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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:20 
Transit: 12:55 
Sunset: 20:30
sunny   (Daytime)   What's Visible Now?

HR738

Altitude: 21.3°   Azimuth: 299.1°   Direction: West-North-West

HR738 is a hypergiant star in the constellation of Triangulum.

HR738 visual magnitude is 5.83. Because of its reltive faintness, HR738 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR738 is -0.066 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR738 star
DSS2 image of HR738. The red arrow shows the motion of HR738 during the next 10000 years (-11.00 arcmin in Right Ascension and -2.00 arcmin in declination);

Key facts about HR738

5.83
Hypergiant

HR738 is above the horizon from Greenwich, United Kingdom.

Altitude: 21.3°
Azimuth: 299.1°
Direction: West-North-West

Celestial coordinates and finder chart of HR738

HR738 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR738 are provided in the following table:

02h 32m 52s
+34° 32’ 32”
145.62°
-23.82°
Triangulum

The simplified sky map below shows the position of HR738 in the sky:

Finder chart HR738 star
Simplified finder chart for HR738.

Visibility of HR738 from your location

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

Today's HR738 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 55.5°
Max altitude: 73.1°
Azimuth: 304.5°

Distance of HR738 from the Sun and relative movement

HR738 is distant 259.97 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

79.74 pc
259.97 ly
-2 km/s
-0.066 arcsec/year
-0.012 arcsec/year

Spectral properties of HR738

HR738 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

1.32
K0III
4581K

The red dot in the diagram below shows where HR738 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR738. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR738

SAO55650
SAO55650