| E | O (JD) | O (dat) | Period |
| -106 | 2409521 | 1884-12-10 | 332.59 |
| -98 | 2412177 | 1892-03-19 | 333.37 |
| -97 | 2412503 | 1893-02-08 | 333.59 |
| -96 | 2412833 | 1894-01-04 | 333.39 |
| -95 | 2413172 | 1894-12-09 | 333.84 |
| -86 | 2416179 | 1903-03-05 | 334.77 |
| -85 | 2416510 | 1904-01-30 | 335.3 |
| -84 | 2416855 | 1905-01-09 | 335.17 |
| -83 | 2417195 | 1905-12-15 | 335.41 |
| -82 | 2417528 | 1906-11-13 | 336.79 |
| -81 | 2417867 | 1907-10-18 | 337.5 |
| -80 | 2418193 | 1908-09-08 | 337.93 |
| -79 | 2418537 | 1909-08-18 | 335.86 |
| -78 | 2418867 | 1910-07-14 | 333.29 |
| -77 | 2419223 | 1911-07-05 | 333.86 |
| -76 | 2419558 | 1912-06-04 | 334.21 |
| -75 | 2419867 | 1913-04-09 | 333.29 |
| -74 | 2420194 | 1914-03-02 | 332.93 |
| -73 | 2420540 | 1915-02-11 | 332.5 |
| -72 | 2420869 | 1916-01-06 | 334.71 |
| -71 | 2421201 | 1916-12-03 | 335.86 |
| -70 | 2421550 | 1917-11-17 | 334.64 |
| -69 | 2421886 | 1918-10-19 | 335.21 |
| -68 | 2422225 | 1919-09-23 | 335.79 |
| -67 | 2422538 | 1920-08-01 | 334.57 |
| -66 | 2422881 | 1921-07-10 | 332.57 |
| -65 | 2423221 | 1922-06-15 | 331.5 |
| -64 | 2423550 | 1923-05-10 | 332.64 |
| -63 | 2423885 | 1924-04-09 | 333.14 |
| -62 | 2424207 | 1925-02-25 | 331.86 |
| -61 | 2424545 | 1926-01-29 | 332 |
| -60 | 2424875 | 1926-12-25 | 332.57 |
| -59 | 2425208 | 1927-11-23 | 333.64 |
| -58 | 2425540 | 1928-10-20 | 334.29 |
| -57 | 2425879 | 1929-09-24 | 334.36 |
| -56 | 2426212 | 1930-08-23 | 336.14 |
| -55 | 2426551 | 1931-07-28 | 335.86 |
| -54 | 2426881 | 1932-06-22 | 333.64 |
| -53 | 2427220 | 1933-05-27 | 333 |
| -52 | 2427569 | 1934-05-11 | 332.93 |
| -51 | 2427881 | 1935-03-19 | 333.29 |
| -50 | 2428209 | 1936-02-10 | 333.71 |
| -49 | 2428544 | 1937-01-10 | 333.64 |
| -48 | 2428880 | 1937-12-12 | 335.71 |
| -47 | 2429218 | 1938-11-15 | 337.93 |
| -46 | 2429555 | 1939-10-18 | 337.43 |
| -45 | 2429905 | 1940-10-02 | 338.14 |
| -44 | 2430245 | 1941-09-07 | 338.21 |
| -43 | 2430576 | 1942-08-04 | 337.43 |
| -42 | 2430901 | 1943-06-25 | 337 |
| -41 | 2431257 | 1944-06-15 | 335.93 |
| -40 | 2431576 | 1945-04-30 | 336.14 |
| -39 | 2431921 | 1946-04-10 | 337.43 |
| -38 | 2432257 | 1947-03-12 | 336.71 |
| -37 | 2432596 | 1948-02-14 | 335.29 |
| -36 | 2432931 | 1949-01-14 | 334 |
| -35 | 2433270 | 1949-12-19 | 332.5 |
| -34 | 2433602 | 1950-11-16 | 332.57 |
| -33 | 2433925 | 1951-10-05 | 332.57 |
| -32 | 2434248 | 1952-08-23 | 332.57 |
| -31 | 2434585 | 1953-07-26 | 331.93 |
| -30 | 2434924 | 1954-06-30 | 331.79 |
| -29 | 2435259 | 1955-05-31 | 332.93 |
| -28 | 2435598 | 1956-05-04 | 333.07 |
| -27 | 2435921 | 1957-03-23 | 330.79 |
| -26 | 2436251 | 1958-02-16 | 328.86 |
| -25 | 2436583 | 1959-01-14 | 328.71 |
| -24 | 2436913 | 1959-12-10 | 329.29 |
