| E | O (JD) | O (dat) | Period |
| -100 | 2412300 | 1892-07-20 | 212.53 |
| -91 | 2414185 | 1897-09-17 | 211.99 |
| -86 | 2415280 | 1900-09-17 | 212.41 |
| -81 | 2416335 | 1903-08-08 | 212.21 |
| -78 | 2416970 | 1905-05-04 | 212.14 |
| -76 | 2417390 | 1906-06-28 | 212.2 |
| -74 | 2417790 | 1907-08-02 | 212 |
| -71 | 2418470 | 1909-06-12 | 211.71 |
| -67 | 2419290 | 1911-09-10 | 211.91 |
| -64 | 2419930 | 1913-06-11 | 211.8 |
| -61 | 2420575 | 1915-03-18 | 211.6 |
| -57 | 2421400 | 1917-06-20 | 211.61 |
| -50 | 2422905 | 1921-08-03 | 211.08 |
| -49 | 2423115 | 1922-03-01 | 211.52 |
| -47 | 2423520 | 1923-04-10 | 211.62 |
| -46 | 2423720 | 1923-10-27 | 211.73 |
| -45 | 2423950 | 1924-06-13 | 212.17 |
| -40 | 2425000 | 1927-04-29 | 212.13 |
| -35 | 2426070 | 1930-04-03 | 212.49 |
| -33 | 2426500 | 1931-06-07 | 212.81 |
| -31 | 2426920 | 1932-07-31 | 212.93 |
| -29 | 2427350 | 1933-10-04 | 212.71 |
| -28 | 2427560 | 1934-05-02 | 212.84 |
| -26 | 2427987 | 1935-07-03 | 212.69 |
| -23 | 2428620 | 1937-03-27 | 213.11 |
| -21 | 2429052 | 1938-06-02 | 213.37 |
| -19 | 2429475 | 1939-07-30 | 213.55 |
| -16 | 2430110 | 1941-04-25 | 213.57 |
| -14 | 2430540 | 1942-06-29 | 213.51 |
| -12 | 2430985 | 1943-09-17 | 213.8 |
| -11 | 2431190 | 1944-04-09 | 213.46 |
| -9 | 2431620 | 1945-06-13 | 213.39 |
| -7 | 2432036 | 1946-08-03 | 213.16 |
| -4 | 2432675 | 1948-05-03 | 212.71 |
| -2 | 2433115 | 1949-07-17 | 211.89 |
| -1 | 2433310 | 1950-01-28 | 212.04 |
| 0 | 2433529 | 1950-09-04 | 212.12 |
| 1 | 2433740 | 1951-04-03 | 212.23 |
| 3 | 2434165 | 1952-06-01 | 212.26 |
| 29 | 2439668 | 1967-06-26 | 212.26 |
| 34 | 2440740 | 1970-06-02 | 212.34 |
| 36 | 2441171 | 1971-08-07 | 212.27 |
| 38 | 2441600 | 1972-10-09 | 212.32 |
| 41 | 2442237 | 1974-07-08 | 212.51 |
| 43 | 2442659 | 1975-09-03 | 213.09 |
| 44 | 2442868 | 1976-03-30 | 212.96 |
| 46 | 2443285 | 1977-05-21 | 212.62 |
| 48 | 2443720 | 1978-07-30 | 212.84 |
| 49 | 2443950 | 1979-03-17 | 213.32 |
| 50 | 2444144 | 1979-09-27 | 213.51 |
| 51 | 2444370 | 1980-05-10 | 213.6 |
| 53 | 2444780 | 1981-06-24 | 213.98 |
| 55 | 2445219 | 1982-09-06 | 213.53 |
| 56 | 2445435 | 1983-04-10 | 213.36 |
| 58 | 2445855 | 1984-06-03 | 213.53 |
| 60 | 2446283 | 1985-08-05 | 213.07 |
| 61 | 2446510 | 1986-03-20 | 213.29 |
| 62 | 2446710 | 1986-10-06 | 213.09 |
| 63 | 2446925 | 1987-05-09 | 212.93 |
| 65 | 2447345 | 1988-07-02 | 212.79 |
| 67 | 2447770 | 1989-08-31 | 212.61 |
| 68 | 2447990 | 1990-04-08 | 212.57 |
| 69 | 2448210 | 1990-11-14 | 212.95 |
| 70 | 2448412 | 1991-06-04 | 212.76 |
| 72 | 2448835 | 1992-07-31 | 212.96 |
| 74 | 2449265 | 1993-10-04 | 212.56 |
| 75 | 2449480 | 1994-05-07 | 212.41 |
| 77 | 2449904 | 1995-07-05 | 212.32 |
| 79 | 2450324 | 1996-08-28 | 212.24 |
| 80 | 2450546 | 1997-04-07 | 212.14 |
| 81 | 2450746 | 1997-10-24 | 212.25 |
| 82 | 2450967 | 1998-06-02 | 211.97 |
| 84 | 2451387 | 1999-07-27 | 211.59 |
| 85 | 2451590 | 2000-02-15 | 211.33 |
| 86 | 2451812 | 2000-09-24 | 210.76 |
| 87 | 2452035 | 2001-05-05 | 210.79 |
| 88 | 2452230 | 2001-11-16 | 210.35 |
| 89 | 2452436 | 2002-06-10 | 210.59 |
| 90 | 2452650 | 2003-01-10 | 210.95 |
| 91 | 2452857 | 2003-08-05 | 210.83 |
| 92 | 2453070 | 2004-03-05 | 210.71 |
| 93 | 2453283 | 2004-10-04 | 211.15 |
| 94 | 2453498 | 2005-05-07 | 211.16 |
| 96 | 2453923 | 2006-07-06 | 210.92 |
| 98 | 2454344 | 2007-08-31 | 210.85 |
| 99 | 2454546 | 2008-03-20 | 210.63 |
| 100 | 2454757 | 2008-10-17 | 210.2 |
| 101 | 2454970 | 2009-05-18 | 209.89 |
| 103 | 2455390 | 2010-07-12 | 209.81 |
| 105 | 2455813 | 2011-09-08 | 210.15 |
| 106 | 2456023 | 2012-04-05 | 209.99 |
| 107 | 2456225 | 2012-10-24 | 209.93 |
| 108 | 2456437 | 2013-05-24 | 209.93 |
| 109 | 2456650 | 2013-12-23 | 210.36 |
| 110 | 2456866 | 2014-07-27 | 210.73 |
| 111 | 2457060 | 2015-02-06 | 211.42 |
| 112 | 2457281 | 2015-09-15 | 211.59 |
| 113 | 2457493 | 2016-04-14 | 211.44 |
| 114 | 2457710 | 2016-11-17 | 211.54 |
| 115 | 2457919 | 2017-06-14 | 211.68 |
| 116 | 2458135 | 2018-01-16 | 212.65 |
| 117 | 2458336 | 2018-08-05 | 212.25 |
| 118 | 2458549 | 2019-03-06 | 212.45 |
| 119 | 2458765 | 2019-10-08 | 212.36 |
| 120 | 2458976 | 2020-05-06 | 212.65 |
| 121 | 2459200 | 2020-12-16 | 212.87 |
| 122 | 2459404 | 2021-07-08 | 213.63 |
| 123 | 2459621 | 2022-02-10 | 213.46 |
| 124 | 2459828 | 2022-09-05 | 212.97 |
| 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. |