• Tim Hunter — My life and hard times in amateur astronomy


  • Matthew Ota — Edward Emerson Barnard, The World’s Greatest Observer of his Time
  • Tim Thompson — A Universe of Stars
  • Tim Hunter — The Barnard Objects-in color
  • Mike Spooner — An ATM 36″ folded reflector
  • Peter Wraight — A Different Approach to Building Astronomical Binoculars
  • Tim Robertson — The Association of Lunar and Planetary Observers… Past, Present and Future
  • David Levy — Saturday Keynote


  • Robert Stephens, The RTMC: A 50 Year Meeting and Star Party
  • Dorothy Wood — Building of the Palomar Observatory
  • Don Machholz — The Discovery of a Comet from RTMC
  • Michael Fene — Galileo: The Little Planetary Observation Spacecraft That Could
  • Tim Thompson — George Ellery Hale
  • Alan B. Gorski — Astro-Imaging with a Modified Canon 6D Full Frame DSLR
  • Wally Pacholka — How to take stunning Landscape Astrophotos
  • Dr. Marc Rayman – Nasa’s Dawn Mission to the Asteroid Belt.

RTMC Expo Complete Information

This year’s annual RTMC Astronomy Expo will take place from Thursday, September 19th through Sunday, September 22nd. It will be held at YMCA Camp Oakes, five miles southeast of Big Bear City, California.

RTMC Expo Registration

Pre-registration is available from May 20th to August 31st. After August 31st, you may register on-site at premium prices. You may pre-register using a printed registration form and mailing a check or register on-line and pay with Paypal.

Commercial Exhibitors, Vendors & Clubs

Vendors include any business, club, organization or Individual who wishes to set up a booth and sell any commercial items or services. Clubs can set up a booth for free if they are not selling anything.