Nov\u00fd obecn\u00fd katalog hv\u011bzdokup a mlhovin ve skute\u010dnosti nen\u00ed a\u017e tak nov\u00fd. Vyd\u00e1n byl toti\u017e ji\u017e v roce 1888 \u2013 \u0161lo o snahu J. L. E. Dreyera sjednotit pr\u00e1ci astronom\u016f Williama, Caroline a Johna Herschelov\u00fdch a dal\u0161\u00edch do jedin\u00e9ho u\u017eite\u010dn\u00e9ho a ucelen\u00e9ho katalogu astronomick\u00fdch objev\u016f a m\u011b\u0159en\u00ed. Dreyerova pr\u00e1ce byla do zna\u010dn\u00e9 m\u00edry \u00fasp\u011b\u0161n\u00e1 a je d\u016fle\u017eit\u00e1 i dnes, proto\u017ee tento slavn\u00fd katalog nad\u00e1le prop\u016fj\u010duje sv\u00e9 ozna\u010den\u00ed \u201eNGC\u201c jasn\u00fdm hv\u011bzdokup\u00e1m, galaxi\u00edm a mlhovin\u00e1m. Vezm\u011bme si nap\u0159\u00edklad hv\u011bzdokupu zn\u00e1mou jako NGC 188 (polo\u017eka \u010d\u00edslo 188 v kompilaci NGC). Le\u017e\u00ed ve vzd\u00e1lenosti asi 6 000 sv\u011bteln\u00fdch let v severn\u00ed souhv\u011bzd\u00ed Cepheus a p\u0159edstavuje galaktickou nebo otev\u0159enou hv\u011bzdokupu. S v\u011bkem asi 7 miliard let je NGC 188 na otev\u0159enou hv\u011bzdokupu star\u00fd. Jeho star\u00e9, vyvinut\u00e9 \u010derven\u00e9 ob\u0159\u00ed hv\u011bzdy maj\u00ed v tomto barevn\u00e9m pohledu na hlubok\u00e9 nebe na\u017eloutl\u00e9 odst\u00edny. NGC 188 m\u00e1 tak\u00e9 ozna\u010den\u00ed Caldwell 1 v modern\u00edm katalogu objekt\u016f hlubok\u00e9ho vesm\u00edru. Tato prastar\u00e1 hv\u011bzdn\u00e1 skupina, kter\u00e1 se nach\u00e1z\u00ed vysoko nad rovinou Ml\u00e9\u010dn\u00e9 dr\u00e1hy a je viditeln\u00e1 ve sm\u011bru severn\u00edho nebesk\u00e9ho p\u00f3lu planety Zem\u011b, je n\u011bkter\u00fdm zn\u00e1m\u00e1 jako Polarissima Cluster.<\/p>\n
<\/p>\n
**Credit**: Neven Krcmarek<\/p>\n","protected":false},"excerpt":{"rendered":"
Nov\u00fd obecn\u00fd katalog hv\u011bzdokup a mlhovin ve skute\u010dnosti nen\u00ed a\u017e tak nov\u00fd. Vyd\u00e1n byl toti\u017e ji\u017e v roce 1888 \u2013 \u0161lo o snahu J. L. E. Dreyera sjednotit pr\u00e1ci astronom\u016f […]<\/p>\n","protected":false},"author":1,"featured_media":3871,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3870","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/comments?post=3870"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3870\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3871"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}