{"id":9695,"date":"2022-09-19T10:35:03","date_gmt":"2022-09-19T09:35:03","guid":{"rendered":"http:\/\/outters.fr\/?p=9695"},"modified":"2025-07-15T17:04:03","modified_gmt":"2025-07-15T16:04:03","slug":"vdb140-hargb","status":"publish","type":"post","link":"https:\/\/www.outters.fr\/?p=9695","title":{"rendered":"VDB140-Hargb"},"content":{"rendered":"

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VDB140 en Hargb<\/p>\n

\u00a0<\/b><\/span><\/h3><\/h2><\/span>
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Image Hargb<\/h2><\/a><\/div><\/div><\/div>
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Image Ha invers\u00e9e<\/h2><\/a><\/div><\/div><\/div>
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Image rgb<\/h2><\/a><\/div><\/div><\/div>
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Donn\u00e9es techniques de prise de vue<\/h2><\/div>
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Object : vdb140 et LBN 097.99+06.51
\nCommon name :
\nDate : 22 juillet au 19 septembre 2022
\nOptics : Newton OO400 F3,8
\nMount : Paramount ME Num\u00e9ro 1
\nLocation : Orange observatory
\nSeeing FWHM : 1.8 \u00e0 3.7
\nCcd : Moravian G4
\nfilter wheel : Moravian
\nfilters : Astrodon HaRVB
\nFocuser :Atlas
\nGuiding : Atik 314L+
\nTemp. out : T\u00b0 de
\nTemp ccd : -25\u00b0<\/p>\n\n\n\n\n\n\n\n\n\n
Center (RA, Dec):<\/td>\n(319.963, 58.445)<\/td>\n<\/tr>\n
Center (RA, hms):<\/td>\n21h<\/sup>\u00a019m<\/sup>\u00a051.005s<\/sup><\/td>\n<\/tr>\n
Center (Dec, dms):<\/td>\n+58\u00b0\u00a026′\u00a040.843″<\/td>\n<\/tr>\n
Size:<\/td>\n1.39 x 1.39 deg<\/td>\n<\/tr>\n
Radius:<\/td>\n0.982 deg<\/td>\n<\/tr>\n
Pixel scale:<\/td>\n1.22 arcsec\/pixel<\/td>\n<\/tr>\n
Orientation:<\/td>\nUp is 189.7 degrees E of N<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Total exposure 32.75 h
\ntout en binning 1×1
\nHa 129 x 10mn
\n45R 45V 45B x 5mn<\/p>\n<\/div><\/div><\/div>

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Donn\u00e9es techniques
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Commentaires sur l’objet photographi\u00e9<\/span><\/p><\/h1><\/span>

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Source Wikipedia Italie<\/p>\n

vdB<\/a>\u00a0140<\/b>\u00a0est une\u00a0faible n\u00e9buleuse diffuse<\/a>\u00a0situ\u00e9e dans la\u00a0constellation de C\u00e9ph\u00e9e<\/a>.<\/p>\n

Elle est observ\u00e9e \u00e0 environ 4\u00b0 \u00e0 l\u2019ouest de\u00a0l\u2019\u00e9toile \u03bc Cephei<\/a>, la c\u00e9l\u00e8bre\u00a0\u00e9toile grenat<\/i>\u00a0de Herschel; C\u2019est une\u00a0n\u00e9buleuse \u00e0 faible r\u00e9flexion<\/a>\u00a0tr\u00e8s rar\u00e9fi\u00e9e, illumin\u00e9e par l\u2019\u00e9toile voisine V421 Cep, une\u00a0g\u00e9ante bleue<\/a>\u00a0de sixi\u00e8me\u00a0magnitude<\/a>\u00a0distante d\u2019environ 2500\u00a0ann\u00e9es-lumi\u00e8re<\/a>.\u00a0[1]<\/a><\/sup>\u00a0On peut le voir presque exclusivement \u00e0 travers des photos\u00a0infrarouges<\/a>, alors que l\u2019observation directe est plut\u00f4t difficile. Le nuage appara\u00eet travers\u00e9 par une bande sombre ou non \u00e9clair\u00e9e, qui le divise en deux sections in\u00e9gales : la plus grande chevauche presque l\u2019\u00e9toile, tandis que la seconde partie, vers l\u2019est, est beaucoup plus mince.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":9691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[152,504,541,97,102,110,121,126],"tags":[562],"class_list":["post-9695","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-toutes-categories","category-favorites","category-saison-2022","category-ag400","category-nebuleuse","category-catalogues","category-harvb","category-observatoire-dorange","tag-vdb140","post_format-post-format-image"],"_links":{"self":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/9695","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=9695"}],"version-history":[{"count":4,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/9695\/revisions"}],"predecessor-version":[{"id":9702,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/9695\/revisions\/9702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/media\/9691"}],"wp:attachment":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}