Public Observing February
p.m. to 9:00 p.m.
Rudy Park, York, PA. Observatory
will be an Astronomy Program in the Observatory if cloudy.
York County Astronomical Society, Inc. is a non-profit organization
dedicated to the advancement of the science of astronomy.
YCAS STARWATCH: We will be starting at the new time, 7pm through the winter months till March when we go back on Daylight savings. Come out to look through the telescope at stars, star clusters, nebula, and the
Andromeda galaxy while we laser point in the sky the constellations they reside in. Have some hot chocolate and cookies.
observing activities at John Rudy Park, if the weather is questionable, please check our voice message at
717 759 YCAS (9227)
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 changed to an astronomical
presentation in observatory.
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
Sun on February 10, 2018 rises at 7:06 a.m. and sets at 5:37 p.m..
Located in the constellation Capricornus.
Click on Moon to
Crescent Moon does not rise until around 3:30 a.m. in the constellation
Visible for February Public Observing Night
is located in Pisces and sets at 10:51 pm.. At around 7:00 pm it
is visible about 40 degrees above the western horizon.
for 8:00 P.M.
Dipper is low in the northeastern horizon. To the left of the Big Dipper is the Little Dipper which
contains Polaris the north star. See How to use the Big
Dipper to find Polaris the north star. See: Finding
In the north is the Little Dipper, Cassiopeia lies to the left and
slightly above the Little Dipper. Andromeda "the Princess of
Ethiopia" is to the left of Andromeda containing M-31
(the Andromeda Spiral) galaxy.
Almost overhead is the constellations Gemini "the Twins".
"the Hunter" is located high in the southeast sky. Above Orion is the constellation Taurus
"the Bull". Above almost overhead of Taurus is the
constellation Auriga :the Charioteer".
These are just a few of the many constellations visible this
night. The Winter Circle
sometimes called the Winter Hexagon is high over head. The
winter Circle is an asterism, a grouping of bright stars in the winter night.
The Winter Circle, consists of Orion’s bright red star Betelgeuse. Rigel,
in Aldebaran, Capella, in Procyon, in Sirius, and Castor and Pollux
in Gemini. See: Earth
Sky Winter Circle.
February 10, 2018 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