{"id":424,"date":"2015-01-15T23:10:28","date_gmt":"2015-01-16T06:10:28","guid":{"rendered":"http:\/\/philarmitage.net\/blog\/?p=424"},"modified":"2015-01-15T23:10:28","modified_gmt":"2015-01-16T06:10:28","slug":"testing-the-startracker","status":"publish","type":"post","link":"https:\/\/philarmitage.net\/blog\/?p=424","title":{"rendered":"Testing the startracker"},"content":{"rendered":"<p>After shooting the comet last night, I did a quick test of the iOptron startracker by pointing at Orion and taking both tracked and untracked frames at 70mm focal length. The exposure was 30s at f\/4, ISO 3200.<\/p>\n<p><a href=\"https:\/\/philarmitage.net\/blog\/wp-content\/uploads\/2015\/01\/orion_montage.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/philarmitage.net\/blog\/wp-content\/uploads\/2015\/01\/orion_montage-1024x1024.jpg\" alt=\"Orion\" width=\"640\" height=\"640\" class=\"aligncenter size-large wp-image-425\" srcset=\"https:\/\/philarmitage.net\/blog\/wp-content\/uploads\/2015\/01\/orion_montage-1024x1024.jpg 1024w, https:\/\/philarmitage.net\/blog\/wp-content\/uploads\/2015\/01\/orion_montage-150x150.jpg 150w, https:\/\/philarmitage.net\/blog\/wp-content\/uploads\/2015\/01\/orion_montage-300x300.jpg 300w, https:\/\/philarmitage.net\/blog\/wp-content\/uploads\/2015\/01\/orion_montage.jpg 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>As was already clear from the comet image, it does what it says on the box and tracks the stars! I didn&#8217;t spend very long getting an accurate alignment to the pole (in the dark and cold my motivation for fiddly tasks is reduced), but out to 200mm focal length and 1 minute exposures it seems rough alignment is good enough. The lower panels show a close-up of the Orion Nebula &#8211; it&#8217;s not the Hubble Space Telescope but I&#8217;m actually pretty amazed at the amount of color you can see with such a quick effort.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After shooting the comet last night, I did a quick test of the iOptron startracker by pointing at Orion and taking both tracked and untracked frames at 70mm focal length. The exposure was 30s at f\/4, ISO 3200. As was &hellip; <a class=\"more-link\" href=\"https:\/\/philarmitage.net\/blog\/?p=424\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,6,5],"tags":[],"class_list":["post-424","post","type-post","status-publish","format-standard","hentry","category-astrophotography","category-experiments","category-night"],"_links":{"self":[{"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=424"}],"version-history":[{"count":1,"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions"}],"predecessor-version":[{"id":426,"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions\/426"}],"wp:attachment":[{"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/philarmitage.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}