Celestial hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  Dumbbell nebula  ·  M 27  ·  NGC 6853
Messier 27 Dumbell Nebula, Michael Hansen
Messier 27 Dumbell Nebula
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Messier 27 Dumbell Nebula

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Description

This image is actually a combination of a set of RGB, Ha and OIII images. The FWHM is very high (~4pixel = 6.8'') which is the reason for the unsharpness of the image. Only bias subtraction is used, since no suitable dark and flat frames had been taken. No further post-processing has been done, besides combining using SD Mask.

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Messier 27 Dumbell Nebula, Michael Hansen