| E | O (JD) | O (dat) | Period |
| -126 | 2403077 | 1867-04-20 | 316.36 |
| -121 | 2404626 | 1871-07-17 | 312.9 |
| -120 | 2404955 | 1872-06-10 | 311.31 |
| -119 | 2405261 | 1873-04-12 | 311.75 |
| -118 | 2405587 | 1874-03-04 | 312.34 |
| -110 | 2408066 | 1880-12-16 | 312.22 |
| -109 | 2408372 | 1881-10-18 | 312.29 |
| -108 | 2408696 | 1882-09-07 | 311.78 |
| -107 | 2409002 | 1883-07-10 | 311.42 |
| -106 | 2409321 | 1884-05-24 | 312.14 |
| -105 | 2409639 | 1885-04-07 | 310.8 |
| -104 | 2409939 | 1886-02-01 | 310.19 |
| -103 | 2410254 | 1886-12-13 | 309.62 |
| -102 | 2410554 | 1887-10-09 | 308.75 |
| -100 | 2411176 | 1889-06-22 | 308.63 |
| -99 | 2411485 | 1890-04-27 | 307.76 |
| -98 | 2411792 | 1891-02-28 | 307.32 |
| -97 | 2412108 | 1892-01-10 | 307.26 |
| -96 | 2412408 | 1892-11-05 | 306.14 |
| -95 | 2412709 | 1893-09-02 | 305.21 |
| -94 | 2413016 | 1894-07-06 | 304.93 |
| -93 | 2413323 | 1895-05-09 | 305.44 |
| -92 | 2413624 | 1896-03-05 | 305.87 |
| -91 | 2413926 | 1897-01-01 | 305.94 |
| -89 | 2414548 | 1898-09-15 | 306.26 |
| -88 | 2414855 | 1899-07-19 | 306.88 |
| -87 | 2415156 | 1900-05-16 | 308.12 |
| -86 | 2415464 | 1901-03-20 | 308.53 |
| -85 | 2415775 | 1902-01-25 | 308.71 |
| -84 | 2416082 | 1902-11-28 | 310.28 |
| -83 | 2416398 | 1903-10-10 | 310.5 |
| -82 | 2416704 | 1904-08-11 | 309.42 |
| -81 | 2417021 | 1905-06-24 | 308.22 |
| -80 | 2417334 | 1906-05-03 | 307.08 |
| -79 | 2417633 | 1907-02-26 | 306.51 |
| -78 | 2417938 | 1907-12-28 | 305.79 |
| -77 | 2418234 | 1908-10-19 | 305.07 |
| -76 | 2418545 | 1909-08-26 | 305.85 |
| -75 | 2418848 | 1910-06-25 | 307.21 |
| -74 | 2419158 | 1911-05-01 | 308.5 |
| -73 | 2419468 | 1912-03-06 | 308.85 |
| -72 | 2419781 | 1913-01-13 | 307.85 |
| -71 | 2420091 | 1913-11-19 | 307.57 |
| -70 | 2420400 | 1914-09-24 | 308.37 |
| -69 | 2420703 | 1915-07-24 | 308.15 |
| -68 | 2421000 | 1916-05-16 | 307.21 |
| -67 | 2421312 | 1917-03-24 | 307.42 |
| -66 | 2421631 | 1918-02-06 | 308.35 |
| -65 | 2421932 | 1918-12-04 | 310.21 |
| -64 | 2422241 | 1919-10-09 | 310.64 |
| -63 | 2422554 | 1920-08-17 | 309.14 |
| -62 | 2422866 | 1921-06-25 | 309.36 |
| -61 | 2423180 | 1922-05-05 | 310.65 |
| -60 | 2423481 | 1923-03-02 | 310.87 |
| -59 | 2423790 | 1924-01-05 | 310.15 |
| -58 | 2424104 | 1924-11-14 | 309.28 |
