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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:15 
Transit: 12:47 
Sunset: 18:17
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Hydra » 

HR3808

Below the horizon.  Rise: 5:18 | Tran: 9:20 | Set: 13:22
Alt: -12.60°   Az: 251.65°   Direction: West-South-West

HR3808 is a hypergiant star of spectral class K0 in the constellation of Hydra.

HR3808 visual magnitude is 5.01. Because of its faintness, HR3808 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 HR3808 star
DSS2 image of HR3808. The red arrow shows the motion of HR3808 during the next 10000 years (-3.33 arcmin in Right Ascension and 2.50 arcmin in declination);

Celestial Coordinates

Apparent

09h 34m 21s
-21° 13’ 35”
05h 34m 15s
15h 08m 36s

J2000

09h 33m 12s
-21° 06’ 56”

Galactic Coordinates

252.97°
21.98°

Finder Chart

Finder chart HR3808 star
Simplified finder chart for HR3808.

Magnitude, Color, Spectral Class

5.01
Hypergiant

-0.04
K0IV
4695K

The red dot in the diagram below shows where HR3808 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3808. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3808 is distant 334.02 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

102.46
334.02
13 km/s
-0.02 arcsec/y
0.015"/y

Alternative Designations

SAO177642
SAO177642
Gl 355.2

Visibility from Your Location

Today's HR3808 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 111.2°
Max altitude: 17.3°
Azimuth: 248.8°