M74 (NGC 628)
A conspicuous spiral galaxy in the constellation
Pisces. M74 is a classic "grand-design" Sc galaxy
(see galaxy classification)
seen almost exactly face-on. Its spiral arms, some 1,000 light-years broad,
are traced with clusters of young blue stars and pinkish colored diffuse
gaseous nebulae (H II regions). These arms reach out to cover a region more
than 10 minutes of arc in diameter, corresponding to roughly 95,000 light
years, or about the same size as our Milky Way
Image courtesy Isaac Newton Group of Telescopes
||10.5' × 9.5'
||32 million light-years
||R.A. 01h 37m, Dec. +15° 47'
presence of elusive black hole (Mar 23, 2005)
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