| -57 | 2424418 | 1925-09-24 | 309.64 |
| -56 | 2424729 | 1926-08-01 | 310.5 |
| -55 | 2425033 | 1927-06-01 | 309.5 |
| -54 | 2425343 | 1928-04-06 | 308.28 |
| -53 | 2425653 | 1929-02-10 | 307.92 |
| -52 | 2425965 | 1929-12-19 | 307.07 |
| -51 | 2426262 | 1930-10-12 | 306.37 |
| -50 | 2426576 | 1931-08-22 | 305.8 |
| -49 | 2426882 | 1932-06-23 | 305.15 |
| -48 | 2427179 | 1933-04-16 | 304.93 |
| -47 | 2427486 | 1934-02-17 | 304.71 |
| -46 | 2427791 | 1934-12-19 | 304.57 |
| -45 | 2428099 | 1935-10-23 | 305.64 |
| -44 | 2428397 | 1936-08-16 | 307 |
| -43 | 2428707 | 1937-06-22 | 307.92 |
| -42 | 2429015 | 1938-04-26 | 308.35 |
| -41 | 2429325 | 1939-03-02 | 309.22 |
| -40 | 2429638 | 1940-01-09 | 310.8 |
| -39 | 2429950 | 1940-11-16 | 311.01 |
| -38 | 2430257 | 1941-09-19 | 310.22 |
| -37 | 2430568 | 1942-07-27 | 310.14 |
| -36 | 2430887 | 1943-06-11 | 310.28 |
| -35 | 2431189 | 1944-04-08 | 310.57 |
| -34 | 2431494 | 1945-02-07 | 310.42 |
| -33 | 2431811 | 1945-12-21 | 309.07 |
| -32 | 2432121 | 1946-10-27 | 308.5 |
| -31 | 2432434 | 1947-09-05 | 308.22 |
| -30 | 2432737 | 1948-07-04 | 307.58 |
| -29 | 2433045 | 1949-05-08 | 307.29 |
| -28 | 2433350 | 1950-03-09 | 306 |
| -27 | 2433648 | 1951-01-01 | 305.5 |
| -26 | 2433963 | 1951-11-12 | 306.5 |
| -25 | 2434271 | 1952-09-15 | 306.14 |
| -24 | 2434568 | 1953-07-09 | 306.64 |
| -23 | 2434880 | 1954-05-17 | 307.5 |
| -22 | 2435193 | 1955-03-26 | 307.57 |
| -21 | 2435488 | 1956-01-15 | 308.15 |
| -20 | 2435803 | 1956-11-25 | 308.3 |
| -19 | 2436113 | 1957-10-01 | 308.15 |
| -18 | 2436427 | 1958-08-11 | 309 |
| -17 | 2436726 | 1959-06-06 | 309.64 |
| -16 | 2437038 | 1960-04-13 | 308.92 |
| -15 | 2437349 | 1961-02-18 | 308.64 |
| -14 | 2437658 | 1961-12-24 | 309.57 |
| -13 | 2437968 | 1962-10-30 | 310.35 |
| -12 | 2438273 | 1963-08-31 | 310.15 |
| -11 | 2438588 | 1964-07-11 | 310.51 |
| -10 | 2438899 | 1965-05-18 | 310.94 |
| -9 | 2439210 | 1966-03-25 | 310.43 |
| -8 | 2439519 | 1967-01-28 | 310.21 |
| -7 | 2439835 | 1967-12-10 | 310.71 |
| -6 | 2440144 | 1968-10-14 | 310.28 |
| -5 | 2440443 | 1969-08-09 | 310 |
| -4 | 2440761 | 1970-06-23 | 309.5 |
| -3 | 2441076 | 1971-05-04 | 308.21 |
| -2 | 2441377 | 1972-02-29 | 308.43 |
| -1 | 2441692 | 1973-01-09 | 308.65 |
| 0 | 2441995 | 1973-11-08 | 307.58 |
