Domain | go-sky.de |
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Homepage URL | http://www.go-sky.de |
Keywords | astronomie spektroskopie photometrie polarometrie astronomy spectroscopy photometry polarometry ubv ubvri ccd astro astro-bilder pictures photos astro-photos bilder software marquardt iltisberger bernd amateur photografie fotografie skyspec galaxien sternhaufen nebel sterne galaxies cluster nebulae stars |