This complex contains eight different homologous subunits, alpha, beta, gamma, delta, epsilon, zeta, eta , and theta.
On the night of 10 September 1784, the English astronomer Edward Pigott noticed variations in the brightness of Eta Aquilae, a star lying in the constellation Aquila.
The squads had been organized into Alpha, Beta, Gamma, Delta, Epsilon, Zeta, Eta and Theta.
This region, about 8000 light-years from Earth, is located near to the famous explosive variable star Eta Carinae, which lies just outside the field of view toward the upper right.
The striking picture reveals an eclectic mix of embryonic stars living in the tattered neighborhood of one of the most famous massive stars in our Milky Way galaxy, Eta Carinae.
That galaxy is just a little more than one degree east of Eta Piscium.
Researchers using NASA's Far Ultraviolet Spectroscopic Explorer satellite have made the first ever direct observation of Eta Carinae's companion star.