Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]


HR3758 is a double hypergiant star in the constellation of Hydra.

HR3758 visual magnitude is 6.27. Because of its reltive faintness, HR3758 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 HR3758:

HR3758 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR3758

HR3758 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 HR3758 are provided in the following table:

09h 29m 02s
-01° 15’ 24”

The simplified sky map below shows the position of HR3758 in the sky:

Finder chart HR3758 star
Simplified finder chart for HR3758.

Visibility of HR3758 from your location

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

Today's HR3758 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.3°
Max altitude: 37.3°
Azimuth: 268.7°
HR3758 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3758

The image below is a photograph of HR3758 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 HR3758 is -0.073 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.

Image of HR3758 star
DSS2 image of HR3758. The red arrow shows the motion of HR3758 during the next 10000 years (-12.17 arcmin in Right Ascension and 0.17 arcmin in declination);

Distance of HR3758 from the Sun and relative movement

HR3758 is distant 297.45 light years from the Sun

91.24 pc
297.45 ly
-0.073 arcsec/year
0.001 arcsec/year

Spectral properties of HR3758

HR3758 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3758 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3758. Attribution: Richard Powell / CC BY-SA

HR3758 star system properties

HR3758 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR3758 double sysyem:

1.3 arcsec

Alternative designations of HR3758