| 1 | 2442299 | 1974-09-08 | 307.3 |
| 2 | 2442606 | 1975-07-12 | 305.79 |
| 3 | 2442919 | 1976-05-20 | 304.28 |
| 4 | 2443224 | 1977-03-21 | 305.92 |
| 5 | 2443531 | 1978-01-22 | 306.35 |
| 6 | 2443819 | 1978-11-06 | 304.57 |
| 7 | 2444128 | 1979-09-11 | 303.57 |
| 8 | 2444449 | 1980-07-28 | 303.35 |
| 9 | 2444745 | 1981-05-20 | 304.5 |
| 10 | 2445044 | 1982-03-15 | 305.65 |
| 11 | 2445349 | 1983-01-14 | 304.87 |
| 12 | 2445653 | 1983-11-14 | 305.15 |
| 13 | 2445960 | 1984-09-16 | 307.35 |
| 14 | 2446266 | 1985-07-19 | 309.14 |
| 15 | 2446579 | 1986-05-28 | 309.64 |
| 16 | 2446887 | 1987-04-01 | 310.64 |
| 17 | 2447205 | 1988-02-13 | 311.5 |
| 18 | 2447516 | 1988-12-20 | 311.14 |
| 19 | 2447821 | 1989-10-21 | 310.79 |
| 20 | 2448141 | 1990-09-06 | 310.01 |
| 21 | 2448446 | 1991-07-08 | 309.36 |
| 22 | 2448755 | 1992-05-12 | 309.28 |
| 23 | 2449062 | 1993-03-15 | 308.35 |
| 24 | 2449370 | 1994-01-17 | 308.14 |
| 25 | 2449682 | 1994-11-25 | 309.21 |
| 26 | 2449985 | 1995-09-24 | 309.21 |
| 27 | 2450294 | 1996-07-29 | 309.21 |
| 28 | 2450607 | 1997-06-07 | 309.5 |
| 29 | 2450923 | 1998-04-19 | 309.58 |
| 30 | 2451223 | 1999-02-13 | 309.94 |
| 31 | 2451538 | 1999-12-25 | 308.79 |
| 32 | 2451847 | 2000-10-29 | 307 |
| 33 | 2452154 | 2001-09-01 | 306.92 |
| 34 | 2452464 | 2002-07-08 | 307.21 |
| 35 | 2452760 | 2003-04-30 | 305.71 |
| 36 | 2453068 | 2004-03-03 | 304.28 |
| 37 | 2453375 | 2005-01-04 | 304.42 |
| 38 | 2453687 | 2005-11-12 | 305.65 |
| 39 | 2453978 | 2006-08-30 | 306.01 |
| 40 | 2454283 | 2007-07-01 | 305.22 |
| 41 | 2454597 | 2008-05-10 | 304.29 |
| 42 | 2454906 | 2009-03-15 | 305.14 |
| 43 | 2455206 | 2010-01-09 | 307 |
| 44 | 2455510 | 2010-11-09 | 306.78 |
| 45 | 2455812 | 2011-09-07 | 306.07 |
| 46 | 2456125 | 2012-07-16 | 306.14 |
| 47 | 2456434 | 2013-05-21 | 306.71 |
| 48 | 2456741 | 2014-03-24 | 306.93 |
| 49 | 2457047 | 2015-01-24 | 306.58 |
| 50 | 2457351 | 2015-11-24 | 306.87 |
| 51 | 2457659 | 2016-09-27 | 306.8 |
| 52 | 2457960 | 2017-07-25 | 305.79 |
| 53 | 2458269 | 2018-05-30 | 305.5 |
| 54 | 2458586 | 2019-04-12 | 306.42 |
| 55 | 2458884 | 2020-02-04 | 307.46 |
| 56 | 2459185 | 2020-12-01 | 307.56 |
| 57 | 2459490 | 2021-10-02 | 304.9 |
| 58 | 2459810 | 2022-08-18 | 302.48 |
| 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. |