| E | O (JD) | O (dat) | Period |
| -148 | 2406401 | 1876-05-26 | 221.8 |
| -143 | 2407518 | 1879-06-17 | 221.46 |
| -138 | 2408635 | 1882-07-08 | 221.12 |
| -122 | 2412170 | 1892-03-12 | 221.27 |
| -120 | 2412618 | 1893-06-03 | 221.59 |
| -115 | 2413713 | 1896-06-02 | 221.82 |
| -113 | 2414157 | 1897-08-20 | 221.68 |
| -110 | 2414811 | 1899-06-05 | 221.47 |
| -100 | 2417057 | 1905-07-30 | 221.69 |
| -99 | 2417285 | 1906-03-15 | 221.67 |
| -95 | 2418151 | 1908-07-28 | 221.46 |
| -94 | 2418375 | 1909-03-09 | 221 |
| -93 | 2418597 | 1909-10-17 | 219.75 |
| -84 | 2420578 | 1915-03-21 | 220.23 |
| -82 | 2421013 | 1916-05-29 | 221.02 |
| -80 | 2421463 | 1917-08-22 | 221.2 |
| -79 | 2421669 | 1918-03-16 | 221.81 |
| -72 | 2423237 | 1922-07-01 | 222.41 |
| -71 | 2423456 | 1923-02-05 | 222.3 |
| -70 | 2423691 | 1923-09-28 | 222.81 |
| -69 | 2423913 | 1924-05-07 | 223.65 |
| -68 | 2424128 | 1924-12-08 | 223.5 |
| -67 | 2424350 | 1925-07-18 | 221.93 |
| -66 | 2424575 | 1926-02-28 | 220.94 |
| -65 | 2424804 | 1926-10-15 | 221.63 |
| -64 | 2425018 | 1927-05-17 | 220.56 |
| -62 | 2425458 | 1928-07-30 | 218.75 |
| -61 | 2425681 | 1929-03-10 | 218.57 |
| -60 | 2425906 | 1929-10-21 | 219.44 |
| -59 | 2426101 | 1930-05-04 | 220.54 |
| -58 | 2426324 | 1930-12-13 | 219.79 |
| -57 | 2426552 | 1931-07-29 | 218.6 |
| -56 | 2426781 | 1932-03-14 | 220.59 |
| -55 | 2427003 | 1932-10-22 | 222.22 |
| -54 | 2427213 | 1933-05-20 | 222.52 |
| -52 | 2427653 | 1934-08-03 | 221.9 |
| -50 | 2428104 | 1935-10-28 | 220.71 |
| -49 | 2428321 | 1936-06-01 | 220.63 |
| -47 | 2428783 | 1937-09-06 | 220.57 |
| -46 | 2428988 | 1938-03-30 | 221.74 |
| -44 | 2429431 | 1939-06-16 | 222.58 |
| -43 | 2429639 | 1940-01-10 | 221.1 |
| -42 | 2429859 | 1940-08-17 | 221.75 |
| -41 | 2430111 | 1941-04-26 | 223.15 |
| -39 | 2430543 | 1942-07-02 | 223.14 |
| -37 | 2430983 | 1943-09-15 | 223.24 |
| -36 | 2431223 | 1944-05-12 | 221.92 |
| -34 | 2431659 | 1945-07-22 | 221.2 |
| -31 | 2432320 | 1947-05-14 | 222.09 |
| -29 | 2432759 | 1948-07-26 | 221.18 |
| -28 | 2432981 | 1949-03-05 | 220.1 |
| -27 | 2433203 | 1949-10-13 | 220.66 |
| -26 | 2433431 | 1950-05-29 | 220.73 |
| -25 | 2433641 | 1950-12-25 | 219.93 |
| -24 | 2433863 | 1951-08-04 | 219.21 |
| -23 | 2434088 | 1952-03-16 | 218.36 |
