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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:02 
Transit: 12:56 
Sunset: 20:51
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All Constellations » Hydra » 

ο Hydrae (omicron Hydrae)

Below the horizon.  Rise: 18:51 | Tran: 20:46 | Set: 22:41
Alt: -7.68°   Az: 220.78°   Direction: South-West

ο Hydrae is a main-sequence star of spectral class B9 in the constellation of Hydra.

ο Hydrae visual magnitude is 4.7. Because of its moderate brightness, ο 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 ο Hydrae (omicron Hydrae) star
DSS2 image of ο Hydrae. The red arrow shows the motion of ο Hydrae during the next 10000 years (-7.00 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

11h 41m 28s
-34° 53’ 07”
03h 28m 24s
15h 09m 53s

J2000

11h 40m 12s
-34° 44’ 40”

Galactic Coordinates

286.72°
25.87°

Finder Chart

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Finder chart for ο Hydrae (omicron Hydrae).

Magnitude, Color, Spectral Class

4.7
Main-sequence

-1.21
B9V
11092K

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

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

Distance, Radial Speed, Proper Motion

ο Hydrae is distant 494.69 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

151.75
494.69
6 km/s
-0.042 arcsec/y

Alternative Designations

ο Hydrae
(omicron Hydrae)
SAO202695
SAO202695

Visibility from Your Location

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

Azimuth: 124.9°
Max altitude: 3.6°
Azimuth: 235.1°