Nunki (Sigma Sagittarii)
Nunki, Sigma Sagittarii (σ Sgr), is a hot blue-white main sequence star located in the constellation Sagittarius. With an apparent magnitude of 2.05, it is… Read More »Nunki (Sigma Sagittarii)
Messier 21
Nunki, Sigma Sagittarii (σ Sgr), is a hot blue-white main sequence star located in the constellation Sagittarius. With an apparent magnitude of 2.05, it is… Read More »Nunki (Sigma Sagittarii)