Swedish physicist Anders Jonas Ångström (1814-1874) is a cofounder of astrospectroscopy. He measured the wavelengths of about 1000 Fraunhofer lines, discovering among them some hydrogen lines. The ‘angstrom’, a unit of length equal to the 10-10 meters, was named for him.
Discovered on 9-9-1991 in Tautenburg by Borngen, F., Schmadel, L. D.