Star lore
Aquila
Direct answer
Aquila is an equatorial Milky Way constellation representing an eagle and centered on the bright star Altair.
Aquila is the eagle constellation whose brightest star, Altair, anchors the Summer Triangle.
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At a glance
- Found in
- Constellations & Star Lore
- Related
- Apus, Aquarius Constellation, Ara, Aries Constellation
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The story behind Aquila
Aquila was one of Ptolemy's 48 constellations and has long been pictured as a celestial eagle.
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Why Aquila matters
Aquila’s position along the Milky Way makes it useful for seasonal orientation and rich-field binocular observing.
How to read Aquila
Start at Altair, recognize its two flanking stars, then trace the constellation north and south along the Milky Way.
Aquila in practice: an example
Altair, Deneb, and Vega form the Summer Triangle, placing Aquila at one corner of a much larger asterism.
Where readings of Aquila go wrong
The Summer Triangle is an asterism crossing three constellations, not another name for Aquila.
Sources and editorial method
Research references used for this entry include:
- International Astronomical Union: The Constellations - Official names, abbreviations, and boundaries for the 88 modern constellations.
- NASA Space Place: What Are Constellations? - NASA introduction to constellation regions, patterns, visibility, and seasonal sky changes.
- Source
- The Great Almanac Dictionary
- Category
- Constellations & Star Lore
- Last updated
- 2026-09-26
Fly from Altair along the Milky Way
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Common questions
What is Aquila?
Aquila is an equatorial Milky Way constellation representing an eagle and centered on the bright star Altair.
What do people get wrong about Aquila?
The Summer Triangle is an asterism crossing three constellations, not another name for Aquila.
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