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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
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Pisces » 

55 Piscium

Altitude: 58.5°   Azimuth: 201.9°   Direction: South-South-West

55 Piscium is a double hypergiant star in the constellation of Pisces.

55 Piscium visual magnitude is 5.36. Because of its reltive faintness, 55 Piscium should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 55 Piscium is 0.028 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 55 Piscium star
DSS2 image of 55 Piscium. The red arrow shows the motion of 55 Piscium during the next 10000 years (4.67 arcmin in Right Ascension and -5.83 arcmin in declination);

Key facts about 55 Piscium


55 Piscium is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 58.5°
Azimuth: 201.9°
Direction: South-South-West

Celestial coordinates and finder chart of 55 Piscium

55 Piscium 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 55 Piscium are provided in the following table:

00h 39m 55s
+21° 26’ 17”

The simplified sky map below shows the position of 55 Piscium in the sky:

Finder chart 55 Piscium star
Simplified finder chart for 55 Piscium.

Visibility of 55 Piscium 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 55 Piscium 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: 68.6°
Max altitude: 60.0°
Azimuth: 291.4°

Distance of 55 Piscium from the Sun and relative movement

55 Piscium is distant 410.58 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

125.94 pc
410.58 ly
-17 km/s
0.028 arcsec/year
-0.035 arcsec/year

Spectral properties of 55 Piscium

55 Piscium belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where 55 Piscium is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 55 Piscium. Attribution: Richard Powell / CC BY-SA

55 Piscium star system properties

55 Piscium is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 55 Piscium double sysyem:

6.6 arcsec

Alternative designations of 55 Piscium