| E | O (JD) | O (dat) | Period |
| -94 | 2412995 | 1894-06-15 | 186.71 |
| -92 | 2413365 | 1895-06-20 | 186.95 |
| -90 | 2413740 | 1896-06-29 | 186.83 |
| -84 | 2414855 | 1899-07-19 | 187.1 |
| -79 | 2415800 | 1902-02-19 | 187.15 |
| -74 | 2416725 | 1904-09-01 | 187.05 |
| -69 | 2417670 | 1907-04-04 | 186.97 |
| -66 | 2418220 | 1908-10-05 | 186.86 |
| -55 | 2420295 | 1914-06-11 | 186.85 |
| -51 | 2421040 | 1916-06-25 | 186.69 |
| -49 | 2421400 | 1917-06-20 | 186.63 |
| -37 | 2423640 | 1923-08-08 | 186.53 |
| -30 | 2424945 | 1927-03-05 | 186.52 |
| -23 | 2426260 | 1930-10-10 | 186.38 |
| -18 | 2427180 | 1933-04-17 | 186.48 |
| -16 | 2427555 | 1934-04-27 | 186.62 |
| -14 | 2427930 | 1935-05-07 | 186.54 |
| -13 | 2428120 | 1935-11-13 | 186.38 |
| -12 | 2428310 | 1936-05-21 | 186.27 |
| -10 | 2428680 | 1937-05-26 | 186.27 |
| -8 | 2429050 | 1938-05-31 | 186.48 |
| -6 | 2429420 | 1939-06-05 | 186.2 |
| -4 | 2429790 | 1940-06-09 | 185.84 |
| -2 | 2430170 | 1941-06-24 | 185.58 |
| 0 | 2430533 | 1942-06-22 | 185.32 |
| 2 | 2430925 | 1943-07-19 | 185.17 |
| 4 | 2431280 | 1944-07-08 | 184.88 |
| 6 | 2431645 | 1945-07-08 | 184.48 |
| 8 | 2432015 | 1946-07-13 | 184.33 |
| 10 | 2432380 | 1947-07-13 | 184.5 |
| 12 | 2432755 | 1948-07-22 | 184.36 |
| 14 | 2433120 | 1949-07-22 | 184.41 |
| 16 | 2433485 | 1950-07-22 | 184.35 |
| 18 | 2433865 | 1951-08-06 | 184.29 |
| 63 | 2442165 | 1974-04-27 | 184.2 |
| 64 | 2442335 | 1974-10-14 | 184.11 |
| 67 | 2442895 | 1976-04-26 | 184.07 |
| 68 | 2443065 | 1976-10-13 | 184.01 |
| 71 | 2443615 | 1978-04-16 | 183.8 |
| 73 | 2443970 | 1979-04-06 | 182.4 |
| 76 | 2444525 | 1980-10-12 | 182.91 |
| 77 | 2444710 | 1981-04-15 | 183.01 |
| 78 | 2444900 | 1981-10-22 | 183.49 |
| 79 | 2445080 | 1982-04-20 | 183.85 |
| 80 | 2445260 | 1982-10-17 | 183.82 |
| 82 | 2445635 | 1983-10-27 | 183.77 |
| 83 | 2445815 | 1984-04-24 | 183.72 |
| 84 | 2445995 | 1984-10-21 | 183.34 |
| 85 | 2446185 | 1985-04-29 | 182.96 |
| 86 | 2446355 | 1985-10-16 | 182.75 |
| 87 | 2446555 | 1986-05-04 | 182.18 |
| 88 | 2446735 | 1986-10-31 | 181.82 |
| 89 | 2446910 | 1987-04-24 | 181.06 |
| 90 | 2447085 | 1987-10-16 | 180.42 |
| 91 | 2447275 | 1988-04-23 | 180.28 |
| 92 | 2447455 | 1988-10-20 | 180.22 |
| 93 | 2447630 | 1989-04-13 | 180.24 |
| 114 | 2451433 | 1999-09-11 | 180.31 |
| 141 | 2456285 | 2012-12-23 | 180.31 |
| 142 | 2456458 | 2013-06-14 | 180.26 |
| 143 | 2456645 | 2013-12-18 | 180.26 |
| 144 | 2456828 | 2014-06-19 | 180.27 |
| 145 | 2457020 | 2014-12-28 | 179.94 |
| 146 | 2457190 | 2015-06-16 | 180.71 |
| 147 | 2457370 | 2015-12-13 | 180.88 |
| 148 | 2457550 | 2016-06-10 | 180.25 |
| 149 | 2457735 | 2016-12-12 | 179.7 |
| 150 | 2457904 | 2017-05-30 | 179.26 |
| 151 | 2458091 | 2017-12-03 | 179.51 |
| 152 | 2458277 | 2018-06-07 | 180.03 |
| 153 | 2458450 | 2018-11-27 | 179.09 |
| 154 | 2458626 | 2019-05-22 | 178.79 |
| 155 | 2458805 | 2019-11-17 | 178.4 |
| 156 | 2458985 | 2020-05-15 | 177.41 |
| 157 | 2459180 | 2020-11-26 | 177.52 |
| 158 | 2459330 | 2021-04-25 | 178.67 |
| 159 | 2459520 | 2021-11-01 | 179.1 |
| 160 | 2459690 | 2022-04-20 | 179.12 |
| 161 | 2459865 | 2022-10-12 | 179.17 |
| 162 | 2460057 | 2023-04-22 | 179.33 |
| 163 | 2460250 | 2023-11-01 | 181.33 |
| 164 | 2460421 | 2024-04-20 | 181.14 |
| 165 | 2460595 | 2024-10-11 | 182.46 |
| E | Cycle number from the GCVS4 epoch. |
| O (JD) | Julian date at observed time for maximum. |
| O (Dat) | Same as above, expressed as date. |
| Period | Calculated mean period at cycle number E. |