{"id":51,"date":"2015-04-20T00:58:55","date_gmt":"2015-04-19T22:58:55","guid":{"rendered":"http:\/\/www.austrianaviationart.org\/cms\/?p=51"},"modified":"2018-02-19T01:06:21","modified_gmt":"2018-02-19T00:06:21","slug":"m13-der-grosse-herkuleshaufen","status":"publish","type":"post","link":"https:\/\/www.austrianaviationart.org\/cms\/m13-der-grosse-herkuleshaufen\/","title":{"rendered":"M13 &#8211; Der gro\u00dfe Herkuleshaufen"},"content":{"rendered":"<p>Was f\u00fcr ein Anblick! Der gr\u00f6\u00dfte Sternhaufen unseres n\u00f6rdlichen Sternenhimmels.<\/p>\n<p>An wirklich sternhellen Orten k\u00f6nnte man ihn wohl fast erkennen, mit dem Fernglas als nebeliger Fleck auf jeden Fall, selbst in der Stadt! Den erste Anblick aber in einem kleinem Teleskop wird man aber immer in Erinnerung behalten: Als zun\u00e4chst nebeliger Fleck, der sich bei l\u00e4ngerem Betrachten durch die Adaption der Augen in einen Haufen einzelner Sterne aufl\u00f6st<em>:<\/em><\/p>\n<p> <div id=\"wppa-container-wrapper-1\" class=\"alignnone wppa-container-wrapper \" style=\"width:100%;clear:both;padding:0;position:relative;\"><div id=\"wppa-container-1\" style=\"width:100%;\" class=\"wppa-container wp-caption\"><div style=\"font-size:0;line-height:0\"><img fetchpriority=\"high\" decoding=\"async\" id=\"ph-743-1\" title=\"170713 -170728 M13 \" style=\"width:100%;margin:0;height:auto;padding:4px;border:1px solid #777777;box-sizing:border-box;background-color:#cccccc;border-radius:5px;\" width=\"904\" height=\"679\" src=\"https:\/\/www.austrianaviationart.org\/cms\/wp-content\/uploads\/wppa\/743.jpg?ver=32\" alt=\"170713 -170728 M13 \" class=\"size-medium wppa-sphoto\" loading=\"eager\"><\/div><div class=\"wp-caption-text\"><\/div><svg id=\"wppa-ajax-spin-1\" class=\"wppa-ajax-spin uil-default\" width=\"120px\" height=\"120px\" viewBox=\"0 0 100 100\" preserveAspectRatio=\"xMidYMid\" stroke=\"\" style=\"width:120px; height:120px; position:fixed; top:50%; margin-top:-60px; left:50%; margin-left:-60px; opacity:1; display:none; fill:#666666; background-color:#dddddd; border-radius:12px;\"><rect x=\"0\" y=\"0\" width=\"100\" height=\"100\" fill=\"none\" class=\"bk\"><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(0 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(22.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.09375s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(45 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.1875s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(67.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.28125s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(90 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.375s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(112.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.46875s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(135 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.5625s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(157.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.65625s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(180 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.75s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(202.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.84375s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(225 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"0.9375s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(247.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"1.03125s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(270 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"1.125s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(292.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"1.21875s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(315 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"1.3125s\" repeatCount=\"indefinite\" ><\/rect><rect class=\"wppa-ajaxspin\" x=\"47\" y=\"40\" width=\"6\" height=\"20\" rx=\"3\" ry=\"3\" transform=\"rotate(337.5 50 50) translate(0 -32)\"><animate attributeName=\"opacity\" from=\"1\" to=\"0\" dur=\"1.5s\" begin=\"1.40625s\" repeatCount=\"indefinite\" ><\/rect><\/svg><\/div><\/div>\n<!