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: 7:04  
clear_day Transit: 12:47  
SunsetSet: 18:30 south
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All Constellations » Pisces » 

Alrescha - α Piscium (alpha Piscium)

Altitude: -33.6°   Azimuth: 21.9°   Direction: North-North-East

Alrescha, also designated as α Piscium (alpha Piscium), is a variable and double hypergiant star in the constellation of Pisces.

Alrescha visual magnitude is 4.33. Because of its moderate brightness, Alrescha 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 Alrescha:


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

Altitude: -33.6°
Azimuth: 21.9°
Direction: North-North-East

Celestial coordinates and finder chart of Alrescha

Alrescha 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 Alrescha are provided in the following table:

02h 02m 02s
+02° 45’ 48”

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

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

Visibility of Alrescha 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 Alrescha - 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°

Digitized Sky Survey image of Alrescha

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

Spectral properties of Alrescha

Alrescha belongs to spectral class A0 Alrescha is also a SiSr chemically peculiar star.


Alrescha star system properties

Alrescha 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 Alrescha double sysyem:

4 arcsec

Alternative designations of Alrescha

α Piscium
(alpha Piscium)
113 Piscium