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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:58 
Sunset: 21:15
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 4:55 | Tran: 9:24 | Set: 13:52
Altitude: 14.5°   Azimuth: 216.1°   Direction: South-West

HR547 is a variable hypergiant star of spectral class F0 in the constellation of Cetus.

HR547 visual magnitude is 5.8. Because of its faintness, HR547 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 HR547

Finder chart HR547 star
Simplified finder chart for HR547.

HR547 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 HR547 are provided in the following table:

01h 52m 52s
-16° 55’ 45”
Image of HR547 star
DSS2 image of HR547. The red arrow shows the motion of HR547 during the next 10000 years (7.00 arcmin in Right Ascension and -8.83 arcmin in declination);

Key facts about HR547


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


The red dot in the diagram below shows where HR547 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR547. Attribution: Richard Powell / CC BY-SA

Distance of HR547 from the Sun and relative movement

HR547 is distant 330.29 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

101.32 pc
330.29 ly
-4 km/s
0.042 arcsec/year
-0.053 arcsec/year

Alternative designations of HR547


Visibility of HR547 from your location

Today's HR547 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.9°
Max altitude: 21.6°
Azimuth: 253.1°