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Dumbbell Nebula: One of the most pretty examples of a so-called Planetary Nebula. The old astronomers called this type of objects planetary because in their low-resolution telescopes they looked like planets. Today we know that these are dramatic events of dying stars, which expell lots of their matter when they start to expand into Red Giants

Object Dumbbell Nebula
Category Planetary Nebulae
Designation M 027
Constellation Vulpecula
Optics Keller 90cm Cassegrain with reducer f/6,7
Mount Keller Alt/Az in polar position
Camera SBIG STL-11000M with internal CFW 5
Exposure 6x10min L, 3x10min each RGB, Baader filterset. Maxim DL for image acquisition
Calibration Dark Frame
Guiding Selfguiding
Processing MaxIm DL5, PixInsight,Photoshop. Color Code LRGB
Location-Date Welzheim, Germany - 17 Oct 2012
Remark I`d like to thank Kurt Schneider and Martin Gertz for the opportunity to use this fine instrument
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