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9 Ιουν 2023 · 2023-06-09. Arcturus, Alpha Boötis (α Boo), is a red giant star located 36.7 light-years away in the northern constellation Boötes. With an apparent magnitude of -0.05, it is the brightest star in Boötes and the 4th brightest star in the sky. Arcturus is the brightest star in the northern celestial hemisphere, just outshining Vega and Capella.
11 Φεβ 2022 · The latter part of that phrase refers to the bright star Spica, which is actually a binary star. Arcturus's location is: Right ascension: 14 hours, 15 minutes, 39.7 seconds. Declination: +19...
It’s this ‘isolation’ from nearby bright stars that make Arcturus so easy to identify in the sky. How to Find Arcturus. Arcturus is visible from both the northern and southern hemispheres, located at 19°north of the celestial equator. To locate the Arcturus, find the Big Dipper asterism in the northern hemisphere.
Here you can see the current position of the Arcturus on the map, as well as its positions for rise and set. This tool allows you to track the Arcturus's movement throughout the night, providing you with accurate and up-to-date information.
31 Αυγ 2014 · Arcturus, Alpha Boötis, is the brightest star in Boötes constellation and the fourth brightest star in the sky. With an apparent magnitude of -0.04, Arcturus is the brightest star in the northern celestial hemisphere.
9 Μαΐ 2024 · Bottom line: The 4th-brightest star in all the sky is Arcturus, a brilliant orangish star that’s easy to find in Northern Hemisphere spring skies with the aid of the Big Dipper.
Coordinates: 14 h 15 m 39.7 s, 19° 10′ 56″. Arcturus is the brightest star in the northern constellation of Boötes. With an apparent visual magnitude of −0.05, [2] it is the fourth-brightest star in the night sky, and the brightest in the northern celestial hemisphere.
