YLC Planetarium Childrens Shows

The York County Astronomical Society, celebrating 20 years offering planetarium programs to the public, now offering Saturday afternoon and evening programs at the York Learning Center Planetarium. Saturday, April 18, 2026 2:00PM - One World, One Sky: Big Bird’s Adventure (pre-K to 1st grade) 2:40PM - StarWatch 3:20PM - Rusty Rocket’s Last Blast (4th to 7th grade) The planetarium is located in the York Learning Center at 301 East 6th Avenue, York PA. ...

Radio Telescope

WELCOME TO THE YCAS RADIO OBSERVATORY OUR 3 METER RADIO TELESCOPE IS OPERATIONAL FIRST LIGHT: in the early morning hours on October 31st 2024 we achieved first light. Observing in the spectral mode we captured some very nice concentrated areas of neutral hydrogen in the region of Orion. The three peaks you see in this spectrograph are three arms of our Milky Way galaxy! OPERATIONAL BUT NOT COMPLETE: although operational there’s still much work to be done to complete the project from mechanical and software upgrades to final touches in the control room. ...