{"id":7412,"date":"2016-12-21T11:37:39","date_gmt":"2016-12-21T15:37:39","guid":{"rendered":"http:\/\/starlightcascade.ca\/blog\/?p=7412"},"modified":"2016-12-21T11:40:31","modified_gmt":"2016-12-21T15:40:31","slug":"jupiter-20161221","status":"publish","type":"post","link":"https:\/\/starlightcascade.ca\/blog\/2016\/12\/jupiter-20161221\/","title":{"rendered":"Jupiter 20161221"},"content":{"rendered":"<p><a href=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2016\/12\/jupiter_20161221_102956_Exposure47-25r-33alt-ganymede.png-annotated.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2016\/12\/jupiter_20161221_102956_Exposure47-25r-33alt-ganymede.png-annotated.png\" alt=\"\" width=\"400\" height=\"426\" class=\"alignright size-full wp-image-7413\" srcset=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2016\/12\/jupiter_20161221_102956_Exposure47-25r-33alt-ganymede.png-annotated.png 400w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2016\/12\/jupiter_20161221_102956_Exposure47-25r-33alt-ganymede.png-annotated-141x150.png 141w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2016\/12\/jupiter_20161221_102956_Exposure47-25r-33alt-ganymede.png-annotated-281x299.png 281w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><br \/>\nPredicted to be clear this morning, got up at 05:00 EST and it was cloudy with a few holes.  Went outside anyway and it turned out to be the best opportunity to image Jupiter in over 2 weeks.<\/p>\n<p>Weather: -3C  Winds 5-15kph from SW<br \/>\nSeeing: poor  Transparency: average<br \/>\nLast quarter moon within 25 deg of Jupiter<\/p>\n<p>The observatory roof had sagged in the snow, ice and icerain and the top actually touched the telescope OTA on the way open.  Ug.<br \/>\nNote to self, the next Observatory will have more clearance and steeper pitch angle on the roof.<\/p>\n<p>The Meade LX200GPS showed a display of garbage on startup.  A power cycle brought it back up normally.<br \/>\nThe windows laptop restarted and Handyavi was able to connect to the scope to allow for manual control of slewing and focus.<br \/>\nPointing was off a couple of degrees, probably due to the roof strike.  Centered and recalibrated and it tracked not too badly.<\/p>\n<p>The moon Ganymede is just off to the lower left of Jupiter.  Sharp focus was not possible this morning due to the poor seeing.<br \/>\nThis is the best 25% of around 2500 frames, taken in 120 seconds at a 37msec exposure time each.<\/p>\n<p><a href=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2016\/12\/jupiter_20161221.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2016\/12\/jupiter_20161221.gif\" alt=\"\" width=\"400\" height=\"426\" class=\"alignleft size-full wp-image-7415\" \/><\/a><br \/>\nThis animation includes the best 10%, 25% and or 50% of the images starting at 10:28UT to 10:43UT, or 15 minutes.<br \/>\nThe vertical artefacts that show up in the middle of the animation are when Jupiter drifted off to the side of the field of view.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Predicted to be clear this morning, got up at 05:00 EST and it was cloudy with a few holes. Went outside anyway and it turned out to be the best opportunity to image Jupiter in over 2 weeks. Weather: -3C Winds 5-15kph from SW Seeing: poor Transparency: average Last quarter moon within 25 deg of [&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-7412","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"_links":{"self":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/7412","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=7412"}],"version-history":[{"count":5,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/7412\/revisions"}],"predecessor-version":[{"id":7419,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/7412\/revisions\/7419"}],"wp:attachment":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/media?parent=7412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/categories?post=7412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/tags?post=7412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}