Technical Resources Here are links to websites covering a variety of astronomy-related subjects. Tools and Equipment David Paul Green's Free Astronomy Software Site Telescopeguide.org Skies Unimited Your Sky Planetarium.net Orion Telescopes Scope City Pentax Tele Vue Optics Vixen William Optics Starry Night Lights Observatories & Planetariums The Widener University Observatory Peter van de Kamp Observatory at Swarthmore College Fels Planetarium Henry Buhl, Jr. Planetarium & Observatory Hayden Planetarium Mt. Palomar Observatory Broadcast Networks & Programs Discovery Channel The History Channel NASA Television Nova The Science Channel Periodicals & Publications Astronomy Magazine Sky & Telescope Magazine Astronomy Now Magazine The Astronomer (Online) State & National Organizations The Planetary Society Pennsylvania Outdoor Lighting Council International Dark-Sky Association For the Kids The Space Place Sally Ride Science StarChild Society for Science Eyes on the Sky, Feet on the Ground Space.com Federation of Galaxy Explorers Your local public library is also a good resource for astronomical information.