Astrodon Manufactures LRGB and other types of narrow band filters for CCD astrophotography. Other products include the remotely controlled ROAG off-axis guider, the TAKometer remote controlled camera rotator for Takahashi refractors, and the RGB Weight Calculator software for computing exposure times with RGB filters. http://www.Astrodon.com/
stick-o-flage look. had no CDs to leave, so I left my sig item mini fridge magnets and took nowt. T4TC .. November 4, 2004 by astrodon (249 found) http://www.geocaching.com/seek/cache_det