| E | O (JD) | O (dat) | Period |
| -97 | 2411648 | 1890-10-07 | 295.15 |
| -96 | 2411945 | 1891-07-31 | 294.33 |
| -95 | 2412242 | 1892-05-23 | 293.76 |
| -93 | 2412816 | 1893-12-18 | 294.53 |
| -92 | 2413122 | 1894-10-20 | 294 |
| -91 | 2413411 | 1895-08-05 | 292.94 |
| -90 | 2413707 | 1896-05-27 | 293.93 |
| -89 | 2414006 | 1897-03-22 | 295.79 |
| -88 | 2414291 | 1898-01-01 | 296.57 |
| -87 | 2414583 | 1898-10-20 | 297.29 |
| -86 | 2414884 | 1899-08-17 | 296.5 |
| -85 | 2415195 | 1900-06-24 | 296.07 |
| -84 | 2415490 | 1901-04-15 | 295.5 |
| -83 | 2415790 | 1902-02-09 | 294.65 |
| -82 | 2416074 | 1902-11-20 | 294.32 |
| -81 | 2416368 | 1903-09-10 | 294.03 |
| -80 | 2416643 | 1904-06-11 | 294.23 |
| -76 | 2417833 | 1907-09-14 | 294.79 |
| -70 | 2419604 | 1912-07-20 | 295.29 |
| -66 | 2420784 | 1915-10-13 | 295.81 |
| -62 | 2421971 | 1919-01-12 | 296.58 |
| -61 | 2422274 | 1919-11-11 | 297.03 |
| -60 | 2422570 | 1920-09-02 | 297.6 |
| -59 | 2422865 | 1921-06-24 | 298.11 |
| -57 | 2423474 | 1923-02-23 | 297.38 |
| -56 | 2423765 | 1923-12-11 | 297.38 |
| -55 | 2424063 | 1924-10-04 | 297.56 |
| -54 | 2424356 | 1925-07-24 | 296.07 |
| -53 | 2424647 | 1926-05-11 | 295.07 |
| -52 | 2424955 | 1927-03-15 | 295.64 |
| -51 | 2425241 | 1927-12-26 | 296.43 |
| -50 | 2425539 | 1928-10-19 | 296.29 |
| -49 | 2425831 | 1929-08-07 | 295.14 |
| -48 | 2426136 | 1930-06-08 | 294.36 |
| -47 | 2426433 | 1931-04-01 | 295.43 |
| -46 | 2426718 | 1932-01-11 | 296.57 |
| -45 | 2427016 | 1932-11-04 | 295.21 |
| -44 | 2427301 | 1933-08-16 | 294.07 |
| -43 | 2427615 | 1934-06-26 | 294.86 |
| -42 | 2427907 | 1935-04-14 | 296.14 |
| -41 | 2428193 | 1936-01-25 | 297.21 |
| -40 | 2428493 | 1936-11-20 | 296.07 |
| -39 | 2428786 | 1937-09-09 | 295.71 |
| -38 | 2429094 | 1938-07-14 | 298.71 |
| -37 | 2429384 | 1939-04-30 | 298.75 |
| -36 | 2429677 | 1940-02-17 | 298.39 |
| -35 | 2429985 | 1940-12-21 | 299.33 |
| -34 | 2430297 | 1941-10-29 | 299.44 |
| -31 | 2431169 | 1944-03-19 | 299.61 |
| -30 | 2431481 | 1945-01-25 | 298.5 |
| -29 | 2431787 | 1945-11-27 | 296.83 |
| -28 | 2432081 | 1946-09-17 | 297 |
| -27 | 2432373 | 1947-07-06 | 297.07 |
| -26 | 2432662 | 1948-04-20 | 295.5 |
| -25 | 2432963 | 1949-02-15 | 295.29 |
| -24 | 2433255 | 1949-12-04 | 296.43 |
| -23 | 2433554 | 1950-09-29 | 298.14 |
| -22 | 2433851 | 1951-07-23 | 298.71 |
| -21 | 2434151 | 1952-05-18 | 298.36 |
| -20 | 2434453 | 1953-03-16 | 298.14 |
| -19 | 2434756 | 1954-01-13 | 298.57 |
| -18 | 2435051 | 1954-11-04 | 298.79 |
| -17 | 2435344 | 1955-08-24 | 297.5 |
| -16 | 2435639 | 1956-06-14 | 296.57 |
| -15 | 2435946 | 1957-04-17 | 296.57 |
| -14 | 2436239 | 1958-02-04 | 297.43 |
| -13 | 2436530 | 1958-11-22 | 297.79 |
| -12 | 2436831 | 1959-09-19 | 296.43 |
| -11 | 2437128 | 1960-07-12 | 295.79 |
| -10 | 2437431 | 1961-05-11 | 296.29 |
| -9 | 2437721 | 1962-02-25 | 296.36 |
| -8 | 2438014 | 1962-12-15 | 296.21 |
