Free Public Observing Night
May 10, 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.
For all 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 April 12, 2014 Night Sky for
Sun sets at 7:42 p.m. this night and is located in the constellation
Moon this April 12th is 94.52% lit. The Moon is in the
constellation Virgo. On the 14th to 15th there is a total lunar
eclipse Totality occurs at 3:06 a.m.. See: Eclipse
Click Moon to see
Visible for Public Observing evening sky
as public observing begins is high in the west southwest in the
constellation Gemini. About 10 degrees from Jupiter are the open
star cluster M-35,
is at it's brightest in six years as seen from Earth this week
shinning at 1.5 magnitude. Mars is rising inn the east this night located in the constellation
4Vesta and 1Ceres are about 12 degrees to the left of Mars visible
this night. These two asteroids are visible with binoculars.
is just starting to rise as public observing ends.
constellation of Leo the Lion hangs high overhead and just above
the eastern horizon is the constellation Virgo rising. The
constellation Gemini is high in the western sky. Below Gemini in
the west are the fading winter constellations Orion the Hunter,
Taurus the Bull and Canis Major with it's bight star Sirius
which is the brightest star visible for us from earth, not
counting our Sun. It takes 8.7 light years for light from Sirius to reach us,
it is one of the closer stars from us. 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.
April 12, 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