Public Observing May 14, 2016
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
Sun sets at 8:15 p.m. and is located in the constellation Taurus
moon is high in the south southwest and is at phase 63.15% lit.
The moon is in the constellation
Taurus the Bull and the planet Jupiter is only 04°25'42" to the
upper left of the moon.
The moon sets at 2:16 am.
Visible for Public Observing
UPDATE BELOW FOR MAY 14 TO
BE POSTED IN MAY
Image above of
Jupiter taken by YCAS member Mike Wenz
Jupiter the fifth planet from the Sun
is the largest planet in the Solar System. It has a mass one-thousandth that of the
is in the southeast on this night located in the constellation Leo the
Lion. Jupiter is the brightest object in the this evening. Jupiter
sets at 5:28 am. Observe four of Jupiter's moons. See below image
of the planet Jupiter and moons as they will appear through a
small telescope at 9:00 pm. on April 9th.
in the southeast is an early spring constellation Leo the Lion.
Overhead shine the stars of Gemini the Twins. In the southwest is
Orion and Canis Major the Great Dog with its bright star Sirius. In the
north is The Little Dipper with Polaris the north
star. The Big Dipper is northeastern evening sky as public
observing begins. See How to use the Big
Dipper to find Polaris the north star. See: Finding
These are just some of the many constellations visible this
April 9, 2016 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