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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 11:44 
Sunset: 16:15
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Orion » 

HR1778

Below the horizon.  Rise: 20:42 | Tran: 2:01 | Set: 7:17
Alt: -46.18°   Az: 13.89°   Direction: North-North-East

HR1778 is a double giant star of spectral class B8 in the constellation of Orion.

HR1778 visual magnitude is 5.9. Because of its faintness, HR1778 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR1778 star
DSS2 image of HR1778. The red arrow shows the motion of HR1778 during the next 10000 years (0.50 arcmin in Right Ascension and -2.67 arcmin in declination);

Celestial Coordinates

Apparent

05h 24m 30s
-08° 23’ 38”
12h 38m 40s
18h 03m 10s

J2000

05h 23m 18s
-08° 24’ 56”

Galactic Coordinates

210.5°
-23.39°

Finder Chart

Finder chart HR1778 star
Simplified finder chart for HR1778.

Magnitude, Color, Spectral Class

5.9
Giant

0.00
B8III
10516K

The red dot in the diagram below shows where HR1778 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1778. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1778 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1778 double sysyem:

5.9
7.6
1.7
6 arcsec

Distance, Radial Speed, Proper Motion

HR1778 is distant 493.19 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

151.29
493.19
15 km/s
0.003 arcsec/y
-0.016"/y

Alternative Designations

SAO132053
SAO132053

Visibility from Your Location

Today's HR1778 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.4°
Max altitude: 30.1°
Azimuth: 261.6°