The Binocular Sky


Barnard’s Star

Constellation: Oph
Object Type: Star
RA:  17h 57m 49s
Dec:  +4° 41' 36"
Magnitude: 9.5
Recommended minimum aperture: 70mm

Charts for 100mm Binocular (2.5° aperture circle).   Click on a chart to print it.


Barnard’s Star is in the same field, and to the NW of, the 5th magnitude 66 Oph.

What You Should See:

Barnard’s Star is the star with the greatest known proper motion (10.28 arcsec/yr). The chart gives its position for Jan 01 in 2011 and 2065 respectively. The large proper motion was discovered by E. E. Barnard in 1916. If you observe this 9.5th magnitude star in company, be sure to take the opportunity to dispel the notion that it has planets. This notion was the result of some short-cuts in data reduction taken by Peter van der Kamp in the 1960s and 70s and, although modern methods have shown it to be in error, it has gained some renewed currency on the internet.

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