| E | O (JD) | O (dat) | Period |
| -108 | 2414780 | 1899-05-05 | 240.57 |
| -107 | 2415030 | 1900-01-10 | 239.87 |
| -106 | 2415263 | 1900-08-31 | 240.54 |
| -105 | 2415499 | 1901-04-24 | 242.76 |
| -103 | 2415985 | 1902-08-23 | 242.43 |
| -102 | 2416220 | 1903-04-15 | 242.29 |
| -100 | 2416712 | 1904-08-19 | 242.71 |
| -99 | 2416970 | 1905-05-04 | 242.67 |
| -95 | 2417931 | 1907-12-21 | 243.04 |
| -94 | 2418177 | 1908-08-23 | 242.83 |
| -93 | 2418410 | 1909-04-13 | 241.46 |
| -91 | 2418898 | 1910-08-14 | 240.96 |
| -90 | 2419140 | 1911-04-13 | 241.39 |
| -88 | 2419620 | 1912-08-05 | 241.31 |
| -85 | 2420340 | 1914-07-26 | 241.07 |
| -84 | 2420585 | 1915-03-28 | 240.86 |
| -82 | 2421075 | 1916-07-30 | 240.9 |
| -79 | 2421786 | 1918-07-11 | 241.15 |
| -78 | 2422031 | 1919-03-13 | 241.42 |
| -75 | 2422751 | 1921-03-02 | 241.22 |
| -74 | 2422995 | 1921-11-01 | 241.3 |
| -73 | 2423235 | 1922-06-29 | 242 |
| -72 | 2423484 | 1923-03-05 | 242.69 |
| -71 | 2423724 | 1923-10-31 | 242.71 |
| -70 | 2423963 | 1924-06-26 | 242.93 |
| -69 | 2424210 | 1925-02-28 | 243.29 |
| -68 | 2424455 | 1925-10-31 | 242.5 |
| -67 | 2424689 | 1926-06-22 | 242.79 |
| -66 | 2424942 | 1927-03-02 | 242.93 |
| -65 | 2425183 | 1927-10-29 | 242.5 |
| -64 | 2425420 | 1928-06-22 | 242.86 |
| -63 | 2425666 | 1929-02-23 | 242.43 |
| -62 | 2425908 | 1929-10-23 | 241.43 |
| -61 | 2426152 | 1930-06-24 | 242 |
| -60 | 2426392 | 1931-02-19 | 242.29 |
| -59 | 2426633 | 1931-10-18 | 241.86 |
| -58 | 2426872 | 1932-06-13 | 242.57 |
| -57 | 2427119 | 1933-02-15 | 242.71 |
| -56 | 2427359 | 1933-10-13 | 242.71 |
| -55 | 2427601 | 1934-06-12 | 243.43 |
| -54 | 2427855 | 1935-02-21 | 243.43 |
| -53 | 2428087 | 1935-10-11 | 243.07 |
| -52 | 2428336 | 1936-06-16 | 243.36 |
| -51 | 2428577 | 1937-02-12 | 243.71 |
| -50 | 2428822 | 1937-10-15 | 244.5 |
| -49 | 2429059 | 1938-06-09 | 245.29 |
| -48 | 2429308 | 1939-02-13 | 245.36 |
| -47 | 2429560 | 1939-10-23 | 245.5 |
| -46 | 2429805 | 1940-06-24 | 245.86 |
| -45 | 2430052 | 1941-02-26 | 245 |
| -44 | 2430296 | 1941-10-28 | 244.43 |
| -43 | 2430540 | 1942-06-29 | 244.79 |
| -42 | 2430783 | 1943-02-27 | 244.43 |
| -41 | 2431014 | 1943-10-16 | 244.64 |
| -40 | 2431276 | 1944-07-04 | 244.5 |
| -39 | 2431516 | 1945-03-01 | 244.21 |
| -38 | 2431763 | 1945-11-03 | 245.71 |
