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spiral galaxy

787 inventions and discoveries

Invention or discovery	Date	Inventor or discoverer
NGC 3602	March 4, 1865	Albert Marth
NGC 3644	March 22, 1865	Albert Marth
NGC 4538	March 22, 1865	Albert Marth
NGC 4207	March 23, 1865	Heinrich Louis d'Arrest
NGC 3417	March 25, 1865	Albert Marth
NGC 3439	March 25, 1865	Albert Marth
NGC 3526	March 25, 1865	Albert Marth
NGC 4029	March 25, 1865	Albert Marth
NGC 2576	March 29, 1865	Albert Marth
NGC 2747	March 29, 1865	Albert Marth
NGC 4320	April 15, 1865	Heinrich Louis d'Arrest
NGC 4523	April 19, 1865	Heinrich Louis d'Arrest
NGC 4585	April 21, 1865	Heinrich Louis d'Arrest
NGC 4445	April 24, 1865	Heinrich Louis d'Arrest
NGC 3943	April 27, 1865	Heinrich Louis d'Arrest
NGC 3820	April 29, 1865	Heinrich Louis d'Arrest
NGC 789	August 24, 1865	Heinrich Louis d'Arrest
NGC 753	September 16, 1865	Heinrich Louis d'Arrest
NGC 861	September 18, 1865	Heinrich Louis d'Arrest
NGC 590	September 22, 1865	Heinrich Louis d'Arrest
NGC 786	September 26, 1865	Heinrich Louis d'Arrest
NGC 1050	September 27, 1865	Heinrich Louis d'Arrest
NGC 1285	October 28, 1865	Heinrich Louis d'Arrest
NGC 2794	March 15, 1866	Heinrich Louis d'Arrest
NGC 3720	March 15, 1866	Heinrich Louis d'Arrest
NGC 2591	August 12, 1866	Heinrich Louis d'Arrest
NGC 4481	October 7, 1866	Heinrich Louis d'Arrest
NGC 769	November 9, 1866	Édouard Stephan
NGC 2410	February 5, 1867	Édouard Stephan
NGC 565	November 2, 1867	George Mary Searle
NGC 3612	March 16, 1869	Otto Wilhelm von Struve
NGC 3739	March 16, 1869	Otto Wilhelm von Struve
NGC 3933	1871	Alphonse Borrelly
NGC 3934	1871	Alphonse Borrelly
NGC 816	September 15, 1871	Édouard Stephan
NGC 783	September 22, 1871	Édouard Stephan
NGC 826-1	September 30, 1871	Édouard Stephan
NGC 1233	December 10, 1871	Lewis A. Swift
NGC 983	December 13, 1871	Édouard Stephan
NGC 620	December 14, 1871	Édouard Stephan
NGC 2308	January 13, 1872	Édouard Stephan
NGC 2570	February 20, 1873	Ralph Copeland
NGC 2449	January 18, 1874	Édouard Stephan
NGC 2454	January 19, 1874	Édouard Stephan
NGC 3975	February 21, 1874	Lawrence Parsons, 4th Earl of Rosse
NGC 2429	March 10, 1874	Ralph Copeland
NGC 3013	March 18, 1874	Lawrence Parsons, 4th Earl of Rosse
NGC 2457	March 22, 1874	Ralph Copeland
NGC 926	1876	Wilhelm Tempel
NGC 575	October 17, 1876	Édouard Stephan
NGC 1006	November 21, 1876	Édouard Stephan
NGC 1095	December 11, 1876	Édouard Stephan
NGC 1346	December 15, 1876	Édouard Stephan
NGC 195	1877	Wilhelm Tempel
NGC 4186	1877	Wilhelm Tempel
NGC 4533	1877	Wilhelm Tempel
NGC 2538	February 2, 1877	Édouard Stephan
NGC 2572	February 2, 1877	Édouard Stephan
NGC 2644	February 6, 1877	Édouard Stephan
NGC 2668	February 7, 1877	Édouard Stephan