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

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Nebulae :: M27 - Mapped colour


M27 - Mapped colour

 

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         Object M27 - Mapped colour
         Comment The Dumbbell nebula (M27) is a gaseous emission nebula residing in the constellation Vulpecula. Its name was derived from early astronomers who sighted it has having two distinctly shaped sides looking like a Dumbbell weight. The shape of the nebula is due to the central star expelling its layers as its core nuclear fuel supply diminishes. M27 resides 1,200 light years away.

Portrayed in this image is the different atoms the make up the nebula complex. The green and blue consists of ionised oxygen (OIII) and the red, Hydrogen Alpha (Ha).
Click here to view the separate emission lines.

This narrowband image is a Ha:OIII:OIII mapped as R:G:B respectively. Data acquired on the Lightbuckets 24" RCOS.
         Optics RCOS 24" F/8 (4876 mm FL)
         Camera Apogee Alta U42 - 1x1 bin (image scale .57 arcsec/pix)
         Mount RCOS Professional Series Equatorial Fork
         Exposure Total exposure time: 3.1 hours (Ha:120min,OIII:70min)
         Date 16/6/2008
19/6/2008

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© 2018 Jason Jennings