| E | O (JD) | O (dat) | Period |
| -99 | 2414046 | 1897-05-01 | 286.06 |
| -98 | 2414341 | 1898-02-20 | 287.78 |
| -97 | 2414617 | 1898-11-23 | 288.28 |
| -96 | 2414913 | 1899-09-15 | 288.6 |
| -90 | 2416619 | 1904-05-18 | 288.93 |
| -89 | 2416914 | 1905-03-09 | 289.67 |
| -88 | 2417235 | 1906-01-24 | 290.09 |
| -87 | 2417514 | 1906-10-30 | 291.36 |
| -86 | 2417804 | 1907-08-16 | 292.66 |
| -85 | 2418098 | 1908-06-05 | 295.88 |
| -84 | 2418411 | 1909-04-14 | 294.45 |
| -83 | 2418685 | 1910-01-13 | 292.68 |
| -82 | 2418995 | 1910-11-19 | 291.45 |
| -81 | 2419291 | 1911-09-11 | 289.37 |
| -80 | 2419581 | 1912-06-27 | 287.51 |
| -79 | 2419855 | 1913-03-28 | 285.42 |
| -78 | 2420141 | 1914-01-08 | 285.86 |
| -77 | 2420413 | 1914-10-07 | 285.62 |
| -76 | 2420695 | 1915-07-16 | 286.36 |
| -75 | 2420988 | 1916-05-04 | 286.95 |
| -74 | 2421267 | 1917-02-07 | 288.31 |
| -73 | 2421581 | 1917-12-18 | 288.17 |
| -72 | 2421871 | 1918-10-04 | 289.21 |
| -71 | 2422158 | 1919-07-18 | 289.25 |
| -70 | 2422432 | 1920-04-17 | 288.03 |
| -69 | 2422729 | 1921-02-08 | 286.9 |
| -68 | 2422997 | 1921-11-03 | 285.5 |
| -67 | 2423308 | 1922-09-10 | 286.08 |
| -66 | 2423593 | 1923-06-22 | 287 |
| -65 | 2423863 | 1924-03-18 | 288.81 |
| -64 | 2424147 | 1924-12-27 | 288.94 |
| -63 | 2424438 | 1925-10-14 | 290.08 |
| -62 | 2424739 | 1926-08-11 | 290.04 |
| -61 | 2425030 | 1927-05-29 | 290.74 |
| -60 | 2425337 | 1928-03-31 | 291.88 |
| -59 | 2425607 | 1928-12-26 | 292.82 |
| -58 | 2425908 | 1929-10-23 | 293.23 |
| -57 | 2426196 | 1930-08-07 | 293.55 |
| -56 | 2426479 | 1931-05-17 | 294 |
| -55 | 2426781 | 1932-03-14 | 294.33 |
| -54 | 2427090 | 1933-01-17 | 294.28 |
| -53 | 2427383 | 1933-11-06 | 294.14 |
| -52 | 2427679 | 1934-08-29 | 294.15 |
| -51 | 2427969 | 1935-06-15 | 293.29 |
| -50 | 2428263 | 1936-04-04 | 291.5 |
| -49 | 2428533 | 1936-12-30 | 289.53 |
| -48 | 2428846 | 1937-11-08 | 289.34 |
| -47 | 2429136 | 1938-08-25 | 290.15 |
| -46 | 2429417 | 1939-06-02 | 292.45 |
| -45 | 2429701 | 1940-03-12 | 293.21 |
| -44 | 2429979 | 1940-12-15 | 293.79 |
| -43 | 2430287 | 1941-10-19 | 292.59 |
| -42 | 2430597 | 1942-08-25 | 292.15 |
| -41 | 2430917 | 1943-07-11 | 291.95 |
| -40 | 2431183 | 1944-04-02 | 291.39 |
| -39 | 2431469 | 1945-01-13 | 290.59 |
| -38 | 2431747 | 1945-10-18 | 288.72 |
| -37 | 2432031 | 1946-07-29 | 286.85 |
| -36 | 2432325 | 1947-05-19 | 286.21 |
| -35 | 2432618 | 1948-03-07 | 287.61 |
| -34 | 2432912 | 1948-12-26 | 287.11 |
| -33 | 2433197 | 1949-10-07 | 285.79 |
| -32 | 2433471 | 1950-07-08 | 285.35 |
| -31 | 2433763 | 1951-04-26 | 286.31 |
| -30 | 2434057 | 1952-02-14 | 286.35 |
| -29 | 2434324 | 1952-11-07 | 286.85 |
| -28 | 2434591 | 1953-08-01 | 287.75 |
| -27 | 2434901 | 1954-06-07 | 288.38 |
| -26 | 2435222 | 1955-04-24 | 288.72 |
| -25 | 2435487 | 1956-01-14 | 289.23 |
| -24 | 2435778 | 1956-10-31 | 290.37 |
| -23 | 2436066 | 1957-08-15 | 290.4 |
| -22 | 2436349 | 1958-05-25 | 289.47 |
| -21 | 2436644 | 1959-03-16 | 290.53 |
| -20 | 2436932 | 1959-12-29 | 291.47 |
| -19 | 2437227 | 1960-10-19 | 291.19 |
| -18 | 2437516 | 1961-08-04 | 291.25 |
