Eta Ophiuchi is a binary star in the constellation of Ophiuchus. Its name is a Bayer designation that is Latinized from η Ophiuchi, and abbreviated Eta Oph or η Oph. With a combined apparent magnitude of +2.43, it is the second-brightest of the...
Alpha Ophiuchi (α Ophiuchi, abbreviated Alpha Oph, α Oph), also named Rasalhague , is a binary star and the brightest star in the constellation of Ophiuchus. Five degrees west-north-west of Rasalhague lies Rasalgethi, one of the brightest stars in...
Zeta Ophiuchi (ζ Oph, ζ Ophiuchi) is a single star located in the constellation of Ophiuchus. It has an apparent visual magnitude of 2.6, making it the third-brightest star in the constellation. Spectroscopic measurements give an estimated distance...
This is the list of notable stars in the constellation Ophiuchus, sorted by decreasing brightness.
Rho Ophiuchi (ρ Ophiuchi) is a multiple star system in the constellation Ophiuchus. The central triple system has an apparent magnitude of 4.63. Based on the central system's parallax, it is located about 450 light-years distant.
V1054 Ophiuchi, together with the star Gliese 643, is a nearby quintuple star system, located in the constellation Ophiuchus at a distance of 21.2 light-years (6.5 parsecs). It consists of five stars, all of which are red dwarfs. The alternative...
Sh 2-22 is an emission nebula in the constellation Sagittarius. It is part of the Sharpless Catalog assembled by Stewart Sharpless. The nebula appears to surround 63 Ophiuchi, however, 63 Ophiuchi and the star's corresponding ring nebula around it...
This is a list of star systems within 30–35 light years of Earth.
Barnard's Star is a small red dwarf star in the constellation of Ophiuchus. At a distance of 5.96 light-years (1.83 pc) from Earth, it is the fourth-nearest-known individual star to the Sun after the three components of the Alpha Centauri system,...
Sh 2-27 (also known as the Cobold Nebula or the Zeta Ophiuchi Nebula), is an emission nebula in the constellation Ophiuchus. It is ionized by the star Zeta Ophiuchi, which lies near its center. The star is a runaway that produces a notable bow...
