| E | O (JD) | O (dat) | Period |
| -80 | 2413462 | 1895-09-25 | 364.91 |
| -79 | 2413815 | 1896-09-12 | 365.33 |
| -78 | 2414175 | 1897-09-07 | 365.35 |
| -73 | 2416000 | 1902-09-07 | 365.67 |
| -72 | 2416377 | 1903-09-19 | 366.32 |
| -71 | 2416740 | 1904-09-16 | 366.35 |
| -70 | 2417111 | 1905-09-22 | 367.34 |
| -69 | 2417471 | 1906-09-17 | 368.2 |
| -68 | 2417846 | 1907-09-27 | 368.69 |
| -67 | 2418227 | 1908-10-12 | 368.54 |
| -66 | 2418578 | 1909-09-28 | 368.4 |
| -65 | 2418957 | 1910-10-12 | 367.63 |
| -64 | 2419327 | 1911-10-17 | 367.24 |
| -63 | 2419683 | 1912-10-07 | 366.81 |
| -62 | 2420060 | 1913-10-19 | 365.89 |
| -61 | 2420420 | 1914-10-14 | 365.72 |
| -60 | 2420779 | 1915-10-08 | 364.98 |
| -59 | 2421150 | 1916-10-13 | 365.09 |
| -58 | 2421525 | 1917-10-23 | 365.18 |
| -57 | 2421875 | 1918-10-08 | 365.04 |
| -56 | 2422240 | 1919-10-08 | 364.31 |
| -55 | 2422609 | 1920-10-11 | 364.09 |
| -54 | 2422979 | 1921-10-16 | 364.04 |
| -53 | 2423339 | 1922-10-11 | 363.48 |
| -52 | 2423709 | 1923-10-16 | 363.9 |
| -51 | 2424049 | 1924-09-20 | 362.96 |
| -50 | 2424426 | 1925-10-02 | 363.36 |
| -49 | 2424800 | 1926-10-11 | 363.77 |
| -48 | 2425148 | 1927-09-24 | 364.27 |
| -47 | 2425519 | 1928-09-29 | 365.32 |
| -46 | 2425868 | 1929-09-13 | 366.36 |
| -45 | 2426258 | 1930-10-08 | 367.95 |
| -44 | 2426619 | 1931-10-04 | 368.65 |
| -43 | 2426979 | 1932-09-28 | 370.08 |
| -42 | 2427359 | 1933-10-13 | 370.69 |
| -41 | 2427719 | 1934-10-08 | 372 |
| -40 | 2428125 | 1935-11-18 | 372.19 |
| -39 | 2428468 | 1936-10-26 | 372.01 |
| -38 | 2428844 | 1937-11-06 | 371.28 |
| -37 | 2429217 | 1938-11-14 | 369.85 |
| -36 | 2429601 | 1939-12-03 | 368.72 |
| -35 | 2429974 | 1940-12-10 | 366.69 |
| -34 | 2430319 | 1941-11-20 | 366.55 |
| -33 | 2430686 | 1942-11-22 | 364.78 |
| -32 | 2431052 | 1943-11-23 | 363.78 |
| -31 | 2431417 | 1944-11-22 | 363.25 |
| -30 | 2431777 | 1945-11-17 | 363.77 |
| -29 | 2432143 | 1946-11-18 | 364.42 |
| -28 | 2432499 | 1947-11-09 | 363.76 |
| -27 | 2432871 | 1948-11-15 | 363.65 |
| -26 | 2433239 | 1949-11-18 | 364.02 |
| -25 | 2433606 | 1950-11-20 | 365.32 |
| -24 | 2433962 | 1951-11-11 | 364.46 |
| -23 | 2434317 | 1952-10-31 | 364.14 |
| -22 | 2434688 | 1953-11-06 | 363.84 |
| -21 | 2435060 | 1954-11-13 | 363.87 |
| -20 | 2435444 | 1955-12-02 | 364.1 |
| -19 | 2435770 | 1956-10-23 | 364.23 |
| -18 | 2436141 | 1957-10-29 | 364.55 |
| -17 | 2436514 | 1958-11-06 | 364.57 |
| -16 | 2436878 | 1959-11-05 | 365.25 |
| -15 | 2437242 | 1960-11-03 | 365.64 |
