{"id":9827,"date":"2016-07-09T21:08:35","date_gmt":"2016-07-09T21:08:35","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/ngc-6888-et-alentours-2-3-en-couleur-hoo\/"},"modified":"2025-06-23T16:03:17","modified_gmt":"2025-06-23T14:03:17","slug":"ngc-6888-et-alentours-2-3-en-couleur-hoo","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/ngc-6888-et-alentours-2-3-en-couleur-hoo\/","title":{"rendered":"NGC 6888 et alentours (2\/3) – En couleur (HOO)"},"content":{"rendered":"

Toujours le grand champ autour de NGC6888, la N\u00e9buleuse du Croissant, mais cette fois en un champ unique.<\/p>\n

Les captures sont r\u00e9alis\u00e9es avec un objectif photo de 150mm de focale, ouvert pleinement \u00e0 2.8<\/p>\n

L’image est combin\u00e9e \u00e0 partir de captures faites lors de plusieurs s\u00e9ances:
\n – Une Ha, prise dans le sud de la France
\n – Une Oiii, prise ~6 semaines plus tard <\/p>\n

L’image finale est une combinaison L (avec la couche Ha) et HOO.
\nIl y a tr\u00e8s peu de captures primaires en Oiii<\/p>\n

Image r\u00e9duite \u00e0 ~25%
\n\"\"<\/a><\/p>\n

L’image r\u00e9duite \u00e0 ~50% :
\n\"\"<\/a><\/p>\n

Alexandre
\n2014-Jul-30
\nHasselblad\/Sonnar T* F150mm f2.8
\nQSI\/583WSG
\nHa 67x300s
\nOiii 12x300s<\/p>\n\n\n

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

Toujours le grand champ autour de NGC6888, la N\u00e9buleuse du Croissant, mais cette fois en un champ unique. Les captures sont r\u00e9alis\u00e9es avec un objectif photo de 150mm de focale, ouvert pleinement \u00e0 2.8 L’image est combin\u00e9e \u00e0 partir de captures faites lors de plusieurs s\u00e9ances: – Une Ha, prise dans le sud de la […]<\/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-9827","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9827","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=9827"}],"version-history":[{"count":2,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9827\/revisions"}],"predecessor-version":[{"id":15529,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9827\/revisions\/15529"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=9827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=9827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=9827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}