{"id":2191,"date":"2025-04-11T12:18:46","date_gmt":"2025-04-11T18:18:46","guid":{"rendered":"https:\/\/albersheim.com\/wordpress\/?post_type=blog_post&#038;p=2191"},"modified":"2025-04-11T12:18:47","modified_gmt":"2025-04-11T18:18:47","slug":"dolphin-head-nebula","status":"publish","type":"blog_post","link":"https:\/\/albersheim.com\/wordpress\/blog-post\/dolphin-head-nebula\/","title":{"rendered":"Dolphin Head Nebula"},"content":{"rendered":"\n<p><strong>Sh 2-308<\/strong>, AKA the&nbsp;<strong>Dolphin-Head Nebula<\/strong>, is located near the center of the constellation Canis Major, is composed mostly of iodized hydrogen. The nebula is bubble-like and surrounds a bright star named EZ Canis Majoris. This star is in the brief, pre-supernova phase of its stellar evolution. The nebula is about 4,530 light-years or 26,636 trillion miles away from Earth. The nebula is approximately 60 light-years across at its widest point.<\/p>\n\n\n\n<p>This particular image is comprised of 56 subs @ 600s (9+ hrs over 3 nights) and was calibrated using 60 dark frames, 60 bias frames, 60 flat frames, and 60 DarkFlat frames.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/albersheim.com\/wordpress\/wp-content\/uploads\/2025\/04\/sh2-308-dolphin-head-sq-cr-1024x1024.jpg\" alt=\"Dolphin Head Nebula\" class=\"wp-image-2189 pp_post_image\" srcset=\"https:\/\/albersheim.com\/wordpress\/wp-content\/uploads\/2025\/04\/sh2-308-dolphin-head-sq-cr-1024x1024.jpg 1024w, https:\/\/albersheim.com\/wordpress\/wp-content\/uploads\/2025\/04\/sh2-308-dolphin-head-sq-cr-300x300.jpg 300w, https:\/\/albersheim.com\/wordpress\/wp-content\/uploads\/2025\/04\/sh2-308-dolphin-head-sq-cr-150x150.jpg 150w, https:\/\/albersheim.com\/wordpress\/wp-content\/uploads\/2025\/04\/sh2-308-dolphin-head-sq-cr-768x768.jpg 768w, https:\/\/albersheim.com\/wordpress\/wp-content\/uploads\/2025\/04\/sh2-308-dolphin-head-sq-cr-1536x1536.jpg 1536w, https:\/\/albersheim.com\/wordpress\/wp-content\/uploads\/2025\/04\/sh2-308-dolphin-head-sq-cr-2048x2048.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Dolphin Head Nebula<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Sh 2-308, AKA the&nbsp;Dolphin-Head Nebula, is located near the center of the constellation Canis Major, is composed mostly of iodized hydrogen. The<\/p>\n<p class=\"link-more\"><a class=\"myButt \" href=\"https:\/\/albersheim.com\/wordpress\/blog-post\/dolphin-head-nebula\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"tags":[],"blog-category":[],"class_list":["post-2191","blog_post","type-blog_post","status-publish","hentry"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/blog_post\/2191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/blog_post"}],"about":[{"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/types\/blog_post"}],"author":[{"embeddable":true,"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/comments?post=2191"}],"wp:attachment":[{"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/media?parent=2191"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/tags?post=2191"},{"taxonomy":"blog-category","embeddable":true,"href":"https:\/\/albersheim.com\/wordpress\/wp-json\/wp\/v2\/blog-category?post=2191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}