Astronomy Writing    Lecturing    Photography




For more than four decades, Dennis Mammana has delivered the wonder and mystery of the universe to audiences around the world―through his celestial photography, popular astronomy writings, public lectures and workshops, unique night sky tours and his exciting astronomical enrichment trips to some of the most exotic locations on Earth.  Please enjoy your visit, and be sure to follow and chat with Dennis online! 



For more details, please visit Borrego Night Sky Tours; this is one journey you won't soon forget!
with Dennis Mammana

Whether it's a spectacular and rare total eclipse of the sun, or the ethereal dancing lights of the aurora borealis--the northern lights--Dennis is probably leading an exciting tour to view and photograph it. These tours are quite popular, and space is limited, so if you'd like to check off yet another of your "bucket list" items, now's the time to check them out!

2015-2016 Public Programs

Join all the fun with Dennis' inspiring lectures, workshops, tours and celestial eventsmany under the clear dark skies of California's only International Dark Sky Community. Details for the exciting 2015-2016 season coming soon!

Subscribe FREE to Dennis' popular weekly "Stargazers"

If your local newspaper does not carry this popular column—now in its 24th consecutive year—you can receive it FREE via e-mail!  Just visit the Stargazers page at Creators Syndicate and click the box at the bottom.  Or request that your newspaper editor consider carrying it so all your friends and family can also enjoy!


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(c) Dennis L. Mammana.  All rights reserved.