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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 Astronomical TwilightWhat's Visible Now?
All Constellations » Puppis » 


Altitude: -51.7°   Azimuth: 252.5°   Direction: West-South-West

HR3058 is a variable sub-giant star in the constellation of Puppis.

HR3058 visual magnitude is 5.84. Because of its reltive faintness, HR3058 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 HR3058 is 0 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 HR3058 star
DSS2 image of HR3058. The red arrow shows the motion of HR3058 during the next 10000 years (0.00 arcmin in Right Ascension and 1.83 arcmin in declination);

Key facts about HR3058


HR3058 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -51.7°
Azimuth: 252.5°
Direction: West-South-West

Celestial coordinates and finder chart of HR3058

HR3058 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 HR3058 are provided in the following table:

07h 49m 12s
-46° 51’ 28”

The simplified sky map below shows the position of HR3058 in the sky:

Finder chart HR3058 star
Simplified finder chart for HR3058.

Visibility of HR3058 from your location

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

HR3058 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3058 from the Sun and relative movement

HR3058 is distant 1,917.65 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

588.24 pc
1,917.65 ly
25 km/s
0.011 arcsec/year

Spectral properties of HR3058

HR3058 belongs to spectral class B1 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR3058 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3058. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3058