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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:14 
Sunset: 17:16
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All Constellations » Sagittarius » 

15 Sagittarii

Below the horizon.  Rise: 4:25 | Tran: 8:30 | Set: 12:35
Alt: -30.42°   Az: 274.53°   Direction: West

15 Sagittarii is a hypergiant star of spectral class B0 in the constellation of Sagittarius.

15 Sagittarii visual magnitude is 5.38. Because of its faintness, 15 Sagittarii 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 15 Sagittarii star
DSS2 image of 15 Sagittarii. The red arrow shows the motion of 15 Sagittarii during the next 100000 years (5.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

18h 16m 42s
-20° 43’ 06”
07h 32m 49s
01h 49m 32s

J2000

18h 15m 12s
-20° 43’ 41”

Galactic Coordinates

10.46°
-1.74°

Finder Chart

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Finder chart for 15 Sagittarii.

Magnitude, Color, Spectral Class

5.38
Hypergiant

-24.62
B0I
9328K

The red dot in the diagram below shows where 15 Sagittarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 15 Sagittarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

15 Sagittarii is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

10,000,000.00
32,600,000.00
-6 km/s
0.003 arcsec/y
0.003"/y

Alternative Designations

15 Sagittarii
SAO186543
SAO186543

Visibility from Your Location

Today's 15 Sagittarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.7°
Max altitude: 17.8°
Azimuth: 249.3°