{"id":4020,"date":"2023-06-08T00:15:37","date_gmt":"2023-06-07T22:15:37","guid":{"rendered":"https:\/\/www.ashk.cz\/?p=4020"},"modified":"2023-06-08T00:18:39","modified_gmt":"2023-06-07T22:18:39","slug":"supernova-sn-2023ixf-v-m101-vetrnik","status":"publish","type":"post","link":"https:\/\/www.ashk.cz\/?p=4020","title":{"rendered":"Supernova SN 2023ixf v M101 (V\u011btrn\u00edk)"},"content":{"rendered":"<p>V souhv\u011bzd\u00ed Velk\u00e9 Medv\u011bdice v galaxii M101 (V\u011btrn\u00edk) n\u00e1m v druh\u00e9 polovin\u011b kv\u011btna vzpl\u00e1la supernova typu II dostala ozna\u010den\u00ed <a href=\"https:\/\/www.aavso.org\/LCGv2\/index.htm?DateFormat=Julian&amp;RequestedBands=&amp;view=api.delim&amp;ident=000-BPQ-019&amp;fromjd=2459897.90282585&amp;tojd=2460097.68674&amp;delimiter=@@@\" target=\"_blank\" rel=\"noopener\">SN 2023ixf<\/a> . Jeliko\u017e jasnost t\u00e9to supernovy se za\u010d\u00e1tkem \u010dervna bl\u00ed\u017eila k 11. magnitud\u011b rozhodl jsem se o po\u0159\u00edzen\u00ed fotografie pomoc\u00ed m\u00e9ho 25 centimetrov\u00e9ho Newtona. P\u0159\u00edle\u017eitost se naskytla v noci z 31.5.\/1.6. bohu\u017eel M\u011bs\u00edc byl dva dny do \u00fapl\u0148ku. Tak\u017ee podm\u00ednky nebyli v\u016fbec ide\u00e1ln\u00ed. Po\u0159\u00eddil jsem nakonec 42 sn\u00edmk\u016f po 10 sekund\u00e1ch. Po\u0159\u00edzen\u00ed t\u011bchto n\u011bkolika sn\u00edmk\u016f byl nakonec docela velk\u00fd o\u0159\u00ed\u0161ek. Dalekohled d\u00e1v\u00e1m na p\u0159enosnou mont\u00e1\u017e EQ6 a jej\u00ed ustaven\u00ed je v\u017edy problematick\u00e9. Hlavn\u00edm probl\u00e9mem bylo mal\u00e9 pole Newtona a rozcentrovan\u00fd hled\u00e1\u010dek a m\u011bs\u00ed\u010dn\u00ed svit. Zhruba po p\u016fl hodin\u011b se zada\u0159ilo a do zorn\u00e9ho pole &#8220;25tky&#8221; se mi poda\u0159ilo dostat pole s M101. V\u00fdsledek m\u00e9ho po\u010d\u00edn\u00e1n\u00ed vid\u00edte na p\u0159ilo\u017een\u00e9m obr\u00e1zku. Ti co byli na \u010dervnov\u00e9m setk\u00e1n\u00ed ASHK ur\u010dit\u011b poznaj\u00ed rozd\u00edl ve zpracov\u00e1n\u00ed sn\u00edmku. Foceno pomoc\u00ed N250\/1200 + Canon Ra 42x10s ISO3200. V dob\u011b po\u0159\u00edzen\u00ed t\u00e9to fotografie m\u011bla supernova ve vizu\u00e1ln\u00edm oboru 11.1 magnitudy.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_4021\" aria-describedby=\"caption-attachment-4021\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.ashk.cz\/wp-content\/uploads\/2023\/06\/SN_M101.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-4021\" src=\"https:\/\/www.ashk.cz\/wp-content\/uploads\/2023\/06\/SN_M101-1024x684.jpg\" alt=\"SN 2023ixf\" width=\"768\" height=\"513\" srcset=\"https:\/\/www.ashk.cz\/wp-content\/uploads\/2023\/06\/SN_M101-1024x684.jpg 1024w, https:\/\/www.ashk.cz\/wp-content\/uploads\/2023\/06\/SN_M101-300x200.jpg 300w, https:\/\/www.ashk.cz\/wp-content\/uploads\/2023\/06\/SN_M101-600x401.jpg 600w, https:\/\/www.ashk.cz\/wp-content\/uploads\/2023\/06\/SN_M101-1000x668.jpg 1000w, https:\/\/www.ashk.cz\/wp-content\/uploads\/2023\/06\/SN_M101-1200x802.jpg 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><figcaption id=\"caption-attachment-4021\" class=\"wp-caption-text\">SN 2023ixf v M 101 (V\u011btrn\u00edk)<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>V souhv\u011bzd\u00ed Velk\u00e9 Medv\u011bdice v galaxii M101 (V\u011btrn\u00edk) n\u00e1m v druh\u00e9 polovin\u011b kv\u011btna vzpl\u00e1la supernova typu II dostala ozna\u010den\u00ed SN 2023ixf . Jeliko\u017e jasnost t\u00e9to supernovy se za\u010d\u00e1tkem \u010dervna bl\u00ed\u017eila k 11. magnitud\u011b rozhodl jsem se o po\u0159\u00edzen\u00ed fotografie pomoc\u00ed m\u00e9ho 25 centimetrov\u00e9ho Newtona. P\u0159\u00edle\u017eitost se naskytla v noci z 31.5.\/1.6. bohu\u017eel M\u011bs\u00edc byl dva [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4021,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,5],"tags":[],"class_list":["post-4020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astrofotografie","category-pozorovani"],"_links":{"self":[{"href":"https:\/\/www.ashk.cz\/index.php?rest_route=\/wp\/v2\/posts\/4020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ashk.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ashk.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ashk.cz\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ashk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4020"}],"version-history":[{"count":9,"href":"https:\/\/www.ashk.cz\/index.php?rest_route=\/wp\/v2\/posts\/4020\/revisions"}],"predecessor-version":[{"id":4030,"href":"https:\/\/www.ashk.cz\/index.php?rest_route=\/wp\/v2\/posts\/4020\/revisions\/4030"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ashk.cz\/index.php?rest_route=\/wp\/v2\/media\/4021"}],"wp:attachment":[{"href":"https:\/\/www.ashk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ashk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ashk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}