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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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All Constellations » Sagittarius » 

Albaldah - π Sagittarii (pi Sagittarii)

Altitude: -5.8°   Azimuth: 243.1°   Direction: West-South-West

Albaldah, also designated as π Sagittarii (pi Sagittarii), is a variable and multiple bright giant star in the constellation of Sagittarius.

Albaldah visual magnitude is 2.89. Thanks to its high brightness, Albaldah is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The table below summarizes the key facts about Albaldah:

Bright giant

Albaldah - π Sagittarii (pi Sagittarii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -5.8°
Azimuth: 243.1°
Direction: West-South-West

Celestial coordinates and finder chart of Albaldah

Albaldah is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Albaldah are provided in the following table:

19h 09m 45s
-21° 01’ 24”

The simplified sky map below shows the position of Albaldah in the sky:

Finder chart Albaldah - π Sagittarii (pi Sagittarii) star
Simplified finder chart for Albaldah - π Sagittarii (pi Sagittarii).

Visibility of Albaldah from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Albaldah - π Sagittarii (pi Sagittarii) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 111.0°
Max altitude: 17.5°
Azimuth: 249.0°

Digitized Sky Survey image of Albaldah

The image below is a photograph of Albaldah from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Albaldah is 0 arcsec per year in Right Ascension and -0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Albaldah - π Sagittarii (pi Sagittarii) star
DSS2 image of Albaldah. The red arrow shows the motion of Albaldah during the next 10000 years (0.00 arcmin in Right Ascension and -5.83 arcmin in declination);

Distance of Albaldah from the Sun and relative movement

Albaldah is distant 439.95 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

134.95 pc
439.95 ly
-10 km/s
-0.035 arcsec/year

Spectral properties of Albaldah

Albaldah belongs to spectral class F2 and has a luminosity class of II corresponding to a bright giant star.


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

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

Alternative designations of Albaldah

π Sagittarii
(pi Sagittarii)
41 Sagittarii