Frequently Asked Questions Listed below are the most common questions people have about the Chester County Astronomical Society. If the answer to your question does not appear below, please contact us. What are the benefits of joining the Society? Where does the Society meet? How often are the meetings held? Does the Society hold observing sessions? Do I have to own a telescope to participate? Will the Society do an observing session for our scout troop/elementary school/high school/civic organization, etc.? Can I rent a telescope from the Society? What is the Astronomical League and what are its benefits?