Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:49  
clear_day Transit: 12:50  
SunsetSet: 18:50 south
sleep NighttimeWhat's Visible Now
All Constellations » Cancer » 


Altitude: -1.9°   Azimuth: 27.0°   Direction: North-North-East

HR3423 is a giant star in the constellation of Cancer.

HR3423 visual magnitude is 6.1. Because of its reltive faintness, HR3423 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR3423:


HR3423 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.9°
Azimuth: 27.0°
Direction: North-North-East

Celestial coordinates and finder chart of HR3423

HR3423 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3423 are provided in the following table:

08h 40m 18s
+31° 56’ 30”

The simplified sky map below shows the position of HR3423 in the sky:

Finder chart HR3423 star
Simplified finder chart for HR3423.

Visibility of HR3423 from your location

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

Today's HR3423 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.1°
Max altitude: 70.5°
Azimuth: 301.9°

Digitized Sky Survey image of HR3423

The image below is a photograph of HR3423 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR3423 is -0.035 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3423 star
DSS2 image of HR3423. The red arrow shows the motion of HR3423 during the next 10000 years (-5.83 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of HR3423 from the Sun and relative movement

HR3423 is distant 350.16 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

107.41 pc
350.16 ly
13 km/s
-0.035 arcsec/year
-0.028 arcsec/year

Spectral properties of HR3423

HR3423 belongs to spectral class F5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3423 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3423. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3423