| E | O (JD) | O (dat) | Period |
| -124 | 2412667 | 1893-07-22 | 256.8 |
| -121 | 2413446 | 1895-09-09 | 258.09 |
| -118 | 2414220 | 1897-10-22 | 258.42 |
| -117 | 2414491 | 1898-07-20 | 258.42 |
| -115 | 2414990 | 1899-12-01 | 258.63 |
| -114 | 2415261 | 1900-08-29 | 258.54 |
| -111 | 2416024 | 1902-10-01 | 258.37 |
| -110 | 2416292 | 1903-06-26 | 259.76 |
| -108 | 2416804 | 1904-11-19 | 259.38 |
| -107 | 2417067 | 1905-08-09 | 257.94 |
| -104 | 2417845 | 1907-09-26 | 257.95 |
| -103 | 2418130 | 1908-07-07 | 257.83 |
| -100 | 2418865 | 1910-07-12 | 258.03 |
| -91 | 2421190 | 1916-11-22 | 258.11 |
| -89 | 2421702 | 1918-04-18 | 257.58 |
| -88 | 2421965 | 1919-01-06 | 258.24 |
| -87 | 2422227 | 1919-09-25 | 260.42 |
| -86 | 2422493 | 1920-06-17 | 262.8 |
| -85 | 2422755 | 1921-03-06 | 263.5 |
| -84 | 2423020 | 1921-11-26 | 262.71 |
| -83 | 2423285 | 1922-08-18 | 262.71 |
| -82 | 2423549 | 1923-05-09 | 263.36 |
| -81 | 2423807 | 1924-01-22 | 263.57 |
| -80 | 2424063 | 1924-10-04 | 263 |
| -79 | 2424335 | 1925-07-03 | 263 |
| -78 | 2424600 | 1926-03-25 | 263.14 |
| -77 | 2424865 | 1926-12-15 | 263.36 |
| -76 | 2425122 | 1927-08-29 | 263 |
| -75 | 2425394 | 1928-05-27 | 261.64 |
| -74 | 2425646 | 1929-02-03 | 260.57 |
| -73 | 2425911 | 1929-10-26 | 260.71 |
| -72 | 2426169 | 1930-07-11 | 261.5 |
| -71 | 2426429 | 1931-03-28 | 261.93 |
| -70 | 2426684 | 1931-12-08 | 262 |
| -69 | 2426953 | 1932-09-02 | 261.71 |
| -68 | 2427224 | 1933-05-31 | 262.36 |
| -67 | 2427483 | 1934-02-14 | 262.79 |
| -66 | 2427742 | 1934-10-31 | 262.64 |
| -65 | 2428002 | 1935-07-18 | 261.71 |
| -64 | 2428269 | 1936-04-10 | 260.21 |
| -63 | 2428523 | 1936-12-20 | 259.5 |
| -62 | 2428791 | 1937-09-14 | 259.36 |
| -61 | 2429050 | 1938-05-31 | 259.14 |
| -60 | 2429300 | 1939-02-05 | 258.79 |
| -59 | 2429558 | 1939-10-21 | 258.21 |
| -58 | 2429817 | 1940-07-06 | 257.93 |
| -57 | 2430082 | 1941-03-28 | 258.14 |
| -56 | 2430333 | 1941-12-04 | 258.36 |
| -55 | 2430596 | 1942-08-24 | 258 |
| -54 | 2430856 | 1943-05-11 | 257.14 |
| -53 | 2431108 | 1944-01-18 | 256.21 |
| -52 | 2431367 | 1944-10-03 | 256.21 |
| -51 | 2431620 | 1945-06-13 | 257.07 |
| -50 | 2431879 | 1946-02-27 | 257.79 |
| -49 | 2432123 | 1946-10-29 | 257.71 |
| -48 | 2432393 | 1947-07-26 | 258 |
| -47 | 2432658 | 1948-04-16 | 258.71 |
| -46 | 2432915 | 1948-12-29 | 260.43 |
| -45 | 2433168 | 1949-09-08 | 261 |
| -44 | 2433431 | 1950-05-29 | 259.14 |
| -43 | 2433690 | 1951-02-12 | 258.57 |
| -42 | 2433958 | 1951-11-07 | 259.07 |
| -41 | 2434212 | 1952-07-18 | 259.36 |
| -40 | 2434467 | 1953-03-30 | 259.21 |
| -39 | 2434726 | 1953-12-14 | 257.93 |
| -38 | 2434984 | 1954-08-29 | 257.07 |
| -37 | 2435246 | 1955-05-18 | 257.14 |
| -36 | 2435504 | 1956-01-31 | 256.43 |
| -35 | 2435755 | 1956-10-08 | 256.21 |
| -34 | 2436014 | 1957-06-24 | 257 |
| -33 | 2436265 | 1958-03-02 | 257.21 |
| -32 | 2436518 | 1958-11-10 | 257.29 |
| -31 | 2436779 | 1959-07-29 | 257.43 |
| -30 | 2437049 | 1960-04-24 | 257.43 |
| -29 | 2437302 | 1961-01-02 | 258.36 |
| -28 | 2437559 | 1961-09-16 | 258.57 |
| -27 | 2437814 | 1962-05-29 | 257.79 |
| -26 | 2438069 | 1963-02-08 | 258.29 |
| -25 | 2438331 | 1963-10-28 | 259.29 |
| -24 | 2438586 | 1964-07-09 | 260.36 |
