η Hydrae (eta Hydrae)
η Hydrae is a variable main-sequence star in the constellation of Hydra.
η Hydrae visual magnitude is 4.3. Because of its moderate brightness, η Hydrae should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of η Hydrae is -0.019 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about η Hydrae
η Hydrae (eta Hydrae) is below the horizon from Greenwich, United Kingdom.
Altitude: -4.0°
Azimuth: 280.6°
Direction: West
Celestial coordinates and finder chart of η Hydrae
η 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 η Hydrae are provided in the following table:
The simplified sky map below shows the position of η Hydrae in the sky:
Visibility of η Hydrae from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's η Hydrae (eta Hydrae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of η Hydrae from the Sun and relative movement
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.
Spectral properties of η Hydrae
η Hydrae belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where η Hydrae is situated in the Hertzsprung–Russell diagram.
