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The 18th century
723 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| NGC 3270 | April 10, 1785 | William Herschel | intermediate spiral galaxy |
| NGC 3327 | April 10, 1785 | William Herschel | spiral galaxy |
| NGC 3475 | April 10, 1785 | William Herschel | spiral galaxy |
| NGC 3615 | April 10, 1785 | William Herschel | elliptical galaxy |
| NGC 3653 | April 10, 1785 | William Herschel | lenticular galaxy |
| NGC 3670 | April 10, 1785 | William Herschel | lenticular galaxy |
| NGC 3701 | April 10, 1785 | William Herschel | spiral galaxy |
| NGC 3710 | April 10, 1785 | William Herschel | elliptical galaxy |
| NGC 3728 | April 10, 1785 | William Herschel | spiral galaxy |
| NGC 3772 | April 10, 1785 | William Herschel | spiral galaxy |
| NGC 3815 | April 10, 1785 | William Herschel | spiral galaxy |
| NGC 3832 | April 10, 1785 | William Herschel | radio galaxy |
| NGC 3911 | April 10, 1785 | William Herschel | radio galaxy |
| NGC 3951 | April 10, 1785 | William Herschel | spiral galaxy |
| NGC 3983 | April 10, 1785 | William Herschel | lenticular galaxy |
| NGC 4002 | April 10, 1785 | William Herschel | lenticular galaxy |
| NGC 4003 | April 10, 1785 | William Herschel | lenticular galaxy |
| NGC 4213 | April 10, 1785 | William Herschel | elliptical galaxy |
| NGC 3196 | April 11, 1785 | William Herschel | lenticular galaxy |
| NGC 3245 | April 11, 1785 | William Herschel | lenticular galaxy |
| NGC 3380 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 3400 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 3418 | April 11, 1785 | William Herschel | lenticular galaxy |
| NGC 3451 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 3510 | April 11, 1785 | William Herschel | low-surface-brightness galaxy |
| NGC 3527 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 3712 | April 11, 1785 | William Herschel | radio galaxy |
| NGC 4004 | April 11, 1785 | William Herschel | astronomical radio source |
| NGC 4017 | April 11, 1785 | William Herschel | radio galaxy |
| NGC 4080 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 4104 | April 11, 1785 | William Herschel | brightest cluster galaxy |
| NGC 4131 | April 11, 1785 | William Herschel | lenticular galaxy |
| NGC 4173 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 4185 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 4275 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 4475 | April 11, 1785 | William Herschel | spiral galaxy |
| NGC 3883 | April 13, 1785 | William Herschel | spiral galaxy |
| NGC 3651-1 | April 21, 1785 | William Herschel | emission-line galaxy |
| NGC 3805 | April 25, 1785 | William Herschel | lenticular galaxy |
| NGC 3821 | April 26, 1785 | William Herschel | lenticular galaxy |
| NGC 3842 | April 26, 1785 | William Herschel | brightest cluster galaxy |
| NGC 3940 | April 26, 1785 | William Herschel | elliptical galaxy |
| NGC 3954 | April 26, 1785 | William Herschel | elliptical galaxy |
| NGC 4092 | April 26, 1785 | William Herschel | spiral galaxy |
| NGC 4095 | April 26, 1785 | William Herschel | elliptical galaxy |
| NGC 4098-1 | April 26, 1785 | William Herschel | spiral galaxy |
| NGC 3860 | April 27, 1785 | William Herschel | spiral galaxy |
| NGC 3875 | April 27, 1785 | William Herschel | lenticular galaxy |
| NGC 3937 | April 27, 1785 | William Herschel | lenticular galaxy |
| NGC 4032 | April 27, 1785 | William Herschel | HI (21cm) source |
| NGC 4069 | April 27, 1785 | William Herschel | spiral galaxy |
| NGC 4074 | April 27, 1785 | William Herschel | lenticular galaxy |
| NGC 4076 | April 27, 1785 | William Herschel | spiral galaxy |
| NGC 3897 | April 28, 1785 | William Herschel | spiral galaxy |
| NGC 4619 | May 1785 | William Herschel | spiral galaxy |
| NGC 273 | September 10, 1785 | William Herschel | lenticular galaxy |
| NGC 586 | September 10, 1785 | William Herschel | spiral galaxy |
| NGC 61B | September 10, 1785 | William Herschel | lenticular galaxy |
| NGC 779 | September 10, 1785 | William Herschel | spiral galaxy |
| NGC 790 | September 10, 1785 | William Herschel | lenticular galaxy |