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! 



Astronomy Travel
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!

2016-2017 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.

For more details about these popular programs, please visit Borrego Night Sky Tours.
his is one journey you won't soon forget!
Gift certificates are now available   
Private Night Sky Photography Tutorials

If you can't join in on one of Dennis's popular Night Sky Photography workshops, why not arrange for a private session to learn from this noted TWAN sky shooter! The session is customized to your level and interests but, if you have a camera and tripod, you'll surely come away with photos you'll be happy to call your own. Reserve your session today!

Subscribe FREE to Dennis' popular weekly "Stargazers"

If your local newspaper does not carry this popular column—now in its 25th consecutive year—you can read current or recent articles online or you can subscribe and receive it FREE via e-mail!  Just register or log in, subscribe, and you will receive it weekly in your e-mail.

Or you can 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.