Observatory site photo taken by Phil Harrington.


Our Observatory...

The Oil Region Astronomical Observatory was constructed over a three year period by members of the Oil Region Astronomical Society and local volunteers. The observatory is located in Venango County Pennsylvania within Two Mile Run County Park.  The unique building houses an 14 inch Meade SCT, one of the largest telescope available for public use in Northwestern Pennsylvania. A small ready room is attached to the 20 foot diameter observatory.  A specially designed rotating roof rolls open 10 feet to allow astronomical viewing by the telecscope, as well as spectators. Major contributors


Directions to the observatory...

How to find us...

The Oil Region Astronomical Observatory is located in Venango County’s picturesque Two Mile Run Park & Justus Lake. The observatory is located in the Lockwood area of the park and is only a short drive from Oil City, Franklin or Titusville in the heart of Pennsylvania’s Oil Country.

From Franklin: Take PA Route 417 north approximately 3 miles to the Y - intersection with Cherrytree Road. Veer right onto Cherrytree Road and drive approximately 3.5 miles. Lockwood and the observatory entrance are on your right.

From Oil City: Take PA Route 428 North 5.6 miles to Cherrytree Road. Take a left onto Cherrytree and proceed west through the park. The entrance to Lockwood and observatory will be on your left, approximately two miles past the park office.

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aerial view
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map view
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Road map

Call: 814-437-2525 - Observatory Phone




At a glance, the Clear Sky Clock shows when it will be cloudy or clear for up to the next two days. It's a prediction of when Oil Region Astronomical Society Observatory, Pennsylvania, will have good weather for astronomical observing. Click on "HELP" in the lower right hand corner of the Clear Sky Clock for information on how to read the chart.

The forecast data for the above image comes from those very cool guys at the
Canadian Meteorological Center. They run three computer weather simulations every twelve hours. The output looks just like satellite pictures, but the dates are from the future. To see them, click on the 'cloud', 'tran' or 'seeing' blocks blocks above.


Here are some photos of our observatory while it was under construction...