| -23 | 2438851 | 1965-03-31 | 261.93 |
| -22 | 2439116 | 1965-12-21 | 261.93 |
| -21 | 2439375 | 1966-09-06 | 261.36 |
| -20 | 2439643 | 1967-06-01 | 261 |
| -19 | 2439907 | 1968-02-20 | 261.14 |
| -18 | 2440160 | 1968-10-30 | 261.14 |
| -17 | 2440416 | 1969-07-13 | 261.64 |
| -16 | 2440675 | 1970-03-29 | 262.5 |
| -15 | 2440948 | 1970-12-27 | 263.07 |
| -14 | 2441199 | 1971-09-04 | 264.36 |
| -13 | 2441482 | 1972-06-13 | 264.5 |
| -12 | 2441743 | 1973-03-01 | 263.71 |
| -11 | 2442007 | 1973-11-20 | 263.86 |
| -10 | 2442270 | 1974-08-10 | 263.71 |
| -9 | 2442524 | 1975-04-21 | 262.86 |
| -8 | 2442791 | 1976-01-13 | 262.57 |
| -7 | 2443050 | 1976-09-28 | 263.21 |
| -6 | 2443323 | 1977-06-28 | 264.43 |
| -5 | 2443582 | 1978-03-14 | 264.57 |
| -4 | 2443844 | 1978-12-01 | 265.07 |
| -3 | 2444118 | 1979-09-01 | 265.29 |
| -2 | 2444378 | 1980-05-18 | 264.71 |
| -1 | 2444641 | 1981-02-05 | 264.71 |
| 0 | 2444911 | 1981-11-02 | 264.36 |
| 1 | 2445176 | 1982-07-25 | 263.79 |
| 2 | 2445435 | 1983-04-10 | 264 |
| 3 | 2445697 | 1983-12-28 | 263.5 |
| 4 | 2445966 | 1984-09-22 | 262.43 |
| 5 | 2446223 | 1985-06-06 | 262.43 |
| 6 | 2446492 | 1986-03-02 | 262.5 |
| 7 | 2446749 | 1986-11-14 | 261.36 |
| 8 | 2447012 | 1987-08-04 | 260.14 |
| 9 | 2447273 | 1988-04-21 | 259.14 |
| 10 | 2447534 | 1989-01-07 | 258.43 |
| 11 | 2447788 | 1989-09-18 | 258.5 |
| 12 | 2448043 | 1990-05-31 | 258.57 |
| 13 | 2448300 | 1991-02-12 | 258.36 |
| 14 | 2448559 | 1991-10-29 | 258.5 |
| 15 | 2448821 | 1992-07-17 | 258.64 |
| 16 | 2449084 | 1993-04-06 | 258.93 |
| 17 | 2449340 | 1993-12-18 | 258.86 |
| 18 | 2449601 | 1994-09-05 | 258.21 |
| 19 | 2449851 | 1995-05-13 | 258.14 |
| 20 | 2450117 | 1996-02-03 | 258.29 |
| 21 | 2450366 | 1996-10-09 | 258.79 |
| 22 | 2450629 | 1997-06-29 | 259.29 |
| 23 | 2450890 | 1998-03-17 | 259 |
| 24 | 2451150 | 1998-12-02 | 259 |
| 25 | 2451414 | 1999-08-23 | 259.93 |
| 26 | 2451668 | 2000-05-03 | 259.86 |
| 27 | 2451926 | 2001-01-16 | 259.57 |
| 28 | 2452183 | 2001-09-30 | 259.57 |
| 29 | 2452451 | 2002-06-25 | 260.21 |
| 30 | 2452706 | 2003-03-07 | 260.71 |
| 31 | 2452968 | 2003-11-24 | 261.29 |
| 32 | 2453230 | 2004-08-12 | 261.57 |
| 33 | 2453495 | 2005-05-04 | 261.36 |
| 34 | 2453749 | 2006-01-13 | 262.07 |
| 35 | 2454018 | 2006-10-09 | 262.57 |
| 36 | 2454278 | 2007-06-26 | 261.64 |
| 37 | 2454538 | 2008-03-12 | 261 |
| 38 | 2454805 | 2008-12-04 | 261 |
| 39 | 2455069 | 2009-08-25 | 260.5 |
| 40 | 2455319 | 2010-05-02 | 261.21 |
| 41 | 2455579 | 2011-01-17 | 261.5 |
| 42 | 2455842 | 2011-10-07 | 260.43 |
| 43 | 2456101 | 2012-06-22 | 260.71 |
| 44 | 2456372 | 2013-03-20 | 261.57 |
| 45 | 2456632 | 2013-12-05 | 262.36 |
| 46 | 2456888 | 2014-08-18 | 263.57 |
| 47 | 2457150 | 2015-05-07 | 262.43 |
| 48 | 2457410 | 2016-01-22 | 260.86 |
| 49 | 2457684 | 2016-10-22 | 261.21 |
| 50 | 2457949 | 2017-07-14 | 261.5 |
| 51 | 2458198 | 2018-03-20 | 261 |
| 52 | 2458458 | 2018-12-05 | 260.29 |
| 53 | 2458719 | 2019-08-23 | 259.57 |
| 54 | 2458980 | 2020-05-10 | 259.59 |
| 55 | 2459234 | 2021-01-19 | 260.57 |
| 56 | 2459504 | 2021-10-16 | 260.58 |
| 57 | 2459763 | 2022-07-02 | 260.5 |
| 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. |