Below is Dennis Mammana's public presentation schedule for 2017-2018 season.   For more details, scroll down and click on each link.  Be sure also to check his popular Borrego Night Sky Tours.

Mark your calendar now to attend these exciting programs, most held under the clear dark skies of Borrego Springs, California's first and only International Dark Sky Community, and many are followed by telescope viewing of the nighttime sky.

To receive immediate updates about these and other programs, breaking astronomical news, celestial events and activities, and interesting dialogue, join Dennis on Facebook.  Or, for a monthly digest of some  posts, subscribe to his free e-newsletter.

You can also book Dennis to present a custom program at your group's or family's next event in Borrego Springs...  or elsewhere!