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Orionid Meteor Shower – Constellations and Deep-Sky Objects / October Night Sky Show
In 2016, the Orionid meteor shower will be visible from October 2 to November 7. The shower is expected to peak on the night of October 20 and early morning of October 21.
Orionids tend to be active every year in the month of October, usually peaking around October 20. At its peak, up to 20 meteors are visible every hour. The best time to view the Orionids is just after midnight and right before dusk.
Constellations and Deep-Sky Objects. Pegasus, the great winged horse of Greek mythology, prances across the autumn night sky. His body is denoted by a large area of stars known as the “Great Square.”
Pegasus hosts 51-Pegasi, the first Sun-like star known to have an extrasolar planet.
The brightest corner of the Great Square, Alpheratz, is also the brightest star in the constellation Andromeda. In Greek mythology, this princess was chained to a rock near the sea to appease a sea monster.
Within Andromeda’s boundaries, look for M31, the Andromeda Galaxy, an island of billions of stars. On a clear, dark night it appears as a faint smudge of light.
Approximately 2.5 million light-years away, M31 is the closest spiral galaxy to our own Milky Way Galaxy and the most distant object you can see with your eyes alone. Binoculars and small telescopes reveal M31’s glowing nucleus and spiral arms.
A smaller companion galaxy, M110, appears as a faint spot near the large galaxy. The Andromeda Galaxy is slowly pulling in, and will eventually consume, another one of its small companion galaxies, M32.
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Sources:
https://www.timeanddate.com/astronomy…
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http://earthsky.org/astronomy-essenti…
