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Doru Dragan

18 Iul 2008 07:03



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http://www.skyandtelescope.com/observing/objects/sun/3304056.html
http://www.skyandtelescope.com/equipment/vendors/3304076.html
http://www.opticsplanet.net/celestron-telescope-solar-filters.html
http://www.baader-planetarium.com/sofifolie/bauanleitung_e.htm

