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: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
sleep NighttimeWhat's Visible Now
All Constellations » Virgo » 


Altitude: -30.9°   Azimuth: 359.0°   Direction: North

HR4770 is a star in the constellation of Virgo.

HR4770 visual magnitude is 6.05. Because of its reltive faintness, HR4770 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 HR4770:


HR4770 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -30.9°
Azimuth: 359.0°
Direction: North

Celestial coordinates and finder chart of HR4770

HR4770 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4770 are provided in the following table:

12h 31m 21s
+07° 36’ 15”

The simplified sky map below shows the position of HR4770 in the sky:

Finder chart HR4770 star
Simplified finder chart for HR4770.

Visibility of HR4770 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 HR4770 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: 82.4°
Max altitude: 46.1°
Azimuth: 277.6°

Digitized Sky Survey image of HR4770

The image below is a photograph of HR4770 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 HR4770 is -0.018 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 HR4770 star
DSS2 image of HR4770. The red arrow shows the motion of HR4770 during the next 10000 years (-3.00 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR4770 from the Sun and relative movement

HR4770 is distant 795.12 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

243.90 pc
795.12 ly
-17 km/s
-0.018 arcsec/year
0.01 arcsec/year

Spectral properties of HR4770

HR4770 belongs to spectral class K5


The red dot in the diagram below shows where HR4770 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4770. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4770