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Night Sky Guide August 2014

Tonight’s Sky August 2014 Your guide to constellations, deep-sky objects, planets and events, Highlights of the August Sky

Evening Planets

After sunset, Mars and Saturn dip toward the western horizon. Watch Saturn dance ever closer to Mars as the month progresses
On the evening of August 31st, look for a lovely triple conjunction as Mars, Saturn, and the crescent Moon share the same small patch of sky.

Constellations and Deep-Sky Objects

Stargazing on a hot August night reveals a multitude of wonders in the summer night sky.
Lyra, the Small Harp, lies high in the late evening sky. Its main star is the great Vega, one of the brightest in the sky.
Look for Lyra by locating Vega and then the parallelogram of stars nearby.
Epsilon Lyrae, the bright star near Vega, is actually a wonderful quadruple-star system, known as the Double-Double.
In the parallelogram of Lyra lies the dramatic Ring Nebula. It is an expanding shell of glowing gas expelled by the dying star at its center.
The great constellation Cygnus, the Swan, flies high through the August night.
Using bright Vega as your guide star, look for the cross just to the east. Cygnus is also known as the Northern Cross.
Albireo, at the head of the Swan, is a showpiece for small telescopes. This spectacular pair of stars features contrasting colors of sapphire and golden topaz.
Deneb, the Swan’s tail, is a supergiant star. If Deneb replaced the Sun in the center of our solar system, it would engulf Mercury and Venus.
On a clear night, hazy patches of nebulae can be seen by casually panning across the Cygnus area with binoculars.
The most prominent is the North America Nebula, an area of gas and dust illuminated by the nearby, brilliant star Deneb.
Cygnus also hosts several clusters of stars. The easiest to find are M29 and M39.
M29 is found near the center of the Northern Cross. When viewed in a small telescope, it resembles a small square.
Best seen in binoculars, M39 is a loosely bound cluster of about 30 stars, just to the north of Deneb.
Just south of Cygnus lies the small constellation Vulpecula, the Little Fox, first charted by Polish astronomer Johannes Hevelius in the 17th century.
Vulpecula hosts the Dumbbell Nebula, which can be seen as a faint smudge in binoculars. A small telescope reveals its double-lobed shape.
Aquila, the Eagle, was known to the ancient Greeks as the great bird of Zeus.
Altair, the brightest star in Aquila, is only 16 light-years from Earth.
The bright stars of the summer night sky, Vega, Altair, and Deneb, make up the Summer Triangle.
Use binoculars to look for the Coathanger, located halfway between Altair and Albireo. This remarkable little group of stars forms a familiar pattern from our point of view.

Morning Planets

During the middle of the month, Venus and Jupiter hover together above the eastern horizon, gracing the early morning sky before sunrise.
A telescope will provide a better view of the planets. Venus and Jupiter experience an extremely close conjunction on August 18th. Look for the tight pair in the early morning, before sunrise.


The Perseid meteor shower is an always-anticipated feature of the August night sky.
However, this year’s show may be impeded by the bright Moon.
Look for meteors during the early morning hours of August 12th and 13th.
These streaks of light are tiny bits of a comet burning up as they enter Earth’s atmosphere. The cometary debris trail, through which Earth passes once a year, was left behind by Comet Swift-Tuttle during its many visits to the inner solar system.
The night sky is always a celestial showcase. Explore its wonders from your own backyard.


Produced by the Space Telescope Science Institute, Office of Public Outreach
Starfield images created with Stellarium
Mythological constellation forms from Firmamentum Sobiescianum sive Uranographia by Johannes Hevelius, courtesy of the United States Naval Observatory
Mars image courtesy of Matt Wedel
Saturn image courtesy of John Endreson
Epsilon Lyrae (Double-Double) image copyright Damian Peach, www.damianpeach.com
Ring Nebula and Coathanger image courtesy of the MicroObservatory Robotic Telescope Network
Albireo image courtesy of Randy Brewer
North America Nebula image based on image courtesy of Daniel Mahoney, www.skyastro.com
M29 and M39 images courtesy of Tim Hunter and James McGaha
Dumbbell Nebula image courtesy of Chris Brankin
Venus image courtesy of Mario Weigand
Jupiter image courtesy of Todd Gross
Narrated by Nancy Calo
Music written by Jonn Serrie


Lucy Albert, Greg Bacon, John Bintz, John Godfrey, and Vanessa Thomas



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