{"id":2224,"date":"2012-02-12T01:00:28","date_gmt":"2012-02-12T11:00:28","guid":{"rendered":"http:\/\/darkerview.com\/wordpress\/?p=2224"},"modified":"2012-02-04T09:59:10","modified_gmt":"2012-02-04T19:59:10","slug":"postcard-from-the-summit-daytime-shutters","status":"publish","type":"post","link":"https:\/\/darkerview.com\/wordpress\/?p=2224","title":{"rendered":"Postcard from the Summit &#8211; Daytime Shutters"},"content":{"rendered":"<p>Normally we do not open the shutters during the day.  As any kid who has used a magnifying glass in the sun knows, direct sunlight and optics are a powerful combination.  The amount of sunlight a 10 meter mirror could gather would result in something a bit more powerful than a child&#8217;s toy.<\/p>\n<p>Occasionally it is necessary to do maintenance on the shutters, in the process opening the shutters during the day.  It is a careful operation, turning the dome away from the Sun and positioning the telescope away from the opening.  Still, it is an odd situation, daylight streaming into the dome, a place normally only lit by starlight or the dome florescents.  Then there is the view&#8230;<\/p>\n<figure id=\"attachment_2190\" aria-describedby=\"caption-attachment-2190\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/darkerview.com\/wordpress\/wp-content\/uploads\/2012\/02\/CE40-18-12026-DC.jpg\" alt=\"Daytime Shutters\" title=\"Daytime Shutters\" width=\"600\" height=\"900\" class=\"size-full wp-image-2190\" srcset=\"https:\/\/darkerview.com\/wordpress\/wp-content\/uploads\/2012\/02\/CE40-18-12026-DC.jpg 600w, https:\/\/darkerview.com\/wordpress\/wp-content\/uploads\/2012\/02\/CE40-18-12026-DC-400x600.jpg 400w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><figcaption id=\"caption-attachment-2190\" class=\"wp-caption-text\">Looking out at North Kohala with the Keck 1 Shutters open during the day<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Normally we do not open the shutters during the day. As any kid who has used a magnifying glass in the sun knows, direct sunlight and optics are a powerful combination. The amount of sunlight a 10 meter mirror could gather would result in something a bit more powerful than a child&#8217;s toy. Occasionally it &hellip; <a href=\"https:\/\/darkerview.com\/wordpress\/?p=2224\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Postcard from the Summit &#8211; Daytime Shutters&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[175,50,176],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2224"}],"collection":[{"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2224"}],"version-history":[{"count":0,"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2224\/revisions"}],"wp:attachment":[{"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/darkerview.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}