- Eta Aquilae (stars.astro.illinois.edu)
ETA AQL (Eta Aquilae). Lying almost exactly one degree north of the celestial equator, this quite- wonderful mid-fourth magnitude (nominally 3.90) star in Aquila (the Eagle) glides across the sky just 8 degrees to the south of much brighter first magnitude Altair.
- Eta Aquilae (Wikipedia)
Eta Aquilae (η Aql, η Aquilae) is a multiple star in the equatorial constellation of Aquila, the eagle. It was once part of the former constellation Antinous. Its apparent visual magnitude varies between 3.49 and 4.3, making it one of the brighter members of Aquila. Based upon parallax measurements made by the Gaia spacecraft on its third data release (DR3), this star is located at a distance of roughly 272 parsecs (890 light-years). The primary component is a Classical Cepheid variable.