| E | O (JD) | O (dat) | Period |
| -84 | 2412744 | 1893-10-07 | 359.36 |
| -81 | 2413832 | 1896-09-29 | 359.55 |
| -80 | 2414177 | 1897-09-09 | 358.19 |
| -79 | 2414545 | 1898-09-12 | 356.91 |
| -77 | 2415262 | 1900-08-30 | 356.61 |
| -76 | 2415623 | 1901-08-26 | 355.69 |
| -75 | 2415968 | 1902-08-06 | 354.7 |
| -74 | 2416315 | 1903-07-19 | 355.3 |
| -73 | 2416680 | 1904-07-18 | 356.13 |
| -72 | 2417020 | 1905-06-23 | 356.75 |
| -70 | 2417732 | 1907-06-05 | 358.62 |
| -69 | 2418115 | 1908-06-22 | 357.39 |
| -68 | 2418468 | 1909-06-10 | 356.3 |
| -67 | 2418831 | 1910-06-08 | 357.05 |
| -66 | 2419190 | 1911-06-02 | 356.94 |
| -63 | 2420238 | 1914-04-15 | 355.44 |
| -62 | 2420588 | 1915-03-31 | 355.17 |
| -61 | 2420948 | 1916-03-25 | 356.34 |
| -60 | 2421324 | 1917-04-05 | 359.37 |
| -59 | 2421657 | 1918-03-04 | 361.14 |
| -58 | 2422035 | 1919-03-17 | 359.43 |
| -57 | 2422400 | 1920-03-16 | 357.93 |
| -56 | 2422778 | 1921-03-29 | 358.93 |
| -55 | 2423104 | 1922-02-18 | 358.35 |
| -54 | 2423464 | 1923-02-13 | 355.64 |
| -53 | 2423819 | 1924-02-03 | 354.01 |
| -52 | 2424187 | 1925-02-05 | 353.65 |
| -51 | 2424522 | 1926-01-06 | 354.71 |
| -50 | 2424892 | 1927-01-11 | 354.06 |
| -49 | 2425242 | 1927-12-27 | 352.5 |
| -48 | 2425591 | 1928-12-10 | 352.51 |
| -47 | 2425943 | 1929-11-27 | 352.43 |
| -46 | 2426297 | 1930-11-16 | 350.93 |
| -45 | 2426644 | 1931-10-29 | 351.28 |
| -44 | 2427000 | 1932-10-19 | 351.78 |
| -43 | 2427348 | 1933-10-02 | 350.86 |
| -42 | 2427699 | 1934-09-18 | 351.72 |
| -41 | 2428052 | 1935-09-06 | 354 |
| -40 | 2428407 | 1936-08-26 | 353.92 |
| -39 | 2428745 | 1937-07-30 | 352.93 |
| -38 | 2429120 | 1938-08-09 | 353.15 |
| -37 | 2429480 | 1939-08-04 | 354.65 |
| -36 | 2429823 | 1940-07-12 | 356 |
| -35 | 2430165 | 1941-06-19 | 355.78 |
| -34 | 2430530 | 1942-06-19 | 355.86 |
| -33 | 2430894 | 1943-06-18 | 356.86 |
| -32 | 2431242 | 1944-05-31 | 357.29 |
| -31 | 2431604 | 1945-05-28 | 357.21 |
| -30 | 2431978 | 1946-06-06 | 355.63 |
| -29 | 2432321 | 1947-05-15 | 355.64 |
| -28 | 2432669 | 1948-04-27 | 356.01 |
| -27 | 2433027 | 1949-04-20 | 353.93 |
| -26 | 2433376 | 1950-04-04 | 353.71 |
| -25 | 2433739 | 1951-04-02 | 355.63 |
| -24 | 2434091 | 1952-03-19 | 356.36 |
| -23 | 2434446 | 1953-03-09 | 356.72 |
| -22 | 2434805 | 1954-03-03 | 356.72 |
| -21 | 2435164 | 1955-02-25 | 356.93 |
| -20 | 2435521 | 1956-02-17 | 358.13 |
| -19 | 2435876 | 1957-02-06 | 358.5 |
| -18 | 2436233 | 1958-01-29 | 358.29 |
| -17 | 2436594 | 1959-01-25 | 358.72 |
| -16 | 2436957 | 1960-01-23 | 360.36 |
