Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
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All Constellations » Aquarius » 

Situla - κ Aquarii (kappa Aquarii)

Situla, also designated as κ Aquarii (kappa Aquarii), is a double giant star in the constellation of Aquarius.

Situla visual magnitude is 5.03. Because of its reltive faintness, Situla should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about Situla:

Situla - κ Aquarii (kappa Aquarii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of Situla

Situla 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 Situla are provided in the following table:

22h 37m 45s
-04° 13’ 41”

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

Finder chart Situla - κ Aquarii (kappa Aquarii) star
Simplified finder chart for Situla - κ Aquarii (kappa Aquarii).

Visibility of Situla 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 Situla - κ Aquarii (kappa Aquarii) 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: 94.2°
Max altitude: 34.3°
Azimuth: 265.8°
Situla - κ Aquarii (kappa Aquarii) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Situla

The image below is a photograph of Situla 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 Situla is -0.067 arcsec per year in Right Ascension and -0.12 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Situla - κ Aquarii (kappa Aquarii) star
DSS2 image of Situla. The red arrow shows the motion of Situla during the next 1000 years (-1.12 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of Situla from the Sun and relative movement

Situla is distant 234.20 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

71.84 pc
234.20 ly
8 km/s
-0.067 arcsec/year
-0.12 arcsec/year

Spectral properties of Situla

Situla belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


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

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

Situla star system properties

Situla is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the Situla double sysyem:

98.3 arcsec

Alternative designations of Situla

κ Aquarii
(kappa Aquarii)