-- End [wppa type=\"photo\" photo=\"743\"] \/cms\/wp-json\/wp\/v2\/posts\/51 oc 1 23 queries in 5.9 ms. at 6:27. Max mem: 48.50 Mb. --><br \/>\n(in gro\u00df auf <a href=\"http:\/\/astrob.in\/329277\/0\/\" target=\"_blank\" rel=\"noopener\">AstroBin<\/a>)<\/p>\n<p>Als <a title=\"Wikipedia: M13 \" href=\"http:\/\/de.wikipedia.org\/wiki\/Messier_13\" target=\"_blank\" rel=\"noopener\">M 13 oder NGC 6205<\/a> steht er in den Katalogen. Zu finden im Sternbild des Herkules, das auf 1\/3 der gedachten Verbindung zwischen Wega und Arktur steht:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.austrianaviationart.org\/cms\/wp-content\/uploads\/2015\/02\/M13ak.gif\" alt=\"Auffindekarte M13\" \/><\/p>\n<p>Oben sind die letzten zwei Sterne der Deichsel des Gro\u00dfen Wagens. Den Deichsel Sternen folgt man im Bogen und trifft auf einen sehr hellen Stern: Arktur (im B\u00e4renh\u00fcter = <em>Bootes<\/em> BOO). Die Wega (in der Leier = <em> Lyra <\/em>LYR) ist auch sehr hell. Auf dem Weg dahin kommt man bei der N\u00f6rdlichen Krone (<em>Corona Borealis<\/em> CrB) vorbei. Dann kommt bereits der &#8222;Kasten&#8220; des Herkules (4 mittelhelle Sterne). Da steht der M13 im oberen 1\/3 wenn man die zwei Sterne oben und unten verbindet.<\/p>\n<p>Der Kugelsternhaufen besteht aus sehr alten Sternen. Er steht r\u00e4umlich oberhalb der Milchstra\u00dfengalaxie, ca 25.000 Lichtjahre weit weg, damit in etwa gleich weit von uns wie wir vom galaktischen Zentrum. Der Durchmesser betr\u00e4gt 150 Lichtjahre. Mit seiner scheinbaren Helligkeit von 5,8 ist er sehr an der Grenze, die mit freiem Auge bei besten Bedingungen sehen kann. Das Alter von M13 wird auf 14 Mrd. Jahre gesch\u00e4tzt. Die scheinbare Ausdehnung sind 16,6 Bogenminuten.<br \/>\n1974 wurde mit dem gro\u00dfen Radioteleskop in Arecibo eine <a href=\"https:\/\/de.wikipedia.org\/wiki\/Arecibo-Botschaft\" target=\"_blank\" rel=\"noopener\">erste Botschaft<\/a> der Menschheit dahin gesendet&#8230;.. Die R\u00fcckantwort wird aber noch etwas dauern<\/p>\n<p>Noch ein Bild durch eine Fotolinse: Der Trapezf\u00f6rmige Kasten des Herkules<\/p>\n<p> <div id=\"wppa-container-wrapper-2\" class=\"alignnone wppa-container-wrapper \" style=\"width:974px;padding:0;position:relative;\"><div id=\"wppa-container-2\" style=\"width:100%;\" class=\"wppa-container wp-caption\"><div style=\"font-size:0;line-height:0\"><img decoding=\"async\" id=\"ph-610-2\" title=\"160506 Herkules im weiten Feld\" style=\"width:100%;margin:0;height:auto;padding:4px;border:1px solid #777777;box-sizing:border-box;background-color:#cccccc;border-radius:5px;\" width=\"741\" height=\"904\" src=\"https:\/\/www.austrianaviationart.org\/cms\/wp-content\/uploads\/wppa\/610.jpg?ver=32\" alt=\"160506 Herkules im weiten Feld\" class=\"size-medium wppa-sphoto\" loading=\"eager\"><\/div><div class=\"wp-caption-text\"><\/div><svg id=\"wppa-ajax-spin-2\" class=\"wppa-ajax-spin uil-default\" width=\"120px\" height=\"120px\" viewBox=\"0 0 100 100\" preserveAspectRatio=\"xMidYMid\" stroke=\"\" style=\"width:120px; 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Max mem: 48.50 Mb. --><br \/>\nin gro\u00dfe auf <a href=\"http:\/\/www.astrobin.com\/full\/249048\/None\/\" target=\"_blank\" rel=\"noopener\">Astrobin &#8211; HER Widefield<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Was f\u00fcr ein Anblick! Der gr\u00f6\u00dfte Sternhaufen unseres n\u00f6rdlichen Sternenhimmels. An wirklich sternhellen Orten k\u00f6nnte man ihn wohl fast erkennen, mit dem Fernglas als nebeliger Fleck auf jeden Fall, selbst in der Stadt! Den erste Anblick aber in einem kleinem Teleskop wird man aber immer in Erinnerung behalten: Als zun\u00e4chst nebeliger Fleck, der sich bei &hellip; <a href=\"https:\/\/www.austrianaviationart.org\/cms\/m13-der-grosse-herkuleshaufen\/\" class=\"more-link\"><span class=\"screen-reader-text\">M13 &#8211; Der gro\u00dfe Herkuleshaufen<\/span> weiterlesen<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[25,26,33,35,45,34],"class_list":["post-51","post","type-post","status-publish","format-standard","hentry","category-deepsky","tag-astrofotografie","tag-astrophotography","tag-deep-space","tag-kugelsternhaufen","tag-m13","tag-sternhaufen"],"_links":{"self":[{"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/posts\/51","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/comments?post=51"}],"version-history":[{"count":12,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/posts\/51\/revisions"}],"predecessor-version":[{"id":2026,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/posts\/51\/revisions\/2026"}],"wp:attachment":[{"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/media?parent=51"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/categories?post=51"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/tags?post=51"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}