{"id":135,"date":"2013-06-03T08:08:25","date_gmt":"2013-06-03T08:08:25","guid":{"rendered":"http:\/\/www.cantabsoftware.co.uk\/astrodb\/?p=135"},"modified":"2013-06-03T08:21:06","modified_gmt":"2013-06-03T08:21:06","slug":"m101","status":"publish","type":"post","link":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/?p=135","title":{"rendered":"M101"},"content":{"rendered":"<p>Having visited Astrofest I spoke to my good friends at Orion Optics who kindly offered to re-silver and service my VX14 as part of a purchase of an Advanced Astrograph 12 (AG12). The AG12 has a carbon fibre tube and a corrected field flattener based on the Wynne Corrector giving a very flat field view. Coupled with my QSI 683 I have taken the opportunity to photograph M101, a spiral galaxy about 21 million light years away in the constellation of Ursa Major.<\/p>\n<p><a href=\"http:\/\/www.cantabsoftware.co.uk\/astrodb\/wp-content\/uploads\/2013\/06\/M101-LRGBFinal-FlattenedAndFiltered1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-143\" title=\"M101\" src=\"http:\/\/www.cantabsoftware.co.uk\/astrodb\/wp-content\/uploads\/2013\/06\/M101-LRGBFinal-FlattenedAndFiltered1.jpg\" alt=\"M101\" width=\"1500\" height=\"1055\" srcset=\"https:\/\/www.cantabsoftware.co.uk\/astrodb\/wp-content\/uploads\/2013\/06\/M101-LRGBFinal-FlattenedAndFiltered1.jpg 1500w, https:\/\/www.cantabsoftware.co.uk\/astrodb\/wp-content\/uploads\/2013\/06\/M101-LRGBFinal-FlattenedAndFiltered1-300x211.jpg 300w, https:\/\/www.cantabsoftware.co.uk\/astrodb\/wp-content\/uploads\/2013\/06\/M101-LRGBFinal-FlattenedAndFiltered1-1024x720.jpg 1024w, https:\/\/www.cantabsoftware.co.uk\/astrodb\/wp-content\/uploads\/2013\/06\/M101-LRGBFinal-FlattenedAndFiltered1-426x300.jpg 426w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/a><\/p>\n<p>The image above consists of 10 luminance subs at 960s and 1&#215;1 binning combined with 5 red subs at only 60s and 2&#215;2 binning and the same for green and blue. Bias, darks and flats were used to calibrate the subframes in Maxim DL (software that I would highly recommend). The final LRGB masters where then processed in photoshop using a high pass filter and then finally combined into the colour image.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Having visited Astrofest I spoke to my good friends at Orion Optics who kindly offered to re-silver and service my VX14 as part of a purchase of an Advanced Astrograph 12 (AG12). The AG12 has a carbon fibre tube and &hellip; <a href=\"https:\/\/www.cantabsoftware.co.uk\/astrodb\/?p=135\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,1],"tags":[],"class_list":["post-135","post","type-post","status-publish","format-standard","hentry","category-astrophotos","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=\/wp\/v2\/posts\/135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135"}],"version-history":[{"count":6,"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=\/wp\/v2\/posts\/135\/revisions"}],"predecessor-version":[{"id":141,"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=\/wp\/v2\/posts\/135\/revisions\/141"}],"wp:attachment":[{"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cantabsoftware.co.uk\/astrodb\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}