| E | O (JD) | O (dat) | Period |
| -181 | 2411253 | 1889-09-07 | 223.28 |
| -173 | 2413053 | 1894-08-12 | 223.82 |
| -170 | 2413710 | 1896-05-30 | 223.99 |
| -168 | 2414155 | 1897-08-18 | 223.52 |
| -165 | 2414829 | 1899-06-23 | 223.62 |
| -162 | 2415509 | 1901-05-04 | 224.93 |
| -160 | 2415950 | 1902-07-19 | 226.27 |
| -159 | 2416170 | 1903-02-24 | 226.27 |
| -158 | 2416410 | 1903-10-22 | 226.08 |
| -157 | 2416651 | 1904-06-19 | 226.13 |
| -155 | 2417097 | 1905-09-08 | 226.96 |
| -152 | 2417770 | 1907-07-13 | 226.15 |
| -150 | 2418220 | 1908-10-05 | 224.45 |
| -149 | 2418440 | 1909-05-13 | 224.26 |
| -147 | 2418900 | 1910-08-16 | 224.77 |
| -144 | 2419560 | 1912-06-06 | 225.34 |
| -142 | 2420010 | 1913-08-30 | 225.83 |
| -139 | 2420690 | 1915-07-11 | 225.45 |
| -137 | 2421145 | 1916-10-08 | 225.21 |
| -136 | 2421380 | 1917-05-31 | 225.48 |
| -134 | 2421829 | 1918-08-23 | 225.54 |
| -129 | 2422951 | 1921-09-18 | 225.44 |
| -128 | 2423166 | 1922-04-21 | 224.62 |
| -127 | 2423394 | 1922-12-05 | 224.26 |
| -126 | 2423621 | 1923-07-20 | 224.95 |
| -125 | 2423850 | 1924-03-05 | 226.5 |
| -124 | 2424066 | 1924-10-07 | 226.88 |
| -123 | 2424301 | 1925-05-30 | 226 |
| -121 | 2424753 | 1926-08-25 | 226.19 |
| -120 | 2424988 | 1927-04-17 | 226.94 |
| -119 | 2425202 | 1927-11-17 | 226.69 |
| -118 | 2425429 | 1928-07-01 | 225.8 |
| -117 | 2425661 | 1929-02-18 | 224.79 |
| -116 | 2425886 | 1929-10-01 | 224.64 |
| -115 | 2426108 | 1930-05-11 | 225.5 |
| -114 | 2426333 | 1930-12-22 | 225 |
| -113 | 2426555 | 1931-08-01 | 224 |
| -112 | 2426780 | 1932-03-13 | 223.71 |
| -111 | 2427008 | 1932-10-27 | 223.86 |
| -110 | 2427232 | 1933-06-08 | 224 |
| -109 | 2427451 | 1934-01-13 | 223.71 |
| -108 | 2427675 | 1934-08-25 | 223.21 |
| -107 | 2427900 | 1935-04-07 | 223.07 |
| -106 | 2428124 | 1935-11-17 | 223.57 |
| -105 | 2428343 | 1936-06-23 | 224.14 |
| -104 | 2428570 | 1937-02-05 | 223.86 |
| -103 | 2428793 | 1937-09-16 | 223.43 |
| -102 | 2429020 | 1938-05-01 | 223.36 |
| -101 | 2429244 | 1938-12-11 | 223.14 |
| -100 | 2429465 | 1939-07-20 | 223.5 |
| -99 | 2429687 | 1940-02-27 | 223.86 |
| -98 | 2429907 | 1940-10-04 | 223.86 |
| -97 | 2430130 | 1941-05-15 | 224.43 |
| -96 | 2430362 | 1942-01-02 | 224.86 |
| -95 | 2430585 | 1942-08-13 | 225.43 |
| -94 | 2430813 | 1943-03-29 | 225.86 |
| -93 | 2431038 | 1943-11-09 | 225.29 |
| -92 | 2431262 | 1944-06-20 | 224 |
| -91 | 2431488 | 1945-02-01 | 223.43 |
| -90 | 2431711 | 1945-09-12 | 223.86 |
