Your Guide to the Solar System and the Night Sky
Donate now! You'll help cover server costs, enhance the site and keep it ad-free.
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: -48.8°   Azimuth: 294.5°   Direction: West-North-West

HR2900 is a main-sequence star in the constellation of Puppis.

HR2900 visual magnitude is 5.85. Because of its reltive faintness, HR2900 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 HR2900:


HR2900 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -48.8°
Azimuth: 294.5°
Direction: West-North-West

Celestial coordinates and finder chart of HR2900

HR2900 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 HR2900 are provided in the following table:

07h 33m 09s
-24° 42’ 38”

The simplified sky map below shows the position of HR2900 in the sky:

Finder chart HR2900 star
Simplified finder chart for HR2900.

Visibility of HR2900 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 HR2900 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: 114.7°
Max altitude: 13.8°
Azimuth: 245.3°
HR2900 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2900

The image below is a photograph of HR2900 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 HR2900 is -0.01 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2900 star
DSS2 image of HR2900. The red arrow shows the motion of HR2900 during the next 10000 years (-1.67 arcmin in Right Ascension and 2.17 arcmin in declination);

Distance of HR2900 from the Sun and relative movement

HR2900 is distant 305.82 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

93.81 pc
305.82 ly
15 km/s
-0.01 arcsec/year
0.013 arcsec/year

Spectral properties of HR2900

HR2900 belongs to spectral class A7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR2900 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2900. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2900