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: 4:46  
clear_day Transit: 12:56  
SunsetSet: 21:07 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Puppis » 


Altitude: -33.8°   Azimuth: 290.9°   Direction: West-North-West

HR2902 is a variable supergiant star in the constellation of Puppis.

HR2902 visual magnitude is 4.97. Because of its moderate brightness, HR2902 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 table below summarizes the key facts about HR2902:


HR2902 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -33.8°
Azimuth: 290.9°
Direction: West-North-West

Celestial coordinates and finder chart of HR2902

HR2902 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2902 are provided in the following table:

07h 33m 47s
-14° 31’ 26”

The simplified sky map below shows the position of HR2902 in the sky:

Finder chart HR2902 star
Simplified finder chart for HR2902.

Visibility of HR2902 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 HR2902 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: 104.5°
Max altitude: 24.0°
Azimuth: 255.5°
HR2902 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2902

The image below is a photograph of HR2902 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 HR2902 is -0.012 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2902 star
DSS2 image of HR2902. The red arrow shows the motion of HR2902 during the next 10000 years (-2.00 arcmin in Right Ascension and 0.67 arcmin in declination);

Distance of HR2902 from the Sun and relative movement

HR2902 is distant 3,360.82 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

1,030.93 pc
3,360.82 ly
22 km/s
-0.012 arcsec/year
0.004 arcsec/year

Spectral properties of HR2902

HR2902 belongs to spectral class M2 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR2902 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2902. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2902