{"id":8589,"date":"2019-12-31T02:00:54","date_gmt":"2019-12-31T01:00:54","guid":{"rendered":"http:\/\/outters.fr\/?p=8589"},"modified":"2025-07-15T17:04:06","modified_gmt":"2025-07-15T16:04:06","slug":"ngc2340-and-ic-co-en-lrgb","status":"publish","type":"post","link":"https:\/\/www.outters.fr\/?p=8589","title":{"rendered":"NGC2340 and IC co en Lrgb"},"content":{"rendered":"

<\/div><\/div><\/span>

NGC2340 and IC co en Lrgb<\/span> <\/b><\/p>\n

\u00a0<\/b><\/span><\/h3><\/h2><\/span>
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Donn\u00e9es techniques de prise de vue<\/h2><\/div>
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Object : NGC2340 and IC co, IC464, Ic465, IC459, Ic460, Ic462, Ic458
\nCommon name :
\nDate : 6 au 31 d\u00e9cembre 2019
\nOptics : Newton OO400 F3,8
\nMount : Paramount ME Num\u00e9ro 1
\nLocation : Orange observatory
\nSeeing FWHM :2,13 \u00e0 4.9
\nCcd : Moravian G4
\nfilter wheel : Moravian
\nfilters : Astrodon LRVB
\nFocuser :Atlas
\nGuiding : Atik 314L
\nTemp. out : T\u00b0 de 1.9 \u00e0 8\u00b0
\nTemp ccd : -25\u00b0
\nResolution …………… 1.223 arcsec\/px
\nRotation …………….. 171.252 deg
\nObservation start time … 2019-12-25 22:24:36 UTC
\nObservation end time ….. 2019-12-31 05:51:05 UTC
\nGeodetic coordinates ….. 6 19 04 W 46 01 49 N
\nFocal distance ……….. 1518.19 mm
\nPixel size …………… 9.00 um
\nField of view ………… 1d 23′ 28.4″ x 1d 23′ 28.4″
\nImage center …………. RA: 7 09 33.205 Dec: +50 10 52.61
\nTotal exposure 13.33 h
\ntout en binning 1×1
\nL 44 x 10mn
\n24R 24V 24B x 5mn<\/div><\/div><\/div>

Donn\u00e9es scientifiques (source Wikipedia)<\/h2><\/div>
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\n

Source Wikipedia<\/p>\n

NGC 2340<\/b> est une galaxie elliptique<\/a> situ\u00e9e dans la constellation du Lynx<\/a> \u00e0 environ 270 millions d’ann\u00e9es-lumi\u00e8re<\/a> de la Voie lact\u00e9e<\/a>. Elle a \u00e9t\u00e9 d\u00e9couverte par l’astronome germano<\/a>–britannique<\/a> William Herschel<\/a> en 1788<\/a>5<\/a><\/sup>.<\/p>\n

