| E | O (JD) | O (dat) | Period |
| -100 | 2413439 | 1895-09-02 | 274.25 |
| -99 | 2413717 | 1896-06-06 | 278.65 |
| -97 | 2414303 | 1898-01-13 | 280.85 |
| -96 | 2414570 | 1898-10-07 | 279.23 |
| -95 | 2414830 | 1899-06-24 | 280.04 |
| -94 | 2415135 | 1900-04-25 | 279.85 |
| -92 | 2415680 | 1901-10-22 | 279.45 |
| -91 | 2415954 | 1902-07-23 | 281.43 |
| -88 | 2416803 | 1904-11-18 | 280.95 |
| -87 | 2417094 | 1905-09-05 | 280.43 |
| -86 | 2417368 | 1906-06-06 | 281.14 |
| -84 | 2417942 | 1908-01-01 | 279.95 |
| -83 | 2418204 | 1908-09-19 | 278.95 |
| -82 | 2418500 | 1909-07-12 | 279.55 |
| -80 | 2419038 | 1911-01-01 | 279.29 |
| -79 | 2419318 | 1911-10-08 | 279.1 |
| -78 | 2419600 | 1912-07-16 | 279.75 |
| -75 | 2420453 | 1914-11-16 | 280.47 |
| -74 | 2420722 | 1915-08-12 | 282.44 |
| -73 | 2421006 | 1916-05-22 | 283.06 |
| -72 | 2421293 | 1917-03-05 | 283.25 |
| -71 | 2421574 | 1917-12-11 | 283.78 |
| -70 | 2421866 | 1918-09-29 | 283.43 |
| -69 | 2422147 | 1919-07-07 | 282.07 |
| -68 | 2422438 | 1920-04-23 | 281.36 |
| -67 | 2422710 | 1921-01-20 | 281.43 |
| -66 | 2422986 | 1921-10-23 | 280.43 |
| -65 | 2423262 | 1922-07-26 | 278.85 |
| -64 | 2423544 | 1923-05-04 | 278.78 |
| -63 | 2423836 | 1924-02-20 | 278.86 |
| -62 | 2424103 | 1924-11-13 | 279.58 |
| -61 | 2424386 | 1925-08-23 | 280 |
| -60 | 2424665 | 1926-05-29 | 278.5 |
| -59 | 2424935 | 1927-02-23 | 278.85 |
| -58 | 2425227 | 1927-12-12 | 279 |
| -57 | 2425499 | 1928-09-09 | 277.93 |
| -56 | 2425780 | 1929-06-17 | 279.28 |
| -55 | 2426063 | 1930-03-27 | 280.14 |
| -54 | 2426332 | 1930-12-21 | 280.14 |
| -53 | 2426610 | 1931-09-25 | 280.65 |
| -52 | 2426900 | 1932-07-11 | 280.72 |
| -51 | 2427184 | 1933-04-21 | 282 |
| -50 | 2427464 | 1934-01-26 | 283.35 |
| -49 | 2427744 | 1934-11-02 | 283.28 |
| -48 | 2428029 | 1935-08-14 | 283.15 |
| -47 | 2428314 | 1936-05-25 | 283.72 |
| -46 | 2428595 | 1937-03-02 | 284.35 |
| -45 | 2428881 | 1937-12-13 | 284.21 |
| -44 | 2429167 | 1938-09-25 | 283.71 |
| -43 | 2429453 | 1939-07-08 | 283.93 |
| -42 | 2429736 | 1940-04-16 | 284.08 |
| -41 | 2430016 | 1941-01-21 | 283.28 |
| -40 | 2430299 | 1941-10-31 | 282.5 |
| -39 | 2430585 | 1942-08-13 | 282.35 |
| -38 | 2430868 | 1943-05-23 | 282.36 |
| -37 | 2431146 | 1944-02-25 | 282.58 |
| -36 | 2431429 | 1944-12-04 | 282.5 |
| -35 | 2431713 | 1945-09-14 | 281.35 |
| -34 | 2431992 | 1946-06-20 | 280.35 |
| -33 | 2432279 | 1947-04-03 | 280.15 |
| -32 | 2432560 | 1948-01-09 | 279.93 |
| -31 | 2432832 | 1948-10-07 | 280.78 |
| -30 | 2433107 | 1949-07-09 | 281.78 |
| -29 | 2433390 | 1950-04-18 | 281.93 |
| -28 | 2433671 | 1951-01-24 | 282.36 |
| -27 | 2433965 | 1951-11-14 | 282.22 |
| -26 | 2434251 | 1952-08-26 | 281.78 |
| -25 | 2434535 | 1953-06-06 | 281.57 |
| -24 | 2434810 | 1954-03-08 | 280.71 |
| -23 | 2435080 | 1954-12-03 | 279.36 |
| -22 | 2435362 | 1955-09-11 | 278.65 |
| -21 | 2435641 | 1956-06-16 | 279.07 |
| -20 | 2435925 | 1957-03-27 | 280.57 |
| -19 | 2436202 | 1957-12-29 | 281.57 |
| -18 | 2436485 | 1958-10-08 | 281.15 |
| -17 | 2436767 | 1959-07-17 | 281.08 |
| -16 | 2437051 | 1960-04-26 | 281.85 |
| -15 | 2437333 | 1961-02-02 | 281.64 |
