Free Public Observing Night
August 8, 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
Sun sets at 8:13 p.m. and is located in the constellation Cancer
Moon on August 8 does not rise until 1:01 a.m. and is not visible for public observing.
It is located in the constellation Taurus "The Bull".
452b is not visible even in the largest telescopes but YCAS
astronomers can point to the location of where the new Earth like
planet is located in the constellation Cygnus.
in Leo "The Lion" is
visible low in the west right after sunset.
is in the constellation Leo "The Lion" very low in the west
setting around 8:51 p.m. almost lost in the Suns glow.
is visible low in the southwest evening sky in the constellation Libra
"The Scales" just to the right and above the head of Scorpius
Saturn sets at 12:44. Check out Saturn's
in Aquarius is rising in the east as public observing ends.
rises around midnight.
and Mars are too close to the Sun to observe.
summer constellations are now visible rising in the August evening sky
as twilight falls. Pegasus "The Winged Horse" is rising in the east
along with Andromeda "The Princess of Ethiopia" and Aquarius
Water Carrier". The Summer Triangle is rising in the
southeastern evening sky. The triangle is formed by bright stars
Vega in 'Lyra the Harp", Deneb in "Cygnus the Swan"
and Altair in "Aquila the Eagle". The Summer Triangle is
located rising in the eastern sky.
Hercules the Son of Jupiter is overhead by 9:00 p.m. In the lower
south is visible Scorpius "The Scorpion", Sagittarius
"The Archer", and Capricornus "The Goat". The Big Dipper is
low in the northwest sky as evening twilight ends. Using the Big
Dipper to find north. See: Finding
These are just a few of the many constellations visible this
are many Galaxies and Globular clusters of star to be viewed this
night and one of the best is Messier
Great Globular Cluster in Hercules which is high in the sky this
night. Another treat is Messier
92 only 9
degrees away from M-13 which is another Globular cluster. Swinging
the telescope from the constellation Hercules is Messier
57 about 21
degrees above Messier 92. This is a Planetary nebulae, it looks
like a small smoke ring in space which was caused by the central
star exploding and the star is still visible through a large
telescope if seeing is very good. The sky this night is full of
many many more wonderful objects than listed above to see and we
hope to see you at the observatory.
August 8, 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