{"id":2199,"date":"2017-09-28T08:59:55","date_gmt":"2017-09-28T15:59:55","guid":{"rendered":"http:\/\/troyjohnstone.com\/blog\/?p=2199"},"modified":"2017-10-09T19:18:54","modified_gmt":"2017-10-10T02:18:54","slug":"iss-flyover","status":"publish","type":"post","link":"http:\/\/troyjohnstone.com\/blog\/2017\/09\/iss-flyover\/","title":{"rendered":"Night Sky Photography &#8211; ISS Flyover"},"content":{"rendered":"<p>Not my usual kind of nature photography, but I do enjoy studying the night sky. On a whim I recently decided to see if I could catch the International Space Station passing between the Moon and us, and sure enough, less than a week later it was predicted to transit the Moon, and I could see it from my own back yard! So, on September 27th, I set up my small telescope and camera to try and photograph the ISS flyby.<\/p>\n<p>This is a composite image of 12 frames I captured of the ISS transiting the Moon.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-2201 size-large\" src=\"http:\/\/troyjohnstone.com\/blog\/wordpress\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-1024x696.jpg\" alt=\"\" width=\"1024\" height=\"696\" srcset=\"http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-1024x696.jpg 1024w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-600x408.jpg 600w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-768x522.jpg 768w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-750x510.jpg 750w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-400x272.jpg 400w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-430x292.jpg 430w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-150x102.jpg 150w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit-100x68.jpg 100w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02534-Edit.jpg 1813w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>This enlargement of one image shows the ISS passing between the Moon and us. My kids said it looks like a TIE Fighter from Star Wars.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2202\" src=\"http:\/\/troyjohnstone.com\/blog\/wordpress\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-600x408.jpg\" alt=\"\" width=\"600\" height=\"408\" srcset=\"http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-600x408.jpg 600w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-768x522.jpg 768w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-750x510.jpg 750w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-400x272.jpg 400w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-430x292.jpg 430w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-150x102.jpg 150w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3-100x68.jpg 100w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20170927-DSC02541-edit-3.jpg 1000w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><!--more--><\/p>\n<p>In this picture you can see the solar panels on each end of the station, and the radiators are probably what is the brightest section in the middle.<\/p>\n<p>The ISS flew over at about 401 km above the Earth and travelling at a ground speed of 7.7 km\/sec. My Starry Night Enthusiast program estimates that it was 1164 km away when I took this image. It is amazing you can see any detail at this distance. There are currently 6 people flying around in this high tech space can!<\/p>\n<p>My equipment was a 120mm SkyWatcher, a Nikon 1.7x teleconverter, and a Sony A7Sii.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2216\" src=\"http:\/\/troyjohnstone.com\/blog\/wordpress\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-600x399.jpg\" alt=\"\" width=\"600\" height=\"399\" srcset=\"http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-600x399.jpg 600w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-768x511.jpg 768w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-1024x681.jpg 1024w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-750x499.jpg 750w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-400x266.jpg 400w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-430x286.jpg 430w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-150x100.jpg 150w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273-100x67.jpg 100w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/20171009-TWJ_7273.jpg 1200w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>ISO 2500<br \/>\n1\/1500 sec<br \/>\n600mm x 1.7 = 1020 mm<br \/>\nf\/5ish (can\u2019t remember what the teleconverter would make an f\/5 telescope)<\/p>\n<p>This computer generated image is what a program, Starry Night Enthusiast, predicted it would look like. The solar panels are quite large but were not reflecting sunlight at us at the time.\u00a0 This simulation does not show the radiators deployed near the centre, which is probably the bulk of the bright area in my images.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2200\" src=\"http:\/\/troyjohnstone.com\/blog\/wordpress\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-600x357.png\" alt=\"\" width=\"600\" height=\"357\" srcset=\"http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-600x357.png 600w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-768x458.png 768w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-1024x610.png 1024w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-750x447.png 750w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-400x238.png 400w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-430x256.png 430w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-150x89.png 150w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night-100x60.png 100w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/ISS-flyover-Starry-Night.png 1910w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<figure style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"size-medium\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/0\/04\/International_Space_Station_after_undocking_of_STS-132.jpg\/1024px-International_Space_Station_after_undocking_of_STS-132.jpg\" width=\"1024\" height=\"653\" \/><figcaption class=\"wp-caption-text\">https:\/\/en.wikipedia.org\/wiki\/International_Space_Station<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>I used <a href=\"https:\/\/www.calsky.com\/cs.cgi\/Satellites\/16?obs=81938395121051\">Cal-Sky<\/a> to do the search, and also the <a href=\"http:\/\/heavens-above.com\/\">Heavens Above website and app<\/a>.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2203\" src=\"http:\/\/troyjohnstone.com\/blog\/wordpress\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511-338x600.png\" alt=\"\" width=\"338\" height=\"600\" srcset=\"http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511-338x600.png 338w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511-576x1024.png 576w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511-400x711.png 400w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511-430x764.png 430w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511-150x267.png 150w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511-100x178.png 100w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083511.png 720w\" sizes=\"(max-width: 338px) 100vw, 338px\" \/> <img loading=\"lazy\" class=\"alignnone size-medium wp-image-2204\" src=\"http:\/\/troyjohnstone.com\/blog\/wordpress\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522-338x600.png\" alt=\"\" width=\"338\" height=\"600\" srcset=\"http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522-338x600.png 338w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522-576x1024.png 576w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522-400x711.png 400w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522-430x764.png 430w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522-150x267.png 150w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522-100x178.png 100w, http:\/\/troyjohnstone.com\/blog\/wp-content\/uploads\/2017\/09\/Screenshot_20170928-083522.png 720w\" sizes=\"(max-width: 338px) 100vw, 338px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Not my usual kind of nature photography, but I do enjoy studying the night sky. On a whim I recently decided to see if I could catch the International Space [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[9],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p5ep3x-zt","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/posts\/2199"}],"collection":[{"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/comments?post=2199"}],"version-history":[{"count":10,"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/posts\/2199\/revisions"}],"predecessor-version":[{"id":2217,"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/posts\/2199\/revisions\/2217"}],"wp:attachment":[{"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/media?parent=2199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/categories?post=2199"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/troyjohnstone.com\/blog\/wp-json\/wp\/v2\/tags?post=2199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}