| -14 | 2437600 | 1961-10-27 | 367.29 |
| -13 | 2437976 | 1962-11-07 | 367.04 |
| -12 | 2438346 | 1963-11-12 | 366.59 |
| -11 | 2438721 | 1964-11-21 | 366.04 |
| -10 | 2439075 | 1965-11-10 | 365.31 |
| -9 | 2439445 | 1966-11-15 | 364.52 |
| -8 | 2439812 | 1967-11-17 | 363.52 |
| -7 | 2440171 | 1968-11-10 | 363.75 |
| -6 | 2440527 | 1969-11-01 | 364.65 |
| -5 | 2440889 | 1970-10-29 | 366.05 |
| -4 | 2441253 | 1971-10-28 | 366.96 |
| -3 | 2441621 | 1972-10-30 | 368.85 |
| -2 | 2442001 | 1973-11-14 | 370.08 |
| -1 | 2442377 | 1974-11-25 | 370.56 |
| 0 | 2442744 | 1975-11-27 | 370.29 |
| 1 | 2443113 | 1976-11-30 | 368.42 |
| 2 | 2443498 | 1977-12-20 | 367.15 |
| 3 | 2443854 | 1978-12-11 | 366.23 |
| 4 | 2444215 | 1979-12-07 | 365.22 |
| 5 | 2444580 | 1980-12-06 | 364.92 |
| 6 | 2444921 | 1981-11-12 | 365.11 |
| 7 | 2445304 | 1982-11-30 | 364.86 |
| 8 | 2445680 | 1983-12-11 | 365.86 |
| 9 | 2446034 | 1984-11-29 | 367.16 |
| 10 | 2446405 | 1985-12-05 | 368.17 |
| 11 | 2446781 | 1986-12-16 | 368.96 |
| 12 | 2447136 | 1987-12-06 | 368.41 |
| 13 | 2447506 | 1988-12-10 | 368.68 |
| 14 | 2447887 | 1989-12-26 | 369.55 |
| 15 | 2448254 | 1990-12-28 | 368.83 |
| 16 | 2448619 | 1991-12-28 | 368.48 |
| 17 | 2448988 | 1992-12-31 | 368.08 |
| 18 | 2449360 | 1994-01-07 | 366.74 |
| 19 | 2449733 | 1995-01-15 | 366.22 |
| 20 | 2450084 | 1996-01-01 | 366.29 |
| 21 | 2450457 | 1997-01-08 | 365.6 |
| 22 | 2450815 | 1998-01-01 | 364.83 |
| 23 | 2451175 | 1998-12-27 | 364.75 |
| 24 | 2451557 | 2000-01-13 | 365.36 |
| 25 | 2451923 | 2001-01-13 | 365.85 |
| 26 | 2452273 | 2001-12-29 | 365.68 |
| 27 | 2452637 | 2002-12-28 | 365.73 |
| 28 | 2453013 | 2004-01-08 | 366 |
| 29 | 2453387 | 2005-01-16 | 365.43 |
| 30 | 2453742 | 2006-01-06 | 366.02 |
| 31 | 2454108 | 2007-01-07 | 366.71 |
| 32 | 2454470 | 2008-01-04 | 366.66 |
| 33 | 2454848 | 2009-01-16 | 366.71 |
| 34 | 2455204 | 2010-01-07 | 366.87 |
| 35 | 2455577 | 2011-01-15 | 367.55 |
| 36 | 2455944 | 2012-01-17 | 367.6 |
| 37 | 2456312 | 2013-01-19 | 367.58 |
| 38 | 2456685 | 2014-01-27 | 367.04 |
| 39 | 2457046 | 2015-01-23 | 367.06 |
| 40 | 2457415 | 2016-01-27 | 366.47 |
| 41 | 2457781 | 2017-01-27 | 366.34 |
| 42 | 2458148 | 2018-01-29 | 366.45 |
| 43 | 2458510 | 2019-01-26 | 366.58 |
| 44 | 2458877 | 2020-01-28 | 366.86 |
| 45 | 2459242 | 2021-01-27 | 366.88 |
| 46 | 2459612 | 2022-02-01 | 367.15 |
| 47 | 2459984 | 2023-02-08 | 367.57 |
| 48 | 2460351 | 2024-02-10 | 368.46 |
| 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. |