We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Help keep this site free and ads-free! Donate Now!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:08  
clear_day Transit: 12:59  
SunsetSet: 19:51
sunny DaytimeWhat's Visible Now?
All Constellations » Capricornus » 

HR7788

Altitude: 24.9°   Azimuth: 208.3°   Direction: South-South-West

HR7788 is a giant star in the constellation of Capricornus.

HR7788 visual magnitude is 6.3. Because of its reltive faintness, HR7788 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 HR7788 is 0.024 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7788 star
DSS2 image of HR7788. The red arrow shows the motion of HR7788 during the next 10000 years (4.00 arcmin in Right Ascension and -3.00 arcmin in declination);

Key facts about HR7788

6.3
Giant

HR7788 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 24.9°
Azimuth: 208.3°
Direction: South-South-West

Celestial coordinates and finder chart of HR7788

HR7788 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7788 are provided in the following table:

20h 23m 00s
-09° 39’ 16”
34.55°
-24.7°
Capricornus

The simplified sky map below shows the position of HR7788 in the sky:

Finder chart HR7788 star
Simplified finder chart for HR7788.

Visibility of HR7788 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 HR7788 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: 99.7°
Max altitude: 28.9°
Azimuth: 260.3°

Distance of HR7788 from the Sun and relative movement

HR7788 is distant 435.25 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

133.51 pc
435.25 ly
-17 km/s
0.024 arcsec/year
-0.018 arcsec/year

Spectral properties of HR7788

HR7788 belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.

0.67
G5III
4970K

The red dot in the diagram below shows where HR7788 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7788. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7788

SAO144361
SAO144361