Your Guide to the Solar System and the Night Sky
Donate now! You'll help cover server costs, enhance the site and keep it ad-free.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:50  
clear_day Transit: 12:56  
SunsetSet: 21:02 south
wb_twilight Civil TwilightWhat's Visible Now
All Constellations » Hydra » 

10 Hydrae

10 Hydrae is a main-sequence star in the constellation of Hydra.

10 Hydrae visual magnitude is 6.13. Because of its reltive faintness, 10 Hydrae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 10 Hydrae:

10 Hydrae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 10 Hydrae

10 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. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 10 Hydrae are provided in the following table:

08h 45m 01s
+05° 40’ 50”

The simplified sky map below shows the position of 10 Hydrae in the sky:

Finder chart 10 Hydrae star
Simplified finder chart for 10 Hydrae.

Visibility of 10 Hydrae from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 10 Hydrae rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.3°
Max altitude: 44.2°
Azimuth: 275.7°
10 Hydrae is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 10 Hydrae

The image below is a photograph of 10 Hydrae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 10 Hydrae is -0.001 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 10 Hydrae star
DSS2 image of 10 Hydrae. The red arrow shows the motion of 10 Hydrae during the next 100000 years (-1.67 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of 10 Hydrae from the Sun and relative movement

10 Hydrae is distant 206.59 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

63.37 pc
206.59 ly
-9 km/s
-0.001 arcsec/year
-0.005 arcsec/year

Spectral properties of 10 Hydrae

10 Hydrae belongs to spectral class A6 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 10 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 10 Hydrae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 10 Hydrae