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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 25.9°   Azimuth: 38.6°   Direction: North-East

HR7451 is a main-sequence star in the constellation of Cygnus.

HR7451 visual magnitude is 5.73. Because of its reltive faintness, HR7451 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 HR7451 is 0.032 arcsec per year in Right Ascension and -0.19 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR7451 star
DSS2 image of HR7451. The red arrow shows the motion of HR7451 during the next 1000 years (0.53 arcmin in Right Ascension and -3.17 arcmin in declination);

Key facts about HR7451


HR7451 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.9°
Azimuth: 38.6°
Direction: North-East

Celestial coordinates and finder chart of HR7451

HR7451 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 HR7451 are provided in the following table:

19h 34m 19s
+51° 14’ 12”

The simplified sky map below shows the position of HR7451 in the sky:

Finder chart HR7451 star
Simplified finder chart for HR7451.

Visibility of HR7451 from your location

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

HR7451 is circumpolar and transits at 08:59 UTC (altitude: 89.8°)

Distance of HR7451 from the Sun and relative movement

HR7451 is distant 83.42 light years from the Sun

25.59 pc
83.42 ly
0.032 arcsec/year
-0.19 arcsec/year

Spectral properties of HR7451

HR7451 belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR7451 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7451. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7451