| E | O (JD) | O (dat) | Period |
| -132 | 2410159 | 1886-09-09 | 241.19 |
| -122 | 2412580 | 1893-04-26 | 241.7 |
| -120 | 2413060 | 1894-08-19 | 241.47 |
| -119 | 2413299 | 1895-04-15 | 240.74 |
| -117 | 2413782 | 1896-08-10 | 240.55 |
| -116 | 2414030 | 1897-04-15 | 240.59 |
| -113 | 2414744 | 1899-03-30 | 241.41 |
| -112 | 2414974 | 1899-11-15 | 242.52 |
| -111 | 2415222 | 1900-07-21 | 242.91 |
| -109 | 2415711 | 1901-11-22 | 242.96 |
| -108 | 2415959 | 1902-07-28 | 244.05 |
| -107 | 2416215 | 1903-04-10 | 243.68 |
| -105 | 2416698 | 1904-08-05 | 242.25 |
| -104 | 2416935 | 1905-03-30 | 241.37 |
| -102 | 2417420 | 1906-07-28 | 240.42 |
| -99 | 2418137 | 1908-07-14 | 239.96 |
| -97 | 2418610 | 1909-10-30 | 239.83 |
| -96 | 2418853 | 1910-06-30 | 239.61 |
| -93 | 2419572 | 1912-06-18 | 239.78 |
| -91 | 2420060 | 1913-10-19 | 240.21 |
| -88 | 2420768 | 1915-09-27 | 240.41 |
| -87 | 2421015 | 1916-05-31 | 240.53 |
| -82 | 2422215 | 1919-09-13 | 240.55 |
| -80 | 2422699 | 1921-01-09 | 240.61 |
| -79 | 2422938 | 1921-09-05 | 241 |
| -78 | 2423184 | 1922-05-09 | 241.15 |
| -77 | 2423424 | 1923-01-04 | 241 |
| -76 | 2423660 | 1923-08-28 | 240.93 |
| -75 | 2423907 | 1924-05-01 | 241.43 |
| -74 | 2424146 | 1924-12-26 | 241.22 |
| -73 | 2424383 | 1925-08-20 | 240.72 |
| -72 | 2424627 | 1926-04-21 | 239.64 |
| -71 | 2424875 | 1926-12-25 | 238.99 |
| -70 | 2425110 | 1927-08-17 | 238.92 |
| -69 | 2425344 | 1928-04-07 | 238.5 |
| -68 | 2425578 | 1928-11-27 | 237.29 |
| -67 | 2425821 | 1929-07-28 | 236.15 |
| -66 | 2426053 | 1930-03-17 | 236.86 |
| -65 | 2426296 | 1930-11-15 | 237.86 |
| -64 | 2426528 | 1931-07-05 | 237.72 |
| -63 | 2426763 | 1932-02-25 | 237.79 |
| -62 | 2427007 | 1932-10-26 | 238 |
| -61 | 2427245 | 1933-06-21 | 237.42 |
| -60 | 2427482 | 1934-02-13 | 237.42 |
| -59 | 2427721 | 1934-10-10 | 237.35 |
| -58 | 2427960 | 1935-06-06 | 237.43 |
| -57 | 2428188 | 1936-01-20 | 238.5 |
| -56 | 2428427 | 1936-09-15 | 239 |
| -55 | 2428666 | 1937-05-12 | 238.29 |
| -54 | 2428910 | 1938-01-11 | 239.5 |
| -53 | 2429156 | 1938-09-14 | 241.22 |
| -52 | 2429393 | 1939-05-09 | 241.21 |
| -51 | 2429624 | 1939-12-26 | 240.63 |
| -50 | 2429877 | 1940-09-04 | 240.06 |
| -49 | 2430115 | 1941-04-30 | 240.28 |
| -48 | 2430355 | 1941-12-26 | 241.21 |
| -47 | 2430590 | 1942-08-18 | 240.5 |
| -46 | 2430837 | 1943-04-22 | 239.15 |
