"The sky is the ultimate art gallery just above us." - Ralph Waldo Emerson (1803 - 82)
Astrophotography by Jason Jennings

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Nebulae :: RCW75



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         Object RCW75
         Comment RCW75 (aka Gum48a) is a HII region that surrounds and is ionised by a young star cluster known as Stock 16, which is part of the Centaurus (Cen) OB1 association. Stock 16 lies at the end of the "elephant trunk" shaped molecular cloud. It is believed the region is connected to the huge and diffuse m Cen nebula. Text adapted from

Image is a Ha+R[GB] composite.
         Optics Modified ASA N16 Astrograph F/3.5 (1396mm FL)
         Camera Apogee Alta F16000 - 1x1 bin (image scale: 1.1 arcsec/pix)
         Mount Software Bisque Paramount ME
         Exposure Total exposure time: 8 hours
         Date May 2015


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