| -89 | 2431935 | 1946-04-24 | 223.57 |
| -88 | 2432148 | 1946-11-23 | 223.64 |
| -87 | 2432378 | 1947-07-11 | 224.36 |
| -86 | 2432607 | 1948-02-25 | 224.36 |
| -85 | 2432823 | 1948-09-28 | 225.07 |
| -84 | 2433058 | 1949-05-21 | 225.64 |
| -83 | 2433282 | 1949-12-31 | 225.57 |
| -82 | 2433505 | 1950-08-11 | 226.64 |
| -81 | 2433729 | 1951-03-23 | 226.5 |
| -80 | 2433956 | 1951-11-05 | 225.21 |
| -79 | 2434187 | 1952-06-23 | 225.29 |
| -78 | 2434416 | 1953-02-07 | 226.14 |
| -77 | 2434636 | 1953-09-15 | 225.86 |
| -76 | 2434857 | 1954-04-24 | 224.36 |
| -75 | 2435084 | 1954-12-07 | 223.14 |
| -74 | 2435316 | 1955-07-27 | 223.5 |
| -73 | 2435531 | 1956-02-27 | 225.29 |
| -72 | 2435753 | 1956-10-06 | 224.93 |
| -71 | 2435974 | 1957-05-15 | 224.43 |
| -70 | 2436207 | 1958-01-03 | 225.43 |
| -69 | 2436440 | 1958-08-24 | 225.79 |
| -68 | 2436650 | 1959-03-22 | 226.71 |
| -67 | 2436892 | 1959-11-19 | 227.5 |
| -66 | 2437111 | 1960-06-25 | 226.79 |
| -65 | 2437334 | 1961-02-03 | 227.36 |
| -64 | 2437567 | 1961-09-24 | 227.71 |
| -63 | 2437799 | 1962-05-14 | 226.93 |
| -62 | 2438023 | 1962-12-24 | 227.71 |
| -61 | 2438250 | 1963-08-08 | 227.64 |
| -60 | 2438480 | 1964-03-25 | 227.21 |
| -59 | 2438700 | 1964-10-31 | 227.57 |
| -58 | 2438933 | 1965-06-21 | 227.07 |
| -57 | 2439155 | 1966-01-29 | 226.64 |
| -56 | 2439392 | 1966-09-23 | 227.5 |
| -55 | 2439616 | 1967-05-05 | 227.36 |
| -54 | 2439836 | 1967-12-11 | 226.79 |
| -53 | 2440067 | 1968-07-29 | 227 |
| -52 | 2440298 | 1969-03-17 | 226.86 |
| -51 | 2440518 | 1969-10-23 | 227 |
| -50 | 2440745 | 1970-06-07 | 227.07 |
| -49 | 2440980 | 1971-01-28 | 226.93 |
| -48 | 2441204 | 1971-09-09 | 227 |
| -47 | 2441426 | 1972-04-18 | 227.21 |
| -46 | 2441656 | 1972-12-04 | 226.86 |
| -45 | 2441886 | 1973-07-22 | 226.29 |
| -44 | 2442108 | 1974-03-01 | 226.14 |
| -43 | 2442336 | 1974-10-15 | 225.79 |
| -42 | 2442565 | 1975-06-01 | 225.21 |
| -41 | 2442787 | 1976-01-09 | 225 |
| -40 | 2443009 | 1976-08-18 | 224.29 |
| -39 | 2443234 | 1977-03-31 | 223.21 |
| -38 | 2443461 | 1977-11-13 | 223.14 |
| -37 | 2443683 | 1978-06-23 | 223.5 |
| -36 | 2443901 | 1979-01-27 | 223.64 |
| -35 | 2444125 | 1979-09-08 | 223.86 |
| -34 | 2444351 | 1980-04-21 | 223.93 |
| -33 | 2444574 | 1980-11-30 | 224.64 |
| -32 | 2444800 | 1981-07-14 | 225.21 |
| -31 | 2445029 | 1982-02-28 | 224.79 |
| -30 | 2445250 | 1982-10-07 | 224.71 |
| -29 | 2445479 | 1983-05-24 | 223.71 |
| -28 | 2445700 | 1983-12-31 | 222.43 |
