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AQUILA

     Aquila is a stellar constellation. Its name is Latin for 'eagle' and it is commonly represented as such. In mythology, Aquila was owned by the Roman god Jupiter and performed many tasks for him.

        Aquila lies just a few degrees North of the celestial equator. The alpha star, Altair, is a vertex of the Summer Triangle asterism. The constellation is best seen in the summer as it is located along the Milky Way. Because of this location along the line of our galaxy, many clusters and nebulae are found within its borders, but they are dim and there are few galaxies.
     Aquila was one of the 48 constellations described by the 2nd century astronomer Ptolemy. It had been earlier mentioned by Eudoxus in the 4th century BC and Aratus in the 3rd century BC. It is now one of the 88 constellations defined by the International Astronomical Union. The constellation was also known as Vultur volans (the flying vulture) to the Romans, not to be confused with Vultur cadens which was their name for Lyra.

     Ptolemy catalogued nineteen stars jointly in this constellation and in the now obsolete constellation of Antinous, which was named in the reign of the emperor Hadrian (AD 117–138), but sometimes erroneously attributed to Tycho Brahe, who catalogued twelve stars in Aquila and seven in Antinous. Hevelius determined twenty-three stars in the first and nineteen in the second.
      The Greek Aquila is probably based on the Babylonian constellation of the Eagle (MUL.A.MUSHEN), which is located in the same area as the Greek constellation.

Aquila
Constellation
Aquila
List of stars in Aquila
Abbreviation Aql
Genitive Aquilae
Pronunciation /ˈækwɨlə/ Áquila, occasionally /əˈkwɪlə/; genitive /ˈækwɨliː/
Symbolism the Eagle
Right ascension 20 h
Declination +5°
Quadrant NQ4
Area 652 sq. deg. (22nd)
Main stars 8
Bayer/Flamsteed
stars
65
Stars with planets 7
Stars brighter than 3.00m 3
Stars within 10.00 pc (32.62 ly) 2
Brightest star Altair (α Aql) (0.77m)
Nearest star Altair (α Aql)
(16.77 ly, 5.13 pc)
Messier objects 0
Meteor showers June Aquilids
Epsilon Aquilids
Bordering
constellations
Sagitta
Hercules
Ophiuchus
Serpens Cauda
Scutum
Sagittarius
Capricornus
Aquarius
Delphinus
Visible at latitudes between +90° and −75°.
Best visible at 21:00 (9 p.m.) during the month of August


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