Abraham Ihle (late 17th century)

M.J. Abraham Ihle is credited with the discovery of the first known globular cluster, M22, which he found in 1665 when observing Saturn, by Halley and later, although maybe Hevelius (whom he probably knew, according to Kenneth Glyn Jones) saw it previously.

In all other respects, little is known of this German amateur astronomer.


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Hartmut Frommert (spider@seds.org)
Christine Kronberg (smil@lrz.uni-muenchen.de)