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Asterisms
 


Constellation
Orion - The Hunter

The following demonstrates the flexibility of TheSky astronomy software.   There are many ways to represent the constellations. 5 examples in this case.  Which is correct?  They are all correct because there are no standard constellation lines.  To that end TheSky supplies several different version or depictions of the constellations.  See below.  You can choose what you like Or, just draw your own!

TheSky characture drawing for Orion

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Default Constellation Drawing

TheSky Astronomy Software

Constellations - Levy version

TheSky Astronomy Software

Constellations- Sir Patrick Moore version

TheSky Astronomy Software

Astronomy Magazine's version

used by TheSky on-line star charts

No lines plotted just the boundaries

Not all stars displayed for clarity

Constellation Data

Object name: Orion
Equatorial: RA: 05h 35m 42s   Dec: +04°35'16"(current)
Equatorial 2000: RA: 05h 35m 24s   Dec: +04°34'48"
Source catalog: Sky Database: Constellation
Abbreviation: Ori
Constellation: Genitive Form: Orionis
Description: Orion, the Hunter
Remarks: Pronunciation:  oh RY' uhn
Genitive Pronunciation:  OH' rih OH' nis

Mythology

Orion - The hunter

Orion is one of the oldest constellations recognized by the ancient Greeks and also one of the most prominent and easy to identify constellations in the night sky.  Its' many very bright stars are easily recognizable to observers in the northern hemisphere during the winter months and to the observers in the southern hemisphere where they see him in the summer months.  The constellation was created by the Sumerians and it is thought to be created based on their hero Gilgamesh, who was much like Hercules.  Gilgamesh is famous for his historic battle with "The Bull of Heaven" now depicted in the nearby constellation Taurus the Bull.

 

According to Greek mythology, Orion the Hunter was the son of the sea god Poseidon and the Princess Euryale - daughter of Minos and the King of Crete. Orion wields a powerful bronze club which is also prominently depicted in the constellation.  The constellations Canes Major (the big dog) and Canes Minor (the smaller dog) being the hunter's dogs.  The two dogs are now found trailing behind Orion chasing a rabbit as found in the constellation Lepus.

 

Legend has it that Orion attempts to win the affection of Merope, the daughter of Oenopion - King of Chios where "Oinopion" is translated into the "wine-man," and he was the son of Dionysus.  Merope is one of the Seven Sisters found in the asterism the Pleiades, also known as the "sailing sisters".

 

After much effort and no success in winning over Merope, Orion gets drunk (or was made to become drunk by the King) he then takes advantage of Merope or has is way with her.  Furious King Oenopion gouges out Orion's eyes blinding him.  The King then banishes Orion to the sea forever.

 

An Oracle had told Orion (or it may have been common knowledge) that his eyesight could be restored by the healing rays of the sun god Helios as found in the land of Colchis.  Traveling with a young man given to him by Hephaestus in the land of Eos, Orion with the boy riding on his shoulders as a guide makes his way safely toward the sunrise in Colchis whereby he regains his eyesight just as the Oracle had said he would.

 

In the land of Colchis Orion falls in love with Artemis and in any case it is generally accepted that Artemis is actually responsible for Orion's death.  After bragging that he (Orion) could kill any and all animals on Earth, Orion ironically dies from the sting of a scorpion, depicted as the constellation Scorpius.  Or more generally accepted the scorpion was sent to kill Orion by the Earth Goddess Demeter, from Greek Mythology, who had heard of his boasting.  Orion narrowly escapes the sting of the scorpion finding refuge in the nearby sea. 

 

While off the shoreline in the sea, Apollo the twin brother of Artemis, convinces her to display her skill with the bow by shooting an arrow at the distant object bobbing up and down in the water.  Unknowingly, Artemis shoots an arrow at the object and hits Orion in the head killing him with her arrow.  The reason for Apollo pulling the deadly con is he did not approve of the marriage between his sister the goddess Artemis and the mere mortal Orion since he himself was not a God.

 

After Artemis begged the God Zeus to bring Orion back to life it was finally decided that Orion would be placed safely in the sky far from the scorpion's sting.  And there today just as Orion is setting in the west soon after Scorpius is rising in the east.
 

Objects Of Interest

The constellation Orion contains the Great Nebula located in his sword.  The Great Nebula contains the heart of the four stars making up the Trapezium asterismOrion also contains the famous Horse Head nebula located below the eastern most belt star Alnitak - Zeta Orionis.  Orion is host to many interesting non-stellar objects.  Also note the Witch Head Nebula to the right.

Screen shot from TheSky

Click on for Animation Splitting the Trapezium
TheSky Astronomy Software