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Brian Peterson | all galleries >> Galleries >> Messier Objects > M 89 and 90
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March 10, 2008

M 89 and 90

Both of these galaxies are part of the Virgo Cluster of
galaxies. On the left is M 89, an almost perfectly round
elliptical galaxy. On the right is M 90, a spiral galaxy
whose arms, strangely, seem devoid of new star formation,
while the inner core of the galaxy is producing new stars.
Below and to the right of M 90 is a small irregular galaxy
(IC 3583), which seems to have been disrupted by M 90's
gravity. M 90 is one of the few galaxies that is actually
moving toward us, at a rate of almost 240 miles / second,
which seems fast enough for it to eventually escape from
the galaxy cluster and continue its journey in this direction.
It won't arrive anytime soon, however. With its distance of
60 million light years and its present speed, it will take
approximately 47 billion years to cover the distance.

Image data:
Camera: Canon 350 XT (modified)
Exposure: ISO 800, 5 minutes x 21
Telescope: 10" Schmidt-Newtonian, Baader MPCC, LPS filter


other sizes: small medium large original auto
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