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Contains:  Hadar (βCen), NGC 5316, NGC 5381, NGC 5617, Part of the constellation Centaurus (Cen), The star Agena, The star α1Cen, The star α2Cen
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Alpha & Beta Centauri : The Southern Pointer Stars, 


            Ray Caro
Alpha & Beta Centauri : The Southern Pointer Stars
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Alpha & Beta Centauri : The Southern Pointer Stars

Technical card

Imaging telescopes or lenses:Tamron 70-200 f/2.8 G2

Imaging cameras:Canon 80D

Mounts:iOptron iEQ45 Pro

Software:Luc Coiffier's DSS 4.1.0 64 bitPhotoshop CS6

Dates:July 3, 2018

Frames: 120x40"

Integration: 1.3 hours

Avg. Moon age: 19.51 days

Avg. Moon phase: 76.59%

Basic astrometry details job: 2195022

RA center: 14h 20' 59"

DEC center: -60° 46' 30"

Pixel scale: 5.876 arcsec/pixel

Orientation: 353.834 degrees

Field radius: 3.756 degrees

Resolution: 3896x2449

Data source: Backyard


On the celestial vault of the Southern Hemisphere, it is impossible not to notice these two very bright stars located side by side and pointing to the asterism of the Southern Cross.

These are Rigil Kentaurus (Alpha Centauri) and Hadar (Beta Centauri).

In Arabic, Rigil Kentaurus means "Foot of the Centaur". It is a three-star system probably accompanied by three planets. Alpha Centauri is the nearest bright star to the sun, at a distance of about 4.39 light-years. It is also the fourth brightest star in our sky.

Hadar (Beta Centauri) is also a three-star system, about 400 light-years away. It is the second brightest star in the constellation Centaurus and is the eleventh brightest star in our sky.

Focal lenght : 200mm



Ray Caro
License: None (All rights reserved)

Sky plot

Sky plot


Alpha & Beta Centauri : The Southern Pointer Stars, 


            Ray Caro