| Designation | Discoverer | Discovered | Mag. | Identity | Disc. Method |
|---|---|---|---|---|---|
| 1900 | E. Hertzsprung | 1900 Dec. 15 | 6 | ???? | Photographic |
| "1905f" | E. E. Barnard | 1905 Jul. 22 | ???? | Photographic | |
| "1905d" | Slipher | 1905 Nov. 29 | ???? | Photographic | |
| "1905e" | P. Lowell | 1905 Nov. 29 | ???? | Photographic | |
| "1908a" | M. F. J. C. Wolf | 1908 Jan. 2 | 13 | asteroid | Photographic |
| 1911 | J. Franz | 1911 Jul. 22 | 6 | ???? | Visual |
| 1912 | Hansen | 1912 May 10 | 10 | Veil Nebula? | Visual |
| "1912d" | B. Lowe | 1912 Dec. 30 | 8 | ???? | Visual |
| 1915 | J. E. Mellish | 1915 Sep. 6 | 10 | ???? | Visual |
| 1916 | A. E. Glancy & C. D. Perrine | 1916 May 4 | 2 | ???? | Visual |
| 1916 | Metcalf | 1916 Nov. 21 | 12 | ???? | Photographic |
| 1917 | W. H. Pickering | 1917 Jan. 16 | 13 | ???? | Photographic |
| 1917 | G. Lais | 1917 Jul. 12 | 8 | defects? | Photographic |
| "1919f" | W. Baade | 1919 Dec. 10 | ???? | Photographic | |
| 1921 | Campbell | 1921 Aug. 7 | -4 | ???? | Visual |
| 1928 | E. F. Carpenter | 1928 Jun. 17 | 16 | ???? | Photographic |
| 1929 | E. F. Carpenter | 1929 Nov. 2 | 16 | ???? | Photographic |
| "1944d" | D. C. Berry | 1944 Sep. 13 | 5 | comet | Visual |
| "1946j" | D. C. Berry | 1946 Sep. 2 | 11 | ???? | Photographic |
| 1946 | D. J. Martinoff | 1946 Oct. 6 | 13 | ???? | Photographic |
| 1946 | D. J. Martinoff | 1946 Oct. 20 | 12 | ???? | Photographic |
| X/1951 G1 | I. Groeneveld | 1951 Apr. 2 | 15 | comet | Photographic |
| X/1951 G2 | I. Groeneveld | 1951 Apr. 9 | 14.5 | comet | Photographic |
| X/1951 K1 | C. J. van Houten | 1951 May 28 | 14 | comet | Photographic |
| 1957 | Rijves | 1957 Mar. 17 | 10 | ???? | Visual |
| 1976 | R. Nazvlishvili & V. Oshchepkov | 1975 Oct. 5 | 13-14 | ???? | Photographic |
| 1976 | G. V. Zhukov | 1976 Jul. 1 | 11-12 | ???? | Photographic |
| X/1976 U2 | I. Coulson & R. D. Eberst | 1976 Oct. 16 | 17 | comet | Photographic |
| X/1978 W1 | R. M. West | 1978 Nov. 30 | 18 | comet | Photographic |
| 1978 YL1 | N. S. Chernykh | 1978 Dec. 22 | 16 | asteroid | Photographic |
| X/1979 O2 | C. T. Kowal | 1979 Jul. 26 | 18 | comet | Photographic |
| X/1979 O3 | C. T. Kowal | 1979 Jul. 26 | 18 | comet or asteroid | Photographic |
| "1980p" | E. Helin & R. S. Dunbar | 1980 Oct. 18 | 18-19 | ghost of star | Photographic |
| 1981 | P. Stattmayer | 1981 Sep. 6 | 13 | ???? | Photographic |
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