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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: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
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All Constellations » Pegasus » 

75 Pegasi

Altitude: 31.1°   Azimuth: 260.5°   Direction: West

75 Pegasi is a variable and double main-sequence star in the constellation of Pegasus.

75 Pegasi visual magnitude is 5.53. Because of its reltive faintness, 75 Pegasi 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 75 Pegasi is 0.05 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 75 Pegasi star
DSS2 image of 75 Pegasi. The red arrow shows the motion of 75 Pegasi during the next 10000 years (8.33 arcmin in Right Ascension and 2.83 arcmin in declination);

Key facts about 75 Pegasi


75 Pegasi is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 31.1°
Azimuth: 260.5°
Direction: West

Celestial coordinates and finder chart of 75 Pegasi

75 Pegasi 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 75 Pegasi are provided in the following table:

23h 37m 56s
+18° 24’ 02”

The simplified sky map below shows the position of 75 Pegasi in the sky:

Finder chart 75 Pegasi star
Simplified finder chart for 75 Pegasi.

Visibility of 75 Pegasi 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 75 Pegasi 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: 71.6°
Max altitude: 56.9°
Azimuth: 288.4°

Distance of 75 Pegasi from the Sun and relative movement

75 Pegasi is distant 238.83 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

73.26 pc
238.83 ly
-16 km/s
0.05 arcsec/year
0.017 arcsec/year

Spectral properties of 75 Pegasi

75 Pegasi belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 75 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 75 Pegasi. Attribution: Richard Powell / CC BY-SA

75 Pegasi star system properties

75 Pegasi is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 75 Pegasi double sysyem:

27.9 arcsec

Alternative designations of 75 Pegasi