Meleph
HR 3429 · HIP 42556 · ε Cnc
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 6.29 mag
- Parallax
- 5.56 mas → about 586.6 light-years away
- Spectral type
- Am
- Right ascension
- 130.1125°
- Declination
- 19.5448°
- Designation
- HR 3429
- Bayer designation
- ε Cnc
- HIP number
- 42556
- IAU name adopted
- 2017-09-05
- Name language
- Arabic
- Name origin (IAU)
- Bayer (1603) quotes Arabic designations Melleff and Meeleph for this star (among others) which was adopted by other astronomers (e.g. Riccioli) and goes back to the Arabic term Al Ma'laf, The Stall (a variant of the Greek Manger).
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 587 years to reach Earth — the light you see tonight left around AD 1439 (official distance ÷ speed of light).
- At magnitude 6.3 it is fainter than the naked-eye limit (about 6) — you need binoculars or a telescope.
- Declination 19.5° — 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.