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
COMING FOR AUGUST TO BE ANNOUNCED BELOW
you arrive at 8:00 p.m. you may catch a glimpse of the sun through YCAS solar
telescope just before the sun sets. The
Sun June 13th is in the constellation Taurus the Bull, the Sun sets at
Moon on June 13th is not visible for public observing rising at
3:35 a.m. in the morning, it is located in the constellation
Visible for Public Observing evening sky
shines brightly about 10 degrees below Jupiter in the constellation
Cancer in the west
setting around 11:38 p.m. Venus appears only 00°55'12" from M-44
the Beehive open star cluster. 'Venus shows a disk with a phase of
planets Venus and Jupiter will converge over the course of the
next few weeks, spending a week less than a degree apart from each
other after a spectacular close conjunction on the evening of June
30th when the two planet appear only 20 arcminutes and 37
arcseconds of a degree apart!
is in the west about 10 degrees above Venus. Jupiter is in the constellation
Leo the Lion setting around midnight. Four of Jupiter's Moons are visible as
public observing begins. Ganymede and Callisto will appear close
together at a separation of 9" arcseconds apart at 8:30 at
9:00 a 10" separation. In comparison the disk of Jupiter is
33" arcseconds across. See below image of Jupiter's Moons at
is visible low in the southeast evening sky in the constellation Libra
the Scales just above Scorpius the scorpion. Check out Saturn's
Q2 Lovejoy appears as a faint fuzzy star around 8.8 magnitude that is located in the constellation
Ursa Minor (The Little Dipper) about 8 degrees from Polaris the pole star.
For those of you who wish to look for this comet with goto
telescopes, at 9:00 p.m. go to RA: 14h 49m 26.359s Dec: +82°27'13.629".
At 9:30, RA: 14h 47m 28s Dec: +82°24'20".
spring-summer constellations are now visible rising in the June evening sky
as twilight falls. Gemini is low in the west. Leo the Lion is
visible above Gemini. High overhead is the constellations Bootes and
below Bootes is Virgo, Libra rising behind them. Also in the east
is Hercules, Cygnus, Lyra and just rising in the south is the
summer constellation of Scorpius and Aquila. The Big Dipper is
high in the northwest sky as evening twilight ends. Using the Big
Dipper to find north. See: Finding
June 13, 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