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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Microscopium » 


Altitude: -17.3°   Azimuth: 242.5°   Direction: West-South-West

HR7856 is a main-sequence star in the constellation of Microscopium.

HR7856 visual magnitude is 6.4. Because of its reltive faintness, HR7856 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 HR7856:


HR7856 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -17.3°
Azimuth: 242.5°
Direction: West-South-West

Celestial coordinates and finder chart of HR7856

HR7856 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7856 are provided in the following table:

20h 34m 47s
-30° 28’ 24”

The simplified sky map below shows the position of HR7856 in the sky:

Finder chart HR7856 star
Simplified finder chart for HR7856.

Visibility of HR7856 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 HR7856 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: 120.5°
Max altitude: 8.0°
Azimuth: 239.5°

Digitized Sky Survey image of HR7856

The image below is a photograph of HR7856 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 HR7856 is 0.018 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7856 star
DSS2 image of HR7856. The red arrow shows the motion of HR7856 during the next 10000 years (3.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR7856 from the Sun and relative movement

HR7856 is distant 592.73 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

181.82 pc
592.73 ly
3 km/s
0.018 arcsec/year
-0.02 arcsec/year

Spectral properties of HR7856

HR7856 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 HR7856 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR7856. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7856