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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
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
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All Constellations » Puppis » 

Naos - ζ Puppis (zeta Puppis)

Altitude: -78.4°   Azimuth: 352.1°   Direction: North

Naos, also designated as ζ Puppis (zeta Puppis), is a star in the constellation of Puppis.

Naos visual magnitude is 2.25, making it the 71th brightest star in the sky. Thanks to its high brightness, Naos is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The table below summarizes the key facts about Naos:


Naos - ζ Puppis (zeta Puppis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -78.4°
Azimuth: 352.1°
Direction: North

Celestial coordinates and finder chart of Naos

Naos 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 Naos are provided in the following table:

08h 03m 35s
-40° 00’ 11”

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

Finder chart Naos - ζ Puppis (zeta Puppis) star
Simplified finder chart for Naos - ζ Puppis (zeta Puppis).

Visibility of Naos from your location

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

Naos - ζ Puppis (zeta Puppis) is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of Naos

The image below is a photograph of Naos 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 Naos is -0.027 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Naos - ζ Puppis (zeta Puppis) star
DSS2 image of Naos. The red arrow shows the motion of Naos during the next 10000 years (-4.50 arcmin in Right Ascension and 2.00 arcmin in declination);

Distance of Naos from the Sun and relative movement

Naos is distant 1,399.14 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

429.18 pc
1,399.14 ly
-24 km/s
-0.027 arcsec/year
0.012 arcsec/year

Spectral properties of Naos

Naos belongs to spectral class O5


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

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

Alternative designations of Naos

ζ Puppis
(zeta Puppis)