{"id":69361,"date":"2023-12-14T15:29:45","date_gmt":"2023-12-14T14:29:45","guid":{"rendered":"https:\/\/www.parcastronomicprades.cat\/tv3-descobreixen-des-de-prades-una-gran-nebulosa-a-la-galaxia-del-triangle\/"},"modified":"2023-12-14T15:29:45","modified_gmt":"2023-12-14T14:29:45","slug":"tv3-descobreixen-des-de-prades-una-gran-nebulosa-a-la-galaxia-del-triangle","status":"publish","type":"post","link":"https:\/\/www.parcastronomicprades.cat\/es\/tv3-descobreixen-des-de-prades-una-gran-nebulosa-a-la-galaxia-del-triangle\/","title":{"rendered":"TV3: Descobreixen des de Prades una gran nebulosa a la gal\u00e0xia del Triangle"},"content":{"rendered":"<header class=\"R-itemNotiInfo\">\n<h1 class=\"titol\">Descobreixen des de Prades una gran nebulosa a la gal\u00e0xia del Triangle<\/h1>\n<h2 class=\"entradeta\">Han estat necess\u00e0ries 153 hores d&#8217;observaci\u00f3 per detectar la nebulosa que s&#8217;ha anomenat \u00abRoig1 Prades Sky\u00bb<\/h2>\n<div class=\"wrapper-autor-data-compartir\">\n<div class=\"R-autorData noFoto C-dosDates \">\n<div class=\"F-autorData C-dosDates\"><small class=\"autor\">Eloi Cordom\u00ed<\/small><time class=\"data\" datetime=\"2023-12-13 16:06\">13\/12\/2023 &#8211; 16.06<\/time><\/div>\n<\/div>\n<div class=\"R-rightShare C-dosDates\">\n<div class=\"F-addThisTop\">\n<div class=\"wrapper_M-compartir C-dreta C-neutre C-itemNoti_dosDates\">\n<div id=\"M-compartirTop\" class=\"M-compartir noGapAfter\" role=\"region\" aria-label=\"Comparteix\" data-mode=\"pu-basic\" data-titol=\"\" data-url=\"\">\n<div class=\"ico-twitter\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/header>\n<div class=\"R-itemNotiCos\">\n<p>La <strong>gal\u00e0xia del Triangle<\/strong>, M33, \u00e9s una de les m\u00e9s properes que coneixem, juntament amb la gal\u00e0xia d&#8217;Andr\u00f2meda. Les dues es poden arribar a veure amb prism\u00e0tic en llocs amb un cel ben fosc i s\u00f3n objecte de moltes campanyes d&#8217;observaci\u00f3 tan d&#8217;astr\u00f2noms professionals com d&#8217;amateurs. Aquestes gal\u00e0xies han estat observades des del segle XVII i <strong>\u00e9s estrany que ning\u00fa s&#8217;hagu\u00e9s fixat en aquesta nebulosa fins avui<\/strong>.<\/p>\n<p>Aleix Roig, astrofot\u00f2graf i cofundador del Parc Astron\u00f2mic Muntanyes de Prades, feia anys que planificant la fotografia amb qu\u00e8 s&#8217;ha pogut fer el descobriment. Volia fer una <strong>imatge profunda de la gal\u00e0xia del Triangle<\/strong> i per aix\u00f2 ha necessitat <strong>153 hores d&#8217;observaci\u00f3<\/strong>, que es van fer entre el setembre i l&#8217;octubre passat. Per fer aquesta imatge va utilitzar uns filtres de banda estreta, poc comuns en l&#8217;\u00e0mbit professional i amateur per veure si podia descobrir alguna estructura mai abans detectada. I aix\u00ed va ser: <strong>en un extrem de la imatge de la gal\u00e0xia va apar\u00e8ixer una gran nebulosa d&#8217;almenys 1.500 anys llum de di\u00e0metre<\/strong> que si la tingu\u00e9ssim a la nostra Via L\u00e0ctia seria tan gran com 7 llunes plenes. <strong>La nebulosa s&#8217;ha anomenat \u00abRoig1 Prades Sky\u00bb<\/strong>, per\u00f2 popularment l&#8217;anomenaran \u00ab<strong>el cel de Prades<\/strong>\u00ab.<\/p>\n<figure class=\"imatge\"><img decoding=\"async\" class=\"CKEditorImageContainer_670x378\" src=\"https:\/\/img.ccma.cat\/multimedia\/jpg\/2\/9\/1702476753092_670.jpg\" alt=\"\"><figcaption>Nebulosa \u00abRoig1 Prades Sky\u00bb (Aleix Roig)<\/figcaption><\/figure>\n<p>Segons l&#8217;autor de la troballa ha estat com \u00ab<strong>descobrir a la Sagrada Fam\u00edlia un gravat in\u00e8dit que mai ning\u00fa havia vist\u00bb<\/strong><\/p>\n<p>No \u00e9s sorprenent que un astrofot\u00f2graf amateur descobreixi una estructura d&#8217;aquest tipus. A difer\u00e8ncia dels astr\u00f2noms professionals que cobreixen petites \u00e0rees de la gal\u00e0xia amb eines molt precises durant espais curts de temps,<strong> els astr\u00f2noms amateurs disposen de temps indefinit<\/strong>, amb la qual cosa a c\u00f2pia de nits i nits d&#8217;observaci\u00f3 i molta experi\u00e8ncia,<strong> poden aconseguir resultats semblants als dels aparells m\u00e9s precisos<\/strong>. Aix\u00f2 els permet capturar un camp del cel enorme i tenir m\u00e9s possibilitats de detectar estructures que havien passat desapercebudes fins ara.<\/p>\n<p>El descobriment s&#8217;ha publicat aquesta setmana a la revista American Astronomical Society o al portal ArXiv, per\u00f2 ell mateix va poder explicar la prim\u00edcia al programa \u00abTot es mou\u00bb de TV3.<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.ccma.cat\/el-temps\/descobreixen-des-de-prades-una-gran-nebulosa-a-la-galaxia-del-triangle\/noticia\/3266199\/\">VER LA NOTICIA<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Descobreixen des de Prades una gran nebulosa a la gal\u00e0xia del Triangle Han estat necess\u00e0ries 153 hores d&#8217;observaci\u00f3 per detectar [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":69358,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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