Eltanin
HR 6705 · HIP 87833 · γ Dra
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 2.23 mag
- Parallax
- 21.14 mas → about 154.3 light-years away
- Spectral type
- K5III
- Right ascension
- 269.1515°
- Declination
- 51.4889°
- Designation
- HR 6705
- Bayer designation
- γ Dra
- HIP number
- 87833
- IAU name adopted
- 2016-08-21
- Name language
- Arabic
- Name origin (IAU)
- Applied in Early Modern times from the Arabic constellation name al-tinnīn, “the serpent”, for Draco.
Source:IAU Working Group on Star Names · checked 2026-11-02 ↗ESA Hipparcos Catalogue (ESA Gaia Archive) · checked 2026-11-03 ↗
Related
Constellation
In everyday life
- Light from this object takes about 154 years to reach Earth — the light you see tonight left around AD 1872 (official distance ÷ speed of light).
- At magnitude 2.2 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination 51.5° — it rises above the horizon in Seoul (37.6° N), so it is visible from Korea in the right season.
Worked out from this object's official values.