San Mateo County Astronomical Society Membership Benefits

Become an SMCAS Member Today! Here's what you get:

By joining you are sharing your Appreciation of Astronomy and Space Science with the General Public.

Your SMCAS membership helps bring astronomy to interested people, especially students and children.


Members Community

Friendly advice and guidance from experienced recreational astronomers; access to SMCAS group emails which provide general orientation information, announcements of astronomy events, file access and exchange.


SMCAS Events

General meetings are held the first Friday of most months, at 7 pm in the Integrated Science Center (ISC) Room and Planetarium in the Science Center (Bldg. 36) at the College of San Mateo (CSM), 1700 W. Hillsdale Blvd., San Mateo. Meetings include lectures and presentations on space science, an activity session, and refreshments (usually pizza).


We also offer stargazing two Saturdays a month, weather-permitting. Visitors and those without telescopes are welcome; members are glad to share! SMCAS also has sponsored dark-sky campouts at Fremont Peak State Park, field trips to SLAC, KIPAC and Lick Observatory, plus member-only events, including Star-B-Ques and quarterly potlucks.


Subscriptions (free with your membership)

The Event Horizon, SMCAS' monthly newsletter, with SMCAS and member information, viewing tips and articles.

The Reflector, published quarterly by the Astronomical League, a national alliance of astronomy groups like SMCAS.


Discounts on Equipment and Publications

Discounts on purchases at Bay Area astronomical equipment retailer Orion Telescope Center, on sky calendars and ephemerides, and on such periodicals as Sky & Telescope and Astronomy.


Annual Dues (SMCAS is a tax-exempt non-profit 501(c)(3). Dues may be tax deductible; consult your tax advisor)

$30 Regular Family Membership
$15 Student Membership
Every membership includes all members of your immediate family, (including your kids).

To join you can:

Go online at, click on the Membership tab and pay via PayPal.   Then fill out the online registration.