| -15 | 2437313 | 1961-01-13 | 360.85 |
| -14 | 2437672 | 1962-01-07 | 358.64 |
| -13 | 2438035 | 1963-01-05 | 356.43 |
| -12 | 2438407 | 1964-01-12 | 355.43 |
| -11 | 2438754 | 1964-12-24 | 355.14 |
| -10 | 2439094 | 1965-11-29 | 354.78 |
| -9 | 2439447 | 1966-11-17 | 352.21 |
| -8 | 2439799 | 1967-11-04 | 350.79 |
| -7 | 2440158 | 1968-10-28 | 352.36 |
| -6 | 2440516 | 1969-10-21 | 354 |
| -5 | 2440857 | 1970-09-27 | 354.06 |
| -4 | 2441215 | 1971-09-20 | 354 |
| -3 | 2441566 | 1972-09-05 | 355.01 |
| -2 | 2441931 | 1973-09-05 | 356.01 |
| -1 | 2442272 | 1974-08-12 | 357.28 |
| 0 | 2442641 | 1975-08-16 | 357.63 |
| 1 | 2443003 | 1976-08-12 | 356.71 |
| 2 | 2443354 | 1977-07-29 | 357.01 |
| 3 | 2443720 | 1978-07-30 | 358.65 |
| 4 | 2444068 | 1979-07-13 | 358.21 |
| 5 | 2444423 | 1980-07-02 | 356.78 |
| 6 | 2444778 | 1981-06-22 | 355.36 |
| 7 | 2445156 | 1982-07-05 | 353.93 |
| 8 | 2445503 | 1983-06-17 | 354.22 |
| 9 | 2445849 | 1984-05-28 | 354.86 |
| 10 | 2446200 | 1985-05-14 | 352.56 |
| 11 | 2446543 | 1986-04-22 | 352.93 |
| 12 | 2446907 | 1987-04-21 | 355.79 |
| 13 | 2447262 | 1988-04-10 | 355.43 |
| 14 | 2447608 | 1989-03-22 | 356.21 |
| 15 | 2447992 | 1990-04-10 | 356.56 |
| 16 | 2448341 | 1991-03-25 | 356.36 |
| 17 | 2448684 | 1992-03-02 | 358.93 |
| 18 | 2449046 | 1993-02-27 | 357.72 |
| 19 | 2449396 | 1994-02-12 | 355.43 |
| 20 | 2449762 | 1995-02-13 | 357.35 |
| 21 | 2450133 | 1996-02-19 | 358.07 |
| 22 | 2450475 | 1997-01-26 | 358.36 |
| 23 | 2450834 | 1998-01-20 | 358.36 |
| 24 | 2451194 | 1999-01-15 | 356.5 |
| 25 | 2451549 | 2000-01-05 | 356.56 |
| 26 | 2451910 | 2000-12-31 | 356.5 |
| 27 | 2452265 | 2001-12-21 | 355.15 |
| 28 | 2452621 | 2002-12-12 | 355.22 |
| 29 | 2452979 | 2003-12-05 | 354.93 |
| 30 | 2453321 | 2004-11-11 | 354.06 |
| 31 | 2453679 | 2005-11-04 | 354.36 |
| 32 | 2454037 | 2006-10-28 | 354.65 |
| 33 | 2454391 | 2007-10-17 | 356.08 |
| 34 | 2454741 | 2008-10-01 | 358.14 |
| 35 | 2455106 | 2009-10-01 | 358.99 |
| 36 | 2455459 | 2010-09-19 | 359.07 |
| 37 | 2455826 | 2011-09-21 | 358.86 |
| 38 | 2456188 | 2012-09-17 | 358.51 |
| 39 | 2456554 | 2013-09-18 | 358.43 |
| 40 | 2456901 | 2014-08-31 | 357.85 |
| 41 | 2457255 | 2015-08-20 | 357.5 |
| 42 | 2457611 | 2016-08-10 | 357.36 |
| 43 | 2457972 | 2017-08-06 | 357.08 |
| 44 | 2458323 | 2018-07-23 | 358.36 |
| 45 | 2458696 | 2019-07-31 | 359.12 |
| 46 | 2459049 | 2020-07-18 | 359.06 |
| 47 | 2459405 | 2021-07-09 | 360.68 |
| 48 | 2459768 | 2022-07-07 | 362.61 |
| 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. |