\u00e9e dans la constellation de Pers\u00e9e, situ\u00e9e \u00e0 environ 10 \u00e0 11.000 ann\u00e9es-lumi\u00e8re de la terre. Le rayonnement ultraviolet des \u00e9toiles nouvellement form\u00e9es fait briller les \u00e9l\u00e9ments qui la composent. Principalement de l’Hydrog\u00e8ne alpha. N\u00e9anmoins sont centre est \u00e9galement […]<\/p>\n","protected":false},"author":11,"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-16672","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/16672","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\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/comments?post=16672"}],"version-history":[{"count":1,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/16672\/revisions"}],"predecessor-version":[{"id":16674,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/16672\/revisions\/16674"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=16672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=16672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=16672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}