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Inventions & discoveries
4,360 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 4608 | March 15, 1784 | William Herschel | lenticular galaxy |
| NGC 2395 | March 16, 1784 | William Herschel | open cluster |
| NGC 2648 | March 19, 1784 | William Herschel | spiral galaxy |
| NGC 2661 | March 19, 1784 | William Herschel | spiral galaxy |
| NGC 3020 | March 19, 1784 | William Herschel | spiral galaxy |
| NGC 3024 | March 19, 1784 | William Herschel | spiral galaxy |
| NGC 3153 | March 19, 1784 | William Herschel | spiral galaxy |
| NGC 3299 | March 19, 1784 | William Herschel | intermediate spiral galaxy |
| NGC 2774 | March 21, 1784 | William Herschel | spiral galaxy |
| NGC 2802 | March 21, 1784 | William Herschel | lenticular galaxy |
| NGC 2803 | March 21, 1784 | William Herschel | lenticular galaxy |
| NGC 3473 | March 21, 1784 | William Herschel | spiral galaxy |
| NGC 4350 | March 21, 1784 | William Herschel | lenticular galaxy |
| NGC 4489 | March 21, 1784 | William Herschel | elliptical galaxy |
| NGC 4502 | March 21, 1784 | William Herschel | spiral galaxy |
| NGC 4515 | March 21, 1784 | William Herschel | spiral galaxy |
| NGC 3412 | April 8, 1784 | William Herschel | lenticular galaxy |
| NGC 3498 | April 8, 1784 | William Herschel | galaxy |
| NGC 3800 | April 8, 1784 | William Herschel | intermediate spiral galaxy |
| NGC 3872 | April 8, 1784 | William Herschel | elliptical galaxy |
| NGC 4037 | April 8, 1784 | William Herschel | spiral galaxy |
| NGC 4168 | April 8, 1784 | William Herschel | elliptical galaxy |
| NGC 4189 | April 8, 1784 | William Herschel | intermediate spiral galaxy |
| NGC 4208 | April 8, 1784 | William Herschel | Magellanic spiral |
| NGC 4222 | April 8, 1784 | William Herschel | spiral galaxy |
| NGC 4419 | April 8, 1784 | William Herschel | spiral galaxy |
| NGC 4473 | April 8, 1784 | William Herschel | elliptical galaxy |
| NGC 4474 | April 8, 1784 | William Herschel | lenticular galaxy |
| NGC 4479 | April 8, 1784 | William Herschel | lenticular galaxy |
| NGC 4516 | April 8, 1784 | William Herschel | spiral galaxy |
| NGC 3559 | April 12, 1784 | William Herschel | spiral galaxy |
| NGC 4443 | April 12, 1784 | William Herschel | lenticular galaxy |
| NGC 4478 | April 12, 1784 | William Herschel | elliptical galaxy |
| NGC 4659 | April 12, 1784 | William Herschel | lenticular galaxy |
| NGC 3914 | April 13, 1784 | William Herschel | radio galaxy |
| NGC 3976 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4180 | April 13, 1784 | William Herschel | astrophysical X-ray source |
| NGC 4197 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4215 | April 13, 1784 | William Herschel | lenticular galaxy |
| NGC 4223 | April 13, 1784 | William Herschel | lenticular galaxy |
| NGC 4224 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4246 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4264 | April 13, 1784 | William Herschel | lenticular galaxy |
| NGC 4296 | April 13, 1784 | William Herschel | lenticular galaxy |
| NGC 4326 | April 13, 1784 | William Herschel | intermediate spiral galaxy |
| NGC 4333 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4341 | April 13, 1784 | William Herschel | lenticular galaxy |
| NGC 4342 | April 13, 1784 | William Herschel | lenticular galaxy |
| NGC 4370 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4423 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4532 | April 13, 1784 | William Herschel | galaxy |
| NGC 4588 | April 13, 1784 | William Herschel | spiral galaxy |
| NGC 4623 | April 13, 1784 | William Herschel | elliptical galaxy |
| NGC 3833 | April 15, 1784 | William Herschel | spiral galaxy |
| NGC 3876 | April 15, 1784 | William Herschel | spiral galaxy |
| NGC 4442 | April 15, 1784 | William Herschel | lenticular galaxy |
| NGC 4598 | April 15, 1784 | William Herschel | lenticular galaxy |
| NGC 3388 | April 17, 1784 | William Herschel | lenticular galaxy |
| NGC 3681 | April 17, 1784 | William Herschel | spiral galaxy |
| NGC 3684 | April 17, 1784 | John Frederick William Herschel | spiral galaxy |