Free Public Observing Night
December 13, 2014
till 10:00 p.m.
Rudy Park, York, PA. Observatory
York County Astronomical Society, Inc. is a non-profit organization
dedicated to the advancement of the science of astronomy.
Expand your mind by taking in the expanse of the universe.
Come and view the night skies with us through one of our telescopes and let our experienced
members guide you on a tour of celestial wonders, including stars, planets,
nebulae, and the moon. You are also invited to bring your own telescope and
share your experiences with other amateur astronomers. Star Charts are available to help your exploration of the nighttime sky.
observing activities at John Rudy Park, if the weather is questionable, please check our voice message at 717-578-9109 for notice of any late cancellation or for an updated
status, check this website.
Observatory See: Directions
If it is clear or mostly clear, the activity will
occur as scheduled. If it is completely cloudy, raining or snowing, the activity will be cancelled.
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
The December 13, 2014 Night Sky for
Sun sets at 6:33 p.m.
Visible for Public Observing evening sky
FOR OCTOBER BELOW COMING SOON
constellation Scorpius the Scorpion low in the southwest at dusk.
Mars sets at 10:11 p.m.
softly in evening twilight low in the west-southwest in the
constellation Libra the Scales setting at 9:53 p.m.
Comet C/2014 E2 (Jacques)
is fading but still visible in small telescopes. The comet this
night is in Cygnus the Swan with an Angular separation 01°34'47.566"
from the star Alberio in Cygnus. The comet is 04°37'06" Angular separation
from open star cluster M-56.
The summer constellations are
rising in the eastern sky now. with stars of summer Vega, Deneb, and Altair
which form the distinctive asterism known as the Summer Triangle.
constellation Pisces, Andromeda, Pegasus and Aquarius are rising
in the east. Constellations Lyra, Cygnus and Aquila and their
three bright stars Vega, Deneb and Altair shine high overhead
forming the Summer Triangle. Hercules, the Son of Jupiter is just
past meridian is overhead and in the south west is Libra and
Scorpius. In the northern sky are the
constellations Ursa Major (Big Dipper) and Ursa Minor (Little
Dipper) with the north star Polaris. It takes light from Polaris
390 light years to reach us.
September13, 2014 Night Sky Below
a memorable tour with members of the York County Astronomical Society of
Galaxies, planets, the moon and the constellations of the night sky.
and Constellations Astronomical Pronunciation Guide
the Wonders of your Universe
Picture of the Day
Our sun is almost one million miles in diameter and a million earths would fit in it.
It takes light eight minutes to reach us from the sun.
The last star shown in video is VY Canis Majoris which takes light about 5000 years to reach us
that is light traveling at 186,000 miles per second x 60 seconds
in a minute x 60 minutes in an hour x 365 days in a year x 5000 years.
VY Canis Majoris is (almost 2 billion ) 1.7 billion miles in diameter.
POLLUTION OF OUR NIGHT SKIES
What does light pollution look like?
What does your nighttime sky look like? Try this fun interactive game to see how light
pollution affects the stars you see at night:
Dark Sky Association
Weather and Directions