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| rightascension =00<sup>h</sup> 42<sup>m</sup> 44.3<sup>s</sup>
| rightascension =00<sup>h</sup> 42<sup>m</sup> 44.3<sup>s</sup>
| declination =+41° 16′ 9″
| declination =+41° 16′ 9″
| constellation =Andromeda
| constellation =[[Andromeda]]
| type =spiral galaxy
| type =[[Spiral galaxy]]
| magnitude =3.44
| dimensions =190x60'<ref name=messier-objects>[http://www.messier-objects.com/messier-31-andromeda-galaxy/ ]</ref>
| redshift =-0.001000 ± 0.000013
| magnitude =Apparent Mag: +3.44<ref name=messier-objects/><br/>Absolute Mag: -21.5<ref name=messier-objects/>
| distance =2.5 million light years
| redshift =-0.001000±0.000013<ref name=simbad>[http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Andromeda+galaxy&submit=submit+id M31] from simbad.u-strasbg.fr</ref>
| radvelocity =−301 ± 1 km/s
| distance =2.54 million light years<ref name=messier-objects/>
| radvelocity =−300.0±4.0 km/s<ref name=simbad/>
| propmotion =
| propmotion =
| parallax =
| parallax =