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🌎  Greenwich, United Kingdom [change]

HR7758

HR7758 is a hypergiant star in the constellation of Telescopium.

HR7758 visual magnitude is 6.27. Because of its reltive faintness, HR7758 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 HR7758:

6.27
Hypergiant
HR7758 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR7758

HR7758 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7758 are provided in the following table:

20h 20m 32s
-55° 03’ 02”
342.99°
-34.54°
Telescopium

The simplified sky map below shows the position of HR7758 in the sky:

Finder chart HR7758 star
Simplified finder chart for HR7758.

Visibility of HR7758 from your location

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

HR7758 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR7758

The image below is a photograph of HR7758 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 HR7758 is 0.009 arcsec per year in Right Ascension and -0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7758 star
DSS2 image of HR7758. The red arrow shows the motion of HR7758 during the next 10000 years (1.50 arcmin in Right Ascension and -5.50 arcmin in declination);

Distance of HR7758 from the Sun and relative movement

HR7758 is distant 810.95 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

248.76 pc
810.95 ly
-9 km/s
0.009 arcsec/year
-0.033 arcsec/year

Spectral properties of HR7758

HR7758 belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.

-0.71
M0III
3663K

The red dot in the diagram below shows where HR7758 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR7758. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7758

SAO246535
SAO246535