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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Musca » 


Altitude: -38.7°   Azimuth: 197.8°   Direction: South-South-West

HR4907 is a giant star in the constellation of Musca.

HR4907 visual magnitude is 5.93. Because of its reltive faintness, HR4907 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4907 is -0.027 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4907 star
DSS2 image of HR4907. The red arrow shows the motion of HR4907 during the next 10000 years (-4.50 arcmin in Right Ascension and -1.83 arcmin in declination);

Key facts about HR4907


HR4907 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -38.7°
Azimuth: 197.8°
Direction: South-South-West

Celestial coordinates and finder chart of HR4907

HR4907 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4907 are provided in the following table:

12h 56m 31s
-72° 11’ 07”

The simplified sky map below shows the position of HR4907 in the sky:

Finder chart HR4907 star
Simplified finder chart for HR4907.

Visibility of HR4907 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4907 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4907 from the Sun and relative movement

HR4907 is distant 698.07 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

214.13 pc
698.07 ly
10 km/s
-0.027 arcsec/year
-0.011 arcsec/year

Spectral properties of HR4907

HR4907 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4907 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4907. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4907