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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
Bright Comets
Messier Club
Lunar Lunatics Club
Magnitude Explained
Track Jupiter's Moons

Satellite Flybys

What are Iridium Flares?
Your Sky

Top 10 Very Red Stars

TriState Astronomers

Promote Your Page Tooo

Outreach Event
What:     Boonesborough Days (Saturday & Sunday)
Where:   Shafer Park, Boonsboro, MD
When:    9:00AM until 5:00PM, September 12-13, 2015

This is one of our largest daytime events of the year. Anticipated guest count is 600 or more each day. Please consider participating in this event while also enjoying the craft fair.

Other Events

Next Club Meeting - September 16, 2015 - 7:00 pm

Our regular monthly meetings at the planetarium will return in September. Anyone with an interest in astronomy is welcome.

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.