Previewing: OBSERVO.ERGO.SUM 
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My blog is describing my home-built telescopes and accesories or my attempts to refurbish and to improve old optical instruments or components.Also I share my experience from public star-parties and I add interesting details about Arad,Romania,the city where I live.
OBSERVO.ERGO.SUM owned by: mirceapte
A member of Astronomy Ring since 08/16/2012.