| E | O (JD) | O (dat) | Period |
| -96 | 2412759 | 1893-10-22 | 302.38 |
| -95 | 2413061 | 1894-08-20 | 303.09 |
| -94 | 2413362 | 1895-06-17 | 303.65 |
| -93 | 2413670 | 1896-04-20 | 303.18 |
| -91 | 2414270 | 1897-12-11 | 303.85 |
| -90 | 2414573 | 1898-10-10 | 303.67 |
| -89 | 2414884 | 1899-08-17 | 303.73 |
| -88 | 2415191 | 1900-06-20 | 303.83 |
| -86 | 2415785 | 1902-02-04 | 304.44 |
| -85 | 2416108 | 1902-12-24 | 304.4 |
| -84 | 2416397 | 1903-10-09 | 303.35 |
| -83 | 2416703 | 1904-08-10 | 302.87 |
| -82 | 2417009 | 1905-06-12 | 302.56 |
| -81 | 2417330 | 1906-04-29 | 303.31 |
| -79 | 2417918 | 1907-12-08 | 303.24 |
| -78 | 2418204 | 1908-09-19 | 304.18 |
| -77 | 2418520 | 1909-08-01 | 305.03 |
| -76 | 2418820 | 1910-05-28 | 305.43 |
| -72 | 2420050 | 1913-10-09 | 305.89 |
| -71 | 2420350 | 1914-08-05 | 306.56 |
| -70 | 2420669 | 1915-06-20 | 306.97 |
| -66 | 2421899 | 1918-11-01 | 306.85 |
| -65 | 2422199 | 1919-08-28 | 307.24 |
| -64 | 2422508 | 1920-07-02 | 307.29 |
| -63 | 2422803 | 1921-04-23 | 307.91 |
| -62 | 2423120 | 1922-03-06 | 308.31 |
| -61 | 2423427 | 1923-01-07 | 308.9 |
| -60 | 2423743 | 1923-11-19 | 309.12 |
| -59 | 2424045 | 1924-09-16 | 309.02 |
| -58 | 2424369 | 1925-08-06 | 308.69 |
| -57 | 2424680 | 1926-06-13 | 307.75 |
| -56 | 2424972 | 1927-04-01 | 306.92 |
| -55 | 2425279 | 1928-02-02 | 306.28 |
| -54 | 2425588 | 1928-12-07 | 306.52 |
| -53 | 2425890 | 1929-10-05 | 305.9 |
| -52 | 2426199 | 1930-08-10 | 306.18 |
| -51 | 2426500 | 1931-06-07 | 306.99 |
| -50 | 2426812 | 1932-04-14 | 306.29 |
| -49 | 2427129 | 1933-02-25 | 305.97 |
| -48 | 2427425 | 1933-12-18 | 305.96 |
| -47 | 2427732 | 1934-10-21 | 305.15 |
| -46 | 2428043 | 1935-08-28 | 304.87 |
| -45 | 2428332 | 1936-06-12 | 304.11 |
| -44 | 2428644 | 1937-04-20 | 303.56 |
| -43 | 2428953 | 1938-02-23 | 303.5 |
| -42 | 2429246 | 1938-12-13 | 303.3 |
| -41 | 2429558 | 1939-10-21 | 303.27 |
| -40 | 2429858 | 1940-08-16 | 303.14 |
| -39 | 2430160 | 1941-06-14 | 302.85 |
| -37 | 2430764 | 1943-02-08 | 303.31 |
| -35 | 2431374 | 1944-10-10 | 303.54 |
| -34 | 2431678 | 1945-08-10 | 303.66 |
| -33 | 2431971 | 1946-05-30 | 304.16 |
| -32 | 2432282 | 1947-04-06 | 304.79 |
| -31 | 2432599 | 1948-02-17 | 305.31 |
| -30 | 2432891 | 1948-12-05 | 305.37 |
| -29 | 2433203 | 1949-10-13 | 305.75 |
| -28 | 2433508 | 1950-08-14 | 306.22 |
| -27 | 2433818 | 1951-06-20 | 306.01 |
| -26 | 2434119 | 1952-04-16 | 305.85 |
| -25 | 2434420 | 1953-02-11 | 306.4 |
| -24 | 2434732 | 1953-12-20 | 306.29 |
| -23 | 2435041 | 1954-10-25 | 306.61 |
| -22 | 2435347 | 1955-08-27 | 306.26 |
| -21 | 2435650 | 1956-06-25 | 305.76 |
| -20 | 2435959 | 1957-04-30 | 305.69 |
| -19 | 2436266 | 1958-03-03 | 305.44 |
| -18 | 2436576 | 1959-01-07 | 305.17 |
| -17 | 2436870 | 1959-10-28 | 305.21 |
| -16 | 2437167 | 1960-08-20 | 305.3 |
| -15 | 2437485 | 1961-07-04 | 305.01 |
