Derivation
The origins of Musca are difficult to discern. Like its neighbour Crux, this region of
the sky was originally included within the bounds of the large constellation Centaurus.
Most sources suggest that Johann Bayer added the Fly to the heavens, though some hold
Jacob Bartsch responsible. Whomever was responsible, they have left us with a faint
star-group containing little of interest.
Stars
Musca lies almost centrally on the band of the Milky Way, and so presents a rich
starfield when viewed through binoculars or a telescope. To the unaided eye, though,
its stars are rather dim. The brightest, the blue Alpha Muscae, is only of magnitude
+2.7, while the Beta star, which is also blue and lies within a few light years of
Alpha, is slightly fainter at magnitude +3.0.
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