Its story
21 Aql has a visual magnitude of about 5.11: under a reasonably dark sky it is typically reachable with the unaided eye.
Equatorial coordinates for 21 Aql: right ascension 19h 13m 43s, declination +2° 17′ 37″ (J2000), in the region of the Aquila constellation (IAU figure Aql).
21 Aql. It appears in classical and modern catalogs as HIP 94477, HD 179761, Gaia DR3 4267953429183603200. In the SkyKeepsake Aquila (Aql) browse hub it sits with other stars of the same IAU figure.
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Compose this starFactsHIP 94477
- Right ascension
- 19h 13m 43s
- Declination
- +2° 17′ 37″
- Magnitude
- 5.11
- Distance
- ≈ 683 ly
Data: gaia-dr3