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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: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -69.6°   Azimuth: 88.2°   Direction: East

HR3658 is a giant star in the constellation of Vela.

HR3658 visual magnitude is 5.79. Because of its reltive faintness, HR3658 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 HR3658 is -0.018 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3658 star
DSS2 image of HR3658. The red arrow shows the motion of HR3658 during the next 10000 years (-3.00 arcmin in Right Ascension and 1.67 arcmin in declination);

Key facts about HR3658


HR3658 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -69.6°
Azimuth: 88.2°
Direction: East

Celestial coordinates and finder chart of HR3658

HR3658 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 HR3658 are provided in the following table:

09h 11m 33s
-46° 35’ 02”

The simplified sky map below shows the position of HR3658 in the sky:

Finder chart HR3658 star
Simplified finder chart for HR3658.

Visibility of HR3658 from your location

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

HR3658 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3658 from the Sun and relative movement

HR3658 is distant 1,143.86 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

350.88 pc
1,143.86 ly
7 km/s
-0.018 arcsec/year
0.01 arcsec/year

Spectral properties of HR3658

HR3658 belongs to spectral class B2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3658 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3658. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3658