Megrez

Megrez (δ Ursae Majoris) is a white main-sequence star in the constellation Ursa Major. With an apparent magnitude of 3.31 it is the 236th-brightest star in the night sky, and it is about 81 light-years from Earth.

Finder chart showing where Megrez is in the constellation Ursa Major
Megrez (circled) in Ursa Major, with the surrounding constellations and bright stars.
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Facts

ConstellationUrsa Major
Designationδ Ursae Majoris (Delta Ursae Majoris), HR 4660
Apparent magnitude3.31 (236th brightest)
Spectral typeA3V
Colorwhite (B−V 0.08)
Distanceabout 81 light-years
Right ascension12 h 15.4 min
Declination+57.03°
Best monthMay (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Megrez

Megrez is in Ursa Major. From 40° N it never sets; it is highest in the north, about 73° up. From 35° S it stays below the horizon. Nearby bright stars: Phecda (5° away), Alioth (5° away) and Mizar (10° away).

Ursa Major constellation →

Other named stars in Ursa Major

AliothDubheAlkaidMizarMerakPhecdaTania AustralisTalithaMuscidaTania BorealisAlula BorealisAlkaphrahTaiyangshouAlcorAlula Australis

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