Free Public Observing Night
December 12, 2015
p.m. to 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
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
Public Observing Night Sky
page will update below late November
Sun sets at 4:51 p.m. and is located in the constellation Libra
Moon on November 14th has set on this evening at 7:27 p.m. and not visible
during public observing hours.
Visible for Public Observing
In the evening sky you
find Uranus and Neptune.
is visible at 7.9 magnitude located in Aquarius in the southwest
setting at 12:41 a.m.
is visible high in the southern sky at magnitude 5.7. Uranus is
located in the constellation Pisces.
the western evening sky are the setting summer constellations and in the east
the rising winter constellations. Low in the west is the summer
triangle consisting of the constellations Lyra, Aquila and Cygnus.
Above the triangle is Pegasus and left of Pegasus is Aquarius.
Overhead at 9 p.m. is Andromeda and Pisces. To the east is Aries
and below Aries is Taurus followed by Orion and Gemini. To the
northeast is Cassiopeia, Perseus and Auriga. Northwest is Cepheus
and Draco. Due north is The Little Dipper with Polaris the north
star. The Big Dipper is very low in the
northern evening sky after sunset. Using the Big
Dipper to find north. See: Finding
These are just some of the many constellations visible this
November 14, 2015 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