{"id":14154,"date":"2021-08-13T08:11:11","date_gmt":"2021-08-13T12:11:11","guid":{"rendered":"https:\/\/blogs.mathworks.com\/pick\/?p=14154"},"modified":"2021-08-13T08:11:11","modified_gmt":"2021-08-13T12:11:11","slug":"skychart","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/pick\/2021\/08\/13\/skychart\/","title":{"rendered":"skychart"},"content":{"rendered":"<a href=\"https:\/\/www.mathworks.com\/matlabcentral\/fileexchange\/authors\/76890\">Will<\/a>'s pick this week is <a href=\"https:\/\/www.mathworks.com\/matlabcentral\/fileexchange\/66036-skychart\">skychart<\/a> by <a href=\"https:\/\/www.mathworks.com\/matlabcentral\/profile\/authors\/1823774\">Emmanuel Farhi<\/a>.\r\n<br><br>\r\nThis submission leverages <a href=\"https:\/\/www.mathworks.com\/products\/matlab\/object-oriented-programming.html\">object-oriented programming<\/a> to plot celestial objects visible to a ground-based observer. Create an object, define your longitude and latitude, define your time of observation, and plot away. This is what I got for Washington, DC midday. I cross-referenced the output with an app on my phone and found that skychart is quite accurate.\r\n<br><br>\r\n<a href=\"https:\/\/blogs.mathworks.com\/pick\/files\/skychart_full.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"625\" height=\"613\" src=\"https:\/\/blogs.mathworks.com\/pick\/files\/skychart_full.jpg\" alt=\"\" class=\"aligncenter size-full wp-image-14163\" \/><\/a>\r\n<br><br>\r\nWhat I find especially novel is that this tool doesn't just show you celestial bodies visible to the naked eye. Instead, you get over 50,000 objects, which you can begin to appreciate if you zoom the figure:\r\n<br><br>\r\n<a href=\"https:\/\/blogs.mathworks.com\/pick\/files\/skychart_zoom.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"472\" height=\"567\" src=\"https:\/\/blogs.mathworks.com\/pick\/files\/skychart_zoom.jpg\" alt=\"\" class=\"aligncenter size-full wp-image-14166\" \/><\/a>\r\n<br><br>\r\nThis is the second pick in a row that I've selected that was created by someone named Emmanuel. Are there any more of you out there with ingenious contributions? Can we go for the hat trick?\r\n<br><br>\r\nLet us know what you think <a href=\"https:\/\/blogs.mathworks.com\/pick\/?p=14154#respond\">here<\/a> or leave a <a href=\"https:\/\/www.mathworks.com\/matlabcentral\/fileexchange\/66036-skychart#comments\">comment<\/a> for Emmanuel.","protected":false},"excerpt":{"rendered":"<div class=\"overview-image\"><img decoding=\"async\"  class=\"img-responsive\" src=\"https:\/\/blogs.mathworks.com\/pick\/files\/skychart_full.jpg\" onError=\"this.style.display ='none';\" \/><\/div><p>Will's pick this week is skychart by Emmanuel Farhi.\r\n\r\nThis submission leverages object-oriented programming to plot celestial objects visible to a ground-based observer. Create an object, define... <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/pick\/2021\/08\/13\/skychart\/\">read more >><\/a><\/p>","protected":false},"author":45,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/posts\/14154"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/comments?post=14154"}],"version-history":[{"count":8,"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/posts\/14154\/revisions"}],"predecessor-version":[{"id":14428,"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/posts\/14154\/revisions\/14428"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/media?parent=14154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/categories?post=14154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/pick\/wp-json\/wp\/v2\/tags?post=14154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}