| Name: | Central Pennsylvania Observers |
| Address: | P.O. Box 947, State College, PA 16801 USA |
| Contact: | Carol Tancibok - President |
| Phone: | -- |
| Email: | president06@cpoclub.org |
| URL: | |
| Members: | 50+ members |
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| Name: | Chautauqua and Erie Astronomical Society |
| Address: | Mercyhurst College, 16 W. Division St., Northeast, PA 16428 USA |
| Contact: | Dan Hatton |
| Phone: | 716-252-6565 |
| Email: | |
| URL: | |
| Members: | 30 members |
|
| Name: | Chesmont Astronomical Society |
| Address: | Great Valley Nature Center RT.29 , Phoenixville, PA USA |
| Contact: | Karl Krasley |
| Phone: | 610-495-0867 |
| Email: | chesmontastro@comcast.net |
| URL: | |
| Members: | |
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| Name: | Chester County Astronomical Society |
| Address: | 106 Afton Way, West Chester, PA 19380 |
| Contact: | Kathy Buczynski |
| Phone: | (610) 436-0821 |
| Email: | president@ccas.us or kbuczynski@comcast.net |
| URL: | |
| Members: | 60 |
|
| Name: | Delaware Valley Amateur Astronomers |
| Address: | P. O. Box 662, Kimberton, PA 19442-0662 USA |
| Contact: | Marilyn Michalski |
| Phone: | 610-933-0497 |
| Email: | marilynm@access1.net |
| URL: | |
| Members: | 180 members |
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| Name: | Erie County Mobile Observers Group |
| Address: | 5840 Georgetown Drive, Erie, PA 16509 USA |
| Contact: | Tom Whiting |
| Phone: | 814-864-9203 |
| Email: | bwhiting@velocity.net |
| URL: | |
| Members: | 50 members |
|
| Name: | Greater Hazleton Area Astronomical Society |
| Address: | P.O. Box 1032, Conyngham, PA 18219 USA |
| Contact: | Gary J. Honis |
| Phone: | 717-788-3446 |
| Email: | ghonis@epix.net |
| URL: | |
| Members: | 70 members |
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| Name: | Keystone Oaks High School Astronomy Club |
| Address: | 1000 Kelton Ave., Pittsburgh, PA 15216 USA |
| Contact: | C.J. Rodkey |
| Phone: | 412-571-6042 412-571-6048 |
| Email: | rodkey@kosd.org |
| URL: | |
| Members: | |
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| Name: | Kiski Astronomers |
| Address: | 112 Old Pike Lane, Cabot, PA 16023 USA |
| Contact: | John Labrecque |
| Phone: | 724-352-3907 |
| Email: | |
| URL: | |
| Members: | 25 members |
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| Name: | L5 Society of Philadelphia |
| Address: | 1825 Flintlock Circle, Lansdale, PA 19446 USA |
| Contact: | Jay B. Haines |
| Phone: | 215-855-7130 |
| Email: | |
| URL: | |
| Members: | |
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