| E | O (JD) | O (dat) | Period |
| -122 | 2399275 | 1856-11-21 | 363.43 |
| -121 | 2399630 | 1857-11-11 | 363.89 |
| -119 | 2400326 | 1859-10-08 | 363.23 |
| -118 | 2400698 | 1860-10-14 | 361.99 |
| -109 | 2403980 | 1869-10-09 | 362.02 |
| -108 | 2404354 | 1870-10-18 | 363.07 |
| -103 | 2406145 | 1875-09-13 | 363.76 |
| -102 | 2406513 | 1876-09-15 | 362.65 |
| -100 | 2407235 | 1878-09-07 | 360.96 |
| -98 | 2407970 | 1880-09-11 | 361.42 |
| -97 | 2408332 | 1881-09-08 | 362.63 |
| -95 | 2409039 | 1883-08-16 | 363.87 |
| -94 | 2409402 | 1884-08-13 | 363.9 |
| -91 | 2410494 | 1887-08-10 | 363.73 |
| -87 | 2411955 | 1891-08-10 | 365.38 |
| -84 | 2413073 | 1894-09-01 | 366.03 |
| -83 | 2413413 | 1895-08-07 | 365.23 |
| -82 | 2413801 | 1896-08-29 | 364.48 |
| -81 | 2414166 | 1897-08-29 | 362 |
| -80 | 2414524 | 1898-08-22 | 361.13 |
| -79 | 2414868 | 1899-08-01 | 361.43 |
| -78 | 2415235 | 1900-08-03 | 360.51 |
| -77 | 2415585 | 1901-07-19 | 360.86 |
| -76 | 2415957 | 1902-07-26 | 361.93 |
| -75 | 2416317 | 1903-07-21 | 362.56 |
| -74 | 2416697 | 1904-08-04 | 363.57 |
| -73 | 2417045 | 1905-07-18 | 365.01 |
| -72 | 2417414 | 1906-07-22 | 365.22 |
| -71 | 2417765 | 1907-07-08 | 362.93 |
| -70 | 2418145 | 1908-07-22 | 362.06 |
| -69 | 2418507 | 1909-07-19 | 364.14 |
| -68 | 2418880 | 1910-07-27 | 363.65 |
| -67 | 2419215 | 1911-06-27 | 362.15 |
| -66 | 2419596 | 1912-07-12 | 362.28 |
| -65 | 2419961 | 1913-07-12 | 362.85 |
| -64 | 2420309 | 1914-06-25 | 363.64 |
| -63 | 2420671 | 1915-06-22 | 363.58 |
| -62 | 2421053 | 1916-07-08 | 361.65 |
| -61 | 2421414 | 1917-07-04 | 363 |
| -60 | 2421772 | 1918-06-27 | 364.78 |
| -59 | 2422129 | 1919-06-19 | 363.21 |
| -58 | 2422491 | 1920-06-15 | 361.58 |
| -57 | 2422861 | 1921-06-20 | 362.22 |
| -56 | 2423226 | 1922-06-20 | 362.21 |
| -55 | 2423583 | 1923-06-12 | 361.56 |
| -54 | 2423946 | 1924-06-09 | 359.86 |
| -53 | 2424311 | 1925-06-09 | 357.72 |
| -52 | 2424661 | 1926-05-25 | 357.08 |
| -51 | 2425021 | 1927-05-20 | 356.64 |
| -50 | 2425369 | 1928-05-02 | 356.28 |
| -49 | 2425726 | 1929-04-24 | 357.28 |
| -48 | 2426082 | 1930-04-15 | 357.79 |
| -47 | 2426440 | 1931-04-08 | 358.29 |
| -46 | 2426805 | 1932-04-07 | 360.07 |
| -45 | 2427169 | 1933-04-06 | 361.06 |
| -44 | 2427522 | 1934-03-25 | 362.14 |
| -43 | 2427884 | 1935-03-22 | 363.43 |
| -42 | 2428252 | 1936-03-24 | 363.51 |
| -41 | 2428611 | 1937-03-18 | 363.86 |
| -40 | 2428981 | 1938-03-23 | 364.21 |
| -39 | 2429352 | 1939-03-29 | 363.28 |
| -38 | 2429711 | 1940-03-22 | 362.93 |
| -37 | 2430074 | 1941-03-20 | 362.43 |
| -36 | 2430431 | 1942-03-12 | 361.21 |
| -35 | 2430791 | 1943-03-07 | 360.92 |
| -34 | 2431153 | 1944-03-03 | 361.14 |
| -33 | 2431513 | 1945-02-26 | 361.08 |
| -32 | 2431877 | 1946-02-25 | 361.65 |
| -31 | 2432239 | 1947-02-22 | 361.86 |
| -30 | 2432602 | 1948-02-20 | 361.56 |
| -29 | 2432958 | 1949-02-10 | 361.21 |
| -28 | 2433327 | 1950-02-14 | 361.36 |
