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: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Perseus » 

56 Persei

Altitude: -3.5°   Azimuth: 347.5°   Direction: North-North-West

56 Persei is a variable and double main-sequence star in the constellation of Perseus.

56 Persei visual magnitude is 5.76. Because of its reltive faintness, 56 Persei 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 56 Persei:


56 Persei is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.5°
Azimuth: 347.5°
Direction: North-North-West

Celestial coordinates and finder chart of 56 Persei

56 Persei 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 56 Persei are provided in the following table:

04h 24m 37s
+33° 57’ 34”

The simplified sky map below shows the position of 56 Persei in the sky:

Finder chart 56 Persei star
Simplified finder chart for 56 Persei.

Visibility of 56 Persei 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 56 Persei 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: 56.0°
Max altitude: 72.5°
Azimuth: 304.0°
56 Persei is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 56 Persei

The image below is a photograph of 56 Persei 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 56 Persei is 0.043 arcsec per year in Right Ascension and -0.072 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 56 Persei star
DSS2 image of 56 Persei. The red arrow shows the motion of 56 Persei during the next 10000 years (7.17 arcmin in Right Ascension and -12.00 arcmin in declination);

Distance of 56 Persei from the Sun and relative movement

56 Persei is distant 135.83 light years from the Sun and it is moving towards the Sun at the speed of 32 kilometers per second.

41.67 pc
135.83 ly
-32 km/s
0.043 arcsec/year
-0.072 arcsec/year

Spectral properties of 56 Persei

56 Persei belongs to spectral class F4 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 56 Persei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 56 Persei. Attribution: Richard Powell / CC BY-SA

56 Persei star system properties

56 Persei 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 56 Persei double sysyem:

4.9 arcsec

Alternative designations of 56 Persei