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public LocationGreenwich, UK
Sunrise: 4:59 
Transit: 13:04 
Sunset: 21:08
sunny   (Daytime)   What's Visible Now?
All Constellations » Hydra » 


Above the horizon.  Rise: 14:19 | Tran: 16:28 | Set: 18:37
Alt: 4.10°   Az: 170.78°   Direction: South

HR4282 is a variable and double main-sequence star of spectral class F2 in the constellation of Hydra.

HR4282 visual magnitude is 5.71. Because of its faintness, HR4282 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

HR4282 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere.

Image of HR4282 star
DSS2 image of HR4282. The red arrow shows the motion of HR4282 during the next 10000 years (2.67 arcmin in Right Ascension and -7.17 arcmin in declination);

Celestial Coordinates


11h 00m 23s
-33° 52’ 08”
23h 15m 37s


10h 59m 13s
-33° 44’ 13”

Galactic Coordinates


Finder Chart

Finder chart HR4282 star
Simplified finder chart for HR4282.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR4282 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4282. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4282 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4282 double sysyem:

1.8 arcsec

Distance, Radial Speed, Proper Motion

HR4282 is distant 158.56 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

48.64 pc
158.56 ly
-10 km/s
0.016 arcsec/y
-0.043 "/y

Alternative Designations


Visibility from Your Location

Today's HR4282 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.9°
Max altitude: 4.7°
Azimuth: 236.1°