Regulus (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Regulus will become visible at around 21:20 (EDT), 18° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 38 minutes after the Sun at 23:03.
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|
Name
Regulus
|
Object type
Star
|
Other names
Position
| Right ascension: | 10h08m22s [3] |
| Declination: | +11°58'01" [3] |
| Constellation: | Leo |
| Magnitude: Variable | 1.41 (V) [3] 1.36 (BT) [2] 1.40 (VT) [2] |
| Distance: | 24.3 parsec 79.3 lightyrs [5] |
| B-V Color (mag): | -0.04 |
| Proper motion (speed): | 248.8 mas/yr[5] |
| Proper motion (pos ang): | 271.3° |
Derived quantities
| Absolute mag (V): | -0.52 |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 12 Nov 2025 | – Lunar occultation of Regulus |
| 10 Dec 2025 | – Lunar occultation of Regulus |
| 06 Jan 2026 | – Lunar occultation of Regulus |
| 02 Feb 2026 | – Lunar occultation of Regulus |
| 02 Mar 2026 | – Lunar occultation of Regulus |
| 29 Mar 2026 | – Lunar occultation of Regulus |
| 25 Apr 2026 | – Lunar occultation of Regulus |
| 23 May 2026 | – Lunar occultation of Regulus |