Alpha Centauri, Beta Centauri and Proxima Centauri Our Nearest Stellar Neighbour - April 13, 2017 by Joseph Brimacombe Via Flickr: Taken from Savannah Skies Observatory using a modified Canon 40D camera and 135-mm Digital Cinema Lens on a Software Bisque PME Mount
1 x 3 min exposure
Proxima Centauri forms a third component of the Alpha Centauri binary star system, currently with a separation of about 13000 AU and an orbital period of 550,000 years]
Proxima centauri is marked in the center of the circle on the lower edge of the image.
Alpha centauri is left and beta centauri is right.
Info about alpha centauri or Rigil Kentaurus : en.wikipedia.org/wiki/Alpha_Centauri
Info about beta centuri or Hadar: en.wikipedia.org/wiki/Beta_Centauri
Info about proxima centauri: en.wikipedia.org/wiki/Proxima_Centauri