{"id":858,"date":"2017-11-17T10:29:56","date_gmt":"2017-11-17T10:29:56","guid":{"rendered":"http:\/\/www.star-gazing.co.uk\/WebPage\/?p=858"},"modified":"2017-11-22T15:24:58","modified_gmt":"2017-11-22T15:24:58","slug":"rare-deep-sky-imaging-session-16th-november-2017","status":"publish","type":"post","link":"https:\/\/www.star-gazing.co.uk\/WebPage\/rare-deep-sky-imaging-session-16th-november-2017\/","title":{"rendered":"A Rare Deep Sky Imaging Session. 16th November 2017"},"content":{"rendered":"<p>On the way home from work a strange sight beheld me. Looking towards the north-east, it looked like the shutters were being rolled back.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-859\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/ShuttersOpen-1024x768.jpg\" alt=\"\" width=\"447\" height=\"335\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/ShuttersOpen-1024x768.jpg 1024w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/ShuttersOpen-600x450.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/ShuttersOpen-300x225.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/ShuttersOpen-768x576.jpg 768w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/ShuttersOpen.jpg 1279w\" sizes=\"auto, (max-width: 447px) 100vw, 447px\" \/><\/p>\n<p>A clear night, with no Moon looked to be promised.<br \/>\nIt&#8217;s been quite a while since I did some serious deep-sky imaging (Good grief, was it really the 20th of January!).<br \/>\nAs I didn&#8217;t have work the next day, I decided I just had to get out and give it a go.<\/p>\n<p>So early evening I\u00a0got some of my next astrophotography workshop written, before venturing out into the dome.<\/p>\n<p>I also took time throughout the night to stand out to see if I could see any Leonids.<br \/>\nFat chance!<br \/>\nDidn&#8217;t even see a faint one.<\/p>\n<p>The first target was NGC 891, a beautiful edge-on galaxy. The dark dust lane and a hint of structure.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-869 alignnone\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/NGC891-2017111Web.jpg\" alt=\"\" width=\"575\" height=\"402\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/NGC891-2017111Web.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/NGC891-2017111Web-600x419.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/NGC891-2017111Web-300x210.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/NGC891-2017111Web-768x537.jpg 768w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/p>\n<p>A bit lower in the sky was comet\u00a0C\/2015 ER61 PANSTARRS.<br \/>\nThe colour image wasn&#8217;t that good, but making it mono and inverting the image shows quite a long dust tail, going off the the right hand side of the image .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-868\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CometC2015ER61PANSTARRSMonoInvWeb.jpg\" alt=\"\" width=\"579\" height=\"388\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CometC2015ER61PANSTARRSMonoInvWeb.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CometC2015ER61PANSTARRSMonoInvWeb-600x403.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CometC2015ER61PANSTARRSMonoInvWeb-300x201.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CometC2015ER61PANSTARRSMonoInvWeb-768x515.jpg 768w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><\/p>\n<p>Next, I went over to visit an old favourite, The Pleiades Star Cluster.<br \/>\nThe initial image looked good, but while I was processing this, more subs were being taken.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-866\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades-20171116Web-1024x669.jpg\" alt=\"\" width=\"652\" height=\"426\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades-20171116Web-1024x669.jpg 1024w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades-20171116Web-600x392.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades-20171116Web-300x196.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades-20171116Web-768x501.jpg 768w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/p>\n<p>The image is definitely improved with the extra data.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-865\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades2-20171116Web.jpg\" alt=\"\" width=\"654\" height=\"434\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades2-20171116Web.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades2-20171116Web-600x398.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades2-20171116Web-300x199.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/Pleiades2-20171116Web-768x509.jpg 768w\" sizes=\"auto, (max-width: 654px) 100vw, 654px\" \/><\/p>\n<p>While I was on the bright stuff, I thought I&#8217;d try the core of M31.<br \/>\nThe galaxy was almost overhead, so the auto-guiding was struggling.<br \/>\nI gave up, but got 4 subs to make an image.<br \/>\nSome dust lanes can be clearly seen, so I moved on to a fainter Messier object.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-863\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M31-20171116Web.jpg\" alt=\"\" width=\"679\" height=\"450\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M31-20171116Web.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M31-20171116Web-600x398.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M31-20171116Web-300x199.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M31-20171116Web-768x509.jpg 768w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><\/p>\n<p>M1 is the much studied supernova remnant, the Crab Nebula.<br \/>\nThis is the remains of a star that was observed by Chinese astronomers to go supernova in 1054.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-867\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CrabNebula-20171116Web.jpg\" alt=\"\" width=\"680\" height=\"455\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CrabNebula-20171116Web.