HI Glen & All,
On hols away down the south coast at the moment and don't have my resources with me but the two central galaxies in the Coma Cluster (I think NGC 4874 is one of the two) are up at around the -24.5 mark and make "monsters" like M87 look puny by comparison. From memory, the Milly Way which is an unusually massive if not bright spiral galaxy is at about the -21 mark. Galaxies with the highest absolute magnitude are bound to be elliptical types I'd think.
Best,
Les D
Contributing Editor
AS&T
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