| -45 | 2431076 | 1943-12-17 | 239.72 |
| -44 | 2431318 | 1944-08-15 | 240.29 |
| -43 | 2431550 | 1945-04-04 | 240 |
| -42 | 2431790 | 1945-11-30 | 239.36 |
| -41 | 2432036 | 1946-08-03 | 239.14 |
| -40 | 2432273 | 1947-03-28 | 239.28 |
| -39 | 2432514 | 1947-11-24 | 240.2 |
| -38 | 2432750 | 1948-07-17 | 240.43 |
| -37 | 2432992 | 1949-03-16 | 240.43 |
| -36 | 2433226 | 1949-11-05 | 240.5 |
| -35 | 2433477 | 1950-07-14 | 239.65 |
| -34 | 2433715 | 1951-03-09 | 240 |
| -33 | 2433960 | 1951-11-09 | 240.79 |
| -32 | 2434194 | 1952-06-30 | 239.65 |
| -31 | 2434425 | 1953-02-16 | 238.78 |
| -30 | 2434677 | 1953-10-26 | 238.56 |
| -29 | 2434912 | 1954-06-18 | 238.63 |
| -28 | 2435146 | 1955-02-07 | 240.28 |
| -27 | 2435389 | 1955-10-08 | 240.79 |
| -26 | 2435626 | 1956-06-01 | 241.22 |
| -25 | 2435869 | 1957-01-30 | 242.43 |
| -24 | 2436114 | 1957-10-02 | 242.72 |
| -23 | 2436359 | 1958-06-04 | 243.08 |
| -22 | 2436607 | 1959-02-07 | 243.65 |
| -21 | 2436845 | 1959-10-03 | 243.28 |
| -20 | 2437088 | 1960-06-02 | 242.85 |
| -19 | 2437330 | 1961-01-30 | 242.35 |
| -18 | 2437576 | 1961-10-03 | 241.79 |
| -17 | 2437813 | 1962-05-28 | 241.15 |
| -16 | 2438060 | 1963-01-30 | 240.36 |
| -15 | 2438299 | 1963-09-26 | 239.93 |
| -14 | 2438538 | 1964-05-22 | 240 |
| -13 | 2438771 | 1965-01-10 | 239.72 |
| -12 | 2439012 | 1965-09-08 | 238.64 |
| -11 | 2439253 | 1966-05-07 | 238.35 |
| -10 | 2439496 | 1967-01-05 | 238.92 |
| -9 | 2439733 | 1967-08-30 | 239.71 |
| -8 | 2439967 | 1968-04-20 | 239.65 |
| -7 | 2440207 | 1968-12-16 | 239.08 |
| -6 | 2440447 | 1969-08-13 | 239.29 |
| -5 | 2440692 | 1970-04-15 | 240.08 |
| -4 | 2440928 | 1970-12-07 | 240.5 |
| -3 | 2441168 | 1971-08-04 | 240.72 |
| -2 | 2441411 | 1972-04-03 | 240.21 |
| -1 | 2441650 | 1972-11-28 | 240.49 |
| 0 | 2441891 | 1973-07-27 | 241.2 |
| 1 | 2442133 | 1974-03-26 | 240.7 |
| 2 | 2442369 | 1974-11-17 | 240.57 |
| 3 | 2442618 | 1975-07-24 | 240.72 |
| 4 | 2442855 | 1976-03-17 | 240.5 |
| 5 | 2443094 | 1976-11-11 | 240.72 |
| 6 | 2443335 | 1977-07-10 | 240.29 |
| 7 | 2443576 | 1978-03-08 | 239.93 |
| 8 | 2443815 | 1978-11-02 | 240.22 |
| 9 | 2444057 | 1979-07-02 | 240.14 |
| 10 | 2444294 | 1980-02-24 | 240.99 |
| 11 | 2444538 | 1980-10-25 | 241.42 |
| 12 | 2444774 | 1981-06-18 | 240.93 |
| 13 | 2445017 | 1982-02-16 | 240.79 |
| 14 | 2445268 | 1982-10-25 | 240.86 |
