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Barbara Burtscher
Martin Signer
Galaxies
Balkengalaxie |
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| Spiralgalaxie M 101: |
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| Sombrerogalaxie M 104: |
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| Whirlpoolgalaxie M 51: |
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alle Bilder: © B.Burtscher, B.Götz, KSH-Sternwarte