| -17 | 2437813 | 1962-05-28 | 290.05 |
| -16 | 2438129 | 1963-04-09 | 289.09 |
| -15 | 2438387 | 1963-12-23 | 289.12 |
| -14 | 2438675 | 1964-10-06 | 285.47 |
| -13 | 2438971 | 1965-07-29 | 284.85 |
| -12 | 2439236 | 1966-04-20 | 284.65 |
| -11 | 2439536 | 1967-02-14 | 284.45 |
| -10 | 2439841 | 1967-12-16 | 284.72 |
| -9 | 2440054 | 1968-07-16 | 284.23 |
| -8 | 2440391 | 1969-06-18 | 284.12 |
| -7 | 2440686 | 1970-04-09 | 286.95 |
| -6 | 2440964 | 1971-01-12 | 287.95 |
| -5 | 2441225 | 1971-09-30 | 289.56 |
| -4 | 2441518 | 1972-07-19 | 292.96 |
| -3 | 2441807 | 1973-05-04 | 292.47 |
| -2 | 2442143 | 1974-04-05 | 294.57 |
| -1 | 2442419 | 1975-01-06 | 297.09 |
| 0 | 2442709 | 1975-10-23 | 297.28 |
| 1 | 2443017 | 1976-08-26 | 295.46 |
| 2 | 2443311 | 1977-06-16 | 293.66 |
| 3 | 2443615 | 1978-04-16 | 290.23 |
| 4 | 2443915 | 1979-02-10 | 290.21 |
| 5 | 2444176 | 1979-10-29 | 289.3 |
| 6 | 2444461 | 1980-08-09 | 287.47 |
| 7 | 2444757 | 1981-06-01 | 286.73 |
| 8 | 2445022 | 1982-02-21 | 286.35 |
| 9 | 2445337 | 1983-01-02 | 286.8 |
| 10 | 2445625 | 1983-10-17 | 288.05 |
| 11 | 2445898 | 1984-07-16 | 287.07 |
| 12 | 2446190 | 1985-05-04 | 286.51 |
| 13 | 2446480 | 1986-02-18 | 290.26 |
| 14 | 2446767 | 1986-12-02 | 292.24 |
| 15 | 2447055 | 1987-09-16 | 292.62 |
| 16 | 2447321 | 1988-06-08 | 291.95 |
| 17 | 2447617 | 1989-03-31 | 291.66 |
| 18 | 2447988 | 1990-04-06 | 291.88 |
| 19 | 2448277 | 1991-01-20 | 292.34 |
| 20 | 2448515 | 1991-09-15 | 292.84 |
| 21 | 2448782 | 1992-06-08 | 292.46 |
| 22 | 2449094 | 1993-04-16 | 290.95 |
| 23 | 2449394 | 1994-02-10 | 289.83 |
| 24 | 2449692 | 1994-12-05 | 292.25 |
| 25 | 2449991 | 1995-09-30 | 296.21 |
| 26 | 2450271 | 1996-07-06 | 297.19 |
| 27 | 2450570 | 1997-05-01 | 296.4 |
| 28 | 2450873 | 1998-02-28 | 297.25 |
| 29 | 2451157 | 1998-12-09 | 298.28 |
| 30 | 2451478 | 1999-10-26 | 298.6 |
| 31 | 2451767 | 2000-08-10 | 297.72 |
| 32 | 2452058 | 2001-05-28 | 295.29 |
| 33 | 2452375 | 2002-04-10 | 293.65 |
| 34 | 2452675 | 2003-02-04 | 292.38 |
| 35 | 2452958 | 2003-11-14 | 290.22 |
| 36 | 2453226 | 2004-08-08 | 288.4 |
| 37 | 2453503 | 2005-05-12 | 286.16 |
| 38 | 2453808 | 2006-03-13 | 284.85 |
| 39 | 2454100 | 2006-12-30 | 286.88 |
| 40 | 2454385 | 2007-10-11 | 290.69 |
| 41 | 2454653 | 2008-07-05 | 292.87 |
| 42 | 2454932 | 2009-04-10 | 294.54 |
| 43 | 2455236 | 2010-02-08 | 295.25 |
| 44 | 2455565 | 2011-01-03 | 296.62 |
| 45 | 2455882 | 2011-11-16 | 298.15 |
| 46 | 2456148 | 2012-08-08 | 299.99 |
| 47 | 2456453 | 2013-06-09 | 299.54 |
| 48 | 2456745 | 2014-03-28 | 297.85 |
| 49 | 2457042 | 2015-01-19 | 295.98 |
| 50 | 2457342 | 2015-11-15 | 295.9 |
| 51 | 2457655 | 2016-09-23 | 296.43 |
| 52 | 2457937 | 2017-07-02 | 295.21 |
| 53 | 2458232 | 2018-04-23 | 294.04 |
| 54 | 2458523 | 2019-02-08 | 292.93 |
| 55 | 2458825 | 2019-12-07 | 292.02 |
| 56 | 2459110 | 2020-09-17 | 291.31 |
| 57 | 2459398 | 2021-07-02 | 291.57 |
| 58 | 2459683 | 2022-04-13 | 291.25 |
| 59 | 2459980 | 2023-02-04 | 291.02 |
| 60 | 2460275 | 2023-11-26 | 290.54 |
| 61 | 2460566 | 2024-09-12 | 291.66 |
| 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. |