The RTMC Astronomy Expo was one of the major gatherings of amateur astronomers in the United States for five decades, from 1969 to 2019.
6-514: RTMC may refer to: RTMC Astronomy Expo , a gathering of amateur astronomers, formally known as Riverside Telescope Makers Conference . Royal Thai Marine Corps , the marines of the Royal Thai Navy. Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title RTMC . If an internal link led you here, you may wish to change
12-948: The Clyde Tombaugh Award "Creative Innovation in Telescope Design". To better reflect the evolution of amateur astronomy, the Riverside Telescope Makers Conference was renamed the RTMC Astronomy Expo in 2003. Each year the scope of activities continued to grow and evolve and had lectures, workshops, extensive beginners activities, a swap meet, astronomy clubs and other organizations, and vendors demonstrating and selling astronomical products. The Expo promoted family activities with swimming, canoeing, horseback riding, archery, wall climbing. Extensive hiking and mountain biking trails were also available. On 12 October 2019,
18-855: The Board of the RTMC announced that 2019 was the last year that the Astronomy Expo will be held. The RTMC also produced an early autumn star party called Nightfall in Borrego Springs, CA . Nightfall is still held by the Riverside Astronomical Society on the weekend in October that corresponds with the new moon. In 2007, the Riverside Telescope Makers Conference, Inc. announced a fall event to be held in Pasadena named
24-492: The Riverside Astronomical Society, the RTMC Astronomy Expo began in 1969 as the Riverside Telescope Makers Conference at Riverside City College in Riverside , California . It consisted of a series of lectures about astronomy and telescope making with a competition for quality and innovative telescopes. In 1973 it was moved to a dark-sky site near Idyllwild and in 1975 it was moved to its last home near Big Bear City . It
30-399: The link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=RTMC&oldid=1209540306 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages RTMC Astronomy Expo Founded by Clifford W. Holmes and
36-738: Was held on the three-day Memorial Day weekend. In 2010, it was held in May on the weekend that corresponded with new moon to allow amateur astronomers the best viewing conditions. Due to low attendance the date was moved back to the Memorial Day weekend in 2011 The organization annually presented the Clifford W. Holmes Award for "Major Contribution to Popularizing Astronomy, the Warren Estes Memorial Award for "Best Use of Simple Materials and Technique" in making telescopes, and
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