| 15 | 2445503 | 1983-06-17 | 241.08 |
| 16 | 2445742 | 1984-02-11 | 241.43 |
| 17 | 2445980 | 1984-10-06 | 241.08 |
| 18 | 2446224 | 1985-06-07 | 240.93 |
| 19 | 2446463 | 1986-02-01 | 241.64 |
| 20 | 2446708 | 1986-10-04 | 241.28 |
| 21 | 2446952 | 1987-06-05 | 240.35 |
| 22 | 2447192 | 1988-01-31 | 240.5 |
| 23 | 2447436 | 1988-10-01 | 240.5 |
| 24 | 2447664 | 1989-05-17 | 240.08 |
| 25 | 2447905 | 1990-01-13 | 239.93 |
| 26 | 2448149 | 1990-09-14 | 239.43 |
| 27 | 2448389 | 1991-05-12 | 239.93 |
| 28 | 2448632 | 1992-01-10 | 240.86 |
| 29 | 2448871 | 1992-09-05 | 240.14 |
| 30 | 2449109 | 1993-05-01 | 239.7 |
| 31 | 2449350 | 1993-12-28 | 240.21 |
| 32 | 2449591 | 1994-08-26 | 240.93 |
| 33 | 2449825 | 1995-04-17 | 240.22 |
| 34 | 2450069 | 1995-12-17 | 239.22 |
| 35 | 2450315 | 1996-08-19 | 239.65 |
| 36 | 2450561 | 1997-04-22 | 239.72 |
| 37 | 2450782 | 1997-11-29 | 240.29 |
| 38 | 2451026 | 1998-07-31 | 240.28 |
| 39 | 2451270 | 1999-04-01 | 238.42 |
| 40 | 2451502 | 1999-11-19 | 239.28 |
| 41 | 2451756 | 2000-07-30 | 241.07 |
| 42 | 2451992 | 2001-03-23 | 240.29 |
| 43 | 2452222 | 2001-11-08 | 241.08 |
| 44 | 2452471 | 2002-07-15 | 241.58 |
| 45 | 2452712 | 2003-03-13 | 240.15 |
| 46 | 2452948 | 2003-11-04 | 240.58 |
| 47 | 2453199 | 2004-07-12 | 240.58 |
| 48 | 2453441 | 2005-03-11 | 239.71 |
| 49 | 2453669 | 2005-10-25 | 240.56 |
| 50 | 2453913 | 2006-06-26 | 240.2 |
| 51 | 2454148 | 2007-02-16 | 239.28 |
| 52 | 2454391 | 2007-10-17 | 239.57 |
| 53 | 2454637 | 2008-06-19 | 239.43 |
| 54 | 2454873 | 2009-02-10 | 240.43 |
| 55 | 2455117 | 2009-10-12 | 242.5 |
| 56 | 2455347 | 2010-05-30 | 243 |
| 57 | 2455587 | 2011-01-25 | 242 |
| 58 | 2455840 | 2011-10-05 | 242.15 |
| 59 | 2456094 | 2012-06-15 | 243.93 |
| 60 | 2456336 | 2013-02-12 | 244.42 |
| 61 | 2456562 | 2013-09-26 | 243.42 |
| 62 | 2456818 | 2014-06-09 | 242 |
| 63 | 2457061 | 2015-02-07 | 241 |
| 64 | 2457295 | 2015-09-29 | 242.29 |
| 65 | 2457540 | 2016-05-31 | 243.08 |
| 66 | 2457782 | 2017-01-28 | 241.72 |
| 67 | 2458022 | 2017-09-25 | 241.65 |
| 68 | 2458268 | 2018-05-29 | 242.93 |
| 69 | 2458515 | 2019-01-31 | 242.93 |
| 70 | 2458748 | 2019-09-21 | 242.2 |
| 71 | 2458991 | 2020-05-21 | 242.15 |
| 72 | 2459245 | 2021-01-30 | 241.22 |
| 73 | 2459478 | 2021-09-20 | 242.07 |
| 74 | 2459717 | 2022-05-17 | 243.89 |
| 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. |