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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: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Puppis » 


Altitude: -37.0°   Azimuth: 98.0°   Direction: East

HR3170 is a variable supergiant star in the constellation of Puppis.

HR3170 visual magnitude is 5.31. Because of its reltive faintness, HR3170 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 HR3170 is -0.003 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3170 star
DSS2 image of HR3170. The red arrow shows the motion of HR3170 during the next 100000 years (-5.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Key facts about HR3170


HR3170 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -37.0°
Azimuth: 98.0°
Direction: East

Celestial coordinates and finder chart of HR3170

HR3170 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 HR3170 are provided in the following table:

08h 04m 16s
-32° 40’ 29”

The simplified sky map below shows the position of HR3170 in the sky:

Finder chart HR3170 star
Simplified finder chart for HR3170.

Visibility of HR3170 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 HR3170 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: 122.7°
Max altitude: 5.8°
Azimuth: 237.3°

Distance of HR3170 from the Sun and relative movement

HR3170 is distant 2,345.32 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

719.42 pc
2,345.32 ly
36 km/s
-0.003 arcsec/year
0.004 arcsec/year

Spectral properties of HR3170

HR3170 belongs to spectral class M1 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR3170 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3170. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3170