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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 » Cassiopeia » 

υ1 Cassiopeiae (upsilon1 Cassiopeiae)

Altitude: 51.7°   Azimuth: 51.0°   Direction: North-East

υ1 Cassiopeiae is a multiple giant star in the constellation of Cassiopeia.

υ1 Cassiopeiae visual magnitude is 4.83. Because of its moderate brightness, υ1 Cassiopeiae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about υ1 Cassiopeiae:


υ1 Cassiopeiae (upsilon1 Cassiopeiae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 51.7°
Azimuth: 51.0°
Direction: North-East

Celestial coordinates and finder chart of υ1 Cassiopeiae

υ1 Cassiopeiae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of υ1 Cassiopeiae are provided in the following table:

00h 55m 00s
+58° 58’ 22”

The simplified sky map below shows the position of υ1 Cassiopeiae in the sky:

Finder chart υ1 Cassiopeiae (upsilon1 Cassiopeiae) star
Simplified finder chart for υ1 Cassiopeiae (upsilon1 Cassiopeiae).

Visibility of υ1 Cassiopeiae from your location

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

υ1 Cassiopeiae (upsilon1 Cassiopeiae) is circumpolar and transits at 19:53 UTC (altitude: 82.5°)

Digitized Sky Survey image of υ1 Cassiopeiae

The image below is a photograph of υ1 Cassiopeiae 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 υ1 Cassiopeiae is -0.032 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of υ1 Cassiopeiae (upsilon1 Cassiopeiae) star
DSS2 image of υ1 Cassiopeiae. The red arrow shows the motion of υ1 Cassiopeiae during the next 10000 years (-5.33 arcmin in Right Ascension and -7.17 arcmin in declination);

Distance of υ1 Cassiopeiae from the Sun and relative movement

υ1 Cassiopeiae is distant 406.48 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

124.69 pc
406.48 ly
-23 km/s
-0.032 arcsec/year
-0.043 arcsec/year

Spectral properties of υ1 Cassiopeiae

υ1 Cassiopeiae 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 υ1 Cassiopeiae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of υ1 Cassiopeiae. Attribution: Richard Powell / CC BY-SA

υ1 Cassiopeiae star system properties

υ1 Cassiopeiae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the υ1 Cassiopeiae double sysyem:

94.1 arcsec

Alternative designations of υ1 Cassiopeiae

υ1 Cassiopeiae
(upsilon1 Cassiopeiae)
26 Cassiopeiae