| -27 | 2445923 | 1984-08-10 | 222.57 |
| -26 | 2446148 | 1985-03-23 | 222.71 |
| -25 | 2446358 | 1985-10-19 | 222.14 |
| -24 | 2446585 | 1986-06-03 | 222.14 |
| -23 | 2446810 | 1987-01-14 | 223 |
| -22 | 2447037 | 1987-08-29 | 224.5 |
| -21 | 2447252 | 1988-03-31 | 225 |
| -20 | 2447481 | 1988-11-15 | 224.21 |
| -19 | 2447712 | 1989-07-04 | 224 |
| -18 | 2447937 | 1990-02-14 | 224.71 |
| -17 | 2448156 | 1990-09-21 | 225.07 |
| -16 | 2448378 | 1991-05-01 | 223.93 |
| -15 | 2448605 | 1991-12-14 | 223.36 |
| -14 | 2448830 | 1992-07-26 | 223 |
| -13 | 2449054 | 1993-03-07 | 222.64 |
| -12 | 2449274 | 1993-10-13 | 223.79 |
| -11 | 2449502 | 1994-05-29 | 224.71 |
| -10 | 2449713 | 1994-12-26 | 224.29 |
| -9 | 2449938 | 1995-08-08 | 224.36 |
| -8 | 2450178 | 1996-04-04 | 224.57 |
| -7 | 2450403 | 1996-11-15 | 225.14 |
| -6 | 2450621 | 1997-06-21 | 226.36 |
| -5 | 2450848 | 1998-02-03 | 225.79 |
| -4 | 2451072 | 1998-09-15 | 224.5 |
| -3 | 2451295 | 1999-04-26 | 224.86 |
| -2 | 2451525 | 1999-12-12 | 225.29 |
| -1 | 2451752 | 2000-07-26 | 224.79 |
| 0 | 2451972 | 2001-03-03 | 225.29 |
| 1 | 2452200 | 2001-10-17 | 225.64 |
| 2 | 2452423 | 2002-05-28 | 225.29 |
| 3 | 2452644 | 2003-01-04 | 225.29 |
| 4 | 2452877 | 2003-08-25 | 225.43 |
| 5 | 2453102 | 2004-04-06 | 225.43 |
| 6 | 2453329 | 2004-11-19 | 225.71 |
| 7 | 2453549 | 2005-06-27 | 225.64 |
| 8 | 2453779 | 2006-02-12 | 224.5 |
| 9 | 2454000 | 2006-09-21 | 224.07 |
| 10 | 2454227 | 2007-05-06 | 224.86 |
| 11 | 2454453 | 2007-12-18 | 225.36 |
| 12 | 2454669 | 2008-07-21 | 225.14 |
| 13 | 2454899 | 2009-03-08 | 225.29 |
| 14 | 2455127 | 2009-10-22 | 225.43 |
| 15 | 2455356 | 2010-06-08 | 225.43 |
| 16 | 2455575 | 2011-01-13 | 225.86 |
| 17 | 2455806 | 2011-09-01 | 226.14 |
| 18 | 2456030 | 2012-04-12 | 225.07 |
| 19 | 2456248 | 2012-11-16 | 224.79 |
| 20 | 2456482 | 2013-07-08 | 225.29 |
| 21 | 2456710 | 2014-02-21 | 225.21 |
| 22 | 2456924 | 2014-09-23 | 226.5 |
| 23 | 2457154 | 2015-05-11 | 227.93 |
| 24 | 2457381 | 2015-12-24 | 227.5 |
| 25 | 2457608 | 2016-08-07 | 227 |
| 26 | 2457841 | 2017-03-28 | 226.93 |
| 27 | 2458080 | 2017-11-22 | 226.57 |
| 28 | 2458297 | 2018-06-27 | 227 |
| 29 | 2458515 | 2019-01-31 | 226.43 |
| 30 | 2458740 | 2019-09-13 | 224.64 |
| 31 | 2458967 | 2020-04-27 | 223.94 |
| 32 | 2459200 | 2020-12-16 | 225.31 |
| 33 | 2459419 | 2021-07-23 | 226.92 |
| 34 | 2459647 | 2022-03-08 | 227.3 |
| 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. |