| E | O (JD) | O (dat) | Period |
| -85 | 2412735 | 1893-09-28 | 314.7 |
| -78 | 2414934 | 1899-10-06 | 314.99 |
| -76 | 2415580 | 1901-07-14 | 315.01 |
| -75 | 2415892 | 1902-05-22 | 315.17 |
| -74 | 2416180 | 1903-03-06 | 315.55 |
| -73 | 2416515 | 1904-02-04 | 315.76 |
| -72 | 2416835 | 1904-12-20 | 316.05 |
| -71 | 2417145 | 1905-10-26 | 315.88 |
| -70 | 2417465 | 1906-09-11 | 315.52 |
| -68 | 2418104 | 1908-06-11 | 315.14 |
| -64 | 2419364 | 1911-11-23 | 314.41 |
| -63 | 2419673 | 1912-09-27 | 314.03 |
| -62 | 2419990 | 1913-08-10 | 313.69 |
| -60 | 2420602 | 1915-04-14 | 313.45 |
| -58 | 2421228 | 1916-12-30 | 313.13 |
| -57 | 2421550 | 1917-11-17 | 313.25 |
| -56 | 2421860 | 1918-09-23 | 313.25 |
| -55 | 2422170 | 1919-07-30 | 313.33 |
| -53 | 2422810 | 1921-04-30 | 313.67 |
| -50 | 2423745 | 1923-11-21 | 314.3 |
| -49 | 2424060 | 1924-10-01 | 315 |
| -48 | 2424362 | 1925-07-30 | 316.24 |
| -47 | 2424680 | 1926-06-13 | 317.33 |
| -46 | 2424995 | 1927-04-24 | 318.13 |
| -44 | 2425648 | 1929-02-05 | 319.81 |
| -43 | 2425972 | 1929-12-26 | 320.5 |
| -42 | 2426300 | 1930-11-19 | 319.99 |
| -41 | 2426616 | 1931-10-01 | 317.86 |
| -40 | 2426925 | 1932-08-05 | 315.95 |
| -39 | 2427250 | 1933-06-26 | 313.57 |
| -38 | 2427570 | 1934-05-12 | 312.03 |
| -35 | 2428508 | 1936-12-05 | 311.34 |
| -34 | 2428796 | 1937-09-19 | 310.6 |
| -33 | 2429110 | 1938-07-30 | 310.07 |
| -32 | 2429415 | 1939-05-31 | 310.04 |
| -29 | 2430350 | 1941-12-21 | 310.14 |
| -28 | 2430670 | 1942-11-06 | 310.68 |
| -27 | 2430965 | 1943-08-28 | 311.14 |
| -26 | 2431277 | 1944-07-05 | 311.16 |
| -25 | 2431610 | 1945-06-03 | 312.3 |
| -19 | 2433460 | 1950-06-27 | 312.41 |
| -15 | 2434708 | 1953-11-26 | 312.32 |
| -14 | 2435019 | 1954-10-03 | 312.12 |
| -13 | 2435331 | 1955-08-11 | 311.78 |
| -12 | 2435700 | 1956-08-14 | 311.54 |
| -11 | 2435972 | 1957-05-13 | 312.56 |
| -8 | 2436900 | 1959-11-27 | 312.29 |
| -7 | 2437194 | 1960-09-16 | 311.35 |
| -6 | 2437516 | 1961-08-04 | 311.47 |
| -5 | 2437841 | 1962-06-25 | 311.28 |
| -4 | 2438166 | 1963-05-16 | 314.02 |
| -3 | 2438466 | 1964-03-11 | 315.6 |
| -2 | 2438760 | 1964-12-30 | 315.86 |
| -1 | 2439107 | 1965-12-12 | 315.02 |
| 0 | 2439418 | 1966-10-19 | 314.82 |
| 1 | 2439730 | 1967-08-27 | 314.47 |
| 2 | 2440048 | 1968-07-10 | 314.32 |
| 3 | 2440355 | 1969-05-13 | 314.08 |
