September 10, 2016
p.m. to 10:00 p.m.
Rudy Park, York, PA. Observatory
will be an Astronomy Program in the Observatory August 13th if cloudy.
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 changed to an astronomical presentation.
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 September 10, 2016 Public Observing Night Sky
Sun sets at 7:23 p.m. and is located in the constellation Virgo.
evening sky finds the Moon in the south
in the constellation Sagittarius and is at phase 63.91% lit. The Moon sets at
12:05 a.m.. See: Moon
is visible in the south southwest after sunset located in the constellation
Ophiuchus. Mars sets at 11:28 p.m.
will show you the beautiful rings of Saturn. Saturn
the ringed planet is located in the south in
the constellation Ophiuchus.
Saturn appears as a pale yellow glow compared to the color of the background
of stars. Saturn sets at 11:11 p.m..
Summer Triangle can be seen overhead in the evening September sky.
The stars consisting of the constellations Lyra with its
bright star Vega, Cygnus with its bright star Deneb and Aquila
with bright star Altair make up the Summer Triangle. Low
in the southeast is Scorpius. In the
north is the Big Dipper low in the northwest. to the left of the Little Dipper which
contains Polaris the north
star. See How to use the Big
Dipper to find Polaris the north star. See: Finding
These are just a few of the many constellations visible this
View the September
10, 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