{"id":6089,"date":"2014-12-24T10:41:54","date_gmt":"2014-12-24T14:41:54","guid":{"rendered":"http:\/\/starlightcascade.ca\/blog\/?p=6089"},"modified":"2015-01-21T16:11:11","modified_gmt":"2015-01-21T20:11:11","slug":"allsky1-reno","status":"publish","type":"post","link":"https:\/\/starlightcascade.ca\/blog\/2014\/12\/allsky1-reno\/","title":{"rendered":"Allsky1 Reno"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-92\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2008\/10\/20080810-19.jpg\" alt=\"20080810-19\" width=\"294\" height=\"221\" \/>This is the <a href=\"\/allsky1\/\">Allsky1 Camera System<\/a> running at SCGO since 2006 December (now 8 years old!) \u00a0It is an ST237A SBIG<\/p>\n<p>camera with an integrated wide angle lens mounted inside a wooden housing with a 14&#8243; dome. \u00a0Heaters had to be installed inside the dome to keep condensation from forming when the air cooled down at night. \u00a0We use wire wound resistors at about 18 watts from a 24vdc source. \u00a0In addition a circulation fan (a small 12vdc fan from a computer power supply) had to be installed as well.<\/p>\n<p>Over time we have had some issues:<\/p>\n<p>The 12vdc fans fail quite frequently. \u00a0Bugs get inside the dome and leave &#8220;presents&#8221; on the lens. \u00a018 watts is a lot of heat and the wood has scarred a bit. \u00a0Birds would often rest on top of it and leave presents. \u00a0Water sometimes gets inside. \u00a0So we decided to do a renovation in the next few days. \u00a0The internal flat black mask that sits over the lens to block out local light pollution often moves around (especially in high winds when the entire post moves a bit)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-6090\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2014\/12\/st237a-250x299.jpg\" alt=\"st237a\" width=\"250\" height=\"299\" srcset=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2014\/12\/st237a-250x299.jpg 250w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2014\/12\/st237a-125x150.jpg 125w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2014\/12\/st237a.jpg 443w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/>The housing and 14&#8243; dome will be tossed, the camera will be mounted directly to the post, a smaller resistor will be mounted on top of the camera but out of the line of sight of the lens, a variable power source 4-12vdc will be used to power it, giving it maybe 1-4 watts of heating ability, and a smaller 4&#8243; dome will be attached on top of the camera assembly.<\/p>\n<p>So, we have a smaller footprint for birds not to sit on, a smaller area at the top especially, a much smaller volume of air to heat, much less wattage going into heating, no fans needed, and a newer better optical quality dome (after 8 + years, the dome is a bit grungy). \u00a0If need be the heating resistor can be placed to block local neighbours lights.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is the Allsky1 Camera System running at SCGO since 2006 December (now 8 years old!) \u00a0It is an ST237A SBIG camera with an integrated wide angle lens mounted inside a wooden housing with a 14&#8243; dome. \u00a0Heaters had to be installed inside the dome to keep condensation from forming when the air cooled down [&hellip;]<\/p>\n","protected":false},"author":494,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-6089","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"_links":{"self":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/6089","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\/494"}],"replies":[{"embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/comments?post=6089"}],"version-history":[{"count":0,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/6089\/revisions"}],"wp:attachment":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/media?parent=6089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/categories?post=6089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/tags?post=6089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}