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public  Greenwich, UK Greenwich, UK  ⓘ
Timezone: Europe/London
Sunrise: 5:03 
Transit: 12:56 
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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 Musca
All Constellations » Musca » 

HR4806

Below the horizon.  Never rises today
Alt: -49.27°   Az: 144.27°   Direction: South-East

HR4806 is a double supergiant star of spectral class B1 in the constellation of Musca.

HR4806 visual magnitude is 6.25. Because of its faintness, HR4806 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 HR4806 star
DSS2 image of HR4806. The red arrow shows the motion of HR4806 during the next 100000 years (-10.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

12h 40m 24s
-67° 19’ 56”
17h 25m 38s
06h 06m 03s

J2000

12h 38m 52s
-67° 11’ 35”

Galactic Coordinates

301.71°
-4.35°

Finder Chart

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Finder chart for HR4806.

Magnitude, Color, Spectral Class

⬤
6.25
Supergiant

-11.36
B1I
0.06
9434K

The red dot in the diagram below shows where HR4806 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4806. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4806 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR4806 double sysyem:

6.25
11.95
5.7
17 arcsec

Distance, Radial Speed, Proper Motion

HR4806 is distant 108,666.67 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

33,333.33
108,666.67
-16 km/s
-0.006 arcsec/y
-0.002"/y

Alternative Designations

HD109867
SAO251980
SAO251980
HIP61703
CP-66 1861

Visibility from Your Location

HR4806 is currently not visible from Greenwich, UK