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public LocationGreenwich, UK
Sunrise: 5:00 
Transit: 13:04 
Sunset: 21:07
sunny   (Daytime)   What's Visible Now?
All Constellations » Hydra » 

19 Hydrae

Above the horizon.  Rise: 9:20 | Tran: 14:34 | Set: 19:48
Alt: 5.64°   Az: 111.59°   Direction: East-South-East

19 Hydrae is a double giant star of spectral class B9 in the constellation of Hydra.

19 Hydrae visual magnitude is 5.6. Because of its faintness, 19 Hydrae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

19 Hydrae is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year.

Image of 19 Hydrae star
DSS2 image of 19 Hydrae. The red arrow shows the motion of 19 Hydrae during the next 10000 years (-3.17 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates


09h 09m 54s
-08° 41’ 23”
19h 22m 22s
04h 32m 16s


09h 08m 42s
-08° 35’ 21”

Galactic Coordinates


Finder Chart

Finder chart 19 Hydrae star
Simplified finder chart for 19 Hydrae.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 19 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 19 Hydrae. Attribution: Richard Powell / CC BY-SA

Star System Properties

19 Hydrae is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 19 Hydrae double sysyem:

1 arcsec

Distance, Radial Speed, Proper Motion

19 Hydrae is distant 898.07 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

275.48 pc
898.07 ly
23 km/s
-0.019 arcsec/y
-0.002 "/y

Alternative Designations


Visibility from Your Location

Today's 19 Hydrae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.7°
Max altitude: 29.8°
Azimuth: 261.3°