York County Astronomical Society, Inc. is a non-profit organization
dedicated to the advancement of the science of astronomy.
Society was started in 1989, and currently has about 70 members in 4
as well as in
The Society also has special programs to showcase eclipses, meteor
showers, comets, and other special events.
The Society operates The York Learning Center Planetarium bringing
astronomy to the public, presenting astronomical shows and related astronomy
programs of the night sky.
The Society hosts numerous groups for private star
parties, from Boy and Girl
Scout troops, church groups, school classes, and company groups. We also hold two “Introduction to Astronomy” classes each year.
Society hosts the annual Mason Dixon Star Party. A gathering of amateur
and professional astronomers promoting the science of astronomy.
The Society owns 5
research-grade telescopes, an 18” Dobsonian, 14” Dobsonian and a 12”
telescope, a 10" SCT telescope, a 4.5”
Newtonian telescope, a 4” Astro-Physics Refractor telescope. In addition
for loan to members, the Society owns two
8” Dobsonian telescopes, a Celestron
NexStar i 8 GoTo telescope with GPS and a Coronado PST solar telescope.
The Society also owns a 12’ dish antenna for radio astronomy, and
associated electronic recording equipment
information on events, scheduling a private party star watch, directions
to the observing site, or for general Society information
please email YCAS at: E-Mail
YCAS Membership applications are available upon request.
Formed in 1989, the non-profit York County Astronomical Society
aims to promote interest, public education, and advancement of
the science of astronomy. In addition to planetarium shows, the
society presents regular public sky watches and astronomy