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Whirlpool Galaxy: Difference between revisions

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{| border="1" cellspacing="0" cellpadding="2" align="right"
{{ Galaxy |
| name = Whirlpool Galaxy ! bgcolor="#ffffc0" colspan="2" | '''Whirlpool Galaxy (M51)'''
|-
| type = Sc
| align="center" colspan=2 | ]
⚫ | epoch = J2000.0
|-
⚫ | ra = 13<sup>h</sup> 29.9<sup>m</sup>
! align="left" | Epoch
⚫ | dec = +47&deg; 12&prime;
⚫ | J2000.0
⚫ | dist_ly = ] ]
|-
| appmag_v = +8.4
! bgcolor="#ffffc0" colspan="2" | Observation data
⚫ | size_v = 11 &times; 7 ]
|-
⚫ | constellation name = ]
! align="left" | ]
| radius_ly = -
| SAc
| absmag_v = -
|-
| notes = -
! align="left" | ]
⚫ | names = NGC 5194, M51}}
⚫ | 13<sup>h</sup> 29.9<sup>m</sup>
|-
! align="left" | ]
⚫ | +47&deg; 12&prime;
|-
! align="left" | Distance
⚫ | ] ]
|-
! align="left" | ] (V)
| +8.4
|-
! align="left" | Apparent dimension(s) (V)
⚫ | 11 &times; 7 ]
|-
! align="left" | Constellation
⚫ | ]
|-
! align="left" | Cluster
| ]
|-
! bgcolor="#ffffc0" colspan="2" | Physical characteristics
|-
! align="left" | Radius
| &nbsp;
|-
! align="left" | ]
| &nbsp;
|-
! align="left" | Notable features
| &nbsp;
|-
! align="left" | Other denominations
⚫ | NGC 5194, M51
|}


The '''Whirlpool Galaxy''' (also known as '''Messier 51''', '''M51''', or '''NGC 5194''') is a classic ] located in the ]. It was discovered by ] on ], ]. The '''Whirlpool Galaxy''' (also known as '''Messier 51''', '''M51''', or '''NGC 5194''') is a classic ] located in the ]. It was discovered by ] on ], ].


== Info on Whirlpool Galaxy == == Info on Whirlpool Galaxy ==
⚫ ] image of the Whirlpool Galaxy.]]

The Whirpool Galaxy is one of the brightest, most compelling ] in the sky, visible with ]. The spiral galactic structure was first observed in this galaxy, which is the dominant member of the ]. The Whirpool Galaxy is one of the brightest, most compelling ] in the sky, visible with ]. The spiral galactic structure was first observed in this galaxy, which is the dominant member of the ].


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In ] a ] was observed in the Whirlpool Galaxy, peaking at ] 14. In ] a ] was observed in the Whirlpool Galaxy, peaking at ] 14.

⚫ ] image of the Whirlpool Galaxy.]]

<br clear="all"/>


== External links == == External links ==

Revision as of 19:56, 20 November 2005

Whirlpool Galaxy (M51)
Bode's Galaxy
Bode's Galaxy
Epoch J2000.0
Observation data
Type SAc
Right ascension 13 29.9
Declination +47° 12′
Distance 37 million ly
Apparent magnitude (V) +8.4
Apparent dimension(s) (V) 11 × 7 arcmins
Constellation Canes Venatici
Cluster M51 Group
Physical characteristics
Radius  
Absolute magnitude  
Notable features  
Other denominations NGC 5194, M51

The Whirlpool Galaxy (also known as Messier 51, M51, or NGC 5194) is a classic spiral galaxy located in the Canes Venatici constellation. It was discovered by Charles Messier on October 13, 1773.

Info on Whirlpool Galaxy

The Whirpool Galaxy is one of the brightest, most compelling galaxies in the sky, visible with binoculars. The spiral galactic structure was first observed in this galaxy, which is the dominant member of the M51 group of galaxies.

Its companion galaxy, NGC 5195, was discovered in 1781 by Pierre Méchain. Sometimes M51 is used to refer to the pair of galaxies, in which case the individual galaxies may be referred to as M51A (NGC 5194) and M51B (NGC 5195). The galaxy is less than 37 million light years away from Earth — some measurements put the distance at only 15 million.

In 2005 a supernova was observed in the Whirlpool Galaxy, peaking at apparent magnitude 14.

Hubble image of the Whirlpool Galaxy.


External links


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