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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
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

A beautiful day for TSA Outreach at a past event in Boonsboro, MD.

Future Outreach Events

Coming Up!

What:     Color Me Spring 
Where:   Middletown Park, Middletown, MD 
When:    10:00AM until 5:00PM on Saturday, May 18, 2019 
Show me a MAP 

Next Club Meeting - May 15, 2019 - 7:00 pm. at the
Wm. Brish Planetarium.
Our speaker is Dr. David Simpson from the Goddard Space Flight Center.

6:30 pm to 7:00 pm - Doors open for informal discussion in the planetarium along with refreshments. A planetarium show will begin in the planetarium at approximately 6:35 pm.
7:00 pm – Presentation begins! Our speaker is Dr. David Simpson from the Goddard Space Flight Center.

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

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.