Des mesures non bas\u00e9es sur le d\u00e9calage vers le rouge<\/a> (redshift<\/i>) donnent une distance de 95,071\u00a0\u00b1\u00a030,749\u00a0Mpc<\/a><\/abbr> (\u223c310\u00a0millions d’a.l.<\/a><\/abbr>) 7<\/a><\/sup>, ce qui est \u00e0 l’int\u00e9rieur des distances calcul\u00e9es en employant la valeur du d\u00e9calage 4<\/a><\/sup>.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
NGC 2340<\/td>\n<\/tr>\n
\"Image<\/a>
\nLa galaxie elliptique NGC 2340.<\/td>\n<\/tr>\n
Donn\u00e9es d\u2019observation
\n(\u00c9poque<\/a> J2000.0<\/a>)<\/small><\/th>\n<\/tr>\n
Constellation<\/a><\/th>\nLynx<\/a><\/td>\n<\/tr>\n
Ascension droite<\/a> (\u03b1)<\/th>\n07h<\/sup>\u00a011m<\/sup>\u00a010,8s<\/sup>1<\/a><\/sup><\/td>\n<\/tr>\n
D\u00e9clinaison<\/a> (\u03b4)<\/th>\n50\u00b0\u00a010\u2032\u00a029\u2033<\/td>\n<\/tr>\n
Magnitude apparente<\/a> (V)<\/small><\/th>\n11,9 2<\/a><\/sup>
\n12,9 dans la Bande B<\/a> 2<\/a><\/sup><\/td>\n<\/tr>\n
Brillance de surface<\/a><\/th>\n12,8\u00a0mag<\/a>\/am<\/a>2<\/sup>2<\/a><\/sup><\/td>\n<\/tr>\n
Dimensions apparentes (V)<\/small><\/th>\n1,8\u2032<\/a> \u00d7 1,2\u2032<\/a>2<\/a><\/sup><\/td>\n<\/tr>\n
D\u00e9calage vers le rouge<\/a><\/th>\n0,019764 \u00b1 0,0000251<\/a><\/sup><\/td>\n<\/tr>\n
Angle de position<\/th>\n84\u00b02<\/a><\/sup><\/td>\n<\/tr>\n
\n
Astrom\u00e9trie<\/th>\n<\/tr>\n
Vitesse radiale<\/a><\/th>\n5\u00a0925 \u00b1 7\u00a0km\/s<\/a>3<\/a><\/sup><\/td>\n<\/tr>\n
Distance<\/th>\n82,8\u00a0\u00b1\u00a05,8\u00a0Mpc<\/a><\/abbr> (\u223c270\u00a0millions d’a.l.<\/a><\/abbr>) 4<\/a><\/sup><\/td>\n<\/tr>\n
Caract\u00e9ristiques physiques<\/th>\n<\/tr>\n
Type d’objet<\/th>\nGalaxie elliptique<\/a><\/td>\n<\/tr>\n
Type de galaxie<\/a><\/th>\nE1<\/a><\/sup>,<\/sup>2<\/a><\/sup> E3?5<\/a><\/sup><\/td>\n<\/tr>\n
Dimensions<\/th>\n141 000 a.l.6<\/a><\/sup><\/td>\n<\/tr>\n
D\u00e9couverte<\/th>\n<\/tr>\n
D\u00e9couvreur(s)<\/th>\nWilliam Herschel<\/a> 5<\/a><\/sup><\/td>\n<\/tr>\n
Date<\/th>\n9 f\u00e9vrier 1788<\/a>5<\/a><\/sup><\/td>\n<\/tr>\n
D\u00e9signation(s)<\/th>\nUGC<\/a> 3720
\nPGC<\/a> 20338
\nMCG<\/a> 8-13-96
\nZWG 234.91 2<\/a><\/sup><\/td>\n<\/tr>\n
Liste des galaxies elliptiques<\/a><\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div>
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Donn\u00e9es techniques
\n<\/span><\/p><\/h2><\/span>

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Image Lrgb<\/h2><\/a><\/div><\/div><\/div>
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Image Lrgb annotate<\/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

Peu imag\u00e9e, cette r\u00e9gion est pourtant tr\u00e8s riche en amas de galaxies et en galaxies originales.<\/p>\n

\"\"<\/a>

Situation dans le ciel, cliquez sur l’image pour une version plus grande<\/p><\/div>\n

La version annotate permet \u00e9galement de se rendre compte du nombre de galaxie du champs, impressionnant non ?<\/p>\n

\"\"<\/a>

Version annotate, cliquez sur l’image pour une version plus grande<\/p><\/div>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":8585,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[120,126,152,378,504,96,97,109,112,113],"tags":[346,426],"class_list":["post-8589","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-lrgb","category-observatoire-dorange","category-toutes-categories","category-saison-2019","category-favorites","category-galaxie","category-ag400","category-amas-de-galaxies","category-ngc","category-ic","tag-galaxies","tag-ngc2340","post_format-post-format-image"],"_links":{"self":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/8589","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=8589"}],"version-history":[{"count":9,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/8589\/revisions"}],"predecessor-version":[{"id":9458,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/8589\/revisions\/9458"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/media\/8585"}],"wp:attachment":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}