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public LocationGreenwich, UK
Sunrise: 5:01 
Transit: 13:04 
Sunset: 21:06
sunny   (Daytime)   What's Visible Now?
All Constellations » Pegasus » 

78 Pegasi

Above the horizon.  Rise: 20:05 | Tran: 5:07 | Set: 14:05
Alt: 60.15°   Az: 233.09°   Direction: South-West

78 Pegasi is a double hypergiant star of spectral class K0 in the constellation of Pegasus.

78 Pegasi visual magnitude is 4.93. Because of its moderate brightness, 78 Pegasi is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

78 Pegasi is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere.

Image of 78 Pegasi star
DSS2 image of 78 Pegasi. The red arrow shows the motion of 78 Pegasi during the next 10000 years (11.83 arcmin in Right Ascension and -6.17 arcmin in declination);

Celestial Coordinates


23h 45m 13s
+29° 29’ 52”
01h 48m 50s
01h 34m 04s


23h 43m 59s
+29° 21’ 42”

Galactic Coordinates


Finder Chart

Finder chart 78 Pegasi star
Simplified finder chart for 78 Pegasi.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 78 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 78 Pegasi. Attribution: Richard Powell / CC BY-SA

Star System Properties

78 Pegasi is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 78 Pegasi double sysyem:

0.9 arcsec

Distance, Radial Speed, Proper Motion

78 Pegasi is distant 234.36 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

71.89 pc
234.36 ly
-7 km/s
0.071 arcsec/y
-0.037 "/y

Alternative Designations


Visibility from Your Location

Today's 78 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.5°
Max altitude: 68.0°
Azimuth: 299.5°