{"id":655,"date":"2024-01-12T12:49:17","date_gmt":"2024-01-12T12:49:17","guid":{"rendered":"https:\/\/www.lonepeak.space\/?p=655"},"modified":"2025-03-26T15:51:20","modified_gmt":"2025-03-26T15:51:20","slug":"ngc-2244-2","status":"publish","type":"post","link":"https:\/\/www.lonepeak.space\/index.php\/2024\/01\/12\/ngc-2244-2\/","title":{"rendered":"NGC 2244"},"content":{"rendered":"\n
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\"\"<\/a><\/figure>\n\n\n\n
\"\"<\/a><\/figure>\n<\/figure>\n\n\n\n

Wikipedia Description:<\/strong><\/p>\n\n\n\n

The Rosette Nebula<\/strong> (also known as Caldwell 49<\/strong>) is an H II region<\/a> located near one end of a giant molecular cloud in the Monoceros<\/a> region of the Milky Way Galaxy<\/a>. The open cluster<\/a> NGC 2244<\/a> (Caldwell 50) is closely associated with the nebulosity, the stars<\/a> of the cluster having been formed<\/a> from the nebula’s matter.<\/p>\n\n\n\n

The nebula has been noted to be having a shape reminiscent of a human skull, and is sometimes referred to as the “Skull Nebula”. It is not to be confused with NGC 246<\/a>, which is also nicknamed the “Skull Nebula”.[3]<\/a><\/sup>[4]<\/a><\/sup><\/p>\n\n\n\n

The cluster and nebula lie at a distance of 5,000 light-years<\/a> from Earth<\/a>[6]<\/a><\/sup> and measure roughly 130 light years in diameter. The radiation<\/a> from the young stars excites the atoms<\/a> in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass<\/a> of the nebula is estimated to be around 10,000 solar masses<\/a><\/p>\n\n\n\n

A survey of the nebula with the Chandra X-ray Observatory<\/a> has revealed the presence of numerous new-born stars inside optical Rosette Nebula and studded within a dense molecular cloud. Altogether, approximately 2500 young stars lie in this star-forming complex<\/a>, including the massive O-type stars<\/a> HD 46223 and HD 46150, which are primarily responsible for blowing the ionized bubble.[7]<\/a><\/sup>[8]<\/a><\/sup> Most of the ongoing star-formation activity is occurring in the dense molecular cloud to the south east of the bubble.[9]<\/a><\/sup><\/p>\n\n\n\n

A diffuse X-ray<\/a> glow is also seen between the stars in the bubble<\/a>, which has been attributed to a super-hot plasma with temperatures ranging from 1 to 10 million K.[10]<\/a><\/sup> This is significantly hotter than the 10,000 K plasmas seen in HII regions<\/a>, and is likely attributed to the shock-heated winds from the massive O-type stars.<\/p>\n\n\n\n

Wikipedia: Rosette Nebula<\/a><\/p>\n\n\n\n

<\/div>\n\n\n\n

Acquisition Details:<\/p>\n\n\n\n

Telescope<\/td>Takahashi TSA-120<\/td><\/tr>
Optics<\/td>None<\/td><\/tr>
Filter<\/td>IDAS NB12 Dual Band Filter<\/td><\/tr>
Camera<\/td>ASI2600MC Pro OSC<\/td><\/tr>
Integration Time<\/td>Unknown<\/td><\/tr>
Subframes<\/td>Unknown<\/td><\/tr>
Date<\/td>January 12, 2024<\/td><\/tr>
Location<\/td>Carlsbad, California<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

Wikipedia Description: The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from […]<\/p>\n","protected":false},"author":2,"featured_media":225,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-655","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/posts\/655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/comments?post=655"}],"version-history":[{"count":3,"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/posts\/655\/revisions"}],"predecessor-version":[{"id":731,"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/posts\/655\/revisions\/731"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/media\/225"}],"wp:attachment":[{"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/media?parent=655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/categories?post=655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lonepeak.space\/index.php\/wp-json\/wp\/v2\/tags?post=655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}