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public LocationGreenwich, UK
Sunrise: 5:07 
Transit: 13:06 
Sunset: 21:04
sunny   (Daytime)   What's Visible Now?
All Constellations » Taurus » 

66 Tauri

Above the horizon.  Rise: 2:48 | Tran: 9:34 | Set: 16:21
Alt: 21.32°   Az: 258.15°   Direction: West-South-West

66 Tauri is a double main-sequence star of spectral class A3 in the constellation of Taurus.

66 Tauri visual magnitude is 5.12. Because of its faintness, 66 Tauri 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 66 Tauri star
DSS2 image of 66 Tauri. The red arrow shows the motion of 66 Tauri during the next 10000 years (-2.50 arcmin in Right Ascension and -1.33 arcmin in declination);

Celestial Coordinates


04h 25m 12s
+09° 30’ 58”
04h 30m 21s
08h 55m 33s


04h 23m 51s
+09° 27’ 38”

Galactic Coordinates


Finder Chart

Finder chart 66 Tauri star
Simplified finder chart for 66 Tauri.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 66 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 66 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

66 Tauri 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 66 Tauri double sysyem:

0.3 arcsec

Distance, Radial Speed, Proper Motion

66 Tauri is distant 396.11 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

-4 km/s
-0.015 arcsec/y

Alternative Designations


Visibility from Your Location

Today's 66 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.5°
Max altitude: 48.0°
Azimuth: 279.5°