Limited Time Only – Get your EAS Tee Shirt

You have three choices for receiving your shirt:
* You can pick it up in person at the Telescope Makers’ Workshop on any Friday Night at Chabot
* You can pick it up at the Holiday Potluck on December 11th
* You can choose to have it shipped for an extra $5
Please indicated in the dropdown list of sizes whether you will be picking up your shirt or requesting shipment. After adding one or more shirts to your shopping cart, click View Cart to continue. The shirt is navy blue with the EAS logo on the front (100% cotton).


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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 (add multiples to your cart before checkout. Click View Cart when done.)

Yearly membership: $10


Student’s 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.