{"id":6693,"date":"2017-11-05T16:43:42","date_gmt":"2017-11-05T15:43:42","guid":{"rendered":"http:\/\/outters.fr\/?p=6693"},"modified":"2025-07-15T17:04:09","modified_gmt":"2025-07-15T16:04:09","slug":"arp-331","status":"publish","type":"post","link":"https:\/\/www.outters.fr\/?p=6693","title":{"rendered":"Arp 331"},"content":{"rendered":"

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Arp 331<\/strong>
\n<\/span><\/p><\/h2><\/span>

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\"Arp<\/a><\/span><\/div><\/div><\/div>
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Image LRGB<\/h2><\/a><\/div><\/div><\/div>
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Image en luminance<\/h2><\/a><\/div><\/div><\/div>
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Commentaires sur l’objet photographi\u00e9<\/span><\/p><\/h1><\/span>

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\"outters-nicolas\"<\/p>\n

Selon Halton Arp<\/a> est un ensemble de galaxies qui forment une chaine sur la sph\u00e8re c\u00e9leste et qui de ce fait a \u00e9t\u00e9 inscrit \u00e0 son atlas<\/a> sous la cote Arp 331. Ces galaxies sont NGC 375<\/a>, NGC 379<\/a>, NGC 380<\/a>, NGC 382<\/a>, NGC 383<\/a>, NGC 384<\/a>, NGC 385<\/a>, NGC 386<\/a>, NGC 387<\/a> et NGC 388<\/a> 1<\/a><\/sup> .<\/p>\n

Comme le montre le tableau ci-dessous, les galaxies d’Arp 331 sont \u00e0 des distances tr\u00e8s diff\u00e9rentes de nous et elles ne constituent donc pas un groupe de galaxies<\/a>.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Galaxie<\/th>\nDistance (Mal)<\/th>\n<\/tr>\n
NGC 375<\/a><\/td>\n262<\/td>\n<\/tr>\n
NGC 379<\/a><\/td>\n249<\/td>\n<\/tr>\n
NGC 380<\/a><\/td>\n198<\/td>\n<\/tr>\n
NGC 382<\/a><\/td>\n234<\/td>\n<\/tr>\n
NGC 383<\/a><\/td>\n228<\/td>\n<\/tr>\n
NGC 384<\/a><\/td>\n189<\/td>\n<\/tr>\n
NGC 385<\/a><\/td>\n222<\/td>\n<\/tr>\n
NGC 386<\/a><\/td>\n248<\/td>\n<\/tr>\n
NGC 387<\/a><\/td>\n210<\/td>\n<\/tr>\n
NGC 388<\/a><\/td>\n243<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>
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Donn\u00e9es techniques
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Donn\u00e9es techniques de prise de vue<\/h2><\/div>
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Object : Arp 331
\nCommon name :
\nDate : du 14 au 20 octobre 2017
\nOptics : Newton SV400 F3,8
\nMount : Paramount ME Num\u00e9ro 1
\nLocation : Orange observatory
\nSeeing FWHM :2.31 \u00e0 3.9<\/p>\n

Ccd : Moravian G4
\nfilter wheel : Moravian
\nfilters : Astrodon
\nLRVB
\nFocuser :Atlas
\nGuiding : Atik 314L+
\nTemp. out : T\u00b0 de 11 \u00e0 +17\u00b0
\nTemp ccd : -25\u00b0
\nTotal exposure 8.33 h
\ntout en binning 1×1
\nLuminance 26 x 10 mn
\n8R 8V 8B x10mn<\/div><\/div><\/div>

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Donn\u00e9es scientifiques<\/h2><\/div><\/div><\/div>
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<\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":6691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[112,120,126,152,248,96,97,109],"tags":[311,312,313,314,315,316,308,309,310],"class_list":["post-6693","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-ngc","category-lrgb","category-observatoire-dorange","category-toutes-categories","category-saison-2017","category-galaxie","category-ag400","category-amas-de-galaxies","tag-ngc-382","tag-ngc-383","tag-ngc-384","tag-ngc-385","tag-ngc-386","tag-ngc-387-et-ngc-388","tag-ngc-375","tag-ngc-379","tag-ngc-380","post_format-post-format-image"],"_links":{"self":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/6693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6693"}],"version-history":[{"count":3,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/6693\/revisions"}],"predecessor-version":[{"id":6826,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/6693\/revisions\/6826"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/media\/6691"}],"wp:attachment":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}