M 27

Date:
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7-09-2007
Grand-Praz

RCO 16" f8.4
Paramount
STL-11000M

With RGB: total 100 min.



480 min.

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Description:

M 27
6853
Dumbbell
Vulpecula
1350 light years
7.5
Triple-shell planetary nebula. The second and third
shells are visible in this deep h-alpha exposure.