{"id":120,"date":"2012-11-22T19:33:22","date_gmt":"2012-11-22T19:33:22","guid":{"rendered":"http:\/\/www.masdingastronomy.com\/?p=120"},"modified":"2012-11-27T18:56:51","modified_gmt":"2012-11-27T18:56:51","slug":"jupiters-outer-moons","status":"publish","type":"post","link":"http:\/\/www.masdingastronomy.com\/?p=120","title":{"rendered":"Jupiter&#8217;s outer moons"},"content":{"rendered":"<p>Jupiter&#8217;s 4 major satellites Io, Europa,\u00a0Ganymede\u00a0and Callisto are easy to see even with\u00a0binoculars. After that it gets tricky, the next\u00a0brightest\u00a0is Amalthea at magnitude 14.1 which is already beyond what I can see with my telescope and it&#8217;s also very close to Jupiter. On 21\/11\/12 I imaged the next 2 which are Himalia (J6, \u00a0magnitude 14.9) and Elara (J7, magnitude \u00a0 \u00a016.6). I also tried Pasiphae and got it but the scope had dewed up so another image is needed.<\/p>\n<figure id=\"attachment_121\" aria-describedby=\"caption-attachment-121\" style=\"width: 150px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/Himalia20121122.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-121\" title=\"Himalia20121122\" src=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/Himalia20121122-150x150.jpg\" alt=\"Himalia\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-121\" class=\"wp-caption-text\">Jupiter&#8217;s moon Himalia<\/figcaption><\/figure>\n<p>Compare this with a map from Guide 9 (a superb program). The map goes to about magnitude 17<\/p>\n<figure id=\"attachment_122\" aria-describedby=\"caption-attachment-122\" style=\"width: 150px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/HimaliaMap.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-122\" title=\"HimaliaMap\" src=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/HimaliaMap-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-122\" class=\"wp-caption-text\">Guide 9 map for Himalia<\/figcaption><\/figure>\n<p>Also Elara taken at f3.3 with LX200 and HX516<\/p>\n<p><a href=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/Elara20121121.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-125\" title=\"Elara20121121\" src=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/Elara20121121-150x150.jpg\" alt=\"Elara, Jupiter \" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p>Finally Pasiphae J8 which was magnitude 17.0 when I took this photo. Pasiphae is about 20km wide and 624 million km from Earth. If that seems a long way then the galaxy PGC15841 is 220 million light years away,\u00a0which\u00a0according to Google is 2000 million, million, million km. Looks like\u00a0magnitude\u00a017.0 is as low I can go.<\/p>\n<figure id=\"attachment_128\" aria-describedby=\"caption-attachment-128\" style=\"width: 150px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/PasiphaMap20121123_2200.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-128\" title=\"PasiphaMap20121123_2200\" src=\"http:\/\/www.masdingastronomy.com\/wp-content\/uploads\/2012\/11\/PasiphaMap20121123_2200-150x150.jpg\" alt=\"Pasiphae, J8\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-128\" class=\"wp-caption-text\">Pasiphae 2012\/11\/23<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jupiter&#8217;s 4 major satellites Io, Europa,\u00a0Ganymede\u00a0and Callisto are easy to see even with\u00a0binoculars. After that it gets tricky, the next\u00a0brightest\u00a0is Amalthea at magnitude 14.1 which is already beyond what I can see with my telescope and it&#8217;s also very close to Jupiter. On 21\/11\/12 I imaged the next 2 which are Himalia (J6, \u00a0magnitude 14.9) &hellip; <a href=\"http:\/\/www.masdingastronomy.com\/?p=120\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Jupiter&#8217;s outer moons&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-120","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=\/wp\/v2\/posts\/120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=120"}],"version-history":[{"count":5,"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=\/wp\/v2\/posts\/120\/revisions"}],"predecessor-version":[{"id":124,"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=\/wp\/v2\/posts\/120\/revisions\/124"}],"wp:attachment":[{"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=120"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.masdingastronomy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}