{"id":4326,"date":"2023-04-23T22:13:43","date_gmt":"2023-04-23T20:13:43","guid":{"rendered":"https:\/\/www.austrianaviationart.org\/cms\/?p=4326"},"modified":"2023-04-23T22:14:19","modified_gmt":"2023-04-23T20:14:19","slug":"asteroid-2023-dz2","status":"publish","type":"post","link":"https:\/\/www.austrianaviationart.org\/cms\/asteroid-2023-dz2\/","title":{"rendered":"Asteroid 2023 DZ2"},"content":{"rendered":"<p>Am 25.3.2022 flog wieder ein Asteroid nahe der Erde vorbei: Asteroid 2023 DZ2<\/p>\n<div class=\"\" dir=\"auto\">\n<div id=\":r1jn:\" class=\"x1iorvi4 x1pi30zi x1swvt13 x1l90r2v\" data-ad-comet-preview=\"message\" data-ad-preview=\"message\">\n<div class=\"x78zum5 xdt5ytf xz62fqu x16ldp7u\">\n<div class=\"xu06os2 x1ok221b\">\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xdj266r x126k92a\">\n<div dir=\"auto\"><\/div>\n<\/div>\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\">\n<p>Gegen 18:00 Uhr zog bei uns eine Sturm und Regenfront durch. 3 Stunden nach Frontdurchgang begann es vom Westen her tats\u00e4chlich aufzuklaren. Die Vorhersagen stimmten also recht gut.<\/p>\n<\/div>\n<\/div>\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\">\n<p>Im Osten dauerte es dann noch so bis 21:50, bis es wohl wirklich klar wurde und auch die n\u00f6tige Tiefe erreicht wurde um den ca mag +10 vorhergesagten Asteroiden zu sehen. Die n\u00f6tige Tiefe \u00fcberpr\u00fcfte ich an schwachen, aber noch gut sichtbaren Sternen im Bildfeld. Die waren auf mag +12 &#8211; also 5x dunkler. Die auf den Einzelbildern erreichte tiefe sollte also passen.<\/p>\n<p>Man mu\u00df auch bedenken: Wenn ein Objekt nicht am selben Punkt am Sensor bleibt, sondern w\u00e4hrend der Belichtung noch wandert, wird die Helligkeit aber noch weniger sein, weil ja das Licht auch verteilt wird&#8230;.<\/p>\n<\/div>\n<div dir=\"auto\">Ich hatte zwei Fotoapparate eingesetzt:<\/div>\n<div dir=\"auto\">\n<p>Fixpunkt im Bildfeld war die helle Spica, die um diese Zeit noch recht tief im Osten stand. Die setzte ich links oben ins Bildfeld, denn der Asteroid sollte ja unterhalb vorbeiziehen.<\/p>\n <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-1260-1\" title=\"230325 Sternbild Jungfrau beim Aufgang \" 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=\"676\" src=\"https:\/\/www.austrianaviationart.org\/cms\/wp-content\/uploads\/wppa\/1260.jpg?ver=32\" alt=\"230325 Sternbild Jungfrau beim Aufgang \" 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=\"1260\"] \/cms\/wp-json\/wp\/v2\/posts\/4326 oc 1 23 queries in 7.1 ms. at 1:18. Max mem: 48.50 Mb. -->\n<\/div>\n<\/div>\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\">Eine Kamera war an einem fixem Stativ mit dem 45mm Objektiv.<\/div>\n<div dir=\"auto\">Da wandern die Sterne dann nach oben durchs Bild, der Asteroid wanderte aber wesentlich langsamer in der Gegenrichtung zu den Sternen durchs Bildfeld.<\/div>\n<\/div>\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\">Eine zweite Kamera war mit dem 75mm Objektiv auf einer Nachf\u00fchrung. Da bleiben die Sterne dann am selben Ort, aber der Asteroid wandert st\u00e4rker durchs Bildfeld.<\/div>\n<\/div>\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\"> <div id=\"wppa-container-wrapper-2\" class=\"alignnone wppa-container-wrapper \" style=\"width:100%;clear:both;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-1261-2\" title=\"23032 Asteroid 2023 DZ2 Crop\" 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=\"604\" src=\"https:\/\/www.austrianaviationart.org\/cms\/wp-content\/uploads\/wppa\/1261.jpg?ver=32\" alt=\"23032 Asteroid 2023 DZ2 Crop\" 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; 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=\"1261\"] \/cms\/wp-json\/wp\/v2\/posts\/4326 oc 2 17 queries in 4.6 ms. at 1:18. Max mem: 48.50 Mb. --><\/div>\n<\/div>\n<\/div>\n<div dir=\"auto\">auf Astrobin:https:\/\/astrob.in\/fy4nbm\/B\/<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div dir=\"auto\"><\/div>\n<div class=\"\" dir=\"auto\">\n<div id=\":r1jn:\" class=\"x1iorvi4 x1pi30zi x1swvt13 x1l90r2v\" data-ad-comet-preview=\"message\" data-ad-preview=\"message\">\n<div class=\"x78zum5 xdt5ytf xz62fqu x16ldp7u\">\n<div class=\"xu06os2 x1ok221b\">\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\">Die Belichtung passte ich an die Helligkeit des Bildes an: gen\u00fcgend hell sollte das Bild sein. Limitierung sollte (wie meist) der des Himmelshintergrund sein.<\/div>\n<div dir=\"auto\">Dann suchte ich in den Bildern in der vorhergesagten Region nach einer entsprechenden schwachen Strichspur, die der Asteroid hinterlassen sollte&#8230;.<\/div>\n<\/div>\n<div class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\">Im Bildfeld vom Stativ konnte ich ihn dann entdecken: Da wanderte ja der Asteroid relativ langsam zu den Sternen durchs Bild und sollte ja auch etwas besser sichtbar sein&#8230;.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Am 25.3.2022 flog wieder ein Asteroid nahe der Erde vorbei: Asteroid 2023 DZ2 Gegen 18:00 Uhr zog bei uns eine Sturm und Regenfront durch. 3 Stunden nach Frontdurchgang begann es vom Westen her tats\u00e4chlich aufzuklaren. Die Vorhersagen stimmten also recht gut. Im Osten dauerte es dann noch so bis 21:50, bis es wohl wirklich klar &hellip; <a href=\"https:\/\/www.austrianaviationart.org\/cms\/asteroid-2023-dz2\/\" class=\"more-link\"><span class=\"screen-reader-text\">Asteroid 2023 DZ2<\/span> weiterlesen<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[219,89,220],"class_list":["post-4326","post","type-post","status-publish","format-standard","hentry","category-asteroides","tag-asteroid-2023-dz2","tag-asteroiden","tag-mft75-1-8"],"_links":{"self":[{"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/posts\/4326","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=4326"}],"version-history":[{"count":2,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/posts\/4326\/revisions"}],"predecessor-version":[{"id":4328,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/posts\/4326\/revisions\/4328"}],"wp:attachment":[{"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/media?parent=4326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/categories?post=4326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.austrianaviationart.org\/cms\/wp-json\/wp\/v2\/tags?post=4326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}