Astrodon Gen 2 LRGB
L: 20x10min (1x1)
RGB: 10x5min each (2x2)Imager Temp -20C
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This pair of dwarf spheroidal
(dSph) galaxies - slightly different than dwarf elliptical
(dEs) - are satellites of M31
, the Andromeda galaxy
, with NGC 185 (left) at 2.08 million light years distant and NGC 147 (right) at a distance of 2.58 million light years. These two Andromeda satellites are now actually somewhat closer to the Milky Way than they are to Andromeda.
According to Van den Bergh
, they are probably gravitationally bound in a physical pair, with NGC 185 being the more interesting and diverse, having an active galactic nucleus
and being classified as a Type 2 Seyfert Galaxy
. NGC 147, however, is gas and dust free.
November 1, 2010