– H\u00e4r kommer en bild p\u00e5 Mars fr\u00e5n g\u00e5rdagen (6.9), mitt f\u00f6rsta seri\u00f6sa f\u00f6rs\u00f6k till planetfoto. Mars n\u00e4rmar sig opposition och kan ses stiga upp i \u00f6ster p\u00e5 sena kv\u00e4llen. Trots att den st\u00e5r gynnsamt \u00e4r dess skenbara diameter endast 19,8\u201d f\u00f6r n\u00e4rvarande.<\/p>\n\n\n
– Via datorn analyserades sedan dessa och de 300 b\u00e4sta bilderna valdes ut f\u00f6r vidare bearbetning. Kameran var en CMOS med f\u00e4rgsensor.<\/p>\n\n\n\n BL\u00c5S upp Mars-bilden p\u00e5 din datorsk\u00e4rm eller app.<\/p>\n\n\n\n PS.<\/strong><\/p>\n\n\n\n Mer Mars: Vi kommer p\u00e5 den virtuella klubbkv\u00e4llen 9.9 att diskutera Ingeborg Bruns<\/strong> Marsglober, varav en sk\u00e4nktes till Lunds Observatorium,\u00a0 en raritet fr\u00e5n b\u00f6rjan av 1900-talet som stals 2015.<\/p>\n","protected":false},"excerpt":{"rendered":" Mars p\u00e5 ing\u00e5ng \u00c4nnu en g\u00e5ng tack till Hans Hilderfors, som b\u00f6rjar bli varm i kl\u00e4derna som astrofotograf i den begynnande h\u00f6stkylan. – H\u00e4r kommer en bild p\u00e5 Mars fr\u00e5n g\u00e5rdagen (6.9), mitt f\u00f6rsta seri\u00f6sa f\u00f6rs\u00f6k till planetfoto. Mars n\u00e4rmar sig opposition och kan ses stiga upp i \u00f6ster p\u00e5 sena kv\u00e4llen. Trots att den… L\u00e4s mer »Nr 81 2020<\/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\/85536"}],"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=85536"}],"version-history":[{"count":5,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/85536\/revisions"}],"predecessor-version":[{"id":85543,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/85536\/revisions\/85543"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=85536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=85536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=85536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"\"](\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/09\/Mars-2020-09-06-1-300x225.jpg\")
<\/a><\/p>\n\n\n
– Bilden \u00e4r tagen genom min \u201dstora\u201d refraktor som har en 16 cm objektiv\u00f6ppning. Barlow p\u00e5 x 3,3 anv\u00e4ndes f\u00f6r att f\u00e5 upp fokall\u00e4ngden till f\/23 = 3680 mm. Exponeringstiden var 14 ms och jag tog 1500 bilder inom loppet av en dryg minut f\u00f6r att \u00e5stadkomma \u201dlucky imaging\u201d. <\/p>\n\n\n\n