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An HII star forming region of dust and gases, sculpted by the radiation and interstellar winds emanating from the young (3 – 4 million years) open star cluster Dolidze 25 located near its centre.  Along the inner edge of the main ring structure are numerous dark dust pillars and Bok Globules, not unlike those of the Elephant’s Trunk nebula.  Despite its resemblance to the Elephant’s Trunk and the nearby Rosette nebula, it’s apparent size is smaller and much fainter in nature but still forms an excellent late winter image target which I really enjoyed imaging and processing. 


Imaging Details:

William Optics GT81 + ZWO ASI294MM Pro camera + Chroma RGB and 3nm narrowband filters.

Taken over 5-nights between 6th and 13th February

SHO Hubble palette processed in PixInsight 

Ha 53 x 300s

OIII 36 x 300s 

SII 36 x 300s

RGB 104 x 60s

Total integration = 13hr 14min


Edited by groberts
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