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public  Greenwich, UK Greenwich, UK  ⓘ
Timezone: Europe/London
Sunrise: 5:06 
Transit: 12:56 
Sunset: 20:47
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In Evidence

New Comet C/2025 J1 (Borisov) Discovered in May 2025
Detailed information about the discovery of Comet C/2025 J1 (Borisov) and pointers to useful resources to track and observe it. Read more...

Other stars in Cancer
All Constellations » Cancer » 

HR3428

Above the horizon.  Rise: 10:15 | Tran: 17:59 | Set: 1:46
Alt: 48.92°   Az: 231.53°   Direction: South-West

HR3428 is a multiple giant star of spectral class G9 in the constellation of Cancer.

HR3428 visual magnitude is 6.44. Because of its faintness, HR3428 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.

Image of HR3428 star
DSS2 image of HR3428. The red arrow shows the motion of HR3428 during the next 10000 years (-5.83 arcmin in Right Ascension and -2.83 arcmin in declination);

Celestial Coordinates

Apparent

08h 41m 49s
+19° 34’ 43”
02h 12m 23s
10h 54m 12s

J2000

08h 40m 22s
+19° 40’ 12”

Galactic Coordinates

205.89°
32.48°

Finder Chart

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Finder chart for HR3428.

Magnitude, Color, Spectral Class

⬤
6.44
Giant

-0.39
G9III
1.02
4695K

The red dot in the diagram below shows where HR3428 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3428. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3428 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3428 double sysyem:

6.44
7.74
1.3
63.2 arcsec

Distance, Radial Speed, Proper Motion

HR3428 is distant 756.38 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

232.02
756.38
36 km/s
-0.035 arcsec/y
-0.017"/y

Alternative Designations

HD73710
SAO98021
SAO98021
HIP42549
BD+20 2166
ADS6921

Visibility from Your Location

Today's HR3428 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.4°
Max altitude: 58.1°
Azimuth: 289.6°