| -23 | 2437227 | 1960-10-19 | 330.36 |
| -22 | 2437560 | 1961-09-17 | 330.93 |
| -21 | 2437899 | 1962-08-22 | 331.21 |
| -20 | 2438230 | 1963-07-19 | 332.5 |
| -19 | 2438567 | 1964-06-20 | 333.79 |
| -18 | 2438900 | 1965-05-19 | 333.71 |
| -17 | 2439233 | 1966-04-17 | 333.64 |
| -16 | 2439562 | 1967-03-12 | 333.57 |
| -15 | 2439898 | 1968-02-11 | 332.86 |
| -14 | 2440233 | 1969-01-11 | 332.64 |
| -13 | 2440567 | 1969-12-11 | 333.71 |
| -12 | 2440900 | 1970-11-09 | 334.71 |
| -11 | 2441227 | 1971-10-02 | 334.71 |
| -10 | 2441563 | 1972-09-02 | 335.64 |
| -9 | 2441904 | 1973-08-09 | 336.86 |
| -8 | 2442242 | 1974-07-13 | 338.71 |
| -7 | 2442575 | 1975-06-11 | 341.07 |
| -6 | 2442924 | 1976-05-25 | 341.07 |
| -5 | 2443259 | 1977-04-25 | 341.93 |
| -4 | 2443610 | 1978-04-11 | 343.14 |
| -3 | 2443955 | 1979-03-22 | 341.14 |
| -2 | 2444287 | 1980-02-17 | 340.21 |
| -1 | 2444646 | 1981-02-10 | 339.64 |
| 0 | 2444975 | 1982-01-05 | 337.71 |
| 1 | 2445300 | 1982-11-26 | 337.14 |
| 2 | 2445646 | 1983-11-07 | 335.5 |
| 3 | 2445978 | 1984-10-04 | 334.93 |
| 4 | 2446315 | 1985-09-06 | 335.36 |
| 5 | 2446647 | 1986-08-04 | 334.43 |
| 6 | 2446983 | 1987-07-06 | 333.29 |
| 7 | 2447327 | 1988-06-14 | 333.36 |
| 8 | 2447643 | 1989-04-26 | 333.86 |
| 9 | 2447985 | 1990-04-03 | 332.86 |
| 10 | 2448305 | 1991-02-17 | 331.71 |
| 11 | 2448655 | 1992-02-02 | 331.57 |
| 12 | 2448981 | 1992-12-24 | 332.14 |
| 13 | 2449309 | 1993-11-17 | 332.64 |
| 14 | 2449645 | 1994-10-19 | 332.21 |
| 15 | 2449967 | 1995-09-06 | 331.86 |
| 16 | 2450311 | 1996-08-15 | 333.07 |
| 17 | 2450636 | 1997-07-06 | 333 |
| 18 | 2450975 | 1998-06-10 | 332.5 |
| 19 | 2451307 | 1999-05-08 | 332.57 |
| 20 | 2451646 | 2000-04-11 | 333.57 |
| 21 | 2451970 | 2001-03-01 | 333.93 |
| 22 | 2452297 | 2002-01-22 | 333.07 |
| 23 | 2452637 | 2002-12-28 | 332.36 |
| 24 | 2452980 | 2003-12-06 | 332.5 |
| 25 | 2453306 | 2004-10-27 | 333.29 |
| 26 | 2453639 | 2005-09-25 | 333.36 |
| 27 | 2453967 | 2006-08-19 | 332.07 |
| 28 | 2454304 | 2007-07-22 | 331.57 |
| 29 | 2454629 | 2008-06-11 | 332.36 |
| 30 | 2454972 | 2009-05-20 | 332.29 |
| 31 | 2455294 | 2010-04-07 | 332.07 |
| 32 | 2455634 | 2011-03-13 | 331 |
| 33 | 2455964 | 2012-02-06 | 329.93 |
| 34 | 2456294 | 2013-01-01 | 330.71 |
| 35 | 2456626 | 2013-11-29 | 330.5 |
| 36 | 2456941 | 2014-10-10 | 328.86 |
| 37 | 2457279 | 2015-09-13 | 328.93 |
| 38 | 2457617 | 2016-08-16 | 328.64 |
| 39 | 2457938 | 2017-07-03 | 330.21 |
| 40 | 2458264 | 2018-05-25 | 332.93 |
| 41 | 2458599 | 2019-04-25 | 332.36 |
| 42 | 2458922 | 2020-03-13 | 331.56 |
| 43 | 2459268 | 2021-02-22 | 333.31 |
| 44 | 2459613 | 2022-02-02 | 334.42 |
| 45 | 2459936 | 2022-12-22 | 334.3 |
| 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. |