< Messier Index
Messier 108

A w:Hubble Space Telescope (HST) image of M 108.
Credit: HST/w:NASA/w:ESA.
Observation data (w:J2000 epoch)
Constellation w:Ursa Major[1]
Right ascension 11h 11m 31.0s[2]
Declination +55° 40′ 27″[2]
Redshift 699 ± 9 km/s[2]
Distance 14.1 Mpc[3]
Type SB(s)cd[2]
Apparent dimensions (V) 8′.7 × 2′.2[2]
Apparent magnitude (V) 10.7[2]
Other designations
NGC 3556,[2] PGC 34030,[2] UGC 6225[2]

Messier 108 (also known as NGC 3556) is an edge-on w:spiral galaxy in the w:constellation Ursa Major. It was discovered by w:Pierre Méchain in 1781 or 1782.[4]

Amateur Image of Messier 108 Courtesy Hunter Wilson

References

  1. ↑ R. W. Sinnott, editor (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 0-933-34651-4.
  2. 1 2 3 4 5 6 7 8 9 "NASA/IPAC Extragalactic Database". Results for NGC 3556. http://nedwww.ipac.caltech.edu/. Retrieved 2007-06-21.
  3. ↑ Q. Daniel Wang et al., [http://arxiv.org/abs/astro-ph/0308150v1 Chandra Observation of the Edge-on Galaxy NGC 3556 (M 108): Violent Galactic Disk-halo Interaction Revealed]
  4. ↑ Kepple, George Robert; Glen W. Sanner (1998). The Night Sky Observer's Guide, Volume 2. Willmann-Bell, Inc.. p. 399. ISBN 0-943396-60-3.
 
Messier Index
M1 • M2 • M3 • M4 • M5 • M6 • M7 • M8 • M9 • M10 • M11 • M12 • M13 • M14 • M15 • M16 • M17 • M18 • M19 • M20 • M21 • M22 • M23 • M24 • M25 • M26 • M27 • M28 • M29 • M30 • M31 • M32 • M33 • M34 • M35 • M36 • M37 • M38 • M39 • M40 • M41 • M42 • M43 • M44 • M45 • M46 • M47 • M48 • M49 • M50 • M51 • M52 • M53 • M54 • M55 • M56 • M57 • M58 • M59 • M60 • M61 • M62 • M63 • M64 • M65 • M66 • M67 • M68 • M69 • M70 • M71 • M72 • M73 • M74 • M75 • M76 • M77 • M78 • M79 • M80 • M81 • M82 • M83 • M84 • M85 • M86 • M87 • M88 • M89 • M90 • M91 • M92 • M93 • M94 • M95 • M96 • M97 • M98 • M99 • M100 • M101 • M102 • M103 • M104 • M105 • M106 • M107 • M108 • M109 • M110
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