| -22 | 2434302 | 1952-10-16 | 218.57 |
| -21 | 2434517 | 1953-05-19 | 219.57 |
| -20 | 2434736 | 1953-12-24 | 219 |
| -19 | 2434955 | 1954-07-31 | 218.86 |
| -18 | 2435177 | 1955-03-10 | 219.64 |
| -17 | 2435401 | 1955-10-20 | 220.07 |
| -16 | 2435616 | 1956-05-22 | 220.36 |
| -15 | 2435838 | 1956-12-30 | 221.21 |
| -14 | 2436056 | 1957-08-05 | 221.86 |
| -13 | 2436278 | 1958-03-15 | 222 |
| -12 | 2436498 | 1958-10-21 | 222.22 |
| -11 | 2436731 | 1959-06-11 | 222.43 |
| -10 | 2436953 | 1960-01-19 | 222.64 |
| -9 | 2437172 | 1960-08-25 | 222.65 |
| -8 | 2437393 | 1961-04-03 | 222.01 |
| -7 | 2437615 | 1961-11-11 | 221 |
| -6 | 2437836 | 1962-06-20 | 220.78 |
| -5 | 2438057 | 1963-01-27 | 221.43 |
| -4 | 2438280 | 1963-09-07 | 221.93 |
| -3 | 2438498 | 1964-04-12 | 222.36 |
| -2 | 2438718 | 1964-11-18 | 222.78 |
| -1 | 2438947 | 1965-07-05 | 222.36 |
| 0 | 2439168 | 1966-02-11 | 222.71 |
| 1 | 2439396 | 1966-09-27 | 223.28 |
| 2 | 2439616 | 1967-05-05 | 223.28 |
| 3 | 2439834 | 1967-12-09 | 223.14 |
| 4 | 2440062 | 1968-07-24 | 222.28 |
| 5 | 2440280 | 1969-02-27 | 221.86 |
| 6 | 2440511 | 1969-10-16 | 222.21 |
| 7 | 2440728 | 1970-05-21 | 221.36 |
| 8 | 2440948 | 1970-12-27 | 220.15 |
| 9 | 2441170 | 1971-08-06 | 219.51 |
| 10 | 2441391 | 1972-03-14 | 219.78 |
| 11 | 2441604 | 1972-10-13 | 220.36 |
| 12 | 2441820 | 1973-05-17 | 220.08 |
| 13 | 2442044 | 1973-12-27 | 220.64 |
| 14 | 2442272 | 1974-08-12 | 221.36 |
| 15 | 2442489 | 1975-03-17 | 221.86 |
| 16 | 2442710 | 1975-10-24 | 222.21 |
| 17 | 2442940 | 1976-06-10 | 221.86 |
| 18 | 2443154 | 1977-01-10 | 220.93 |
| 19 | 2443376 | 1977-08-20 | 220.5 |
| 20 | 2443599 | 1978-03-31 | 219.93 |
| 21 | 2443823 | 1978-11-10 | 219.86 |
| 22 | 2444031 | 1979-06-06 | 220.36 |
| 23 | 2444255 | 1980-01-16 | 219.64 |
| 24 | 2444474 | 1980-08-22 | 219.36 |
| 25 | 2444698 | 1981-04-03 | 220.78 |
| 26 | 2444917 | 1981-11-08 | 221.64 |
| 27 | 2445133 | 1982-06-12 | 221.78 |
| 28 | 2445360 | 1983-01-25 | 221.86 |
| 29 | 2445585 | 1983-09-07 | 221.21 |
| 30 | 2445804 | 1984-04-13 | 220.71 |
| 31 | 2446030 | 1984-11-25 | 219.93 |
| 32 | 2446248 | 1985-07-01 | 219.07 |
| 33 | 2446464 | 1986-02-02 | 219 |
| 34 | 2446676 | 1986-09-02 | 218.64 |
| 35 | 2446896 | 1987-04-10 | 219.14 |
| 36 | 2447116 | 1987-11-16 | 220.93 |
