Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:43  ☀️ Transit: 13:03  🌅 Sunset: 19:24


HR551 is a star in the constellation of Andromeda.

HR551 visual magnitude is 6.24. Because of its reltive faintness, HR551 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 HR551:

HR551 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 33°.

Celestial coordinates and finder chart of HR551

HR551 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 HR551 are provided in the following table:

01h 54m 53s
+40° 42’ 06”

The simplified sky map below shows the position of HR551 in the sky:

Finder chart HR551 star
Simplified finder chart for HR551.

Visibility of HR551 from your location

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

HR551 is circumpolar and transits at 13:28 UTC (altitude: 79.2°)

Digitized Sky Survey image of HR551

The image below is a photograph of HR551 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 HR551 is 0.047 arcsec per year in Right Ascension and -0.066 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR551 star
DSS2 image of HR551. The red arrow shows the motion of HR551 during the next 10000 years (7.83 arcmin in Right Ascension and -11.00 arcmin in declination);

Distance of HR551 from the Sun and relative movement

HR551 is distant 344.97 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

105.82 pc
344.97 ly
32 km/s
0.047 arcsec/year
-0.066 arcsec/year

Spectral properties of HR551

HR551 belongs to spectral class K2


The red dot in the diagram below shows where HR551 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR551. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR551