Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:38  ☀️ Transit: 13:03  🌅 Sunset: 19:28

66 Andromedae

66 Andromedae is a main-sequence star in the constellation of Andromeda.

66 Andromedae visual magnitude is 6.12. Because of its reltive faintness, 66 Andromedae 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 66 Andromedae:

66 Andromedae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 40°.

Celestial coordinates and finder chart of 66 Andromedae

66 Andromedae 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 66 Andromedae are provided in the following table:

02h 27m 51s
+50° 34’ 10”

The simplified sky map below shows the position of 66 Andromedae in the sky:

Finder chart 66 Andromedae star
Simplified finder chart for 66 Andromedae.

Visibility of 66 Andromedae from your location

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

66 Andromedae is circumpolar and transits at 13:53 UTC (altitude: 89.1°)

Digitized Sky Survey image of 66 Andromedae

The image below is a photograph of 66 Andromedae 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 66 Andromedae is 0.036 arcsec per year in Right Ascension and -0.093 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 66 Andromedae star
DSS2 image of 66 Andromedae. The red arrow shows the motion of 66 Andromedae during the next 1000 years (0.60 arcmin in Right Ascension and -1.55 arcmin in declination);

Distance of 66 Andromedae from the Sun and relative movement

66 Andromedae is distant 173.04 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

53.08 pc
173.04 ly
-4 km/s
0.036 arcsec/year
-0.093 arcsec/year

Spectral properties of 66 Andromedae

66 Andromedae 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 66 Andromedae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 66 Andromedae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 66 Andromedae

66 Andromedae