Join or Renew Membership

We are excited for you to join us! Your membership dues help support our membership benefits, which are listed below. We offer a variety of membership packages to match your family and income. If you like, you may also download a paper form and mail it to our PO box with a check.

Membership benefits include:

    • Monthly meetings with featured guest speakers, cookies, and sodas
    • Yearly events like the Annual EAS Awards Dinner and star parties around the west coast
    • Members-only viewing nights at Chabot’s large telescopes
    • Volunteer training to operate Chanbot’s large telescopes for public viewing nights
    • Materials and guidance to make your own telescope at the Telescope Makers Workshop
    • Advanced astro-research groups
    • Discount rates for Astronomy and/or Sky & Telescope magazine subscription
    • Various discounts to items in the catalogs of Sky & Telescope, and the Astronomical League
    • Access to Chabot’s Science Library
    • Access to our monthly newsletter, The Refractor

Note: Each Eastbay Astronomical Society membership year begins November 1, and ends October 31. New memberships starting from July – October will be good through to the end of October of the next year.


Membership Levels

Student Membership

Yearly membership: $10

Student Name



Regular Membership

Yearly membership: $24





Family Membership

Yearly membership: $36





Contributing Membership

Yearly membership: $40





Sustaining Membership

Yearly membership: $60+





Header photo by EAS member Rich Ozer.