| -37 | 2432010 | 1946-07-08 | 245.5 |
| -36 | 2432249 | 1947-03-04 | 243.57 |
| -35 | 2432493 | 1947-11-03 | 243.36 |
| -34 | 2432744 | 1948-07-11 | 243.57 |
| -33 | 2432983 | 1949-03-07 | 243.93 |
| -32 | 2433219 | 1949-10-29 | 244.21 |
| -31 | 2433467 | 1950-07-04 | 243.71 |
| -30 | 2433716 | 1951-03-10 | 243.5 |
| -29 | 2433958 | 1951-11-07 | 244.79 |
| -28 | 2434203 | 1952-07-09 | 245.43 |
| -27 | 2434446 | 1953-03-09 | 244.36 |
| -26 | 2434690 | 1953-11-08 | 242.86 |
| -25 | 2434939 | 1954-07-15 | 243.14 |
| -24 | 2435183 | 1955-03-16 | 244.21 |
| -23 | 2435421 | 1955-11-09 | 243.14 |
| -22 | 2435653 | 1956-06-28 | 241.5 |
| -21 | 2435912 | 1957-03-14 | 241 |
| -20 | 2436156 | 1957-11-13 | 241.14 |
| -19 | 2436384 | 1958-06-29 | 241.71 |
| -18 | 2436626 | 1959-02-26 | 240.86 |
| -17 | 2436870 | 1959-10-28 | 238.79 |
| -16 | 2437110 | 1960-06-24 | 239.86 |
| -15 | 2437348 | 1961-02-17 | 241.5 |
| -14 | 2437589 | 1961-10-16 | 241.14 |
| -13 | 2437822 | 1962-06-06 | 240.93 |
| -12 | 2438076 | 1963-02-15 | 240.79 |
| -11 | 2438315 | 1963-10-12 | 241.5 |
| -10 | 2438557 | 1964-06-10 | 242.79 |
| -9 | 2438796 | 1965-02-04 | 241.79 |
| -8 | 2439033 | 1965-09-29 | 240.29 |
| -7 | 2439285 | 1966-06-08 | 240.57 |
| -6 | 2439525 | 1967-02-03 | 241.14 |
| -5 | 2439758 | 1967-09-24 | 242.71 |
| -4 | 2439997 | 1968-05-20 | 243.29 |
| -3 | 2440243 | 1969-01-21 | 242.57 |
| -2 | 2440486 | 1969-09-21 | 244 |
| -1 | 2440741 | 1970-06-03 | 245.21 |
| 0 | 2440983 | 1971-01-31 | 244.71 |
| 1 | 2441223 | 1971-09-28 | 244.36 |
| 2 | 2441476 | 1972-06-07 | 243.57 |
| 3 | 2441712 | 1973-01-29 | 243.14 |
| 4 | 2441954 | 1973-09-28 | 243.71 |
| 5 | 2442196 | 1974-05-28 | 243.43 |
| 6 | 2442441 | 1975-01-28 | 243.21 |
| 7 | 2442687 | 1975-10-01 | 243.93 |
| 8 | 2442931 | 1976-06-01 | 244.5 |
| 9 | 2443176 | 1977-02-01 | 244.29 |
| 10 | 2443417 | 1977-09-30 | 243.21 |
| 11 | 2443664 | 1978-06-04 | 243.14 |
| 12 | 2443909 | 1979-02-04 | 243.71 |
| 13 | 2444148 | 1979-10-01 | 243.21 |
| 14 | 2444385 | 1980-05-25 | 242.5 |
| 15 | 2444637 | 1981-02-01 | 242.21 |
| 16 | 2444882 | 1981-10-04 | 242.43 |
| 17 | 2445116 | 1982-05-26 | 242.71 |
| 18 | 2445360 | 1983-01-25 | 242.71 |
| 19 | 2445604 | 1983-09-26 | 241.79 |
| 20 | 2445847 | 1984-05-26 | 241.64 |
