{"id":252,"date":"2016-02-21T11:36:24","date_gmt":"2016-02-21T17:36:24","guid":{"rendered":"http:\/\/13thstone.com\/blog\/?p=252"},"modified":"2016-02-21T11:36:24","modified_gmt":"2016-02-21T17:36:24","slug":"synthetic-sho-from-bicolor","status":"publish","type":"post","link":"https:\/\/13thstone.com\/blog\/?p=252","title":{"rendered":"Synthetic SHO from bicolor"},"content":{"rendered":"<p><span style=\"color: #993300;\">I have a long way to go when it comes to PixelMath. Thankfully, helpful folks like David Ault (Cloudy Nights) have provided some great examples for me to reverse engineer and try to understand. Here is my second attempt at processing the original Rosette subs into something similar to a bicolor SHO palette. This was accomplished by generating a synthetic green channel with the following PixelMath:<\/span><\/p>\n<p><span style=\"color: #993300;\">0.5*(0.5*min(Ha,OIII)+0.5*max(Ha,OIII))+0.3*Ha+0.2*OIII<\/span><\/p>\n<figure id=\"attachment_253\" aria-describedby=\"caption-attachment-253\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a style=\"color: #993300;\" href=\"http:\/\/13thstone.com\/blog\/wp-content\/uploads\/2016\/02\/attempted_shov2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-253\" src=\"http:\/\/13thstone.com\/blog\/wp-content\/uploads\/2016\/02\/attempted_shov2-300x248.jpg\" alt=\"Rosette Nebula\" width=\"300\" height=\"248\" srcset=\"https:\/\/13thstone.com\/blog\/wp-content\/uploads\/2016\/02\/attempted_shov2-300x248.jpg 300w, https:\/\/13thstone.com\/blog\/wp-content\/uploads\/2016\/02\/attempted_shov2.jpg 1000w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-253\" class=\"wp-caption-text\"><\/span> <span style=\"color: #993300;\">Rosette Nebula<\/span><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I have a long way to go when it comes to PixelMath. Thankfully, helpful folks like David Ault (Cloudy Nights) have provided some great examples for me to reverse engineer and try to understand. Here is my second attempt at processing the original Rosette subs into something similar to a bicolor SHO palette. This was &hellip; <a href=\"https:\/\/13thstone.com\/blog\/?p=252\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Synthetic SHO from bicolor<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-252","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4P0Vj-44","_links":{"self":[{"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=252"}],"version-history":[{"count":1,"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/252\/revisions"}],"predecessor-version":[{"id":254,"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/252\/revisions\/254"}],"wp:attachment":[{"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/13thstone.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}