| 6 | 2441300 | 1971-12-14 | 313.24 |
| 7 | 2441620 | 1972-10-29 | 312.81 |
| 8 | 2441922 | 1973-08-27 | 312.41 |
| 9 | 2442228 | 1974-06-29 | 312.17 |
| 10 | 2442550 | 1975-05-17 | 311.76 |
| 11 | 2442870 | 1976-04-01 | 311.38 |
| 13 | 2443477 | 1977-11-29 | 311.69 |
| 14 | 2443790 | 1978-10-08 | 312 |
| 15 | 2444108 | 1979-08-22 | 312.24 |
| 16 | 2444410 | 1980-06-19 | 312.12 |
| 17 | 2444732 | 1981-05-07 | 312.53 |
| 19 | 2445360 | 1983-01-25 | 312.83 |
| 20 | 2445665 | 1983-11-26 | 312.39 |
| 21 | 2445985 | 1984-10-11 | 311.9 |
| 22 | 2446296 | 1985-08-18 | 311.63 |
| 23 | 2446612 | 1986-06-30 | 311.24 |
| 24 | 2446910 | 1987-04-24 | 311.34 |
| 26 | 2447536 | 1989-01-09 | 311.96 |
| 27 | 2447845 | 1989-11-14 | 311.71 |
| 28 | 2448155 | 1990-09-20 | 312.07 |
| 29 | 2448475 | 1991-08-06 | 312.63 |
| 30 | 2448790 | 1992-06-16 | 313.21 |
| 31 | 2449110 | 1993-05-02 | 312.91 |
| 32 | 2449409 | 1994-02-25 | 312.61 |
| 33 | 2449727 | 1995-01-09 | 312.22 |
| 34 | 2450044 | 1995-11-22 | 311.88 |
| 35 | 2450350 | 1996-09-23 | 312.04 |
| 36 | 2450658 | 1997-07-28 | 312.54 |
| 37 | 2450970 | 1998-06-05 | 313.49 |
| 38 | 2451284 | 1999-04-15 | 314.16 |
| 39 | 2451601 | 2000-02-26 | 315.01 |
| 40 | 2451917 | 2001-01-07 | 315.86 |
| 41 | 2452235 | 2001-11-21 | 316.54 |
| 42 | 2452550 | 2002-10-02 | 316.83 |
| 43 | 2452873 | 2003-08-21 | 316.75 |
| 44 | 2453188 | 2004-07-01 | 316.53 |
| 45 | 2453500 | 2005-05-09 | 316.05 |
| 46 | 2453820 | 2006-03-25 | 315.49 |
| 47 | 2454136 | 2007-02-04 | 315.35 |
| 48 | 2454449 | 2007-12-14 | 315.03 |
| 49 | 2454765 | 2008-10-25 | 315.24 |
| 50 | 2455075 | 2009-08-31 | 315.17 |
| 51 | 2455389 | 2010-07-11 | 315.45 |
| 52 | 2455711 | 2011-05-29 | 316 |
| 53 | 2456024 | 2012-04-06 | 317.18 |
| 54 | 2456343 | 2013-02-19 | 317.65 |
| 55 | 2456653 | 2013-12-26 | 317.55 |
| 56 | 2456979 | 2014-11-17 | 317.35 |
| 57 | 2457297 | 2015-10-01 | 317.15 |
| 58 | 2457627 | 2016-08-26 | 317.42 |
| 59 | 2457934 | 2017-06-29 | 317.47 |
| 60 | 2458239 | 2018-04-30 | 317.51 |
| 61 | 2458560 | 2019-03-17 | 317.29 |
| 62 | 2458880 | 2020-01-31 | 317.27 |
| 63 | 2459202 | 2020-12-18 | 317.24 |
| 64 | 2459520 | 2021-11-01 | 318.23 |
| 65 | 2459836 | 2022-09-13 | 318.99 |
| 66 | 2460157 | 2023-07-31 | 318.61 |
| 67 | 2460471 | 2024-06-09 | 318.17 |
| 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. |