Johann Abraham Ihle (14 June 1627 – c.1699) was a

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

amateur astronomer Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes. Even though scientific research may not be their primary goal, some amateur astronomers m ...

who discovered the first known

globular cluster A globular cluster is a spheroidal conglomeration of stars that is bound together by gravity, with a higher concentration of stars towards its center. It can contain anywhere from tens of thousands to many millions of member stars, all orbiting ...

, M22, on 26 August 1665 while observing

Saturn Saturn is the sixth planet from the Sun and the second largest in the Solar System, after Jupiter. It is a gas giant, with an average radius of about 9 times that of Earth. It has an eighth the average density of Earth, but is over 95 tim ...

in Sagittarius.Kirch, Gottfried (1682) ''Annus II. Ephemeridum Motuum Coelestium Ad Annum Aerae Christianae M. DC. LXXXII. …'' econd year. Ephemerides of the celestial motions for the year of the Christian era 1682. Leipzig, (Germany): Heirs of Friedrich Lanckisch. (in Latin) 54 pages. The pages of this book are not numbered. However, in the Appendix, section ''III. Stella nebulosa prope pedem borealem Ganymedis observata, Lipsia, die 1. Sept. 1681.'' (III. Nebula near the northern foot of Ganymede observed, Leipzig, 1. September 1681.), first paragraph, Kirch enumerated recently discovered nebulae: ''" ��& tertia in Sagittaris, quam Dn. Joh. Abrah. Ihle Anno 1665. deprehendit; ��"'' ( ��and the third ebulain Sagittarius, which Mr. Johann Abraham Ihle discovered in the year 1665; �� Downloadable at
Digitale Sammlungen der Universitäts- und Landesbibliothek Sachsen-Anhalt
(Digital collections of the university- and state library of Sachsen-Anhalt)

References

17th-century German astronomers 1627 births 1699 deaths {{Germany-astronomer-stub