Join the Central Coast Astronomical Society
If you’re curious about the night sky — or already exploring it — CCAS is here to support you.
We’ve been sharing the wonders of astronomy across San Luis Obispo County since 1979, welcoming everyone from first-time stargazers to experienced observers, students, families, and professionals.
Membership is simple, affordable, and designed to help you succeed in astronomy.

Membership Options & Cost
Membership is per family and runs for one year.
- $20 per year per family
- $15 per year for seniors and students
How to Sign Up for Membership
- Join or renew online using a credit card or paypal account using the secure link below
- Send payment through Venmo at @CentralCoastAstronomy and include your name in the notes
- Renew in person at a club meeting (cash or check)
After joining, you’ll be taken to a Thank You page with everything you need to get started. Welcome aboard!
Credit Card or Paypal: Easy & Secure Payment
If you choose credit card payment, PayPal will first show a login screen. You do not need a PayPal account. Simply click “Try another way” to enter your credit card details securely. You can select one-time or yearly auto-renewal membership. Auto-renewal subscriptions can be canceled at any time.
Why Join CCAS?
Astronomy is much more rewarding when you don’t have to figure it out alone. As a CCAS member, you’ll enjoy:
- Subscription to the Celestial Observer Newsletter (articles, events, observing tips)
- Access to engaging talks by astronomers and researchers
- Help choosing, using, and understanding telescopes
- Use of club loaner telescopes, with hands-on instruction
- Discounts on Sky & Telescope and Astronomy magazines
- Member social events, including holiday gatherings and summer Star-B-Que nights
- Invitations to member field trips to sites like Mt. Wilson Observatory, Fremont Peak, and other scientific destinations (when scheduled)
Most importantly, you gain a supportive community that remembers what it was like to be new.
New to Astronomy?
If you’re just getting started, you don’t need equipment or experience. We recommend beginning here: New to Astronomy? Start Here
This page walks you through your first steps and shows how CCAS can help.
Membership Types
- One-Year Membership — one-time payment
- Auto-Renewing Annual Membership — easy, worry-free renewal
Choose the option that works best for you.
| Ongoing One Year Annual Membership easy auto-renewal subscription |
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| One Year Annual Membership one-time, one-year membership |
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Questions or Help?
Have questions about membership, renewing, or paying another way?
- You can sign up or renew membership with cash or check at a club meeting
- Use Venmo for a one-time one-year membership option
- Pay with a credit card or paypal using the secure links above
Already a member and need to cancel or unsubscribe? You can do that here.
Join Us Under the Stars
Membership supports:
- Monthly stargazing events
- Public outreach and school programs
- Telescope loans and mentorship
- Special lectures and astronomy nights
- Our long-term goal of a permanent observatory on the Central Coast
Whether you come once in a while or dive in deeply, CCAS is better with you in it.
Ready to Join?
Use the secure form below to become a member or renew today.
After joining, you will be taken to a Thank You page with all the information you need to get started with your membership! We are so excited you are joining us in sharing the wonders of the universe through regular public lecture programs and star parties, special astronomy events, club telescopes, monthly newsletters of articles and events, and through this website.