| 21 | 2446084 | 1985-01-18 | 242.29 |
| 22 | 2446336 | 1985-09-27 | 241.43 |
| 23 | 2446568 | 1986-05-17 | 241.43 |
| 24 | 2446813 | 1987-01-17 | 241.79 |
| 25 | 2447055 | 1987-09-16 | 240.79 |
| 26 | 2447289 | 1988-05-07 | 241 |
| 27 | 2447542 | 1989-01-15 | 240.93 |
| 28 | 2447774 | 1989-09-04 | 239.79 |
| 29 | 2448017 | 1990-05-05 | 240.5 |
| 30 | 2448261 | 1991-01-04 | 240.07 |
| 31 | 2448493 | 1991-08-24 | 239.14 |
| 32 | 2448732 | 1992-04-19 | 239.36 |
| 33 | 2448979 | 1992-12-22 | 239 |
| 34 | 2449213 | 1993-08-13 | 239.5 |
| 35 | 2449451 | 1994-04-08 | 240.86 |
| 36 | 2449691 | 1994-12-04 | 240.71 |
| 37 | 2449933 | 1995-08-03 | 240.93 |
| 38 | 2450174 | 1996-03-31 | 242.29 |
| 39 | 2450423 | 1996-12-05 | 242.79 |
| 40 | 2450658 | 1997-07-28 | 243.5 |
| 41 | 2450907 | 1998-04-03 | 244 |
| 42 | 2451149 | 1998-12-01 | 243.21 |
| 43 | 2451392 | 1999-08-01 | 243.07 |
| 44 | 2451641 | 2000-04-06 | 243.71 |
| 45 | 2451882 | 2000-12-03 | 244.14 |
| 46 | 2452120 | 2001-07-29 | 244.57 |
| 47 | 2452364 | 2002-03-30 | 243.86 |
| 48 | 2452613 | 2002-12-04 | 243.43 |
| 49 | 2452861 | 2003-08-09 | 244.79 |
| 50 | 2453104 | 2004-04-08 | 245.36 |
| 51 | 2453343 | 2004-12-03 | 244.29 |
| 52 | 2453588 | 2005-08-05 | 243.57 |
| 53 | 2453841 | 2006-04-15 | 242.93 |
| 54 | 2454078 | 2006-12-08 | 244.36 |
| 55 | 2454319 | 2007-08-06 | 245.14 |
| 56 | 2454565 | 2008-04-08 | 243.57 |
| 57 | 2454801 | 2008-11-30 | 243.71 |
| 58 | 2455067 | 2009-08-23 | 244.21 |
| 59 | 2455296 | 2010-04-09 | 244.71 |
| 60 | 2455543 | 2010-12-12 | 244.93 |
| 61 | 2455788 | 2011-08-14 | 243.21 |
| 62 | 2456028 | 2012-04-10 | 242.86 |
| 63 | 2456282 | 2012-12-20 | 243.5 |
| 64 | 2456513 | 2013-08-08 | 242.21 |
| 65 | 2456760 | 2014-04-12 | 241.79 |
| 66 | 2457003 | 2014-12-11 | 240.93 |
| 67 | 2457245 | 2015-08-10 | 240.57 |
| 68 | 2457477 | 2016-03-29 | 240.71 |
| 69 | 2457724 | 2016-12-01 | 238.71 |
| 70 | 2457959 | 2017-07-24 | 237.93 |
| 71 | 2458204 | 2018-03-26 | 239.29 |
| 72 | 2458439 | 2018-11-16 | 239.43 |
| 73 | 2458666 | 2019-07-01 | 239.57 |
| 74 | 2458913 | 2020-03-04 | 240.93 |
| 75 | 2459159 | 2020-11-05 | 240.76 |
| 76 | 2459394 | 2021-06-28 | 242.26 |
| 77 | 2459643 | 2022-03-04 | 244.25 |
| 78 | 2459893 | 2022-11-09 | 243.7 |
| 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. |