Free Astronomy Magazine May-June 2018
        
 www.northek.it  -  www.facebook.com/northek.it  -  info@northek.it  - phone  +39 01599521 Ritchey-Chrétien 250 mm f/8.5   Suprax OPTICS FROM Schott CARBON STRUCTURE NortheK CELL StabilobloK 25 FOCUSER Feather Touch FTF 2000 2" WEIGHT 15 kg.
        
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