| E | O (JD) | O (dat) | Period |
| -101 | 2413776 | 1896-08-04 | 253.74 |
| -100 | 2414041 | 1897-04-26 | 253.38 |
| -97 | 2414799 | 1899-05-24 | 253.52 |
| -94 | 2415556 | 1901-06-20 | 253.49 |
| -93 | 2415810 | 1902-03-01 | 253.4 |
| -91 | 2416320 | 1903-07-24 | 253.46 |
| -90 | 2416565 | 1904-03-25 | 253.12 |
| -89 | 2416827 | 1904-12-12 | 253.55 |
| -88 | 2417077 | 1905-08-19 | 254.23 |
| -87 | 2417328 | 1906-04-27 | 254.25 |
| -86 | 2417586 | 1907-01-10 | 253.8 |
| -85 | 2417836 | 1907-09-17 | 254.05 |
| -84 | 2418099 | 1908-06-06 | 253.5 |
| -83 | 2418358 | 1909-02-20 | 253.33 |
| -82 | 2418602 | 1909-10-22 | 253.08 |
| -81 | 2418845 | 1910-06-22 | 252.65 |
| -79 | 2419364 | 1911-11-23 | 252.32 |
| -78 | 2419610 | 1912-07-26 | 252.09 |
| -77 | 2419862 | 1913-04-04 | 251.65 |
| -76 | 2420116 | 1913-12-14 | 251.54 |
| -75 | 2420367 | 1914-08-22 | 251.08 |
| -74 | 2420617 | 1915-04-29 | 249.38 |
| -73 | 2420876 | 1916-01-13 | 249.12 |
| -72 | 2421112 | 1916-09-05 | 249.08 |
| -71 | 2421362 | 1917-05-13 | 249.48 |
| -70 | 2421612 | 1918-01-18 | 249.67 |
| -68 | 2422100 | 1919-05-21 | 249.75 |
| -67 | 2422356 | 1920-02-01 | 249.66 |
| -65 | 2422862 | 1921-06-21 | 250.01 |
| -64 | 2423122 | 1922-03-08 | 249.96 |
| -62 | 2423615 | 1923-07-14 | 249.91 |
| -61 | 2423862 | 1924-03-17 | 249.97 |
| -60 | 2424106 | 1924-11-16 | 249.81 |
| -59 | 2424357 | 1925-07-25 | 249.94 |
| -58 | 2424607 | 1926-04-01 | 250.42 |
| -57 | 2424856 | 1926-12-06 | 251.76 |
| -56 | 2425108 | 1927-08-15 | 252.4 |
| -55 | 2425368 | 1928-05-01 | 252.76 |
| -54 | 2425622 | 1929-01-10 | 253.16 |
| -53 | 2425874 | 1929-09-19 | 253.05 |
| -52 | 2426130 | 1930-06-02 | 252.58 |
| -51 | 2426377 | 1931-02-04 | 252.22 |
| -50 | 2426627 | 1931-10-12 | 252.09 |
| -49 | 2426888 | 1932-06-29 | 251.48 |
| -48 | 2427132 | 1933-02-28 | 250.97 |
| -47 | 2427379 | 1933-11-02 | 250.99 |
| -46 | 2427637 | 1934-07-18 | 250.85 |
| -45 | 2427896 | 1935-04-03 | 251.01 |
| -44 | 2428131 | 1935-11-24 | 250.54 |
| -43 | 2428381 | 1936-07-31 | 250.58 |
| -42 | 2428642 | 1937-04-18 | 250.82 |
| -41 | 2428885 | 1937-12-17 | 250.98 |
| -40 | 2429146 | 1938-09-04 | 250.74 |
| -39 | 2429386 | 1939-05-02 | 251.29 |
| -38 | 2429636 | 1940-01-07 | 251.07 |
| -36 | 2430147 | 1941-06-01 | 251.08 |
