{"id":233,"date":"2026-03-23T22:08:03","date_gmt":"2026-03-23T22:08:03","guid":{"rendered":"https:\/\/cosmosimager.com\/staging\/3153\/?page_id=233"},"modified":"2026-03-23T22:41:12","modified_gmt":"2026-03-23T22:41:12","slug":"ic-63-the-ghost-of-cassiopeia","status":"publish","type":"page","link":"https:\/\/cosmosimager.com\/staging\/3153\/ic-63-the-ghost-of-cassiopeia\/","title":{"rendered":"IC 63 – The Ghost of Cassiopeia"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

IC 63 is a faint emission and reflection nebula located in the constellation Cassiopeia, illuminated by the nearby blue giant star Gamma Cassiopeiae. Intense ultraviolet radiation from the star excites hydrogen gas, producing red H-alpha emission, while surrounding dust reflects blue starlight, giving the nebula its ghostly appearance.<\/p>\n\n\n\n

The interaction between radiation and the surrounding interstellar medium creates delicate filaments and curved shock fronts, visible here against a dense star field. IC 63 is notoriously difficult to image due to its low surface brightness and proximity to an extremely bright star, requiring careful control of dynamic range and extensive integration time.<\/p>\n\n\n\n

This image was created using a combination of narrowband H-alpha and broadband RGB data acquired from Arnold, CA. The images was acquired from July 28 through October 11, 2025 with a total integration time of 20.6 hours. The image blends enhanced H-alpha luminance with natural star color to highlight faint structural detail while preserving the reflective character of the nebula.<\/p>\n","protected":false},"excerpt":{"rendered":"

IC 63 is a faint emission and reflection nebula located in the constellation Cassiopeia, illuminated by the nearby blue giant star Gamma Cassiopeiae. Intense ultraviolet radiation from the star excites hydrogen gas, producing red H-alpha emission, while surrounding dust reflects blue starlight, giving the nebula its ghostly appearance. The interaction between radiation and the surrounding […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-233","page","type-page","status-publish","hentry"],"yoast_head":"\nIC 63 - The Ghost of Cassiopeia - William D Brown Astrophotography<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cosmosimager.com\/staging\/3153\/ic-63-the-ghost-of-cassiopeia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IC 63 - The Ghost of Cassiopeia - William D Brown Astrophotography\" \/>\n<meta property=\"og:description\" content=\"IC 63 is a faint emission and reflection nebula located in the constellation Cassiopeia, illuminated by the nearby blue giant star Gamma Cassiopeiae. 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