| E | O (JD) | O (dat) | Period |
| -94 | 2414710 | 1899-02-24 | 325 |
| -93 | 2414990 | 1899-12-01 | 328.15 |
| -91 | 2415640 | 1901-09-12 | 331.02 |
| -90 | 2415960 | 1902-07-29 | 325.95 |
| -89 | 2416300 | 1903-07-04 | 326.74 |
| -88 | 2416647 | 1904-06-15 | 327.2 |
| -87 | 2416975 | 1905-05-09 | 326.29 |
| -86 | 2417300 | 1906-03-30 | 328.57 |
| -85 | 2417628 | 1907-02-21 | 325.49 |
| -84 | 2417910 | 1907-11-30 | 322.86 |
| -83 | 2418258 | 1908-11-12 | 323.29 |
| -82 | 2418602 | 1909-10-22 | 322.36 |
| -81 | 2418902 | 1910-08-18 | 324.86 |
| -80 | 2419240 | 1911-07-22 | 326.99 |
| -79 | 2419561 | 1912-06-07 | 324.93 |
| -78 | 2419880 | 1913-04-22 | 325.29 |
| -77 | 2420206 | 1914-03-14 | 325.65 |
| -76 | 2420540 | 1915-02-11 | 325.64 |
| -75 | 2420869 | 1916-01-06 | 327.13 |
| -74 | 2421189 | 1916-11-21 | 328.43 |
| -73 | 2421512 | 1917-10-10 | 328.86 |
| -72 | 2421848 | 1918-09-11 | 328.72 |
| -71 | 2422173 | 1919-08-02 | 330.43 |
| -70 | 2422511 | 1920-07-05 | 332.92 |
| -69 | 2422839 | 1921-05-29 | 333.5 |
| -68 | 2423172 | 1922-04-27 | 333.36 |
| -67 | 2423512 | 1923-04-02 | 333.29 |
| -66 | 2423850 | 1924-03-05 | 332.93 |
| -65 | 2424179 | 1925-01-28 | 332.06 |
| -64 | 2424509 | 1925-12-24 | 330.57 |
| -63 | 2424841 | 1926-11-21 | 330.29 |
| -62 | 2425170 | 1927-10-16 | 330.65 |
| -61 | 2425490 | 1928-08-31 | 330 |
| -60 | 2425822 | 1929-07-29 | 328.85 |
| -59 | 2426164 | 1930-07-06 | 328.64 |
| -58 | 2426494 | 1931-06-01 | 329.65 |
| -57 | 2426814 | 1932-04-16 | 330.01 |
| -56 | 2427140 | 1933-03-08 | 329.78 |
| -55 | 2427472 | 1934-02-03 | 329.85 |
| -54 | 2427803 | 1934-12-31 | 330 |
| -53 | 2428129 | 1935-11-22 | 331.01 |
| -52 | 2428474 | 1936-11-01 | 330.72 |
| -51 | 2428802 | 1937-09-25 | 329.43 |
| -50 | 2429126 | 1938-08-15 | 329.28 |
| -49 | 2429462 | 1939-07-17 | 328.07 |
| -48 | 2429780 | 1940-05-30 | 325.65 |
| -47 | 2430107 | 1941-04-22 | 324.08 |
| -46 | 2430435 | 1942-03-16 | 322.21 |
| -45 | 2430761 | 1943-02-05 | 321.71 |
| -44 | 2431074 | 1943-12-15 | 322.36 |
| -43 | 2431391 | 1944-10-27 | 320.36 |
| -42 | 2431708 | 1945-09-09 | 318.01 |
| -41 | 2432038 | 1946-08-05 | 318.07 |
| -40 | 2432362 | 1947-06-25 | 319.71 |
| -39 | 2432665 | 1948-04-23 | 320.93 |
| -38 | 2432983 | 1949-03-07 | 320.22 |
| -37 | 2433305 | 1950-01-23 | 319.72 |
| -36 | 2433636 | 1950-12-20 | 321.28 |
| -35 | 2433956 | 1951-11-05 | 322.92 |
| -34 | 2434273 | 1952-09-17 | 324.28 |
| -33 | 2434603 | 1953-08-13 | 325.86 |
| -32 | 2434922 | 1954-06-28 | 327.08 |
| -31 | 2435247 | 1955-05-19 | 327.57 |
| -30 | 2435581 | 1956-04-17 | 327.35 |
| -29 | 2435922 | 1957-03-24 | 327.86 |
| -28 | 2436249 | 1958-02-14 | 327.93 |
| -27 | 2436566 | 1958-12-28 | 325.72 |
| -26 | 2436893 | 1959-11-20 | 323 |
| -25 | 2437222 | 1960-10-14 | 321.35 |
