Abraham Ihle
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.
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Wikipedia
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.