President's Message
Welcome to the website of the Central Valley Astronomers! Astronomy is a wonderful hobby and profession, focusing on the study of the vastness of space beyond our planet. Depending on your level of expertise, it can be intimidating to wade through the variety of information and equipment available.
That, however, is exactly why we are here! Whether you just want to learn a few star and constellation names, or you want to photograph the heavens in their beauty, or anything in between, we can help you explore the options and make this fun hobby your own. Our membership comprises amateurs, professionals, and even teachers and professors. We have arranged a variety of activities to help you get to know us and learn about astronomy.
Our club meetings are a great way to meet our most active members face to face. Most meetings have an educational element, with a presentation by one of our members or a guest speaker, followed by coming events and general club business. Our dark sky star parties, typically at Eastman Lake, are the best way to learn about the various types of equipment available to amateur astronomers, be it a basic pair of binoculars or the many types of optics available today. We even do camping star parties up at Courtright Reservoir, for those who want to experience the darkest skies available in the area for multiple nights.
If you are wondering how to get started, please give one of us a call or send us an E-Mail. If you have an interest in space, we want to help you achieve your goals! Astronomy is a rewarding hobby and a wonderful adventure – we hope to see you soon!
Scott J. Davis, President
Central Valley Astronomers
Random Astrophoto From the Gallery

Courtright Star Trail #1
Scott Davis - 6/8/2013
Full Size   |   View Info   |   Go To Gallery
Astronomy in the News ( RSS Feed)
Watch the Moon Swing by Jupiter Tonight!
(June 22, 2018)
On Saturday evening, should local weather conditions permit, you'll be able to enjoy a view of a waxing gibbous moon hovering near the "king of the planets," Jupiter.
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Mars Had a Seriously Crazy Volcanic Past, New Study of 'UFO' Rocks Reveals
(June 22, 2018)
Bizarre rock formation known as Medusae Fossae weren't created by UFOs crash-landing, but rather by massive volcanism on the Red Planet.
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Physicists Just Found the Last Missing Protons and Neutrons In the Universe
(June 22, 2018)
The universe's missing baryons have been found, and they're floating between the stars in the form of superhot oxygen.
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On This Day In Space! June 23, 1949: XS-1's 117th Flight
(June 22, 2018)
On June 23, 1949, the XS-1 space plane flew for the 117th time. The XS-1, later called the Bell X-1, was a piloted, rocket engine-powered plane that could fly faster than the speed of sound. See how it happened in our On This Day in Space video series.
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Tracking System Glitch Delays Rocket Lab's 1st Commercial Electron Launch
(June 22, 2018)
The private spaceflight company Rocket Lab called off the commercial launch debut of Electron rocket in New Zealand early Saturday (June 23) due to an issue with a tracking dish.
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How Fast Is Earth Moving?
(June 21, 2018)
Earth moves at a fantastic rate of speed on its axis, around the sun and across the universe.
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This Week's Top Space Stories!
(June 21, 2018)
Mars is entirely covered in dust, a meteor made a guest appearance at a rock concert, wormholes are colliding, and the United States seems to be building a Space Force — it's's best news stories of the week.
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Coming Events (Next 45 Days)
Millerton Lake Star Party @ Millerton Lake
Saturday, July 7, 2018
Sunset:  8:23 PM
Darkness:  10:13 PM - 3:58 AM
Courtright Reservoir Star Party @ Courtright Reservoir
Start Date:  Friday, July 13, 2018
End Date:  Sunday, July 15, 2018
Eastman Lake Star Party @ Eastman Lake
Saturday, July 14, 2018
Sunset:  8:20 PM
Darkness:  10:08 PM - 4:05 AM
River Park Star Party @ River Park
Saturday, July 21, 2018
6:00 PM - 10:00 PM
Millerton Lake Star Party @ Millerton Lake
Saturday, August 4, 2018
Sunset:  8:04 PM
Darkness:  9:44 PM - 4:29 AM

Today's Astronomical Zodiac Constellation

Gemini (Twins)
June 20 - July 20
The Astronomical Zodiac is based on the position of the sun within the constellation boundaries as defined by the International Astronomical Union. For this reason, the length of time the sun spends in each constellation can be as few as 7 days and as many as 45 days (the Sun stays within Gemini for 31 days). It also includes Ophiuchus, the Serpent-Bearer, as a 13th constellation.
This is in contrast to the Tropical Zodiac used by astrologers, which are spread out evenly amongst the 12 constellations, and correspond to different dates.

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