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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
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 7.9°   Azimuth: 321.7°   Direction: North-West

HR7620 is a sub-giant star in the constellation of Cygnus.

HR7620 visual magnitude is 6.02. Because of its reltive faintness, HR7620 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 HR7620 is 0.004 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7620 star
DSS2 image of HR7620. The red arrow shows the motion of HR7620 during the next 100000 years (6.67 arcmin in Right Ascension and 8.33 arcmin in declination);

Key facts about HR7620


HR7620 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.9°
Azimuth: 321.7°
Direction: North-West

Celestial coordinates and finder chart of HR7620

HR7620 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 HR7620 are provided in the following table:

19h 56m 44s
+36° 15’ 02”

The simplified sky map below shows the position of HR7620 in the sky:

Finder chart HR7620 star
Simplified finder chart for HR7620.

Visibility of HR7620 from your location

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

Today's HR7620 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.7°
Max altitude: 74.8°
Azimuth: 306.3°

Distance of HR7620 from the Sun and relative movement

HR7620 is distant 1,112.63 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

341.30 pc
1,112.63 ly
-23 km/s
0.004 arcsec/year
0.005 arcsec/year

Spectral properties of HR7620

HR7620 belongs to spectral class B5 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR7620 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7620. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7620