| 37 | 2447339 | 1988-06-26 | 221.86 |
| 38 | 2447556 | 1989-01-29 | 222.15 |
| 39 | 2447790 | 1989-09-20 | 222.58 |
| 40 | 2448015 | 1990-05-03 | 222.5 |
| 41 | 2448231 | 1990-12-05 | 222.36 |
| 42 | 2448451 | 1991-07-13 | 221.36 |
| 43 | 2448677 | 1992-02-24 | 220.21 |
| 44 | 2448893 | 1992-09-27 | 220.78 |
| 45 | 2449115 | 1993-05-07 | 220.93 |
| 46 | 2449330 | 1993-12-08 | 220.71 |
| 47 | 2449558 | 1994-07-24 | 220.5 |
| 48 | 2449779 | 1995-03-02 | 220.14 |
| 49 | 2449996 | 1995-10-05 | 220.36 |
| 50 | 2450222 | 1996-05-18 | 220.36 |
| 51 | 2450435 | 1996-12-17 | 220.43 |
| 52 | 2450655 | 1997-07-25 | 221.07 |
| 53 | 2450875 | 1998-03-02 | 221 |
| 54 | 2451098 | 1998-10-11 | 221.43 |
| 55 | 2451325 | 1999-05-26 | 222.36 |
| 56 | 2451545 | 2000-01-01 | 223.5 |
| 57 | 2451767 | 2000-08-10 | 224.21 |
| 58 | 2451990 | 2001-03-21 | 223.22 |
| 59 | 2452213 | 2001-10-30 | 223.01 |
| 60 | 2452446 | 2002-06-20 | 223.36 |
| 61 | 2452666 | 2003-01-26 | 223.22 |
| 62 | 2452882 | 2003-08-30 | 222.79 |
| 63 | 2453110 | 2004-04-14 | 220.57 |
| 64 | 2453329 | 2004-11-19 | 219.5 |
| 65 | 2453553 | 2005-07-01 | 220.57 |
| 66 | 2453769 | 2006-02-02 | 220.28 |
| 67 | 2453978 | 2006-08-30 | 218.64 |
| 68 | 2454207 | 2007-04-16 | 217.64 |
| 69 | 2454429 | 2007-11-24 | 218.78 |
| 70 | 2454647 | 2008-06-29 | 220.57 |
| 71 | 2454853 | 2009-01-21 | 220.43 |
| 72 | 2455076 | 2009-09-01 | 219.78 |
| 73 | 2455309 | 2010-04-22 | 219.43 |
| 74 | 2455526 | 2010-11-25 | 220.78 |
| 75 | 2455745 | 2011-07-02 | 222.07 |
| 76 | 2455968 | 2012-02-10 | 220.86 |
| 77 | 2456180 | 2012-09-09 | 220.28 |
| 78 | 2456411 | 2013-04-28 | 220.43 |
| 79 | 2456627 | 2013-11-30 | 220.58 |
| 80 | 2456850 | 2014-07-11 | 221.36 |
| 81 | 2457069 | 2015-02-15 | 221.14 |
| 82 | 2457288 | 2015-09-22 | 220.71 |
| 83 | 2457513 | 2016-05-04 | 220.57 |
| 84 | 2457734 | 2016-12-11 | 220.5 |
| 85 | 2457953 | 2017-07-18 | 220.64 |
| 86 | 2458175 | 2018-02-25 | 220.5 |
| 87 | 2458390 | 2018-09-28 | 220.36 |
| 88 | 2458616 | 2019-05-12 | 219.79 |
| 89 | 2458830 | 2019-12-12 | 219.79 |
| 90 | 2459058 | 2020-07-27 | 220.37 |
| 91 | 2459274 | 2021-02-28 | 220.12 |
| 92 | 2459490 | 2021-10-02 | 220.42 |
| 93 | 2459715 | 2022-05-15 | 221.69 |
| 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. |