An Astronomers Dream in Your Own Backyard


Muddy Run Park, an Exelon Generation Co. LLC property, in Holtwood, PA is an astronomers dream in your own backyard. Muddy Run Observatory is a public outreach facility featuring astronomy and STEM education. Offering free monthly public events and private nights for members. Check our events page for the most up-to-date information.

Muddy Run Observatory and Educational Programming a joint-partnership between:
Rittenhouse Astronomical Society
Harford County Astronomical Society
Astronomy Enthusiasts of Lancaster County


Join us for our Fifth Annual Stargazing Event at Muddy Run!
October 19, starting at 6:00 P.M.

Featuring Bob Black, owner of Skies Unlimited in Pottstown. Our favorite local astronomy retailer.

**Telescope Giveaway** The winners will be chosen based on the judge’s view of who submitted the best answer to the question: How would my life be different if the telescope were never invented?

Bob will have a live show and tell demonstration all about what to look for in purchasing a telescope.

We will also have some great information and items from telescope maker Celestron. These will be free until we run out, so get in early!

6:00 PM - Doors Open
6:00 PM- 8:00PM - Contest Entries Submitted & Universe Hall Open
7:00 PM - Night Sky Presentations by Rittenhouse Astronomical Society
8:00 PM - Telescope Basics and Purchasing presentation by Bob Black of Skies Unlimited
8:30 PM - Telescope giveaway winners announced
8:45 PM - Night sky and telescope viewing on the plaza and in the observatory domes


Find out what we are all about!