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- Édouard Stephan
Credited to Édouard Stephan
139 inventions and discoveries
| Invention or discovery | Date | Type |
|---|---|---|
| NGC 1694 | January 9, 1880 | spiral galaxy |
| NGC 2119 | January 9, 1880 | elliptical galaxy |
| NGC 1227 | January 10, 1880 | lenticular galaxy |
| NGC 2876 | March 5, 1880 | lenticular galaxy |
| NGC 3035 | March 5, 1880 | spiral galaxy |
| NGC 3018 | March 10, 1880 | spiral galaxy |
| NGC 3154 | March 12, 1880 | radio galaxy |
| NGC 961 | November 27, 1880 | low-surface-brightness galaxy |
| NGC 1149 | December 2, 1880 | lenticular galaxy |
| NGC 1171 | December 4, 1880 | spiral galaxy |
| NGC 668 | December 4, 1880 | spiral galaxy |
| NGC 3867 | March 23, 1881 | spiral galaxy |
| NGC 3814 | April 25, 1881 | lenticular galaxy |
| NGC 3781 | April 28, 1881 | lenticular galaxy |
| NGC 3785 | April 28, 1881 | lenticular galaxy |
| NGC 4135 | May 4, 1881 | astronomical radio source |
| NGC 4137 | May 4, 1881 | spiral galaxy |
| NGC 4611 | May 17, 1881 | intermediate spiral galaxy |
| NGC 243 | October 18, 1881 | lenticular galaxy |
| NGC 606 | October 18, 1881 | spiral galaxy |
| NGC 573 | October 21, 1881 | spiral galaxy |
| NGC 605 | October 21, 1881 | lenticular galaxy |
| NGC 711 | November 4, 1881 | lenticular galaxy |
| NGC 1063 | November 16, 1881 | intermediate spiral galaxy |
| NGC 1335 | December 14, 1881 | lenticular galaxy |
| NGC 1599 | December 14, 1881 | spiral galaxy |
| NGC 1607 | December 14, 1881 | lenticular galaxy |
| NGC 1280 | December 19, 1881 | spiral galaxy |
| NGC 1468 | December 19, 1881 | lenticular galaxy |
| NGC 1072 | December 20, 1881 | low-ionization nuclear emission-line region |
| NGC 1654 | December 21, 1881 | spiral galaxy |
| NGC 1657 | December 21, 1881 | low-surface-brightness galaxy |
| NGC 1661 | December 21, 1881 | spiral galaxy |
| NGC 1330 | December 26, 1881 | asterism |
| NGC 3219 | April 11, 1882 | brightest cluster galaxy |
| NGC 3744 | April 11, 1882 | spiral galaxy |
| NGC 3761 | April 11, 1882 | elliptical galaxy |
| NGC 3839 | April 19, 1882 | radio galaxy |
| NGC 3515 | April 20, 1882 | radio galaxy |
| NGC 140 | November 5, 1882 | spiral galaxy |
| NGC 3213 | March 13, 1883 | spiral galaxy |
| NGC 181 | October 6, 1883 | lenticular galaxy |
| NGC 184 | October 6, 1883 | lenticular galaxy |
| NGC 666 | November 22, 1883 | spiral galaxy |
| NGC 1194 | November 23, 1883 | lenticular galaxy |
| NGC 621 | November 24, 1883 | lenticular galaxy |
| NGC 841 | November 24, 1883 | intermediate spiral galaxy |
| NGC 653 | November 29, 1883 | spiral galaxy |
| NGC 1222 | December 5, 1883 | lenticular galaxy |
| NGC 2785 | March 16, 1884 | galaxy |
| NGC 2966 | March 16, 1884 | intermediate spiral galaxy |
| NGC 3118 | March 16, 1884 | spiral galaxy |
| NGC 2860 | March 17, 1884 | astronomical radio source |
| NGC 2922 | March 18, 1884 | astronomical radio source |
| NGC 2766 | March 22, 1884 | spiral galaxy |
| NGC 3864 | March 23, 1884 | spiral galaxy |
| NGC 2987 | March 25, 1884 | spiral galaxy |
| NGC 2971 | March 26, 1884 | spiral galaxy |
| NGC 3542 | March 26, 1884 | radio galaxy |
| NGC 3040A | April 6, 1884 | lenticular galaxy |