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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:06 
Transit: 12:13 
Sunset: 17:21
wb_twilight   (Civil Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Cetus » 

81 Ceti

Above the horizon.  Rise: 10:57 | Tran: 16:39 | Set: 22:21
Alt: 33.61°   Az: 198.97°   Direction: South-South-West

81 Ceti is a giant star of spectral class G5 in the constellation of Cetus.

81 Ceti visual magnitude is 5.65. Because of its faintness, 81 Ceti 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.

Image of 81 Ceti star
DSS2 image of 81 Ceti. The red arrow shows the motion of 81 Ceti during the next 10000 years (6.83 arcmin in Right Ascension and -7.50 arcmin in declination);

Celestial Coordinates

Apparent

02h 38m 57s
-03° 17’ 17”
01h 02m 55s
03h 41m 53s

J2000

02h 37m 41s
-03° 23’ 45”

Galactic Coordinates

174.49°
-55.25°

Finder Chart

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Finder chart for 81 Ceti.

Magnitude, Color, Spectral Class

5.65
Giant

0.71
G5
4695K

The red dot in the diagram below shows where 81 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 81 Ceti. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

81 Ceti is distant 316.81 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

97.18
316.81
8 km/s
0.041 arcsec/y
-0.045"/y

Alternative Designations

SAO130026
SAO130026

Visibility from Your Location

Today's 81 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.3°
Max altitude: 35.2°
Azimuth: 266.7°