{"id":3283,"date":"2012-08-07T09:08:49","date_gmt":"2012-08-07T13:08:49","guid":{"rendered":"http:\/\/starlightcascade.ca\/blog\/?p=3283"},"modified":"2012-08-23T07:56:37","modified_gmt":"2012-08-23T11:56:37","slug":"more-venting-for-allsky-camera1","status":"publish","type":"post","link":"https:\/\/starlightcascade.ca\/blog\/2012\/08\/more-venting-for-allsky-camera1\/","title":{"rendered":"More venting for allsky camera1"},"content":{"rendered":"<p>It has been a hot summer, often not cooling down at night at all, for many weeks now (July, August 2012).  We&#8217;ve noticed that the peltier cooled CCD camera inside <a href=\"\/allsky1\/\">Allsky1<\/a> has rarely been getting down below 0deg C and as a result, is showing a lot more noise and less contrast than normal in its 90second images at night.<br \/>\nThe image on the left is the existing vent with mesh inside (to stop the &#038;#^$ wasps).  The image on the right is the new 4&#8243; vent (also with mesh), in the hopes of getting better airflow through the system and getting rid of more heat.<\/p>\n<table>\n<tr>\n<td><a href=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2439.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2439-299x273.jpg\" alt=\"\" title=\"Resize of IMG_2439\" width=\"299\" height=\"273\" class=\"aligncenter size-medium wp-image-3284\" srcset=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2439-299x273.jpg 299w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2439-150x137.jpg 150w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2439.jpg 609w\" sizes=\"auto, (max-width: 299px) 100vw, 299px\" \/><\/a><\/p>\n<td><a href=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2440.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2440-299x247.jpg\" alt=\"\" title=\"Resize of IMG_2440\" width=\"299\" height=\"247\" class=\"aligncenter size-medium wp-image-3285\" srcset=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2440-299x247.jpg 299w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2440-150x124.jpg 150w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/08\/Resize-of-IMG_2440.jpg 566w\" sizes=\"auto, (max-width: 299px) 100vw, 299px\" \/><\/a><br \/>\n<\/table>\n<p>Offhand it looks like it worked.  The last image of the nights run shows -8degC.  Then again it did dip down to 13 degC last night.<br \/>\nIt also look like it could use another coat of white paint on the wood housing.  It helps keep the daytime heating down a bit.<br \/>\nThe internal mask slipped a bit and the noise has returned.<br \/>\nThis is the midnight image:<br \/>\n<a href=\"http:\/\/starlightcascade.ca\/allsky1\/midnights\/sco-20120807_0002.jpg.png\"><img decoding=\"async\" src=\"http:\/\/starlightcascade.ca\/allsky1\/midnights\/sco-20120807_0002.jpg.png\" with=200><\/A><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It has been a hot summer, often not cooling down at night at all, for many weeks now (July, August 2012). We&#8217;ve noticed that the peltier cooled CCD camera inside Allsky1 has rarely been getting down below 0deg C and as a result, is showing a lot more noise and less contrast than normal in [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-3283","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"_links":{"self":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/3283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/comments?post=3283"}],"version-history":[{"count":0,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/3283\/revisions"}],"wp:attachment":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/media?parent=3283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/categories?post=3283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/tags?post=3283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}