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: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
sunny DaytimeWhat's Visible Now
All Constellations » Leo » 


HR4245 is a giant star in the constellation of Leo.

HR4245 visual magnitude is 6.31. Because of its reltive faintness, HR4245 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 HR4245:

HR4245 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 35°.

Celestial coordinates and finder chart of HR4245

HR4245 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 HR4245 are provided in the following table:

10h 52m 36s
-00° 12’ 05”

The simplified sky map below shows the position of HR4245 in the sky:

Finder chart HR4245 star
Simplified finder chart for HR4245.

Visibility of HR4245 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 HR4245 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: 90.2°
Max altitude: 38.3°
Azimuth: 269.8°
HR4245 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4245

The image below is a photograph of HR4245 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 HR4245 is -0.009 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4245 star
DSS2 image of HR4245. The red arrow shows the motion of HR4245 during the next 10000 years (-1.50 arcmin in Right Ascension and -3.00 arcmin in declination);

Distance of HR4245 from the Sun and relative movement

HR4245 is distant 829.52 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

254.45 pc
829.52 ly
9 km/s
-0.009 arcsec/year
-0.018 arcsec/year

Spectral properties of HR4245

HR4245 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4245 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4245. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4245