We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:23 
Transit: 12:45 
Sunset: 18:07
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Sagittarius » 

Alnasl - γ2 Sagittarii (gamma2 Sagittarii)

Below the horizon.  Rise: 14:43 | Tran: 17:32 | Set: 20:21
Alt: -59.53°   Az: 57.86°   Direction: East-North-East

Alnasl, also designated as γ2 Sagittarii (gamma2 Sagittarii), is a variable hypergiant star of spectral class K0 in the constellation of Sagittarius.

Alnasl visual magnitude is 2.99. Because of its brightness, Alnasl is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Alnasl - γ2 Sagittarii (gamma2 Sagittarii) star
DSS2 image of Alnasl. The red arrow shows the motion of Alnasl during the next 1000 years (-0.88 arcmin in Right Ascension and -3.08 arcmin in declination);

Celestial Coordinates

Apparent

18h 07m 24s
-30° 25’ 12”
13h 59m 26s
08h 06m 50s

J2000

18h 05m 48s
-30° 25’ 27”

Galactic Coordinates

0.92°
-4.54°

Finder Chart

Finder chart Alnasl - γ2 Sagittarii (gamma2 Sagittarii) star
Simplified finder chart for Alnasl - γ2 Sagittarii (gamma2 Sagittarii).

Magnitude, Color, Spectral Class

2.99
Hypergiant

0.64
K0III
4743K

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

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

Distance, Radial Speed, Proper Motion

Alnasl is distant 96.05 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

29.46
96.05
22 km/s
-0.053 arcsec/y
-0.185"/y

Alternative Designations

Alnasl
γ2 Sagittarii
(gamma2 Sagittarii)
10 Sagittarii
SAO209696
SAO209696

Visibility from Your Location

Today's Alnasl - γ2 Sagittarii (gamma2 Sagittarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 120.4°
Max altitude: 8.1°
Azimuth: 239.6°