| -35 | 2430402 | 1942-02-11 | 251.29 |
| -33 | 2430890 | 1943-06-14 | 251.5 |
| -32 | 2431150 | 1944-02-29 | 252.24 |
| -30 | 2431648 | 1945-07-11 | 251.88 |
| -29 | 2431906 | 1946-03-26 | 251.66 |
| -27 | 2432406 | 1947-08-08 | 251.78 |
| -26 | 2432666 | 1948-04-24 | 251.77 |
| -25 | 2432927 | 1949-01-10 | 250.95 |
| -24 | 2433155 | 1949-08-26 | 250.39 |
| -23 | 2433414 | 1950-05-12 | 249.53 |
| -22 | 2433667 | 1951-01-20 | 248.9 |
| -21 | 2433908 | 1951-09-18 | 248.78 |
| -20 | 2434156 | 1952-05-23 | 249.19 |
| -19 | 2434406 | 1953-01-28 | 250.35 |
| -18 | 2434655 | 1953-10-04 | 250.73 |
| -17 | 2434904 | 1954-06-10 | 251.51 |
| -16 | 2435163 | 1955-02-24 | 252.62 |
| -15 | 2435414 | 1955-11-02 | 253.28 |
| -14 | 2435667 | 1956-07-12 | 253.54 |
| -13 | 2435924 | 1957-03-26 | 253.75 |
| -12 | 2436176 | 1957-12-03 | 253.56 |
| -11 | 2436432 | 1958-08-16 | 253.42 |
| -10 | 2436686 | 1959-04-27 | 253.45 |
| -9 | 2436935 | 1960-01-01 | 252.12 |
| -8 | 2437190 | 1960-09-12 | 251.47 |
| -7 | 2437439 | 1961-05-19 | 251.27 |
| -6 | 2437698 | 1962-02-02 | 250.44 |
| -5 | 2437950 | 1962-10-12 | 250.22 |
| -4 | 2438176 | 1963-05-26 | 249.99 |
| -3 | 2438440 | 1964-02-14 | 249.91 |
| -2 | 2438696 | 1964-10-27 | 250.11 |
| -1 | 2438934 | 1965-06-22 | 250.2 |
| 0 | 2439192 | 1966-03-07 | 250.81 |
| 1 | 2439439 | 1966-11-09 | 251.3 |
| 2 | 2439694 | 1967-07-22 | 250.95 |
| 3 | 2439946 | 1968-03-30 | 251.05 |
| 4 | 2440196 | 1968-12-05 | 251.19 |
| 5 | 2440448 | 1969-08-14 | 250.68 |
| 6 | 2440693 | 1970-04-16 | 250.36 |
| 7 | 2440952 | 1970-12-31 | 250.28 |
| 8 | 2441200 | 1971-09-05 | 249.76 |
| 9 | 2441446 | 1972-05-08 | 250.04 |
| 10 | 2441696 | 1973-01-13 | 250.06 |
| 11 | 2441943 | 1973-09-17 | 250.35 |
| 12 | 2442202 | 1974-06-03 | 250.33 |
| 13 | 2442439 | 1975-01-26 | 250.7 |
| 14 | 2442703 | 1975-10-17 | 250.91 |
| 15 | 2442949 | 1976-06-19 | 251.15 |
| 16 | 2443203 | 1977-02-28 | 251.38 |
| 17 | 2443453 | 1977-11-05 | 251.41 |
| 18 | 2443703 | 1978-07-13 | 251.62 |
| 19 | 2443952 | 1979-03-19 | 251.33 |
| 20 | 2444208 | 1979-11-30 | 251.84 |
| 21 | 2444460 | 1980-08-08 | 252.33 |
| 22 | 2444712 | 1981-04-17 | 252.85 |
| 23 | 2444959 | 1981-12-20 | 253.35 |
| 24 | 2445215 | 1982-09-02 | 253.83 |
| 25 | 2445471 | 1983-05-16 | 254.12 |
