Johann Abraham Ihle (June 14, 1627 - c.1699) was a German amateur astronomer who discovered the first known globular cluster, M22, on August 26, 1665 while observing Saturn in Sagittarius. Read more
Johann Abraham Ihle (June 14, 1627 - c.1699) was a German amateur astronomer who discovered the first known globular cluster, M22, on August 26, 1665 while observing Saturn in Sagittarius.
