{"id":10798,"date":"2024-11-04T09:10:07","date_gmt":"2024-11-04T13:10:07","guid":{"rendered":"https:\/\/starlightcascade.ca\/blog\/?p=10798"},"modified":"2024-11-04T09:15:45","modified_gmt":"2024-11-04T13:15:45","slug":"jupiter-20241103-utc-and-ganymede-shadow-transit","status":"publish","type":"post","link":"https:\/\/starlightcascade.ca\/blog\/2024\/11\/jupiter-20241103-utc-and-ganymede-shadow-transit\/","title":{"rendered":"Jupiter 20241103 UTC and Ganymede shadow transit"},"content":{"rendered":"<p><a href=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/z2024-11-03-0435_0-k-l-jup.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/z2024-11-03-0435_0-k-l-jup-871x1023.gif\" alt=\"\" width=\"520\" height=\"611\" class=\"alignleft size-large wp-image-10799\" srcset=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/z2024-11-03-0435_0-k-l-jup-871x1023.gif 871w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/z2024-11-03-0435_0-k-l-jup-254x299.gif 254w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/z2024-11-03-0435_0-k-l-jup-128x150.gif 128w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/z2024-11-03-0435_0-k-l-jup-768x902.gif 768w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/a><\/p>\n<p>One of the best events of this apparition, a shadow transit of Ganymede from 20241103 02:39 UTC ending at  04:35, or 126 minutes.  I completed 34 imaging runs of 180 seconds each with a 30 second delay between each to let the computer finish the download of the last image<\/p>\n<p>The single image below is from the middle of the event, and Jupiter has risen another 15 degrees since the start.  Ganymede has made an appearance on the lower left, moving left to right.  No GRS.<\/p>\n<p><a href=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/2024-11-03-0346_2-k-l-jup_zwo_asi585mc_exposure3ms_lapl6_ap170_drizzle15p5reg1bal-gimp.png-annotated.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/2024-11-03-0346_2-k-l-jup_zwo_asi585mc_exposure3ms_lapl6_ap170_drizzle15p5reg1bal-gimp.png-annotated-871x1023.png\" alt=\"\" width=\"520\" height=\"611\" class=\"alignleft size-large wp-image-10800\" srcset=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/2024-11-03-0346_2-k-l-jup_zwo_asi585mc_exposure3ms_lapl6_ap170_drizzle15p5reg1bal-gimp.png-annotated-871x1023.png 871w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/2024-11-03-0346_2-k-l-jup_zwo_asi585mc_exposure3ms_lapl6_ap170_drizzle15p5reg1bal-gimp.png-annotated-254x299.png 254w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/2024-11-03-0346_2-k-l-jup_zwo_asi585mc_exposure3ms_lapl6_ap170_drizzle15p5reg1bal-gimp.png-annotated-128x150.png 128w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/2024-11-03-0346_2-k-l-jup_zwo_asi585mc_exposure3ms_lapl6_ap170_drizzle15p5reg1bal-gimp.png-annotated-768x902.png 768w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2024\/11\/2024-11-03-0346_2-k-l-jup_zwo_asi585mc_exposure3ms_lapl6_ap170_drizzle15p5reg1bal-gimp.png-annotated.png 1200w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/a><\/p>\n<p>So .. how much time&#8230;<br \/>\nabout 3 hours setup to teardown time<br \/>\nabout 6 hours of autostakkert, 340GB across 34 files. (batch) Best 5% of 15K frames of 3ms each<br \/>\nabout 30 minutes of registax doing wavelet processing one by one<br \/>\nabout 2 hours of GIMP processing, 34 files one by one. about 5 minutes for annotation (batch) with imagemagick<\/p>\n<p>GIMP can do batch-macro-scripting but that is another learning curve.  Most of the time I do not have 34 files to process.. only 5 to 10 or so.  Much better suited to manualy processing.<br \/>\nno dark frames&#8230; havent figured that part out yet.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the best events of this apparition, a shadow transit of Ganymede from 20241103 02:39 UTC ending at 04:35, or 126 minutes. I completed 34 imaging runs of 180 seconds each with a 30 second delay between each to let the computer finish the download of the last image The single image below is [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-10798","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"_links":{"self":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/10798","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=10798"}],"version-history":[{"count":2,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/10798\/revisions"}],"predecessor-version":[{"id":10802,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/10798\/revisions\/10802"}],"wp:attachment":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/media?parent=10798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/categories?post=10798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/tags?post=10798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}