| E | O (JD) | O (dat) | Period |
| -128 | 2395577 | 1846-10-07 | 366.43 |
| -111 | 2401773 | 1863-09-24 | 366.33 |
| -101 | 2405444 | 1873-10-12 | 366.31 |
| -85 | 2411318 | 1889-11-11 | 366.3 |
| -84 | 2411690 | 1890-11-18 | 366.29 |
| -83 | 2412059 | 1891-11-22 | 366.29 |
| -81 | 2412771 | 1893-11-03 | 366.84 |
| -80 | 2413143 | 1894-11-10 | 366.79 |
| -79 | 2413511 | 1895-11-13 | 366.51 |
| -78 | 2413877 | 1896-11-13 | 366.65 |
| -77 | 2414245 | 1897-11-16 | 367.48 |
| -76 | 2414619 | 1898-11-25 | 368.85 |
| -75 | 2414991 | 1899-12-02 | 368.35 |
| -74 | 2415351 | 1900-11-27 | 368.15 |
| -73 | 2415717 | 1901-11-28 | 368.05 |
| -72 | 2416092 | 1902-12-08 | 367.83 |
| -71 | 2416464 | 1903-12-15 | 367.31 |
| -70 | 2416820 | 1904-12-05 | 368.15 |
| -69 | 2417190 | 1905-12-10 | 368.8 |
| -68 | 2417560 | 1906-12-15 | 369.47 |
| -67 | 2417928 | 1907-12-18 | 369.07 |
| -66 | 2418290 | 1908-12-14 | 369.05 |
| -65 | 2418680 | 1910-01-08 | 368.57 |
| -63 | 2419410 | 1912-01-08 | 367.52 |
| -60 | 2420526 | 1915-01-28 | 366.44 |
| -59 | 2420878 | 1916-01-15 | 365.28 |
| -57 | 2421618 | 1918-01-24 | 364.07 |
| -56 | 2421967 | 1919-01-08 | 362.14 |
| -55 | 2422320 | 1919-12-27 | 360.49 |
| -54 | 2422678 | 1920-12-19 | 358.49 |
| -53 | 2423035 | 1921-12-11 | 358.37 |
| -52 | 2423399 | 1922-12-10 | 357.34 |
| -51 | 2423754 | 1923-11-30 | 357.64 |
| -50 | 2424111 | 1924-11-21 | 358.2 |
| -49 | 2424472 | 1925-11-17 | 358.77 |
| -48 | 2424831 | 1926-11-11 | 359.79 |
| -47 | 2425180 | 1927-10-26 | 360.54 |
| -46 | 2425538 | 1928-10-18 | 361.51 |
| -45 | 2425909 | 1929-10-24 | 362.42 |
| -44 | 2426274 | 1930-10-24 | 363.59 |
| -43 | 2426645 | 1931-10-30 | 365.42 |
| -42 | 2427004 | 1932-10-23 | 367.39 |
| -41 | 2427366 | 1933-10-20 | 368.77 |
| -40 | 2427732 | 1934-10-21 | 369.42 |
| -39 | 2428105 | 1935-10-29 | 370.29 |
| -38 | 2428485 | 1936-11-12 | 371.1 |
| -37 | 2428860 | 1937-11-22 | 371.87 |
| -36 | 2429234 | 1938-12-01 | 371.39 |
| -35 | 2429599 | 1939-12-01 | 371.17 |
| -34 | 2429971 | 1940-12-07 | 369.96 |
| -33 | 2430344 | 1941-12-15 | 369.05 |
| -32 | 2430712 | 1942-12-18 | 368.77 |
| -31 | 2431067 | 1943-12-08 | 368.64 |
| -30 | 2431451 | 1944-12-26 | 368.48 |
| -29 | 2431807 | 1945-12-17 | 367.74 |
| -28 | 2432181 | 1946-12-26 | 366.93 |
| -27 | 2432554 | 1948-01-03 | 366.48 |
| -26 | 2432921 | 1949-01-04 | 366.23 |
| -25 | 2433284 | 1950-01-02 | 365.32 |
| -24 | 2433643 | 1950-12-27 | 365.56 |
| -23 | 2434004 | 1951-12-23 | 364.77 |
| -22 | 2434371 | 1952-12-24 | 364.21 |
| -21 | 2434739 | 1953-12-27 | 364.48 |
| -20 | 2435104 | 1954-12-27 | 364.35 |
| -19 | 2435476 | 1956-01-03 | 363.96 |
