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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

30 Pegasi

Below the horizon.  Rise: 22:45 | Tran: 5:17 | Set: 11:44
Altitude: -11.6°   Azimuth: 295.0°   Direction: West-North-West

30 Pegasi is a variable and multiple sub-giant star of spectral class B5 in the constellation of Pegasus.

30 Pegasi visual magnitude is 5.37. Because of its faintness, 30 Pegasi is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of 30 Pegasi

Finder chart 30 Pegasi star
Simplified finder chart for 30 Pegasi.

30 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 30 Pegasi are provided in the following table:

22h 20m 27s
+05° 47’ 21”
69.3°
-40.86°
Pegasus
Image of 30 Pegasi star
DSS2 image of 30 Pegasi. The red arrow shows the motion of 30 Pegasi during the next 10000 years (3.83 arcmin in Right Ascension and -0.17 arcmin in declination);

Key facts about 30 Pegasi

5.37
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

-1.88
B5IV
10382K

The red dot in the diagram below shows where 30 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 30 Pegasi. Attribution: Richard Powell / CC BY-SA

30 Pegasi star system properties

30 Pegasi is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 30 Pegasi double sysyem:

5.37
11.27
5.9
14.8 arcsec

Distance of 30 Pegasi from the Sun and relative movement

30 Pegasi is distant 918.31 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

281.69 pc
918.31 ly
-8 km/s
0.023 arcsec/year
-0.001 arcsec/year

Alternative designations of 30 Pegasi

SAO127453
SAO127453

Visibility of 30 Pegasi from your location

Today's 30 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.2°
Max altitude: 44.3°
Azimuth: 275.8°