| -27 | 2433683 | 1951-02-05 | 361.79 |
| -26 | 2434045 | 1952-02-02 | 362.07 |
| -25 | 2434402 | 1953-01-24 | 362.49 |
| -24 | 2434773 | 1954-01-30 | 363.28 |
| -23 | 2435133 | 1955-01-25 | 363.22 |
| -22 | 2435496 | 1956-01-23 | 364.01 |
| -21 | 2435864 | 1957-01-25 | 365.07 |
| -20 | 2436232 | 1958-01-28 | 364.49 |
| -19 | 2436581 | 1959-01-12 | 365.07 |
| -18 | 2436962 | 1960-01-28 | 365.58 |
| -17 | 2437324 | 1961-01-24 | 364.86 |
| -16 | 2437685 | 1962-01-20 | 365.71 |
| -15 | 2438055 | 1963-01-25 | 365.42 |
| -14 | 2438423 | 1964-01-28 | 364.21 |
| -13 | 2438781 | 1965-01-20 | 365.01 |
| -12 | 2439152 | 1966-01-26 | 364.36 |
| -11 | 2439507 | 1967-01-16 | 363.64 |
| -10 | 2439878 | 1968-01-22 | 364.28 |
| -9 | 2440241 | 1969-01-19 | 363.71 |
| -8 | 2440600 | 1970-01-13 | 362.93 |
| -7 | 2440969 | 1971-01-17 | 362.22 |
| -6 | 2441335 | 1972-01-18 | 362.5 |
| -5 | 2441690 | 1973-01-07 | 363.99 |
| -4 | 2442050 | 1974-01-02 | 364.21 |
| -3 | 2442406 | 1974-12-24 | 363.93 |
| -2 | 2442788 | 1976-01-10 | 364.72 |
| -1 | 2443149 | 1977-01-05 | 365.57 |
| 0 | 2443519 | 1978-01-10 | 365.42 |
| 1 | 2443880 | 1979-01-06 | 364.86 |
| 2 | 2444251 | 1980-01-12 | 364.29 |
| 3 | 2444607 | 1981-01-02 | 363.43 |
| 4 | 2444965 | 1981-12-26 | 363.21 |
| 5 | 2445337 | 1983-01-02 | 363.28 |
| 6 | 2445700 | 1983-12-31 | 362.78 |
| 7 | 2446056 | 1984-12-21 | 363.08 |
| 8 | 2446428 | 1985-12-28 | 362.79 |
| 9 | 2446789 | 1986-12-24 | 362.43 |
| 10 | 2447148 | 1987-12-18 | 362.71 |
| 11 | 2447507 | 1988-12-11 | 362.5 |
| 12 | 2447874 | 1989-12-13 | 361.08 |
| 13 | 2448237 | 1990-12-11 | 360.65 |
| 14 | 2448597 | 1991-12-06 | 362.14 |
| 15 | 2448962 | 1992-12-05 | 362.92 |
| 16 | 2449310 | 1993-11-18 | 363.5 |
| 17 | 2449676 | 1994-11-19 | 361.65 |
| 18 | 2450049 | 1995-11-27 | 359.36 |
| 19 | 2450413 | 1996-11-25 | 360.14 |
| 20 | 2450787 | 1997-12-04 | 360.28 |
| 21 | 2451110 | 1998-10-23 | 358.86 |
| 22 | 2451480 | 1999-10-28 | 357.43 |
| 23 | 2451834 | 2000-10-16 | 357.36 |
| 24 | 2452196 | 2001-10-13 | 360.64 |
| 25 | 2452553 | 2002-10-05 | 363.63 |
| 26 | 2452913 | 2003-09-30 | 362.43 |
| 27 | 2453290 | 2004-10-11 | 361.86 |
| 28 | 2453656 | 2005-10-12 | 361.51 |
| 29 | 2454025 | 2006-10-16 | 361 |
| 30 | 2454363 | 2007-09-19 | 360.92 |
| 31 | 2454733 | 2008-09-23 | 359.64 |
| 32 | 2455077 | 2009-09-02 | 358.15 |
| 33 | 2455443 | 2010-09-03 | 359.22 |
| 34 | 2455813 | 2011-09-08 | 361.14 |
| 35 | 2456168 | 2012-08-28 | 362.42 |
| 36 | 2456527 | 2013-08-22 | 362.71 |
| 37 | 2456890 | 2014-08-20 | 360.86 |
| 38 | 2457262 | 2015-08-27 | 361.15 |
| 39 | 2457622 | 2016-08-21 | 362.71 |
| 40 | 2457976 | 2017-08-10 | 363.35 |
| 41 | 2458332 | 2018-08-01 | 362.28 |
| 42 | 2458705 | 2019-08-09 | 360.78 |
| 43 | 2459068 | 2020-08-06 | 361.95 |
| 44 | 2459436 | 2021-08-09 | 365.08 |
| 45 | 2459788 | 2022-07-27 | 366.89 |
| 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. |