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CrabNebula-20171116Web-600x401.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CrabNebula-20171116Web-300x201.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/CrabNebula-20171116Web-768x514.jpg 768w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<p>From there, it was adventure down south into Orion.<br \/>\nM78 was my first target.<br \/>\nA challenge in the light pollution, but the lack of stars visible due to the presence of dark obscuring dust shows quite well.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-862\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M78-20171116Web.jpg\" alt=\"\" width=\"680\" height=\"458\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M78-20171116Web.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M78-20171116Web-600x404.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M78-20171116Web-300x202.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M78-20171116Web-768x517.jpg 768w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<p>Further South, the Horsehead Nebula and Flaming nebula close to the left hand belt star Alnitak.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-864\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/HorseheadNebulaFlatWeb-643x1024.jpg\" alt=\"\" width=\"414\" height=\"659\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/HorseheadNebulaFlatWeb-643x1024.jpg 643w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/HorseheadNebulaFlatWeb-600x956.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/HorseheadNebulaFlatWeb-188x300.jpg 188w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/HorseheadNebulaFlatWeb.jpg 700w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\" \/><br \/>\nA visit to Orion must involve a look at M42, the great Orion Nebula.<br \/>\nThe colour didn&#8217;t look too good, but the image itself contained a lot of detail.<br \/>\nSo I overlaid the image taken tonight as a luminosity layer on top of a much more grainy image that captured the colour much better.<br \/>\nThe result was finally very pleasing.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-860 alignnone\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/OrionNebulaPOldColour_regFlatWeb.jpg\" alt=\"\" width=\"569\" height=\"345\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/OrionNebulaPOldColour_regFlatWeb.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/OrionNebulaPOldColour_regFlatWeb-600x364.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/OrionNebulaPOldColour_regFlatWeb-300x182.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/OrionNebulaPOldColour_regFlatWeb-768x465.jpg 768w\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" \/><\/p>\n<p>Last object in northern Orion was NGC 2174, The Monkey Head Nebula.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-870\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/MonkeyHeadNebula-20171116Web.jpg\" alt=\"\" width=\"584\" height=\"382\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/MonkeyHeadNebula-20171116Web.jpg 1000w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/MonkeyHeadNebula-20171116Web-600x392.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/MonkeyHeadNebula-20171116Web-300x196.jpg 300w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/MonkeyHeadNebula-20171116Web-768x502.jpg 768w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/p>\n<p>By this time I was getting cold and tired. So my last two objects were M81 &amp; M82.<br \/>\nIt was getting a little bit murky by this time, so I did as best I could and used the two images to build a wider field mosaic.<br \/>\nYou can see how there are less stars in the M82 half of the image as the sky was getting worse.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-861\" src=\"http:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M81-M82-20171116FlatWeb-803x1024.jpg\" alt=\"\" width=\"680\" height=\"867\" srcset=\"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M81-M82-20171116FlatWeb-803x1024.jpg 803w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M81-M82-20171116FlatWeb-600x765.jpg 600w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M81-M82-20171116FlatWeb-235x300.jpg 235w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M81-M82-20171116FlatWeb-768x979.jpg 768w, https:\/\/www.star-gazing.co.uk\/WebPage\/wp-content\/uploads\/2017\/11\/M81-M82-20171116FlatWeb.jpg 1000w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On the way home from work a strange sight beheld me. Looking towards the north-east, it looked like the shutters were being rolled back. A clear night, with no Moon looked to be promised. It&#8217;s been quite a while since I did some serious deep-sky imaging (Good grief, was it really the 20th of January!). [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"A Rare Deep Sky Imaging Session. 16th November 2017 - Star-Gazing","description":"On the way home from work a strange sight beheld me. Looking towards the north-east, it looked like the shutters were being rolled back. A clear night, with no"},"footnotes":""},"categories":[3,1],"tags":[],"class_list":["post-858","post","type-post","status-publish","format-standard","hentry","category-blog","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/posts\/858","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/comments?post=858"}],"version-history":[{"count":6,"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/posts\/858\/revisions"}],"predecessor-version":[{"id":879,"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/posts\/858\/revisions\/879"}],"wp:attachment":[{"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/media?parent=858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/categories?post=858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.star-gazing.co.uk\/WebPage\/wp-json\/wp\/v2\/tags?post=858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}