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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:46 
Transit: 12:58 
Sunset: 21:11
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All Constellations » Scutum » 

α Scuti (alpha Scuti)

Below the horizon.  Rise: 21:17 | Tran: 2:37 | Set: 7:54
Alt: -27.80°   Az: 293.76°   Direction: West-North-West

α Scuti is a variable giant star of spectral class K3 in the constellation of Scutum.

α Scuti visual magnitude is 3.85. Because of its moderate brightness, α Scuti 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.

Image of α Scuti (alpha Scuti) star
DSS2 image of α Scuti. The red arrow shows the motion of α Scuti during the next 1000 years (-0.25 arcmin in Right Ascension and -5.20 arcmin in declination);

Celestial Coordinates

Apparent

18h 36m 35s
-08° 13’ 19”
08h 20m 27s
02h 57m 02s

J2000

18h 35m 12s
-08° 14’ 39”

Galactic Coordinates

23.76°
-0.17°

Finder Chart

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Finder chart for α Scuti (alpha Scuti).

Magnitude, Color, Spectral Class

3.85
Giant

0.21
K3III
4069K

The red dot in the diagram below shows where α Scuti is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

α Scuti is distant 174.15 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

53.42
174.15
36 km/s
-0.015 arcsec/y
-0.312"/y

Alternative Designations

α Scuti
(alpha Scuti)
SAO142408
SAO142408

Visibility from Your Location

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

Azimuth: 98.2°
Max altitude: 30.3°
Azimuth: 261.8°