| -7 | 2438312 | 1963-10-09 | 295.21 |
| -6 | 2438605 | 1964-07-28 | 294.64 |
| -5 | 2438905 | 1965-05-24 | 295.36 |
| -4 | 2439201 | 1966-03-16 | 295.79 |
| -3 | 2439491 | 1966-12-31 | 295.71 |
| -2 | 2439786 | 1967-10-22 | 295.07 |
| -1 | 2440084 | 1968-08-15 | 294.79 |
| 0 | 2440383 | 1969-06-10 | 296 |
| 1 | 2440674 | 1970-03-28 | 297.5 |
| 2 | 2440967 | 1971-01-15 | 298.64 |
| 3 | 2441266 | 1971-11-10 | 299 |
| 4 | 2441570 | 1972-09-09 | 298.21 |
| 5 | 2441872 | 1973-07-08 | 298.14 |
| 6 | 2442179 | 1974-05-11 | 298.21 |
| 7 | 2442474 | 1975-03-02 | 297.71 |
| 8 | 2442758 | 1975-12-11 | 296.86 |
| 9 | 2443057 | 1976-10-05 | 295 |
| 10 | 2443351 | 1977-07-26 | 295.07 |
| 11 | 2443653 | 1978-05-24 | 296.93 |
| 12 | 2443945 | 1979-03-12 | 297.36 |
| 13 | 2444236 | 1979-12-28 | 298.71 |
| 14 | 2444548 | 1980-11-04 | 299.57 |
| 15 | 2444841 | 1981-08-24 | 299.21 |
| 16 | 2445137 | 1982-06-16 | 300.43 |
| 17 | 2445453 | 1983-04-28 | 300.5 |
| 18 | 2445745 | 1984-02-14 | 300 |
| 19 | 2446042 | 1984-12-07 | 300.21 |
| 20 | 2446345 | 1985-10-06 | 298.79 |
| 21 | 2446646 | 1986-08-03 | 297.29 |
| 22 | 2446943 | 1987-05-27 | 296 |
| 23 | 2447238 | 1988-03-17 | 294.57 |
| 24 | 2447535 | 1989-01-08 | 293.57 |
| 25 | 2447825 | 1989-10-25 | 292.93 |
| 26 | 2448106 | 1990-08-02 | 292.86 |
| 27 | 2448405 | 1991-05-28 | 292.36 |
| 28 | 2448696 | 1992-03-14 | 291.93 |
| 29 | 2448994 | 1993-01-06 | 293.36 |
| 30 | 2449287 | 1993-10-26 | 294.29 |
| 31 | 2449579 | 1994-08-14 | 294.21 |
| 32 | 2449868 | 1995-05-30 | 294.36 |
| 33 | 2450170 | 1996-03-27 | 293.93 |
| 34 | 2450461 | 1997-01-12 | 294.14 |
| 35 | 2450759 | 1997-11-06 | 295.07 |
| 36 | 2451052 | 1998-08-26 | 295.07 |
| 37 | 2451344 | 1999-06-14 | 295.21 |
| 38 | 2451640 | 2000-04-05 | 296.5 |
| 39 | 2451938 | 2001-01-28 | 296.13 |
| 40 | 2452231 | 2001-11-17 | 295.75 |
| 41 | 2452533 | 2002-09-15 | 296.63 |
| 42 | 2452838 | 2003-07-17 | 297.56 |
| 44 | 2453415 | 2005-02-13 | 297.5 |
| 45 | 2453713 | 2005-12-08 | 297.19 |
| 46 | 2454017 | 2006-10-08 | 296.5 |
| 47 | 2454322 | 2007-08-09 | 295.93 |
| 48 | 2454607 | 2008-05-20 | 296.5 |
| 49 | 2454912 | 2009-03-21 | 296.36 |
| 50 | 2455203 | 2010-01-06 | 295.21 |
| 51 | 2455489 | 2010-10-19 | 294.79 |
| 52 | 2455790 | 2011-08-16 | 294.86 |
| 53 | 2456089 | 2012-06-10 | 294.43 |
| 54 | 2456383 | 2013-03-31 | 294.79 |
| 55 | 2456673 | 2014-01-15 | 294.64 |
| 56 | 2456974 | 2014-11-12 | 293.36 |
| 57 | 2457263 | 2015-08-28 | 293.5 |
| 58 | 2457556 | 2016-06-16 | 294.57 |
| 59 | 2457848 | 2017-04-04 | 294 |
| 60 | 2458138 | 2018-01-19 | 293.71 |
| 61 | 2458443 | 2018-11-20 | 293.57 |
| 62 | 2458737 | 2019-09-10 | 293.71 |
| 63 | 2459026 | 2020-06-25 | 295.06 |
| 64 | 2459323 | 2021-04-18 | 294.26 |
| 65 | 2459606 | 2022-01-26 | 292.08 |
| 66 | 2459910 | 2022-11-26 | 291.7 |
| 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. |