| E | O (JD) | O (dat) | Period |
| -126 | 2408541 | 1882-04-05 | 237.76 |
| -115 | 2411145 | 1889-05-22 | 237.74 |
| -113 | 2411634 | 1890-09-23 | 237.79 |
| -104 | 2413767 | 1896-07-26 | 237.68 |
| -103 | 2414006 | 1897-03-22 | 237.94 |
| -101 | 2414481 | 1898-07-10 | 238.14 |
| -98 | 2415196 | 1900-06-25 | 238.09 |
| -95 | 2415907 | 1902-06-06 | 238.15 |
| -94 | 2416152 | 1903-02-06 | 237.32 |
| -92 | 2416629 | 1904-05-28 | 236.5 |
| -91 | 2416867 | 1905-01-21 | 235.96 |
| -89 | 2417336 | 1906-05-05 | 237.05 |
| -87 | 2417796 | 1907-08-08 | 237.05 |
| -86 | 2418030 | 1908-03-29 | 235.73 |
| -84 | 2418500 | 1909-07-12 | 235.77 |
| -83 | 2418774 | 1910-04-12 | 236 |
| -81 | 2419222 | 1911-07-04 | 237 |
| -80 | 2419460 | 1912-02-27 | 237.95 |
| -78 | 2419930 | 1913-06-11 | 236.06 |
| -77 | 2420158 | 1914-01-25 | 234.12 |
| -76 | 2420408 | 1914-10-02 | 236.5 |
| -75 | 2420643 | 1915-05-25 | 239.5 |
| -74 | 2420880 | 1916-01-17 | 239.62 |
| -73 | 2421096 | 1916-08-20 | 239 |
| -72 | 2421370 | 1917-05-21 | 239.69 |
| -70 | 2421852 | 1918-09-15 | 240.56 |
| -69 | 2422070 | 1919-04-21 | 242.25 |
| -68 | 2422320 | 1919-12-27 | 241.5 |
| -67 | 2422566 | 1920-08-29 | 238 |
| -66 | 2422806 | 1921-04-26 | 237.6 |
| -65 | 2423046 | 1921-12-22 | 238.31 |
| -64 | 2423284 | 1922-08-17 | 237.18 |
| -63 | 2423508 | 1923-03-29 | 236.06 |
| -61 | 2423978 | 1924-07-11 | 236 |
| -60 | 2424225 | 1925-03-15 | 235.65 |
| -58 | 2424693 | 1926-06-26 | 235.85 |
| -57 | 2424928 | 1927-02-16 | 237.11 |
| -55 | 2425408 | 1928-06-10 | 237.39 |
| -54 | 2425635 | 1929-01-23 | 237.29 |
| -53 | 2425874 | 1929-09-19 | 237.25 |
| -52 | 2426117 | 1930-05-20 | 237.6 |
| -51 | 2426359 | 1931-01-17 | 239.07 |
| -50 | 2426593 | 1931-09-08 | 239.14 |
| -49 | 2426824 | 1932-04-26 | 237.73 |
| -48 | 2427076 | 1933-01-03 | 236.87 |
| -47 | 2427314 | 1933-08-29 | 236.59 |
| -46 | 2427543 | 1934-04-15 | 237.61 |
| -44 | 2428014 | 1935-07-30 | 237.68 |
| -43 | 2428252 | 1936-03-24 | 237 |
| -41 | 2428722 | 1937-07-07 | 237 |
| -40 | 2428972 | 1938-03-14 | 237.22 |
| -38 | 2429444 | 1939-06-29 | 238 |
| -35 | 2430160 | 1941-06-14 | 238.52 |
| -34 | 2430385 | 1942-01-25 | 238.43 |
| -33 | 2430628 | 1942-09-25 | 238.35 |
| -32 | 2430874 | 1943-05-29 | 238.39 |
| -29 | 2431586 | 1945-05-10 | 238.54 |
| -24 | 2432784 | 1948-08-20 | 238.46 |
| -23 | 2433021 | 1949-04-14 | 237.73 |
| -22 | 2433258 | 1949-12-07 | 237.17 |
| -21 | 2433489 | 1950-07-26 | 236.33 |
| -20 | 2433724 | 1951-03-18 | 235.36 |
| -19 | 2433959 | 1951-11-08 | 235.43 |
| -18 | 2434193 | 1952-06-29 | 236.14 |
| -17 | 2434431 | 1953-02-22 | 236.5 |
| -16 | 2434669 | 1953-10-18 | 236.29 |
| -15 | 2434906 | 1954-06-12 | 237.29 |
| -14 | 2435147 | 1955-02-08 | 238.14 |
| -13 | 2435377 | 1955-09-26 | 237.29 |
| -12 | 2435614 | 1956-05-20 | 236.64 |
| -11 | 2435860 | 1957-01-21 | 236.64 |
| -10 | 2436098 | 1957-09-16 | 236.86 |
| -9 | 2436324 | 1958-04-30 | 237.36 |
| -8 | 2436564 | 1958-12-26 | 237.71 |
| -7 | 2436802 | 1959-08-21 | 238.14 |
| -6 | 2437038 | 1960-04-13 | 239.14 |
| -5 | 2437276 | 1960-12-07 | 239.29 |
| -4 | 2437526 | 1961-08-14 | 239.07 |
| -3 | 2437766 | 1962-04-11 | 239.71 |
| -2 | 2438004 | 1962-12-05 | 240.36 |
| -1 | 2438234 | 1963-07-23 | 240.36 |
| 0 | 2438479 | 1964-03-24 | 239.5 |
| 1 | 2438717 | 1964-11-17 | 239.64 |
| 2 | 2438962 | 1965-07-20 | 240.43 |
