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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

15 Hydrae

Above the horizon.  Rise: 10:52 | Tran: 16:13 | Set: 21:35
Altitude: 29.6°   Azimuth: 199.4°   Direction: South-South-West

15 Hydrae is a variable and multiple star of spectral class A4 in the constellation of Hydra.

15 Hydrae visual magnitude is 5.54. Because of its faintness, 15 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.

Celestial coordinates and finder chart of 15 Hydrae

Finder chart 15 Hydrae star
Simplified finder chart for 15 Hydrae.

15 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 15 Hydrae are provided in the following table:

08h 51m 34s
-07° 10’ 37”
234.39°
22.64°
Hydra
Image of 15 Hydrae star
DSS2 image of 15 Hydrae. The red arrow shows the motion of 15 Hydrae during the next 10000 years (-7.33 arcmin in Right Ascension and 0.17 arcmin in declination);

Key facts about 15 Hydrae

5.54

-0.34
A4
8571K

The red dot in the diagram below shows where 15 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 15 Hydrae. Attribution: Richard Powell / CC BY-SA

15 Hydrae star system properties

15 Hydrae is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 15 Hydrae double sysyem:

5.54
7.34
1.8
0.9 arcsec

Distance of 15 Hydrae from the Sun and relative movement

15 Hydrae is distant 488.02 light years from the Sun and it is moving far from the Sun at the speed of 37 kilometers per second.

149.70 pc
488.02 ly
37 km/s
-0.044 arcsec/year
0.001 arcsec/year

Alternative designations of 15 Hydrae

SAO136345
SAO136345

Visibility of 15 Hydrae from your location

Today's 15 Hydrae rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.2°
Max altitude: 31.3°
Azimuth: 262.8°