{"id":272,"date":"2019-05-22T12:00:23","date_gmt":"2019-05-22T10:00:23","guid":{"rendered":"https:\/\/astrogarrotxa.wordpress.com\/?p=272"},"modified":"2019-06-13T08:07:27","modified_gmt":"2019-06-13T06:07:27","slug":"nebulosa-de-laguila-i-els-pilars-de-la-creacio","status":"publish","type":"post","link":"https:\/\/www.astrogarrotxa.cat\/?p=272","title":{"rendered":"Nebulosa de l&#8217;\u00c0guila i els Pilars de la Creaci\u00f3"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1136\" height=\"1072\" src=\"https:\/\/www.astrogarrotxa.cat\/wp-content\/uploads\/2019\/05\/20190521-m16_pilarscreacic3b3_astrogarrotxa.jpg\" alt=\"\" class=\"wp-image-273\" srcset=\"https:\/\/www.astrogarrotxa.cat\/wp-content\/uploads\/2019\/05\/20190521-m16_pilarscreacic3b3_astrogarrotxa.jpg 1136w, https:\/\/www.astrogarrotxa.cat\/wp-content\/uploads\/2019\/05\/20190521-m16_pilarscreacic3b3_astrogarrotxa-300x283.jpg 300w, https:\/\/www.astrogarrotxa.cat\/wp-content\/uploads\/2019\/05\/20190521-m16_pilarscreacic3b3_astrogarrotxa-768x725.jpg 768w, https:\/\/www.astrogarrotxa.cat\/wp-content\/uploads\/2019\/05\/20190521-m16_pilarscreacic3b3_astrogarrotxa-1024x966.jpg 1024w, https:\/\/www.astrogarrotxa.cat\/wp-content\/uploads\/2019\/05\/20190521-m16_pilarscreacic3b3_astrogarrotxa-318x300.jpg 318w\" sizes=\"(max-width: 1136px) 100vw, 1136px\" \/><\/figure>\n\n\n\n<p>A la <strong>constel\u00b7laci\u00f3 de l&#8217;\u00c0guila<\/strong> ens trobem aquesta meravellosa nebulosa d&#8217;emissi\u00f3 tipus \u00ab<em>regi\u00f3 H II<\/em>\u00ab, que porta el nom de la pr\u00f2pia constel\u00b7laci\u00f3. Tamb\u00e9 coneguda com a <strong>M16<\/strong> (forma part del c\u00e0t\u00e0leg Messier de Nebuloses) en realitat s\u00f3n dos objectes conjunts. Per una banda, la nebulosa d&#8217;emissi\u00f3 pr\u00f2piament dita, i tamb\u00e9 un c\u00famul obert catalogat com a <strong>NGC 6611<\/strong>. Les aproximadament 450 estrelles d&#8217;aquest c\u00famul s\u00f3n de nova creaci\u00f3 (tenen entre 1 i 2 milions d&#8217;anys d&#8217;edat) i provenen del gran n\u00favol de gas hidrogen de la nebulosa. <\/p>\n\n\n\n<p>La fotografia ha estat realitzada per en <strong>Jordi Esquerr\u00e0<\/strong> (soci d&#8217;<strong>Astrogarrotxa<\/strong>) el 21 de maig del 2019, mitjan\u00e7ant el Telescopi remot T32 (Planewave 17\u00bb CDK), amb les seg\u00fcents caracter\u00edstiques:<br>    3x600s Ha Astrodon 5nm<br>    15dark \/ flats \/ bias <\/p>\n\n\n\n<p>En el centre de la <strong>Nebulosa de l&#8217;\u00c0guila<\/strong> es poden observar les espectaculars formes del n\u00favol de gas, en forma d&#8217;estalagmites, i es coneixen com a <strong>Els Pilars de la Creaci\u00f3<\/strong>. S\u00f3n molt coneguts en el m\u00f3n de l&#8217;astrofotografia degut la imatge que va aconseguir el <strong>Telescopi Hubble<\/strong> en alta definici\u00f3, i degut a la seva bellesa han sortit en pel\u00b7l\u00edcules de ci\u00e8ncia ficci\u00f3, com <strong>Contact<\/strong>, (basada en un llibre del divulgador astron\u00f2mic Carl Sagan).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/b\/b2\/Eagle_nebula_pillars.jpg\/300px-Eagle_nebula_pillars.jpg\" alt=\"\" width=\"332\" height=\"326\" \/><figcaption>Fotografia del 1995, obtinguda per la <strong>C\u00e0mera Planet\u00e0ria i de Gran Angular 2<\/strong> del <strong>Telescopi Espacial Hubble<\/strong>, amb colors vermells per a les zones d&#8217;emissi\u00f3 de sofre ionitzat, verds per a emissi\u00f3 d&#8217;hidrogen i blaus per a l&#8217;emissi\u00f3 d&#8217;oxigen. <\/figcaption><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A la constel\u00b7laci\u00f3 de l&#8217;\u00c0guila ens trobem aquesta meravellosa nebulosa d&#8217;emissi\u00f3 tipus \u00abregi\u00f3 H II\u00ab, que porta el nom de la pr\u00f2pia constel\u00b7laci\u00f3. Tamb\u00e9 coneguda com a M16 (forma part del c\u00e0t\u00e0leg Messier de Nebuloses) en realitat s\u00f3n dos objectes conjunts. Per una banda, la nebulosa d&#8217;emissi\u00f3 pr\u00f2piament dita, i tamb\u00e9 un c\u00famul obert catalogat [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,7],"tags":[],"class_list":["post-272","post","type-post","status-publish","format-standard","hentry","category-astrofotografia","category-messier"],"_links":{"self":[{"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=\/wp\/v2\/posts\/272"}],"collection":[{"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=272"}],"version-history":[{"count":1,"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions"}],"predecessor-version":[{"id":319,"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions\/319"}],"wp:attachment":[{"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astrogarrotxa.cat\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}