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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: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sleep NighttimeWhat's Visible Now?
All Constellations » Pisces » 

α Piscium (alpha Piscium)

Altitude: -26.4°   Azimuth: 315.3°   Direction: North-West

α Piscium is a double star in the constellation of Pisces.

α Piscium visual magnitude is 5.23. Because of its reltive faintness, α Piscium should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of α Piscium is 0.033 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of α Piscium (alpha Piscium) star
DSS2 image of α Piscium. The red arrow shows the motion of α Piscium during the next 10000 years (5.50 arcmin in Right Ascension and -0.83 arcmin in declination);

Key facts about α Piscium


α Piscium (alpha Piscium) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -26.4°
Azimuth: 315.3°
Direction: North-West

Celestial coordinates and finder chart of α Piscium

α 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 α Piscium are provided in the following table:

02h 02m 02s
+02° 45’ 48”

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

Finder chart α Piscium (alpha Piscium) star
Simplified finder chart for α Piscium (alpha Piscium).

Visibility of α 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 α Piscium (alpha 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: 87.2°
Max altitude: 41.3°
Azimuth: 272.8°

Distance of α Piscium from the Sun and relative movement

α Piscium is distant 139.02 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

42.64 pc
139.02 ly
9 km/s
0.033 arcsec/year
-0.005 arcsec/year

Spectral properties of α Piscium

α Piscium belongs to spectral class A3


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

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

α Piscium star system properties

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

2 arcsec

Alternative designations of α Piscium

α Piscium
(alpha Piscium)
113 Piscium