| -24 | 2437538 | 1961-08-26 | 321.86 |
| -23 | 2437850 | 1962-07-04 | 322.36 |
| -22 | 2438175 | 1963-05-25 | 321.65 |
| -21 | 2438495 | 1964-04-09 | 322 |
| -20 | 2438826 | 1965-03-06 | 323.99 |
| -19 | 2439146 | 1966-01-20 | 325.93 |
| -18 | 2439472 | 1966-12-12 | 326.65 |
| -17 | 2439796 | 1967-11-01 | 326.79 |
| -16 | 2440128 | 1968-09-28 | 328.14 |
| -15 | 2440460 | 1969-08-26 | 329.85 |
| -14 | 2440783 | 1970-07-15 | 330.78 |
| -13 | 2441113 | 1971-06-10 | 330.93 |
| -12 | 2441453 | 1972-05-15 | 330.36 |
| -11 | 2441783 | 1973-04-10 | 330.64 |
| -10 | 2442116 | 1974-03-09 | 331.42 |
| -9 | 2442441 | 1975-01-28 | 331.64 |
| -8 | 2442772 | 1975-12-25 | 331.86 |
| -7 | 2443100 | 1976-11-17 | 332.65 |
| -6 | 2443436 | 1977-10-19 | 333.36 |
| -5 | 2443773 | 1978-09-21 | 332.85 |
| -4 | 2444109 | 1979-08-23 | 331.86 |
| -3 | 2444447 | 1980-07-26 | 330.72 |
| -2 | 2444777 | 1981-06-21 | 328.86 |
| -1 | 2445096 | 1982-05-06 | 327.64 |
| 0 | 2445422 | 1983-03-28 | 326.99 |
| 1 | 2445744 | 1984-02-13 | 326.36 |
| 2 | 2446069 | 1985-01-03 | 326.29 |
| 3 | 2446400 | 1985-11-30 | 325.93 |
| 4 | 2446734 | 1986-10-30 | 325.07 |
| 5 | 2447059 | 1987-09-20 | 324.28 |
| 6 | 2447382 | 1988-08-08 | 324 |
| 7 | 2447699 | 1989-06-21 | 323.36 |
| 8 | 2448018 | 1990-05-06 | 322.01 |
| 9 | 2448335 | 1991-03-19 | 322.36 |
| 10 | 2448670 | 1992-02-17 | 323.42 |
| 11 | 2448991 | 1993-01-03 | 323.93 |
| 12 | 2449310 | 1993-11-18 | 324.29 |
| 13 | 2449644 | 1994-10-18 | 323.01 |
| 14 | 2449965 | 1995-09-04 | 322.36 |
| 15 | 2450287 | 1996-07-22 | 322.92 |
| 16 | 2450606 | 1997-06-06 | 320.5 |
| 17 | 2450921 | 1998-04-17 | 317.93 |
| 18 | 2451253 | 1999-03-15 | 318.08 |
| 19 | 2451569 | 2000-01-25 | 319.64 |
| 20 | 2451872 | 2000-11-23 | 320.99 |
| 21 | 2452188 | 2001-10-05 | 320.36 |
| 22 | 2452517 | 2002-08-30 | 319.58 |
| 23 | 2452851 | 2003-07-30 | 321.08 |
| 24 | 2453170 | 2004-06-13 | 323.57 |
| 25 | 2453489 | 2005-04-28 | 324.71 |
| 26 | 2453807 | 2006-03-12 | 324.07 |
| 27 | 2454129 | 2007-01-28 | 323.65 |
| 28 | 2454461 | 2007-12-26 | 324.51 |
| 29 | 2454790 | 2008-11-19 | 325.57 |
| 30 | 2455115 | 2009-10-10 | 326.28 |
| 31 | 2455437 | 2010-08-28 | 326.36 |
| 32 | 2455765 | 2011-07-22 | 325.86 |
| 33 | 2456089 | 2012-06-10 | 325.51 |
| 34 | 2456415 | 2013-05-02 | 325.71 |
| 35 | 2456744 | 2014-03-27 | 325.99 |
| 36 | 2457069 | 2015-02-15 | 326.07 |
| 37 | 2457393 | 2016-01-05 | 325.86 |
| 38 | 2457719 | 2016-11-26 | 325.58 |
| 39 | 2458047 | 2017-10-20 | 325.78 |
| 40 | 2458372 | 2018-09-10 | 326.56 |
| 41 | 2458694 | 2019-07-29 | 326.92 |
| 42 | 2459023 | 2020-06-22 | 326.18 |
| 43 | 2459351 | 2021-05-16 | 326.09 |
| 44 | 2459683 | 2022-04-13 | 326.3 |
| 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. |