What was seen and recognised for the first time by Johann Galle in 1846?
Johann Gottfried Galle Louis d'Arrest, Galle discovered a star of 8th. magnitude, only 1° away from the calculated position, which was not recorded in the "Berliner Akademischen Sternkarte". Over the next two evenings, a proper motion of the celestial object of 4 seconds of arc was measured, which determined it absolutely as a planet, for which Le Verrier proposed the name Neptune. Galle always refused to be acknowledged as the discoverer of Neptune; he attributed the discovery to Le Verrier. In 1847 Galle was designated as the successor to Friedrich Wilhelm Bessel as Director of Königsberg Observatory. Before the enacted nomination from Friedrich
Johann Gottfried Galle Galle, and a ring of Neptune have been named in his honor. Google celebrated Johann Gottfried Galle's 200th Birthday with Google Doodle https://www.google.com/doodles/johann-gottfried-galles-200th-birthday! Johann Gottfried Galle Johann Gottfried Galle (9 June 1812 – 10 July 1910) was a German astronomer from Radis, Germany, at the Berlin Observatory who, on 23 September 1846, with the assistance of student Heinrich Louis d'Arrest, was the first person to view the planet Neptune and know what he was looking at. Urbain Le Verrier had predicted the existence and position of Neptune, and sent the coordinates to Galle, asking him to verify. Galle found Neptune