Discover the Night Sky
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SCORPIUS

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Scorpius is a zodiac constellation located in the southern celestial hemisphere, between Libra and Sagittarius. It is near the center of the Milky Way, therefore it is rich in deep-sky objects. It was already known in the ancient times, especially its brightest star, Antares was important as the point of the autumnal equinox was near it in 3000 B.C. The constellation can be best seen in the southern hemisphere and near the equator as from the most parts of the northern hemisphere it stays near the horizon.

Due to its importance it was among the first four known zodiac constellations in ancient Mesopotamia. The Babylonians already identified this region as MUL.GIR.TAB - the 'Scorpion', however the shape of the constellation varied greatly throughout the centuries (sometimes the stars of Libra and Corona Australis were attached to it as well).
The constellation had a prominent role in the Greek mythology, and several myths were associated with it. According to one version, Orion threatened the goddess Artemis that he would kill every animal on Earth. The insulted Artemis and her mother, Leto sent a scorpion to kill Orion. Their battle caught the attention of Zeus, who raised both combatants to the sky as constellations.

Scorpius
Chart created with Stellarium 0.18.2

Most notable stars and deep-sky objects


Antareseyecamera
Antares is the brightest star of the constellation, also called "Cor Scorpionis", the heart of the scorpion by the ancient Romans. Distinctly reddish when viewed with the naked eye, Antares is a supergiant, one billion kilometers in diameter and with a surface brightness 11.000 times bigger than that of the Sun. It is 600 light years away from Earth and is actually a binary star system. It illuminates the foreground parts of the famous Rho Ophiuchi cloud complex which makes its surroundings an exciting target for astrophotographers.


M6 (Butterfly Cluster)eyebinocular

M6 (sometimes also called Butterfly Cluster) is an open cluster, which derives its name from the resemblance of its shape to a butterfly when observed though a telescope. The cluster is about 1.590 light years from Earth, and contains about 120 identified members.


M7 (Ptolemy's Cluster)eyebinocular
M7 is a bright open cluster about 1.000 light years away. It was already known in ancient times, first recorded by the 2nd-century astronomer, Ptolemy. It is easily detectable with the naked eye from under dark skies due to its brightness but it is a truly beautiful sight, when observed through binoculars.


M4 (Crab Globular Cluster) binoculartelescope
M4 is a globular cluster, one of the easiest globular clusters to find as it lies near Antares. It has about the same size as the Moon in the sky, so it can be spotted with binoculars but already medium-sized telescopes will begin to resolve individual stars.


Legend:

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Visible with the naked eye
binocular
Visible with binoculars
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Visible with telescope
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Popular target for astrophotography