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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Hydra » 

51 Hydrae

Below the horizon.  Rise: 20:08 | Tran: 23:21 | Set: 2:37
Alt: -66.32°   Az: 354.75°   Direction: North

51 Hydrae is a variable giant star of spectral class K4 in the constellation of Hydra.

51 Hydrae visual magnitude is 4.77. Because of its moderate brightness, 51 Hydrae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 51 Hydrae star
DSS2 image of 51 Hydrae. The red arrow shows the motion of 51 Hydrae during the next 1000 years (-3.22 arcmin in Right Ascension and -1.87 arcmin in declination);

Celestial Coordinates

Apparent

14h 24m 34s
-27° 52’ 05”
11h 50m 28s
02h 15m 03s

J2000

14h 23m 05s
-27° 45’ 14”

Galactic Coordinates

326.6°
30.87°

Finder Chart

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Finder chart for 51 Hydrae.

Magnitude, Color, Spectral Class

4.77
Giant

1.13
K4III
4104K

The red dot in the diagram below shows where 51 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 51 Hydrae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

51 Hydrae is distant 174.61 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

53.56
174.61
20 km/s
-0.193 arcsec/y
-0.112"/y

Alternative Designations

SAO182483
SAO182483

Visibility from Your Location

Today's 51 Hydrae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.9°
Max altitude: 10.7°
Azimuth: 242.1°