In Evidence
Detailed information about the discovery of Comet C/2025 J1 (Borisov) and pointers to useful resources to track and observe it. Read more...
Other stars in Horologium
HR1021
Below the horizon.
Never rises today
Alt: -23.92°
Az: 222.12°
Direction: South-West
HR1021 is a hypergiant star of spectral class K0 in the constellation of Horologium.
HR1021 visual magnitude is 6.39. Because of its faintness, HR1021 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.
DSS2 image of HR1021. The red arrow shows the motion of HR1021 during the next
10000 years (-0.33 arcmin in Right Ascension and -3.83 arcmin in declination);
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
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Finder chart for HR1021.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR1021 is situated in the HertzsprungāRussell diagram.
H-R diagram showing the position of HR1021.
Attribution: Richard Powell / CC BY-SA
Distance, Radial Speed, Proper Motion
HR1021 is distant 453.41 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.
Alternative Designations
Visibility from Your Location
HR1021 is currently not visible from Greenwich, UK