HR3991
HR3991 is a main-sequence star of spectral class F5 in the constellation of Hydra.
HR3991 visual magnitude is 5.31. Because of its faintness, HR3991 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.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR3991 is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
HR3991 is distant 89.05 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's HR3991 rise, transit and set times from Plandome, United States are the following (all times relative to the local timezone America/New_York):