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: 6:47  
clear_day Transit: 12:50  
SunsetSet: 18:52 south
sleep NighttimeWhat's Visible Now
All Constellations » Puppis » 


Altitude: -70.7°   Azimuth: 57.3°   Direction: East-North-East

HR3084 is a variable main-sequence star in the constellation of Puppis.

HR3084 visual magnitude is 4.49. Because of its moderate brightness, HR3084 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 HR3084:


HR3084 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -70.7°
Azimuth: 57.3°
Direction: East-North-East

Celestial coordinates and finder chart of HR3084

HR3084 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 HR3084 are provided in the following table:

07h 52m 38s
-38° 51’ 47”

The simplified sky map below shows the position of HR3084 in the sky:

Finder chart HR3084 star
Simplified finder chart for HR3084.

Visibility of HR3084 from your location

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

HR3084 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3084

The image below is a photograph of HR3084 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 HR3084 is -0.002 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3084 star
DSS2 image of HR3084. The red arrow shows the motion of HR3084 during the next 100000 years (-3.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of HR3084 from the Sun and relative movement

HR3084 is distant 640.47 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

196.46 pc
640.47 ly
-31 km/s
-0.002 arcsec/year
-0.006 arcsec/year

Spectral properties of HR3084

HR3084 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3084 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3084. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3084