| -18 | 2435831 | 1956-12-23 | 363.18 |
| -17 | 2436192 | 1957-12-19 | 362.66 |
| -16 | 2436565 | 1958-12-27 | 362.74 |
| -15 | 2436918 | 1959-12-15 | 361.99 |
| -14 | 2437276 | 1960-12-07 | 361.41 |
| -13 | 2437635 | 1961-12-01 | 361.13 |
| -12 | 2438006 | 1962-12-07 | 360.95 |
| -11 | 2438379 | 1963-12-15 | 360.77 |
| -10 | 2438721 | 1964-11-21 | 361.14 |
| -9 | 2439083 | 1965-11-18 | 361.07 |
| -8 | 2439439 | 1966-11-09 | 360.65 |
| -7 | 2439808 | 1967-11-13 | 360.35 |
| -6 | 2440170 | 1968-11-09 | 360.9 |
| -5 | 2440530 | 1969-11-04 | 361.78 |
| -4 | 2440890 | 1970-10-30 | 362.25 |
| -3 | 2441247 | 1971-10-22 | 362.88 |
| -2 | 2441613 | 1972-10-22 | 363.32 |
| -1 | 2441982 | 1973-10-26 | 363.89 |
| 0 | 2442337 | 1974-10-16 | 364.75 |
| 1 | 2442709 | 1975-10-23 | 365.33 |
| 2 | 2443076 | 1976-10-24 | 365.97 |
| 3 | 2443443 | 1977-10-26 | 365.96 |
| 4 | 2443804 | 1978-10-22 | 366.21 |
| 5 | 2444175 | 1979-10-28 | 366.69 |
| 6 | 2444538 | 1980-10-25 | 366.15 |
| 7 | 2444909 | 1981-10-31 | 366.65 |
| 8 | 2445270 | 1982-10-27 | 366.98 |
| 9 | 2445641 | 1983-11-02 | 367.19 |
| 10 | 2446009 | 1984-11-04 | 367.25 |
| 11 | 2446366 | 1985-10-27 | 367.2 |
| 12 | 2446748 | 1986-11-13 | 367.8 |
| 13 | 2447112 | 1987-11-12 | 368.42 |
| 14 | 2447476 | 1988-11-10 | 368.46 |
| 15 | 2447846 | 1989-11-15 | 368.64 |
| 16 | 2448207 | 1990-11-11 | 369.03 |
| 17 | 2448592 | 1991-12-01 | 368.49 |
| 18 | 2448958 | 1992-12-01 | 368.89 |
| 19 | 2449322 | 1993-11-30 | 368.91 |
| 20 | 2449690 | 1994-12-03 | 368.63 |
| 21 | 2450063 | 1995-12-11 | 368.03 |
| 22 | 2450425 | 1996-12-07 | 367.3 |
| 23 | 2450799 | 1997-12-16 | 367.28 |
| 24 | 2451164 | 1998-12-16 | 367.21 |
| 25 | 2451531 | 1999-12-18 | 367.33 |
| 26 | 2451891 | 2000-12-12 | 367.3 |
| 27 | 2452264 | 2001-12-20 | 367.47 |
| 28 | 2452629 | 2002-12-20 | 367.17 |
| 29 | 2452996 | 2003-12-22 | 367.18 |
| 30 | 2453371 | 2004-12-31 | 366.85 |
| 31 | 2453736 | 2005-12-31 | 366.65 |
| 32 | 2454102 | 2007-01-01 | 366.05 |
| 33 | 2454465 | 2007-12-30 | 366.13 |
| 34 | 2454831 | 2008-12-30 | 365.93 |
| 35 | 2455192 | 2009-12-26 | 365.45 |
| 36 | 2455560 | 2010-12-29 | 365.91 |
| 37 | 2455925 | 2011-12-29 | 366.04 |
| 38 | 2456299 | 2013-01-06 | 366.02 |
| 39 | 2456662 | 2014-01-04 | 366.09 |
| 40 | 2457022 | 2014-12-30 | 366.04 |
| 41 | 2457398 | 2016-01-10 | 365.34 |
| 42 | 2457758 | 2017-01-04 | 365.23 |
| 43 | 2458120 | 2018-01-01 | 364.8 |
| 44 | 2458490 | 2019-01-06 | 364.87 |
| 45 | 2458853 | 2020-01-04 | 364.83 |
| 46 | 2459210 | 2020-12-26 | 364.25 |
| 47 | 2459585 | 2022-01-05 | 364.68 |
| 48 | 2459945 | 2022-12-31 | 364.77 |
| 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. |