Almost time for the RTMC Astronomy Expo

Year after year, since before I was born, the Riverside Telescope Makers' Conference (now known as the RTMC Astronomy Expo) has been drawing hundreds, and sometimes a couple thousand, of amateur and professional astronomers to its annual gathering.

Held in the San Bernardino Mountains, just east of Big Bear, RTMC AE continues to be a major draw for astronomy enthusiasts. Head on up this Memorial Day weekend for presentations, workshops, vendors, swap meet, and more. While the conference goes from May 23-27, if you can only attend one day, Saturday the 25th will be the best day.

May 23-27. More info at