α Muscae

Alpha Muscae is the brightest star in this small constellation. Centre alpha Crucis in your glasses and move one field south: binoculars.

Beta Muscae, in the same field, is a close binary with an orbit of 383 years.
     AB: 4.6, 5.0; 133, 6.5"
     AC: 4.6, 5.4; 126, 9.6".


Move three-quarters of a binocular field northeast, placing beta Muscae on the southwestern edge: binoculars.

The two brightest stars here, eta and theta, are telescopic binaries:
     eta (DUN 131):
        AB: 4.8, 9.0; 125, 2.7"
        AC: 4.8, 7.2; 332, 58.4".
     theta (Rmk 16)AB: 5.7, 7.6; 187, 5.4".

Back to alpha, now one binocular field northwest brings in lambda Mus.

Three fine binaries are in this field of view: h4432, h4498, and CoO 130
         h4432: 5.4, 6.6; 308, 2.4".
         h4498: 6.1, 7.7; 60, 8.9".
      CoO 130: 4.9, 7.3; 159, 1.6".

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1999-2014 by Richard Dibon-Smith.