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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
wb_twilight   (Nautical Twilight)   What's Visible Now?

ι Hydri (iota Hydri)

Below the horizon.  Never rises today
Altitude: -53.0°   Azimuth: 159.5°   Direction: South-South-East

ι Hydri is a giant star of spectral class F4 in the constellation of Hydrus.

ι Hydri visual magnitude is 5.52. Because of its faintness, ι Hydri 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 ι Hydri

Finder chart ι Hydri (iota Hydri) star
Simplified finder chart for ι Hydri (iota Hydri).

ι Hydri is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ι Hydri are provided in the following table:

03h 15m 57s
-77° 23’ 17”
Image of ι Hydri (iota Hydri) star
DSS2 image of ι Hydri. The red arrow shows the motion of ι Hydri during the next 1000 years (1.82 arcmin in Right Ascension and 1.02 arcmin in declination);

Key facts about ι Hydri


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where ι Hydri is situated in the Hertzsprung–Russell diagram.

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

Distance of ι Hydri from the Sun and relative movement

ι Hydri is distant 95.83 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

29.39 pc
95.83 ly
19 km/s
0.109 arcsec/year
0.061 arcsec/year

Alternative designations of ι Hydri

ι Hydri
(iota Hydri)

Visibility of ι Hydri from your location

ι Hydri (iota Hydri) is currently not visible from Greenwich, United Kingdom