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Beaver Creek Clear Sky Clock

"To bring together those who appreciate the night sky!"
The TriState Astronomers is a group of amateur astronomers from the area surrounding Hagerstown, MD. & Washington County. Since 1985, we enjoy sharing the ageless wonders of the night sky. About Us!


Club Officers



Public Outreach/Events



Skylights Podcast:
The Night Sky
Download sky map
2017 Moon Calendar

Object of the Month
Constellation of the Month
Bright Comets
Messier Club
Lunar Lunatics Club
Magnitude Explained
Great American Eclipse

Satellite Flybys

What are Iridium Flares?
Your Sky

Top 10 Very Red Stars

TriState Astronomers

Promote Your Page Tooo

Discover Space: A Cosmic Journey - June 7
What:     Discover Space: A Cosmic Journey
Where:   C. Burr Artz Public Library, Frederick, MD
When:    2:00PM until 3:00PM on Wednesday, June 7, 2017
Show me a MAP

The TSA will help the library setup, use, and demonstrate "two telescopes with daylight filters"

The Frederick County Public Libraries is pleased to announce the summer arrival of the exhibit Discover Space: A Cosmic Journey, a grant created in partnership with the American Library Association, National Center for Interactive Learning (NCIL) at the Space Science Institute (SSI), the Lunar and Planetary Institute (LPI), and the Afterschool Alliance.

The Discover Space traveling exhibition focuses on 4 areas: The Search for Alien Earths, Exploring Our Solar System, Space Rocks, and Electric Space.


Next Club Meeting - September 20, 2017 - 7:00 pm.
The TriState Astronomers will meet on Wednesday, September 20 2017 at the Brish Planetarium.

6:30 – 7:00 p.m. Doors open for informal discussion in the planetarium along with refreshments

7:00 – Presentation begins!

All regular meetings of the TriState Astronomers are free and open to the public. Bring a friend and share the excitement of amateur astronomy!

Other Events

The TriState Astronomers


Defending The Dark

Hubble Video
2 Decades
of Discovery

Light Pollution
Learn more about it.
More Info.

Astro Pictures
of the day. Daily
astro images.

Help us to further improve our
Outreach Educational Program!

Use Paypal to donate to the
TriState Astronomers.

We are a 501(c)(3) non-profit educational organization.

For NEW and RENEWING members. Use Paypal to pay
your annual dues.

Fill out membership form here.
You will then have a link to return here to complete payment.