{"id":91557,"date":"2022-09-21T19:48:02","date_gmt":"2022-09-21T17:48:02","guid":{"rendered":"https:\/\/www.astb.se\/cassiopeiabloggen\/?p=91557"},"modified":"2022-09-21T20:48:39","modified_gmt":"2022-09-21T18:48:39","slug":"nr-74-2022","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2022\/09\/21\/nr-74-2022\/","title":{"rendered":"Nr 75 2022"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Hej Neptunus fr\u00e5n James Webb ST&#8230;<\/h2>\n\n\n\n<p>I dag sl\u00e4pptes <a href=\"https:\/\/www.nasa.gov\/feature\/goddard\/2022\/new-webb-image-captures-clearest-view-of-neptune-s-rings-in-decades\">denna spektakul\u00e4ra bild f<\/a>r\u00e5n JWST p\u00e5 Neptunus med de st\u00f6rsta m\u00e5narna och gasplanetens ringar:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/for_stsci_site_imageb-neptunelabeled-1.png\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/for_stsci_site_imageb-neptunelabeled-1-1024x1024.png\" alt=\"\" class=\"wp-image-91575\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/for_stsci_site_imageb-neptunelabeled-1-1024x1024.png 1024w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/for_stsci_site_imageb-neptunelabeled-1-300x300.png 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/for_stsci_site_imageb-neptunelabeled-1-150x150.png 150w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/for_stsci_site_imageb-neptunelabeled-1-768x768.png 768w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/for_stsci_site_imageb-neptunelabeled-1.png 1059w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">.. och hej sj\u00e4lv d\u00e4r ute James Webb &#8211; fr\u00e5n Malm\u00f6!<\/h2>\n\n\n\n<p>Kan man f\u00e5nga JWST p\u00e5 astrofoto fr\u00e5n Malm\u00f6? Svar: jovisst !<\/p>\n\n\n\n<p>Ordet till <strong>Hans Hilderfors:<\/strong><\/p>\n\n\n\n<p>&#8211; Jag f\u00f6rs\u00f6kte ikv\u00e4ll (20.9) ta en bild p\u00e5 JWST som \u00e4r stationerad i Lagrangepunkten 2 (L2). Aktuella data f\u00f6r s\u00e5 kallade banelement laddade jag ner fr\u00e5n JPL Horizons (on-line ephemeris system) till ett styrprogram som heter SkyTrack. P\u00e5 s\u00e5 vis kunde min montering med stor noggrannhet f\u00f6lja JWST p\u00e5 sin bana.<\/p>\n\n\n\n<p>&#8211; Det blev 22 exponeringar om vardera 1 minut. Dessa summerades till en bild och fram tr\u00e4dde JWST som en svag ljus prick. Stj\u00e4rnorna blev som streck eftersom teleskopet f\u00f6ljde JWST.<\/p>\n\n\n\n<p>Hans ber\u00e4ttar att det finns lite olika uppgifter om vilken magnitud JWST har sett fr\u00e5n jorden. Tycks enligt uppgift variera mellan cirka mag 16 \u2013 19 beroende p\u00e5 hur det reflekterande solskyddet \u00e4r vinklat.<\/p>\n\n\n\n<p>Bildf\u00e4ltet \u00e4r cirka 17&#8242; x 13&#8242;.&nbsp; RA: 22h 25m&nbsp; Dec: +02\u00b0 31&#8242;.<\/p>\n\n\n\n<p>Bilden tagen med min 5-tums refraktor och monokrom CMOS kamera med L-filter.<\/p>\n\n\n\n<p>JWST = James Web Space Telescope<\/p>\n\n\n\n<p>JPL = Jet Propulsion Lab<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/JWST-fran-Malmo-2022-09-20.jpg\"><img decoding=\"async\" width=\"800\" height=\"601\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/JWST-fran-Malmo-2022-09-20.jpg\" alt=\"\" class=\"wp-image-91559\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/JWST-fran-Malmo-2022-09-20.jpg 800w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/JWST-fran-Malmo-2022-09-20-300x225.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/JWST-fran-Malmo-2022-09-20-768x577.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fler unika astrobilder fr\u00e5n Malm\u00f6 (Bunkeflostrand)<\/h2>\n\n\n\n<p>Ordf <strong>Peter Linde<\/strong> undrade h\u00e4rom dan om inte v\u00e5ra duktiga ASTB-astrofotografer borde f\u00e5 en egen ASTB-sajt f\u00f6r sina unika bilder. Vi har m\u00e5nga astrofotografer i v\u00e5r krets och fler \u00e4r p\u00e5 g\u00e5ng.<\/p>\n\n\n\n<p>Fr\u00e5n MARS\/ASTB-nestorn <strong>Bengt R\u00f6nde <\/strong>kommer tv\u00e5 goda dagsaktuella exempel:<\/p>\n\n\n\n<p>M33&nbsp;(Triangelgalaxen)&nbsp;och&nbsp;Helix-nebulosan.<\/p>\n\n\n\n<p>&#8211; Som&nbsp;vanligt&nbsp;pl\u00e5tade&nbsp;med&nbsp;min&nbsp;F\u00e5gelkamera,&nbsp;Canon&nbsp;R5&nbsp;med&nbsp;500&nbsp;mm&nbsp;objektiv,&nbsp;fr\u00e5n&nbsp;min&nbsp;tr\u00e4dg\u00e5rd.