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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:33 
Transit: 12:55 
Sunset: 19:17
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All Constellations » Draco » 

Alsafi - σ Draconis (sigma Draconis)

Above the horizon.  Circumpolar today
Alt: 31.41°   Az: 355.99°   Direction: North

Alsafi, also designated as σ Draconis (sigma Draconis), is a variable hypergiant star of spectral class K0 in the constellation of Draco.

Alsafi visual magnitude is 4.68. Because of its moderate brightness, Alsafi 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 Alsafi - σ Draconis (sigma Draconis) star
DSS2 image of Alsafi. The red arrow shows the motion of Alsafi during the next 100 years (1.00 arcmin in Right Ascension and -2.90 arcmin in declination);

Celestial Coordinates

Apparent

19h 32m 15s
+69° 42’ 54”
11h 20m 20s
06h 52m 36s

J2000

19h 32m 21s
+69° 39’ 39”

Galactic Coordinates

101.32°
21.89°

Finder Chart

Finder chart Alsafi - σ Draconis (sigma Draconis) star
Simplified finder chart for Alsafi - σ Draconis (sigma Draconis).

Magnitude, Color, Spectral Class

4.68
Hypergiant

5.88
K0V
5311K

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

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

Distance, Radial Speed, Proper Motion

Alsafi is distant 18.80 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

5.77
18.80
27 km/s
0.6 arcsec/y
-1.738"/y

Alternative Designations

Alsafi
σ Draconis
(sigma Draconis)
61 Draconis
SAO18396
SAO18396

Visibility from Your Location

Alsafi - σ Draconis (sigma Draconis) is circumpolar and transits at 19:59 UTC (altitude: 71.8°)