NGC 4394 is a SBb barred spiral galaxy in the constellation Coma Berenices and is situated about 39.5 million light-years (12.1 megaparsecs) from Earth.[4] It was discovered on 14 March 1784 by the German–British astronomer William Herschel.[3] It is a presumed companion to the lenticular galaxy M85 / NGC 4382, which lies 8 arc minutes away.[3] It is also a member of the Virgo Cluster.[5][6]

NGC 4394
NGC 4394 taken by Hubble Space Telescope.[1]
Observation data (J2000 epoch)
Constellation	Coma Berenices[1]
Right ascension	12h 25m 55.624s[2]
Declination	+18° 12′ 50.13″[2]
Redshift	0.003075[3]
Helio radial velocity	922±4 km/s[4]
Galactocentric velocity	886±4 km/s[2]
Distance	39.5±2.9 Mly (12.1±0.9 Mpc)[4]
Group or cluster	Virgo Cluster
Apparent magnitude (V)	10.9[4]
Apparent magnitude (B)	11.9[2]
Absolute magnitude (V)	-20.49[4]
Characteristics
Type	SBb / (R)SB(r)b[4]
Size	41.2×38.8 kly (12.7×11.3 kpc)[4]
Apparent size (V)	3.6′×3.2′[4][3]
Other designations
NGC 4394, UGC 7523, PGC 40614, MCG+03-32-035[3]

Gallery

• 
  SDSS
• 
  2MASS
• 
  Hubble Space Telescope
• 
  NGC 4394 (left) with the lenticular galaxy M85 (right)

References

External links

• Media related to NGC 4394 at Wikimedia Commons

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