Welcome to the Tri-Valley Stargazers Astronomy Club's web site. There is a lot of information here on the many activities of the Tri-Valley Stargazers (TVS). Learn why you should join the club to get the most out of your amateur astronomy hobby in the east San Francisco Bay Area.

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See all the planets at Tesla!

Our next club star party at Tesla Vineyards will emphasize the planets. All eight will be visible on that evening. For more information, see below.

Next Public Meeting

Speaker: Dr. Kenneth Lum
The Evolution of the Reflecting Telescope

Friday, August 19, 2016
Doors open at 7:00 p.m.
Show & Tell starts at 7:30 pm
Talk follows

Unitarian Universalist Church
1893 N. Vasco Rd., Livermore

Next Board Meeting

Monday, August 22, 2016, 7:30 p.m.
Round Table Pizza
1024 E. Stanley Blvd, Livermore

Members are always welcome at board meetings. Pizza is optional.
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The Latest News & Upcoming Events

August's meeting

Dr. Kenneth Lum will give us the next talk in his series about the history of the telescope. The tentative title of the talk is The Evolution of the Reflecting Telescope. Watch this space for more details!

H2O Open House

Our next open house is scheduled for Saturday, August 27th at the club's dark sky site, Hidden Hill Observatory, aka H2O.

Anyone can come to our open houses, not just club members; but you cannot go there without an escort. We will meet at the corner of Mines and Tesla Roads at 6:30 PM, then caravan to the site on a drive that takes about 50 minutes. The admission is $3/car; please bring the exact amount. There is no gas on the way, so be sure to gas up before leaving. The site is essentially in the wilderness, so there is no electricity and water, and there are only a couple of pit toilets. Cell-phone reception is iffy at best. While there is a picnic table there, you really should bring your own chair. If you need to see what you are doing, bring a red LED flashlight, not a white-light flashlight. And use masking tape over your car door and interior lights, or pull the fuse. If you don't have a scope, you can always find someone who is willing to let you look through theirs. And don't forget to bring your binoculars. Expect to stay until about midnight and get back to Livermore at around 1:00 AM.

Upcoming star parties

We have planned the following star parties: Please contact for further information.

The H2O Open Houses will be open to all club members and the public. The Tesla Winery Star Parties will be open to club members and their guests. Start and end times for the parties will be announced later, but we usually plan to arrive at the observing site about 30 minutes before sunset and wrap up around midnight. Mark your calendars now!

Our Tesla Winery club star parties will have a new twist this year. For those wishing to participate, each party will have a theme and observing list associated with it. Themes suggested so far include a mini-Messier marathon, lunar features observing, planetary night, star cluster observing, beginner's night, and constellation identification. If you have an idea for another theme, please mention it to a board member during any meeting.

The theme for July 30th's Tesla club star party will be the planets. All eight planets will be visible, starting with Venus and Mercury in the early evening near sunset and ending with Uranus and Neptune towards midnight. Ambitious observers may want to look for the asteroid Pallas too!

TVS Crystal Wine Glasses For Sale

wine glass TVS is offering elegant crystal wine glasses for sale to club members. You don't have to drink wine to enjoy the beautiful TVS logo-etched stemware. Use them for your favorite beverage, or they can be used as a beautiful container for small plants. They are the perfect gifts for loved ones or friends. Look for them at club meetings, where they will be sold for $10/each. Don't drink alone, buy two! Support TVS. Thanks to who got these wonderful glasses.

TVS Logo Wear

You may have seen some TVS members wearing shirts and jackets embroidered with the TVS logo. If you are interested in obtaining an embroidered logo item, you can do so by ordering whatever you would like through Land's End's Corporate Sales section and specifying TVS logo #0118948. You will need to set up an account, which will ask for the logo number and the TVS customer number (3452021).

TVS has also set up shop at Cafepress for members to buy non-embroidered TVS logo wear. You can have the TVS logo put on t-shirts, mugs, buttons, hats, coasters, etc. You buy through Cafepress, and Cafepress sends TVS a portion of the proceeds. Visit the web site to see all the TVS logo possibilities.