NGC 891

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NGC 891

Spiral Galaxy NGC 891

Observation data: J2000 epoch
Constellation: Andromeda
Right ascension: 02h 22m 33.4s[1]
Declination: +42° 20′ 57″[1]
Redshift: 528 ± 4 km/s[1]
Distance: 27.3 ± 1.8 Mly (8.4 ± 0.5 Mpc)[2]
Type: SA(s)b?[1]
Apparent dimensions (V): 13′.5 × 2′.5[1]
Apparent magnitude (V): 10.8[1]
Notable features:
Other designations
UGC 1831, PGC 9031[1]
See also: Galaxy, List of galaxies


NGC 891 is an edge on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by Caroline Herschel in August 1783. The galaxy in a member of NGC 1023 group of galaxies in the Local Supercluster. It has a H II nucleus.[3]

Visually, the object is visible in small to moderate size telescopes as a faint elongated smear of light with a dust lane visible in larger apertures.

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[edit] References

  1. ^ a b c d e f g NASA/IPAC Extragalactic Database. Results for NGC 891. Retrieved on 2006-11-18.
  2. ^ J. L. Tonry, A. Dressler, J. P. Blakeslee, E. A. Ajhar, A. B. Fletcher, G. A. Luppino, M. R. Metzger, C. B. Moore (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal 546 (2): 681-693. 
  3. ^ Ho, Luis C.; Alexei V. Filippenko & Wallace L. W. Sargent (October 1997), "A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies", Astrophysical Journal Supplement 112: 315-390