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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:10 
Transit: 13:06 
Sunset: 21:02
sunny   (Daytime)   What's Visible Now?
All Constellations » Musca » 

HR4804

Below the horizon.  Never rises today
Alt: -40.10°   Az: 192.97°   Direction: South-South-West

HR4804 is a double main-sequence star of spectral class B8 in the constellation of Musca.

HR4804 visual magnitude is 6.49. Because of its faintness, HR4804 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 HR4804 star
DSS2 image of HR4804. The red arrow shows the motion of HR4804 during the next 10000 years (-5.33 arcmin in Right Ascension and 5.17 arcmin in declination);

Celestial Coordinates

Apparent

12h 40m 51s
-75° 30’ 14”
02h 53m 15s
15h 34m 07s

J2000

12h 39m 14s
-75° 22’ 09”

Galactic Coordinates

302.14°
-12.52°

Finder Chart

Finder chart HR4804 star
Simplified finder chart for HR4804.

Magnitude, Color, Spectral Class

6.49
Main-sequence

-0.37
B8V
9226K

The red dot in the diagram below shows where HR4804 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4804. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4804 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 HR4804 double sysyem:

6.49
8.49
2
2 arcsec

Distance, Radial Speed, Proper Motion

HR4804 is distant 768.87 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

235.85
768.87
-20 km/s
-0.032 arcsec/y
0.031"/y

Alternative Designations

SAO256967
SAO256967

Visibility from Your Location

HR4804 is currently not visible from Greenwich, UK