| 26 | 2445729 | 1984-01-29 | 254.78 |
| 27 | 2445981 | 1984-10-07 | 255.02 |
| 28 | 2446236 | 1985-06-19 | 255.41 |
| 29 | 2446492 | 1986-03-02 | 255.29 |
| 30 | 2446747 | 1986-11-12 | 255.05 |
| 31 | 2447007 | 1987-07-30 | 254.87 |
| 32 | 2447255 | 1988-04-03 | 254.77 |
| 33 | 2447515 | 1988-12-19 | 254.25 |
| 34 | 2447768 | 1989-08-29 | 253.31 |
| 35 | 2448020 | 1990-05-08 | 252.98 |
| 36 | 2448275 | 1991-01-18 | 252.37 |
| 37 | 2448528 | 1991-09-28 | 251.93 |
| 38 | 2448776 | 1992-06-02 | 251.01 |
| 39 | 2449020 | 1993-02-01 | 250.38 |
| 40 | 2449283 | 1993-10-22 | 250.09 |
| 41 | 2449529 | 1994-06-25 | 250.02 |
| 42 | 2449777 | 1995-02-28 | 250.22 |
| 43 | 2450023 | 1995-11-01 | 250.47 |
| 44 | 2450271 | 1996-07-06 | 250.55 |
| 45 | 2450526 | 1997-03-18 | 250.53 |
| 46 | 2450780 | 1997-11-27 | 251.16 |
| 47 | 2451032 | 1998-08-06 | 251.81 |
| 48 | 2451281 | 1999-04-12 | 252.3 |
| 49 | 2451530 | 1999-12-17 | 252.22 |
| 50 | 2451786 | 2000-08-29 | 252.22 |
| 51 | 2452038 | 2001-05-08 | 252.36 |
| 52 | 2452294 | 2002-01-19 | 252.57 |
| 53 | 2452546 | 2002-09-28 | 252.39 |
| 54 | 2452792 | 2003-06-01 | 252 |
| 55 | 2453050 | 2004-02-14 | 251.44 |
| 56 | 2453303 | 2004-10-24 | 251.2 |
| 57 | 2453555 | 2005-07-03 | 251.32 |
| 58 | 2453799 | 2006-03-04 | 250.76 |
| 59 | 2454049 | 2006-11-09 | 250.44 |
| 60 | 2454300 | 2007-07-18 | 250.68 |
| 61 | 2454554 | 2008-03-28 | 250.41 |
| 62 | 2454813 | 2008-12-12 | 250.29 |
| 63 | 2455046 | 2009-08-02 | 250.44 |
| 64 | 2455299 | 2010-04-12 | 250.22 |
| 65 | 2455567 | 2011-01-05 | 250.1 |
| 66 | 2455801 | 2011-08-27 | 249.47 |
| 67 | 2456051 | 2012-05-03 | 248.97 |
| 68 | 2456304 | 2013-01-11 | 249.12 |
| 69 | 2456553 | 2013-09-17 | 248.88 |
| 70 | 2456806 | 2014-05-28 | 248.95 |
| 71 | 2457045 | 2015-01-22 | 249.8 |
| 72 | 2457292 | 2015-09-26 | 249.87 |
| 73 | 2457543 | 2016-06-03 | 250.49 |
| 74 | 2457801 | 2017-02-16 | 250.44 |
| 75 | 2458055 | 2017-10-28 | 250.44 |
| 76 | 2458302 | 2018-07-02 | 250.96 |
| 77 | 2458551 | 2019-03-08 | 250.67 |
| 78 | 2458813 | 2019-11-25 | 250.32 |
| 79 | 2459047 | 2020-07-16 | 249.73 |
| 80 | 2459298 | 2021-03-24 | 249.46 |
| 81 | 2459555 | 2021-12-06 | 249.54 |
| 82 | 2459800 | 2022-08-08 | 249.2 |
| 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. |