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Silver Sliver Galaxy

C23, NGC 891

Proper NameSilver Sliver Galaxy
Caldwell NumberC23
NGC/IC NumberNGC 891
Right Ascension2h 22m 33s
Declination+42° 20' 54"
Distancec.31,054,000 light years
c.9,521,000 parsecs
MagnitudeApparent: +9.8
Absolute: -20.1
Mean DiameterApparent: 7.4'
Actual: c.67,000 light years
Hubble TypeSb Spiral
Optimum VisibilityNovember
NoteThe Silver Sliver Galaxy is seen almost exactly edge-on from the Milky Way. It appears as a tapering sliver of light with a central bulge, and an elaborately patterned line of dark dust creating a dense equatorial band. This is one of a small clump of galaxies collectively known as the NGC 1023 Group.


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