| -14 | 2437793 | 1962-05-08 | 304.74 |
| -13 | 2438093 | 1963-03-04 | 305.04 |
| -12 | 2438401 | 1964-01-06 | 305.96 |
| -11 | 2438707 | 1964-11-07 | 306.39 |
| -10 | 2439007 | 1965-09-03 | 306.63 |
| -9 | 2439308 | 1966-07-01 | 307.35 |
| -8 | 2439622 | 1967-05-11 | 308.1 |
| -7 | 2439935 | 1968-03-19 | 308.28 |
| -6 | 2440243 | 1969-01-21 | 308.94 |
| -5 | 2440557 | 1969-12-01 | 309.1 |
| -4 | 2440864 | 1970-10-04 | 308.77 |
| -3 | 2441171 | 1971-08-07 | 308.14 |
| -2 | 2441474 | 1972-06-05 | 307.32 |
| -1 | 2441791 | 1973-04-18 | 306.99 |
| 0 | 2442091 | 1974-02-12 | 307.16 |
| 1 | 2442397 | 1974-12-15 | 307.53 |
| 2 | 2442707 | 1975-10-21 | 307.77 |
| 3 | 2443006 | 1976-08-15 | 307.91 |
| 4 | 2443318 | 1977-06-23 | 307.73 |
| 5 | 2443636 | 1978-05-07 | 308.15 |
| 6 | 2443942 | 1979-03-09 | 308.03 |
| 7 | 2444248 | 1980-01-09 | 307.62 |
| 8 | 2444554 | 1980-11-10 | 307.3 |
| 9 | 2444860 | 1981-09-12 | 306.33 |
| 10 | 2445170 | 1982-07-19 | 305.65 |
| 11 | 2445474 | 1983-05-19 | 305.28 |
| 12 | 2445777 | 1984-03-17 | 305.31 |
| 13 | 2446083 | 1985-01-17 | 305.22 |
| 14 | 2446385 | 1985-11-15 | 304.49 |
| 15 | 2446693 | 1986-09-19 | 304.4 |
| 16 | 2446993 | 1987-07-16 | 304.98 |
| 17 | 2447306 | 1988-05-24 | 305.55 |
| 18 | 2447609 | 1989-03-23 | 305.95 |
| 19 | 2447900 | 1990-01-08 | 306.53 |
| 20 | 2448216 | 1990-11-20 | 307.23 |
| 21 | 2448530 | 1991-09-30 | 307.9 |
| 22 | 2448837 | 1992-08-02 | 308.49 |
| 23 | 2449142 | 1993-06-03 | 309.35 |
| 24 | 2449452 | 1994-04-09 | 310.03 |
| 25 | 2449766 | 1995-02-17 | 309.25 |
| 26 | 2450072 | 1995-12-20 | 308.72 |
| 27 | 2450386 | 1996-10-29 | 309.37 |
| 28 | 2450695 | 1997-09-03 | 309.06 |
| 29 | 2451005 | 1998-07-10 | 309 |
| 30 | 2451303 | 1999-05-04 | 309.15 |
| 31 | 2451610 | 2000-03-06 | 308.71 |
| 32 | 2451938 | 2001-01-28 | 308.65 |
| 33 | 2452230 | 2001-11-16 | 308.95 |
| 34 | 2452548 | 2002-09-30 | 309.34 |
| 35 | 2452862 | 2003-08-10 | 309.64 |
| 36 | 2453154 | 2004-05-28 | 309.41 |
| 37 | 2453473 | 2005-04-12 | 308.76 |
| 38 | 2453784 | 2006-02-17 | 309.28 |
| 39 | 2454095 | 2006-12-25 | 308.55 |
| 40 | 2454401 | 2007-10-27 | 307.85 |
| 41 | 2454711 | 2008-09-01 | 308.12 |
| 42 | 2455015 | 2009-07-02 | 307.45 |
| 43 | 2455328 | 2010-05-11 | 307.09 |
| 44 | 2455628 | 2011-03-07 | 307.07 |
| 45 | 2455927 | 2011-12-31 | 307.71 |
| 46 | 2456247 | 2012-11-15 | 307.89 |
| 47 | 2456553 | 2013-09-17 | 308.38 |
| 48 | 2456857 | 2014-07-18 | 308.93 |
| 49 | 2457168 | 2015-05-25 | 309.88 |
| 50 | 2457486 | 2016-04-07 | 310.04 |
| 51 | 2457787 | 2017-02-02 | 309.77 |
| 52 | 2458099 | 2017-12-11 | 310.03 |
| 53 | 2458413 | 2018-10-21 | 310.19 |
| 54 | 2458726 | 2019-08-30 | 309.98 |
| 55 | 2459028 | 2020-06-27 | 309.68 |
| 56 | 2459340 | 2021-05-05 | 310.21 |
| 57 | 2459650 | 2022-03-11 | 309.66 |
| 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. |