Double stars

Optical double star in the constellation Ursa Major.

double star in the constellation of Pegasus

asterism of stars in the constellation Pegasus

double star system in constellation Pegasus

Dubhe is a multiple star system in the northern constellation of Ursa Major. It is formally designated Alpha Ursae Majoris, Latinised from α Ursae Majoris, Despite being designated "α" (alpha), it is the second-brightest object in the constellation. Alpha Ursae Majoris is the northern of the 'pointers' (or 'guards'), the second being Beta Ursae Majoris, or 'Merak' – this pair of stars point towards Polaris, the North Star. α Ursae Majoris is located at a distance of approximately 123 light years from the Sun, based on parallax measurements.

double star in the constellation Pisces

double star system in constellation Andromeda

double star

double star in the constellation Cetus

double star in the constellation Cetus

star in the constellation Andromeda

multiple star system in the constellation Hercules

binary star in the constellation Pictor

star in the constellation Aquarius

pair of stars that appear close to each other in the sky

galaxy

star system in the constellation Capricornus

binary star in the constellation Perseus

galaxy

pair of stars in the constellation Leo Minor

star in the constellation of Eridanus

star in the constellation Lacerta

star in the constellation Camelopardalis

star in the zodiac constellation of Virgo

star

star

star

star in the constellation Perseus

star in the northern constellation of Boötes

star in the constellation Microscopium

star in the constellation Ursa Major

double star in constellation of Boötes.

star in the constellation Ara

star in the constellation Microscopium

star

star system in the constellation Aries

Binary star in the constellation Carina

star in the constellation Cancer

astronomical catalogue

binary star in the constellation Monoceros

star in the constellation of Capricornus

star in the constellation Ara

star in the constellation Cygnus

star in the constellation Draco

variable star in the constellation Perseus

star in the constellation Aquila

star in the constellation Hercules

binary star system in the constellation Aries

star in the constellation Capricornus

Star in the constellation Libra

star in the constellation Piscis Austrinus

star in the constellation Leo

binary star system in the constellation Auriga

star in the constellation Boötes

binary star system in the constellation Caelum

star

star in the constellation Crux

star

star in the constellation Boötes

binary star in the constellation Andromeda