| -14 | 2437606 | 1961-11-02 | 280.71 |
| -13 | 2437895 | 1962-08-18 | 280.22 |
| -12 | 2438178 | 1963-05-28 | 280 |
| -11 | 2438452 | 1964-02-26 | 280.28 |
| -10 | 2438730 | 1964-11-30 | 280.07 |
| -9 | 2439011 | 1965-09-07 | 279.5 |
| -8 | 2439293 | 1966-06-16 | 280.15 |
| -7 | 2439570 | 1967-03-20 | 280.86 |
| -6 | 2439852 | 1967-12-27 | 281.07 |
| -5 | 2440134 | 1968-10-04 | 282 |
| -4 | 2440418 | 1969-07-15 | 283 |
| -3 | 2440696 | 1970-04-19 | 283.72 |
| -2 | 2440980 | 1971-01-28 | 283.86 |
| -1 | 2441272 | 1971-11-16 | 283.43 |
| 0 | 2441553 | 1972-08-23 | 283.78 |
| 1 | 2441841 | 1973-06-07 | 284.35 |
| 2 | 2442119 | 1974-03-12 | 283.22 |
| 3 | 2442401 | 1974-12-19 | 282.72 |
| 4 | 2442686 | 1975-09-30 | 283.21 |
| 5 | 2442971 | 1976-07-11 | 282.5 |
| 6 | 2443246 | 1977-04-12 | 282.21 |
| 7 | 2443537 | 1978-01-28 | 282.36 |
| 8 | 2443822 | 1978-11-09 | 281.29 |
| 9 | 2444093 | 1979-08-07 | 280.28 |
| 10 | 2444378 | 1980-05-18 | 279.57 |
| 11 | 2444662 | 1981-02-26 | 278.35 |
| 12 | 2444933 | 1981-11-24 | 278.86 |
| 13 | 2445208 | 1982-08-26 | 279.5 |
| 14 | 2445489 | 1983-06-03 | 278.57 |
| 15 | 2445767 | 1984-03-07 | 278.07 |
| 16 | 2446052 | 1984-12-17 | 278.43 |
| 17 | 2446332 | 1985-09-23 | 279.08 |
| 18 | 2446608 | 1986-06-26 | 280 |
| 19 | 2446880 | 1987-03-25 | 279.78 |
| 20 | 2447159 | 1987-12-29 | 279.85 |
| 21 | 2447445 | 1988-10-10 | 281.07 |
| 22 | 2447731 | 1989-07-23 | 282.22 |
| 23 | 2448005 | 1990-04-23 | 283.22 |
| 24 | 2448297 | 1991-02-09 | 283.64 |
| 25 | 2448578 | 1991-11-17 | 283.14 |
| 26 | 2448861 | 1992-08-26 | 283.57 |
| 27 | 2449143 | 1993-06-04 | 283.86 |
| 28 | 2449432 | 1994-03-20 | 283.22 |
| 29 | 2449708 | 1994-12-21 | 283.21 |
| 30 | 2449998 | 1995-10-07 | 283.07 |
| 31 | 2450278 | 1996-07-13 | 283.07 |
| 32 | 2450562 | 1997-04-23 | 283.58 |
| 33 | 2450842 | 1998-01-28 | 284.15 |
| 34 | 2451125 | 1998-11-07 | 284.28 |
| 35 | 2451413 | 1999-08-22 | 284.64 |
| 36 | 2451697 | 2000-06-01 | 285.07 |
| 37 | 2451987 | 2001-03-18 | 285.08 |
| 38 | 2452269 | 2001-12-25 | 284.58 |
| 39 | 2452556 | 2002-10-08 | 283.78 |
| 40 | 2452839 | 2003-07-18 | 282.78 |
| 41 | 2453119 | 2004-04-23 | 283 |
| 42 | 2453403 | 2005-02-01 | 283.86 |
| 43 | 2453680 | 2005-11-05 | 283.36 |
| 44 | 2453963 | 2006-08-15 | 283.07 |
| 45 | 2454255 | 2007-06-03 | 283.28 |
| 46 | 2454544 | 2008-03-18 | 283.57 |
| 47 | 2454818 | 2008-12-17 | 283.58 |
| 48 | 2455103 | 2009-09-28 | 282.43 |
| 49 | 2455385 | 2010-07-07 | 281.07 |
| 50 | 2455668 | 2011-04-16 | 280.71 |
| 51 | 2455945 | 2012-01-18 | 280.07 |
| 52 | 2456227 | 2012-10-26 | 279.79 |
| 53 | 2456507 | 2013-08-02 | 280.15 |
| 54 | 2456785 | 2014-05-07 | 278.5 |
| 55 | 2457057 | 2015-02-03 | 276.93 |
| 56 | 2457348 | 2015-11-21 | 277.21 |
| 57 | 2457627 | 2016-08-26 | 277.93 |
| 58 | 2457885 | 2017-05-11 | 278.5 |
| 59 | 2458164 | 2018-02-14 | 277.14 |
| 60 | 2458451 | 2018-11-28 | 276.21 |
| 61 | 2458732 | 2019-09-05 | 278.5 |
| 62 | 2459009 | 2020-06-08 | 280.24 |
| 63 | 2459276 | 2021-03-02 | 279.46 |
| 64 | 2459566 | 2021-12-17 | 277.49 |
| 65 | 2459845 | 2022-09-22 | 276.78 |
| 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. |