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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
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 3.2°   Azimuth: 323.3°   Direction: North-West

HR7996 is a giant star in the constellation of Cygnus.

HR7996 visual magnitude is 6.44. Because of its reltive faintness, HR7996 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 HR7996:


HR7996 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 3.2°
Azimuth: 323.3°
Direction: North-West

Celestial coordinates and finder chart of HR7996

HR7996 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 HR7996 are provided in the following table:

20h 52m 00s
+32° 50’ 57”

The simplified sky map below shows the position of HR7996 in the sky:

Finder chart HR7996 star
Simplified finder chart for HR7996.

Visibility of HR7996 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 HR7996 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: 57.2°
Max altitude: 71.4°
Azimuth: 302.8°

Digitized Sky Survey image of HR7996

The image below is a photograph of HR7996 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 HR7996 is -0.009 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7996 star
DSS2 image of HR7996. The red arrow shows the motion of HR7996 during the next 100000 years (-15.00 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of HR7996 from the Sun and relative movement

HR7996 is distant 1,952.10 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

598.80 pc
1,952.10 ly
-18 km/s
-0.009 arcsec/year
0.006 arcsec/year

Spectral properties of HR7996

HR7996 belongs to spectral class B3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7996 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7996. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7996