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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: 7:03  
clear_day Transit: 12:12  
SunsetSet: 17:22
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All Constellations » Vela » 


Altitude: -8.8°   Azimuth: 171.0°   Direction: South

HR3445 is a variable and double supergiant star in the constellation of Vela.

HR3445 visual magnitude is 3.84. Because of its moderate brightness, HR3445 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The proper motion of HR3445 is 0 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3445 star
DSS2 image of HR3445. The red arrow shows the motion of HR3445 during the next 100000 years (0.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about HR3445


HR3445 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.8°
Azimuth: 171.0°
Direction: South

Celestial coordinates and finder chart of HR3445

HR3445 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 HR3445 are provided in the following table:

08h 40m 37s
-46° 38’ 56”

The simplified sky map below shows the position of HR3445 in the sky:

Finder chart HR3445 star
Simplified finder chart for HR3445.

Visibility of HR3445 from your location

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

HR3445 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3445 from the Sun and relative movement

HR3445 is distant 3,104.76 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

952.38 pc
3,104.76 ly
25 km/s
0.003 arcsec/year

Spectral properties of HR3445

HR3445 belongs to spectral class F3 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR3445 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3445. Attribution: Richard Powell / CC BY-SA

HR3445 star system properties

HR3445 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3445 double sysyem:

37.5 arcsec

Alternative designations of HR3445