{"id":1048,"date":"2013-01-30T20:18:19","date_gmt":"2013-01-30T18:18:19","guid":{"rendered":"http:\/\/saisa.eu\/blogs\/Guidance\/?p=1048"},"modified":"2013-01-30T20:21:17","modified_gmt":"2013-01-30T18:21:17","slug":"registax-tool-for-enhancing-an-astro-image-from-set-of-images","status":"publish","type":"post","link":"https:\/\/saisa.eu\/blogs\/Guidance\/?p=1048","title":{"rendered":"Registax, Tool for enhancing an astro image from set of images"},"content":{"rendered":"<p>It is possible to improve your sky photos by using stacking tool like <a href=\"http:\/\/www.astronomie.be\/registax\/index.html\">Registax<\/a>. The input needed is a set of repetitive photos. For Canon cameras, there exist modification called <a title=\"CHDK, Modification to enhance your camera (Canon)\" href=\"http:\/\/saisa.eu\/blogs\/Guidance\/?p=1019\">CHDK<\/a> with an intervalometer script, with which it is staightforward to take repetitive photos.<\/p>\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Lucky_Imaging\">Lucky imaging<\/a> (Wikipedia):<\/p>\n<blockquote>\n<p>Lucky imaging is one form of speckle imaging used for astronomical photography.<\/p>\n<p>With lucky imaging, those optimum exposures least affected by the atmosphere are chosen and combined into a single image by shifting and adding the short exposures, yielding much higher resolution than would be possible with a single, longer exposure which includes all the frames.<\/p>\n<\/blockquote>\n<p><strong><a href=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/registax51.png\"><img loading=\"lazy\" alt=\"registax51\" src=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/registax51-small.png\" width=\"450\" height=\"298\" \/><\/a><\/strong><\/p>\n<p><strong>Moon photos<\/strong><\/p>\n<p>The overall photo (3840*2160 pixels) with 20 times zoom looks like this:<br \/>\n<img loading=\"lazy\" alt=\"SX1-Moon\" src=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/sx1-moon.jpg\" width=\"450\" height=\"253\" \/><\/p>\n<p>Enlarging the Moon close to the pixel level (limited by blog size) reveals that on the single photo the surface is not all the way detailed, see below:<br \/>\n<img loading=\"lazy\" alt=\"SX1-Moon-pixel-level\" src=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/sx1-moon-pixel-level.png\" width=\"450\" height=\"436\" \/><\/p>\n<p>In this set, all about 20 photos were used in the registrax program to improve the picture. The result is shown below.<br \/>\n<img loading=\"lazy\" alt=\"SX1-Moon-registax\" src=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/sx1-moon-registax.png\" width=\"450\" height=\"436\" \/><\/p>\n<p>By taking more photos, optimizing the camera setting for better contrast, and selecting only the best photos for registax, then the results would be even better.<\/p>\n<p><strong>Jupiter photos<\/strong><\/p>\n<p>The overall photo of Jupiter, with 3840*2160 pixels. Jupiter is seen as bright object, but it&#8217;s moon is not really visible.<\/p>\n<p><img loading=\"lazy\" alt=\"SX1-Jupiter\" src=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/sx1-jupiter.jpg\" width=\"450\" height=\"253\" \/><\/p>\n<p>At pixel level the photo shows one of the moons (on right).<br \/>\n<strong><img loading=\"lazy\" alt=\"SX1-jupiter-pixellevel\" src=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/sx1-jupiter-pixellevel.png\" width=\"352\" height=\"292\" \/><\/strong><\/p>\n<p>After set of 25 photos processing in registax, the result is shown below. The result depends on the number of photos and on the quality of photos used in registax.<br \/>\n<img loading=\"lazy\" alt=\"SX1-Jupiter-registax\" src=\"http:\/\/saisa.eu\/blogs\/Guidance\/wp-content\/uploads\/2013\/01\/sx1-jupiter-registax.png\" width=\"353\" height=\"296\" \/><\/p>\n<p><strong>Note<\/strong><\/p>\n<p>Registax revision 6 did not work for me, but revision 5.1 is working fine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It is possible to improve your sky photos by using stacking tool like Registax. The input needed is a set of repetitive photos. For Canon cameras, there exist modification called CHDK with an intervalometer script, with which it is staightforward &hellip; <a href=\"https:\/\/saisa.eu\/blogs\/Guidance\/?p=1048\">Continue reading <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":[],"categories":[17,18,74,34,6],"tags":[],"_links":{"self":[{"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=\/wp\/v2\/posts\/1048"}],"collection":[{"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1048"}],"version-history":[{"count":1,"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=\/wp\/v2\/posts\/1048\/revisions"}],"predecessor-version":[{"id":1049,"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=\/wp\/v2\/posts\/1048\/revisions\/1049"}],"wp:attachment":[{"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saisa.eu\/blogs\/Guidance\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}