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/M33_20220903_500mm_187x10sek_ISO3200-scaled.jpg\"><img decoding=\"async\" width=\"1024\" height=\"773\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/M33_20220903_500mm_187x10sek_ISO3200-1024x773.jpg\" alt=\"\" class=\"wp-image-91560\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/M33_20220903_500mm_187x10sek_ISO3200-1024x773.jpg 1024w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/M33_20220903_500mm_187x10sek_ISO3200-300x226.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/M33_20220903_500mm_187x10sek_ISO3200-768x580.jpg 768w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/M33_20220903_500mm_187x10sek_ISO3200-1536x1160.jpg 1536w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/M33_20220903_500mm_187x10sek_ISO3200-2048x1546.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/Helixnebulosan_20220901_500mm_280x10sek_ISO3200_2-scaled.jpg\"><img decoding=\"async\" width=\"1024\" height=\"803\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/Helixnebulosan_20220901_500mm_280x10sek_ISO3200_2-1024x803.jpg\" alt=\"\" class=\"wp-image-91561\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/Helixnebulosan_20220901_500mm_280x10sek_ISO3200_2-1024x803.jpg 1024w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/Helixnebulosan_20220901_500mm_280x10sek_ISO3200_2-300x235.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/Helixnebulosan_20220901_500mm_280x10sek_ISO3200_2-768x602.jpg 768w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/Helixnebulosan_20220901_500mm_280x10sek_ISO3200_2-1536x1205.jpg 1536w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/Helixnebulosan_20220901_500mm_280x10sek_ISO3200_2-2048x1606.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Det intressanta f\u00f6r mig som W-bloggare \u00e4r att dessa suver\u00e4na bilder f\u00e5r mig att rota efter &#8220;senaste nytt&#8221; om objekten.  Senaste nytt om det bin\u00e4ra svartah\u00e5ls-objektet X-7 i M33 kan t ex  lusl\u00e4sas<a href=\"https:\/\/arxiv.org\/pdf\/2208.07773.pdf\"> h\u00e4r<\/a>, och om Helix-nebulosans globulastronomi finns denna relativt<a href=\"https:\/\/arxiv.org\/pdf\/2111.08816.pdf\"> nya rapport.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nytt bes\u00f6kscentrum \u00f6ppnar p\u00e5 Onsala<\/h2>\n\n\n\n<p>V\u00e5ra radioastronomer gl\u00e4ds \u00f6ver att  27 september inviger Chalmers ett bes\u00f6kscentrum p\u00e5 Onsala rymdobservatorium i norra Halland.&nbsp;P\u00e5 f\u00e5 andra platser i v\u00e4rlden kan bes\u00f6kare komma i s\u00e5 n\u00e4ra kontakt med stora teleskop. T\u00e4tt intill teleskopen ska skolungdomar och allm\u00e4nhet ges nya m\u00f6jligheter att utforska b\u00e5de universum och v\u00e5r egen planet. Det nya bes\u00f6kscentrumet har ocks\u00e5 fokus p\u00e5 klimatet och det nya huset \u00e4r till stora delar byggt av \u00e5terbrukat material.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/87985da32ad9529e_800x800ar.jpg\"><img decoding=\"async\" width=\"800\" height=\"479\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/87985da32ad9529e_800x800ar.jpg\" alt=\"\" class=\"wp-image-91567\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/87985da32ad9529e_800x800ar.jpg 800w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/87985da32ad9529e_800x800ar-300x180.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2022\/09\/87985da32ad9529e_800x800ar-768x460.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>Bildk\u00e4lla: Chalmers<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hej Neptunus fr\u00e5n James Webb ST&#8230; I dag sl\u00e4pptes denna spektakul\u00e4ra bild fr\u00e5n JWST p\u00e5 Neptunus med de st\u00f6rsta m\u00e5narna och gasplanetens ringar: .. och hej sj\u00e4lv d\u00e4r ute James Webb &#8211; fr\u00e5n Malm\u00f6! Kan man f\u00e5nga JWST p\u00e5 astrofoto fr\u00e5n Malm\u00f6? Svar: jovisst ! Ordet till Hans Hilderfors: &#8211; Jag f\u00f6rs\u00f6kte ikv\u00e4ll (20.9) ta&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2022\/09\/21\/nr-74-2022\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 75 2022<\/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\/91557"}],"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=91557"}],"version-history":[{"count":11,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/91557\/revisions"}],"predecessor-version":[{"id":91576,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/91557\/revisions\/91576"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=91557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=91557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=91557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}