| 3 | 2439205 | 1966-03-20 | 240.71 |
| 4 | 2439440 | 1966-11-10 | 240 |
| 5 | 2439685 | 1967-07-13 | 239.43 |
| 6 | 2439919 | 1968-03-03 | 238.86 |
| 7 | 2440164 | 1968-11-03 | 238.64 |
| 8 | 2440392 | 1969-06-19 | 238.14 |
| 9 | 2440639 | 1970-02-21 | 237.21 |
| 10 | 2440872 | 1970-10-12 | 237.21 |
| 11 | 2441114 | 1971-06-11 | 237.36 |
| 12 | 2441345 | 1972-01-28 | 238.14 |
| 13 | 2441580 | 1972-09-19 | 239.64 |
| 14 | 2441824 | 1973-05-21 | 240.14 |
| 15 | 2442055 | 1974-01-07 | 240.36 |
| 16 | 2442310 | 1974-09-19 | 241.79 |
| 17 | 2442556 | 1975-05-23 | 241.71 |
| 18 | 2442792 | 1976-01-14 | 241.21 |
| 19 | 2443032 | 1976-09-10 | 240.79 |
| 20 | 2443278 | 1977-05-14 | 239.14 |
| 21 | 2443510 | 1978-01-01 | 238.21 |
| 22 | 2443746 | 1978-08-25 | 238.29 |
| 23 | 2443990 | 1979-04-26 | 237.64 |
| 24 | 2444224 | 1979-12-16 | 236.93 |
| 25 | 2444459 | 1980-08-07 | 237.36 |
| 26 | 2444701 | 1981-04-06 | 236.93 |
| 27 | 2444936 | 1981-11-27 | 236.86 |
| 28 | 2445169 | 1982-07-18 | 237.07 |
| 29 | 2445410 | 1983-03-16 | 236.36 |
| 30 | 2445643 | 1983-11-04 | 235.93 |
| 31 | 2445887 | 1984-07-05 | 236.36 |
| 32 | 2446115 | 1985-02-18 | 236.21 |
| 33 | 2446354 | 1985-10-15 | 236.5 |
| 34 | 2446586 | 1986-06-04 | 237.07 |
| 35 | 2446828 | 1987-02-01 | 236.43 |
| 36 | 2447058 | 1987-09-19 | 235.57 |
| 37 | 2447306 | 1988-05-24 | 235.21 |
| 38 | 2447543 | 1989-01-16 | 235.5 |
| 39 | 2447769 | 1989-08-30 | 236.57 |
| 40 | 2447998 | 1990-04-16 | 237.14 |
| 41 | 2448235 | 1990-12-09 | 235.93 |
| 42 | 2448476 | 1991-08-07 | 236.07 |
| 43 | 2448722 | 1992-04-09 | 237.43 |
| 44 | 2448962 | 1992-12-05 | 238.5 |
| 45 | 2449190 | 1993-07-21 | 238.93 |
| 46 | 2449427 | 1994-03-15 | 236.93 |
| 47 | 2449664 | 1994-11-07 | 235.64 |
| 48 | 2449908 | 1995-07-09 | 237 |
| 49 | 2450148 | 1996-03-05 | 238.07 |
| 50 | 2450367 | 1996-10-10 | 238.5 |
| 51 | 2450616 | 1997-06-16 | 238.29 |
| 52 | 2450854 | 1998-02-09 | 238.71 |
| 53 | 2451096 | 1998-10-09 | 240.14 |
| 54 | 2451334 | 1999-06-04 | 240.64 |
| 55 | 2451574 | 2000-01-30 | 240.29 |
| 56 | 2451824 | 2000-10-06 | 239.64 |
| 57 | 2452053 | 2001-05-23 | 238.64 |
| 58 | 2452299 | 2002-01-24 | 238 |
| 59 | 2452535 | 2002-09-17 | 237.14 |
| 60 | 2452770 | 2003-05-10 | 235.57 |
| 61 | 2453001 | 2003-12-27 | 234.71 |
| 62 | 2453239 | 2004-08-21 | 235.21 |
| 63 | 2453479 | 2005-04-18 | 235.86 |
| 64 | 2453696 | 2005-11-21 | 237.07 |
| 65 | 2453942 | 2006-07-25 | 238.14 |
| 66 | 2454185 | 2007-03-25 | 237.79 |
| 67 | 2454422 | 2007-11-17 | 238.79 |
| 68 | 2454668 | 2008-07-20 | 240 |
| 69 | 2454906 | 2009-03-15 | 238.64 |
| 70 | 2455141 | 2009-11-05 | 237.71 |
| 71 | 2455377 | 2010-06-29 | 237.71 |
| 72 | 2455621 | 2011-02-28 | 237.29 |
| 73 | 2455847 | 2011-10-12 | 237.21 |
| 74 | 2456088 | 2012-06-09 | 237.43 |
| 75 | 2456330 | 2013-02-06 | 236.79 |
| 76 | 2456566 | 2013-09-30 | 237.36 |
| 77 | 2456802 | 2014-05-24 | 238.57 |
| 78 | 2457040 | 2015-01-17 | 237.14 |
| 79 | 2457273 | 2015-09-07 | 236.36 |
| 80 | 2457518 | 2016-05-09 | 237.4 |
| 81 | 2457757 | 2017-01-03 | 237.75 |
| 82 | 2457981 | 2017-08-15 | 237.88 |
| 83 | 2458224 | 2018-04-15 | 237.83 |
| 85 | 2458705 | 2019-08-09 | 237 |
| 86 | 2458941 | 2020-04-01 | 237.46 |
| 88 | 2459416 | 2021-07-20 | 238.84 |
| 89 | 2459656 | 2022-03-17 | 237.65 |
| 90 | 2459885 | 2022-11-01 | 236.77 |
| 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. |