Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:03  ☀️ Transit: 12:06  🌅 Sunset: 18:09


HR7797 is a star in the constellation of Cygnus.

HR7797 visual magnitude is 6.09. Because of its reltive faintness, HR7797 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 HR7797:

HR7797 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 13°.

Celestial coordinates and finder chart of HR7797

HR7797 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 HR7797 are provided in the following table:

20h 22m 37s
+31° 15’ 54”

The simplified sky map below shows the position of HR7797 in the sky:

Finder chart HR7797 star
Simplified finder chart for HR7797.

Visibility of HR7797 from your location

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

Today's HR7797 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.7°
Max altitude: 69.8°
Azimuth: 301.3°
HR7797 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7797

The image below is a photograph of HR7797 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 HR7797 is 0.005 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7797 star
DSS2 image of HR7797. The red arrow shows the motion of HR7797 during the next 10000 years (0.83 arcmin in Right Ascension and -4.50 arcmin in declination);

Distance of HR7797 from the Sun and relative movement

HR7797 is distant 607.08 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

186.22 pc
607.08 ly
12 km/s
0.005 arcsec/year
-0.027 arcsec/year

Spectral properties of HR7797

HR7797 belongs to spectral class K2


The red dot in the diagram below shows where HR7797 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7797. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7797