Saturday, November 4:  Astroday at Kona Commons.  Observatories from Maunakea and Haleakala will be represented, as well as other technology, education, and cultural organizations. Highlights include Starlab--a portable planetarium provided by the Canada France Hawai`i and Gemini observatories, solar viewing with experienced astronomers, robotic demos, educational games and toys, and many hands-on activities. Located at the former Sports Authority space at Kona Commons, 74-5450 Makala Blvd., Kailua-Kona. 11 a.m. to 4 p.m. Free to the public. For more information call…