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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
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: 75.0°   Azimuth: 135.8°   Direction: South-East

HR677 is a main-sequence star in the constellation of Andromeda.

HR677 visual magnitude is 6.63. Because of its reltive faintness, HR677 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 HR677:


HR677 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 75.0°
Azimuth: 135.8°
Direction: South-East

Celestial coordinates and finder chart of HR677

HR677 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 HR677 are provided in the following table:

02h 19m 37s
+39° 50’ 06”

The simplified sky map below shows the position of HR677 in the sky:

Finder chart HR677 star
Simplified finder chart for HR677.

Visibility of HR677 from your location

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

HR677 is circumpolar and transits at 21:37 UTC (altitude: 78.4°)

Digitized Sky Survey image of HR677

The image below is a photograph of HR677 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 HR677 is 0.033 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR677 star
DSS2 image of HR677. The red arrow shows the motion of HR677 during the next 10000 years (5.50 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR677 from the Sun and relative movement

HR677 is distant 654.62 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

200.80 pc
654.62 ly
-8 km/s
0.033 arcsec/year
-0.01 arcsec/year

Spectral properties of HR677

HR677 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR677 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR677. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR677