Messier 100

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Messier 100
Galaxy List of galaxies
Observation data
(Epoch J2000)
Constellation Coma Berenices
Right ascension 12h 22m 54.9s[1]
Declination +15° 49′ 21″[1]
Redshift 1571 ± 1 km/s[1]
Distance 52.5 Mly[2]
Type SAB(s)bc[1]
Apparent dimensions (V) 7′.4 × 6′.3[1]
Apparent magnitude (V) +10.1[1]
Notable features
Other designations
NGC 4321

Messier 100 (also known as NGC 4321) is a spiral galaxy about 52.5 million light-years away in the constellation Coma Berenices. It was discovered by Pierre Méchain in 1781. It is one of the brightest gaiaxies in the Virgo cluster. Five supernovae have been identified in M100: SN 1901B, SN 1914A, SN 1959E, SN 1979C and SN 2006X. M100 also has a satellite galaxy named NGC 4323.

[edit] Other images

Full look at center by HST

Before and after the fix of HST

[edit] External links

[edit] References

  1. ^ a b c d e f NASA/IPAC Extragalactic Database. Results for NGC 4321. Retrieved on 2006-08-31.
  2. ^ Pattern Speeds BIMA-SONG Galaxies with Molecule-Dominated ISMs Using the Tremaine-Weinberg Method. (Ferrarese et al. 1996). Retrieved on 2006-08-31.


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