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DesignationsCentaurus A/M83 Group, Centaurus A Group, NGC 5128 Group
ConstellationsPrimarily within Centaurus, but extending into Hydra and Virgo
Right AscensionCentred around 13h 30m 0s
DeclinationCentred around -36° 0' 0"
Distancec. 38,800,000 light years / c. 11,900,000 parsecs (Centaurus A Subgroup)
c. 48,600,000 light years / c. 14,900,000 parsecs (M83 Subgroup)
DimensionsApparent: c. 21° x 21°
MembersTotal members: 44 galaxies
Centaurus A Subgroup: 29 galaxies
M83 Subgroup: 15 galaxies
Optimum VisibilityApril / May

Centaurus A (NGC 5128) is the largest and most massive member of the galaxy group that bears its name. It lies at the heart of its own subgroup within the main group, the Centaurus A Subgroup, with the galaxies of the smaller M83 Subgroup arranged around M83, the Southern Pinwheel Galaxy, to the north of Centaurus A. Imagery provided by Aladin sky atlas

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