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
sunny DaytimeWhat's Visible Now
All Constellations » Lacerta » 


Altitude: 12.2°   Azimuth: 354.0°   Direction: North

HR8705 is a main-sequence star in the constellation of Lacerta.

HR8705 visual magnitude is 6.46. Because of its reltive faintness, HR8705 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 HR8705:


HR8705 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.2°
Azimuth: 354.0°
Direction: North

Celestial coordinates and finder chart of HR8705

HR8705 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 HR8705 are provided in the following table:

22h 52m 52s
+50° 24’ 42”

The simplified sky map below shows the position of HR8705 in the sky:

Finder chart HR8705 star
Simplified finder chart for HR8705.

Visibility of HR8705 from your location

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

HR8705 is circumpolar and transits at 05:55 UTC (altitude: 88.9°)

Digitized Sky Survey image of HR8705

The image below is a photograph of HR8705 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 HR8705 is 0.019 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8705 star
DSS2 image of HR8705. The red arrow shows the motion of HR8705 during the next 10000 years (3.17 arcmin in Right Ascension and -1.83 arcmin in declination);

Distance of HR8705 from the Sun and relative movement

HR8705 is distant 791.26 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

242.72 pc
791.26 ly
-11 km/s
0.019 arcsec/year
-0.011 arcsec/year

Spectral properties of HR8705

HR8705 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 HR8705 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8705. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8705