β Circini


Beta Circini is, appropriately, the second brightest star in the constellation with a visual magnitude of 4.1.

In the same field of view is gamma, a telescopic binary with colour contrast, blue and yellow: 4.9, 5.8; PA 49 and separation 0.7".

The stars are found east-northeast of alpha Centauri one binocular field: binoculars.

If you move back to alpha Centauri, then up one binocular field, you'll find several excellent binocular binaries. First, the splendid DUN 169, on the northern edge of your glasses: 6.1, 7.6; 105, 69.2".

Then near the southern edge, due south of DUN 169, is h4699, AC: 6.8, 9.1; 125, 37".

We'll include DUN 159 as well on this list, although it's in Centaurus, for it is on the western edge of your view here. For two of its companions you'll need a telescope, but the farthest companion is a faint binocular binary: 5.0, 10.7; 8, 43.8".

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1999-2014 by Richard Dibon-Smith.