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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:08 
Transit: 12:13 
Sunset: 17:20
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Hydra » 

η Hydrae (eta Hydrae)

Below the horizon.  Rise: 16:33 | Tran: 22:47 | Set: 5:06
Alt: -9.91°   Az: 71.73°   Direction: East-North-East

η Hydrae is a variable main-sequence star of spectral class B3 in the constellation of Hydra.

η Hydrae visual magnitude is 4.3. Because of its moderate brightness, η 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 η Hydrae (eta Hydrae) star
DSS2 image of η Hydrae. The red arrow shows the motion of η Hydrae during the next 10000 years (-3.17 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

08h 44m 32s
+03° 18’ 24”
16h 38m 11s
01h 22m 43s

J2000

08h 43m 13s
+03° 23’ 54”

Galactic Coordinates

223.25°
26.32°

Finder Chart

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Finder chart for η Hydrae (eta Hydrae).

Magnitude, Color, Spectral Class

4.3
Main-sequence

-1.48
B3V
13585K

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

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

Distance, Radial Speed, Proper Motion

η Hydrae is distant 466.38 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

143.06
466.38
17 km/s
-0.019 arcsec/y
-0.001"/y

Alternative Designations

η Hydrae
(eta Hydrae)
SAO117050
SAO117050

Visibility from Your Location

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

Azimuth: 86.7°
Max altitude: 41.8°
Azimuth: 273.3°