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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: 5:51  
clear_day Transit: 12:57  
SunsetSet: 20:04
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -15.5°   Azimuth: 163.0°   Direction: South-South-East

HR3784 is a main-sequence star in the constellation of Vela.

HR3784 visual magnitude is 5.45. Because of its reltive faintness, HR3784 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 HR3784 is -0.004 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3784 star
DSS2 image of HR3784. The red arrow shows the motion of HR3784 during the next 100000 years (-6.67 arcmin in Right Ascension and 15.00 arcmin in declination);

Key facts about HR3784


HR3784 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -15.5°
Azimuth: 163.0°
Direction: South-South-East

Celestial coordinates and finder chart of HR3784

HR3784 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 HR3784 are provided in the following table:

09h 30m 05s
-51° 31’ 01”

The simplified sky map below shows the position of HR3784 in the sky:

Finder chart HR3784 star
Simplified finder chart for HR3784.

Visibility of HR3784 from your location

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

HR3784 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3784 from the Sun and relative movement

HR3784 is distant 415.29 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

127.39 pc
415.29 ly
10 km/s
-0.004 arcsec/year
0.009 arcsec/year

Spectral properties of HR3784

HR3784 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3784 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3784. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3784