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: 6:44  
clear_day Transit: 12:51  
SunsetSet: 18:57 south
sleep NighttimeWhat's Visible Now
All Constellations » Ursa Major » 


Altitude: 12.9°   Azimuth: 15.6°   Direction: North-North-East

HR3778 is a main-sequence star in the constellation of Ursa Major.

HR3778 visual magnitude is 6.76. Because of its reltive faintness, HR3778 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 HR3778:


HR3778 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.9°
Azimuth: 15.6°
Direction: North-North-East

Celestial coordinates and finder chart of HR3778

HR3778 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3778 are provided in the following table:

09h 33m 07s
+49° 26’ 18”
Ursa Major

The simplified sky map below shows the position of HR3778 in the sky:

Finder chart HR3778 star
Simplified finder chart for HR3778.

Visibility of HR3778 from your location

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

HR3778 is circumpolar and transits at 09:29 UTC (altitude: 88.0°)

Digitized Sky Survey image of HR3778

The image below is a photograph of HR3778 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 HR3778 is -0.024 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3778 star
DSS2 image of HR3778. The red arrow shows the motion of HR3778 during the next 10000 years (-4.00 arcmin in Right Ascension and 1.50 arcmin in declination);

Distance of HR3778 from the Sun and relative movement

HR3778 is distant 296.90 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

91.07 pc
296.90 ly
-10 km/s
-0.024 arcsec/year
0.009 arcsec/year

Spectral properties of HR3778

HR3778 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3778 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3778. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3778