{"id":344,"date":"2005-12-09T16:41:36","date_gmt":"2005-12-09T23:41:36","guid":{"rendered":"http:\/\/www.stardel.com\/eg\/?p=344"},"modified":"2005-12-09T16:41:36","modified_gmt":"2005-12-09T23:41:36","slug":"an-important-equation","status":"publish","type":"post","link":"https:\/\/stardel.com\/eg\/2005\/12\/an-important-equation\/","title":{"rendered":"An Important Equation"},"content":{"rendered":"<p>Elevation = <strong>sin<sup>-1<\/sup><\/strong>(<strong>sin<\/strong>(<em>lat<\/em>)*<strong>sin<\/strong>(<em>dec<\/em>)+<strong>cos<\/strong>(<em>lat<\/em>)*<strong>cos<\/strong>(<em>dec<\/em>)*<strong>cos<\/strong>(15*<em>hour<\/em>))<\/p>\n<p>where:<br \/>\n<em>lat<\/em> = latitude on earth<br \/>\n<em>dec<\/em> = declination of sun<br \/>\n<em>hour<\/em> = delta hour from noon (i.e. noon =0)<\/p>\n<p>What&#8217;s that spell?<\/p>\n<p>Elevation of the sun above the horizon!!!<\/p>\n<p>So at 10 AM on June 21st at my house, the sun would be:<br \/>\n<strong>sin<sup>-1<\/sup><\/strong>(<strong>sin<\/strong>(<em>39<\/em>)*<strong>sin<\/strong>(<em>23.5<\/em>)+<strong>cos<\/strong>(<em>39<\/em>)*<strong>cos<\/strong>(<em>23.5<\/em>)*<strong>cos<\/strong>(15*<em>2<\/em>))<br \/>\n= <strong>sin<sup>-1<\/sup><\/strong>(.629*.399+.777*.917*.866) = <strong>sin<sup>-1<\/sup><\/strong>(.868) = 60.2 degrees above the horizon<br \/>\nWow!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elevation = sin-1(sin(lat)*sin(dec)+cos(lat)*cos(dec)*cos(15*hour)) where: lat = latitude on earth dec = declination of sun hour = delta hour from noon (i.e. noon =0) What&#8217;s that spell? Elevation of the sun above the horizon!!! So at 10 AM on June 21st at my house, the sun would be: sin-1(sin(39)*sin(23.5)+cos(39)*cos(23.5)*cos(15*2)) = sin-1(.629*.399+.777*.917*.866) = sin-1(.868) = 60.2 degrees &hellip; <a href=\"https:\/\/stardel.com\/eg\/2005\/12\/an-important-equation\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">An Important Equation<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[6],"tags":[],"class_list":["post-344","post","type-post","status-publish","format-standard","hentry","category-geek-stuff"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4NpF-5y","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/posts\/344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/comments?post=344"}],"version-history":[{"count":0,"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/posts\/344\/revisions"}],"wp:attachment":[{"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/media?parent=344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/categories?post=344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stardel.com\/eg\/wp-json\/wp\/v2\/tags?post=344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}