{"id":96427,"date":"2024-09-30T18:21:30","date_gmt":"2024-09-30T16:21:30","guid":{"rendered":"https:\/\/www.astb.se\/cassiopeiabloggen\/?p=96427"},"modified":"2024-09-30T18:21:32","modified_gmt":"2024-09-30T16:21:32","slug":"nr-61-2024","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2024\/09\/30\/nr-61-2024\/","title":{"rendered":"Nr 61 2024"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Saturnus \u00f6ver Malm\u00f6<\/h2>\n\n\n\n<p>&#8211; Ig\u00e5r (29.9) blev det s\u00e5 \u00e4ntligen n\u00e5gorlunda bra f\u00f6rh\u00e5llanden i Malm\u00f6 f\u00f6r planetfoto,. Enligt min uppskattning hade vi en seeing p\u00e5 stundtals 7\/10 samt god transparens, ber\u00e4ttar <strong>Hans Hilderfors.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/Saturnus-2024-09-29.jpg\"><img decoding=\"async\" width=\"900\" height=\"676\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/Saturnus-2024-09-29.jpg\" alt=\"\" class=\"wp-image-96428\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/Saturnus-2024-09-29.jpg 900w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/Saturnus-2024-09-29-300x225.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/Saturnus-2024-09-29-768x577.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure>\n\n\n\n<p>&#8211; Jag tog en sekvens bilder p\u00e5 Saturnus. Ringarnas \u00f6ppning sett fr\u00e5n jorden har \u00f6kat n\u00e5got senaste m\u00e5naderna och ligger nu p\u00e5 cirka 4,5\u00b0 f\u00f6r att sedan efter november \u00e5ter minska och g\u00e5 ner mot noll i b\u00f6rjan av 2025.<\/p>\n\n\n\n<p>&#8211; Saturnus stod cirka 25\u00b0 \u00f6ver horisonten med skenbar storlek p\u00e5 19&#8243; \u00a0(44&#8243; med ringar).<\/p>\n\n\n\n<p>&#8211; Jag anv\u00e4nde min 6-tums refraktor + barlow vilket gav en br\u00e4nnvidd p\u00e5 3520 mm.<\/p>\n\n\n\n<p>&#8211; Det blev 10\u00a0000 bilder tagna under drygt 8 minuter varav de 20% b\u00e4sta stackades till slutbilden.<\/p>\n\n\n\n<p>&#8211; Exponeringstid per bild 50ms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Astronomdagarna i Lund<\/h2>\n\n\n\n<p>Av olika sk\u00e4l, om\u00f6jligheten att clonas plus n\u00e5gra obetydliga medicinska insuffisienser, kan W-bloggen inte delta i \u00e5rets utg\u00e5va av astronomidagarna i Lund 2-4 oktober.. Men jag tror inte n\u00e5gon kastar ut oss om de som l\u00e4ser detta villa lyssna in p\u00e5 alla f\u00f6redragningar av unga svenska och andra astronomer. Plats: LUX Auditorium.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.lundobservatory.lu.se\/astronomdagarna-2024\" title=\"\">Programmet h\u00e4r i sin helhet. <\/a><\/p>\n\n\n\n<p>Unikt \u00e4r vad jag vet att Malm\u00f6 Universitet f\u00f6r f\u00f6rsta g\u00e5ngen \u00e4r med, genom <strong>Shilpa B Seshashayanba <\/strong>som f\u00f6rel\u00e4ser om sin forskning p\u00e5 temat <em>Fluorine abundances in Open Clusters<\/em>.<\/p>\n\n\n\n<p>Under Nordenmarkf\u00f6rel\u00e4sningen onsdagkv\u00e4ll  lovar <strong>Sanna Alwmark<\/strong> ber\u00e4tta om <em>Jakten p\u00e5 stenplaneternas tidiga historia<\/em> och under konferensmiddagen i Vattenhallen, till kaffet, blir det<strong> Dainis Dravins<\/strong> som underh\u00e5ller om <em>Astronomy meetings in Sweden \u2013 a very non-personal view<\/em>. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M87:s jetstr\u00e5le t\u00e4ndhatt f\u00f6r novor<\/h2>\n\n\n\n<p>Hubble-teleskopet har uppt\u00e4ckt en mycket m\u00e4rklig sak i galaxen M87:  Att jetstr\u00e5len fr\u00e5n dess svarta h\u00e5l fungerar som t\u00e4ndhatt f\u00f6r novor som f\u00e4rdas inte inuti jetstr\u00e5len men v\u00e4l l\u00e4ngs den. <\/p>\n\n\n\n<p>Vi vet mycket lite om hur dessa jetstr\u00e5lar  interagerar med den kosmiska omgivningen och den nya uppt\u00e4ckten g\u00f6r inte ekvationen enklare. Mycket sp\u00e4nnande!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/heic2411a.jpg\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/heic2411a-1024x576.jpg\" alt=\"\" class=\"wp-image-96434\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/heic2411a-1024x576.jpg 1024w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/heic2411a-300x169.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/heic2411a-768x432.jpg 768w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2024\/09\/heic2411a.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>Konstn\u00e4rlig \u00e5tergivning av centrumet i M87 t v om jetstr\u00e5len, som triggar ig\u00e5ng en novaexplosion i dubbelstj\u00e4rnparet. Bildk\u00e4lla:esahubble.org<\/em><\/p>\n\n\n\n<p><a href=\"https:\/\/esahubble.org\/news\/heic2411\/?lang\" title=\"\">Hubbles pressrapport finns h\u00e4r.<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Saturnus \u00f6ver Malm\u00f6 &#8211; Ig\u00e5r (29.9) blev det s\u00e5 \u00e4ntligen n\u00e5gorlunda bra f\u00f6rh\u00e5llanden i Malm\u00f6 f\u00f6r planetfoto,. Enligt min uppskattning hade vi en seeing p\u00e5 stundtals 7\/10 samt god transparens, ber\u00e4ttar Hans Hilderfors. &#8211; Jag tog en sekvens bilder p\u00e5 Saturnus. Ringarnas \u00f6ppning sett fr\u00e5n jorden har \u00f6kat n\u00e5got senaste m\u00e5naderna och ligger nu p\u00e5&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2024\/09\/30\/nr-61-2024\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 61 2024<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/96427"}],"collection":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/comments?post=96427"}],"version-history":[{"count":9,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/96427\/revisions"}],"predecessor-version":[{"id":96438,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/96427\/revisions\/96438"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=96427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=96427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=96427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}