Arabic star names / Alderamin
Alderamin
الذراع اليمين
Alderamin comes from the Arabic الذراع اليمين (al-Dhirāʿ al-Yamīn), which means “the right arm”. It is the 90th-brightest star in the sky, in Cepheus.
- Brightness
- 2.45
- Colour
- white
- Constellation
- Cepheus
- Best seen
- September evenings
- Right ascension
- 21h 19m
- Declination
- +62° 35′
The name
The right arm of Cepheus, the king. Thousands of years from now it will be the pole star.
Where you can see it
It rises everywhere north of 27°S. From Riyadh it climbs to 52° above the horizon. From London it climbs to 79° above the horizon. Never rises over Sydney.
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