| E | O (JD) | O (dat) | Period |
| -101 | 2410660 | 1888-01-23 | 300.4 |
| -92 | 2413355 | 1895-06-10 | 300.59 |
| -91 | 2413658 | 1896-04-08 | 300.69 |
| -90 | 2413960 | 1897-02-04 | 301.35 |
| -86 | 2415160 | 1900-05-20 | 301.82 |
| -85 | 2415470 | 1901-03-26 | 302.32 |
| -84 | 2415770 | 1902-01-20 | 304.49 |
| -83 | 2416070 | 1902-11-16 | 304.44 |
| -80 | 2416995 | 1905-05-29 | 303.85 |
| -79 | 2417301 | 1906-03-31 | 304.44 |
| -78 | 2417615 | 1907-02-08 | 303.9 |
| -77 | 2417933 | 1907-12-23 | 302.97 |
| -76 | 2418201 | 1908-09-16 | 302.72 |
| -75 | 2418481 | 1909-06-23 | 302.04 |
| -74 | 2418820 | 1910-05-28 | 302.05 |
| -72 | 2419417 | 1912-01-15 | 301.71 |
| -71 | 2419703 | 1912-10-27 | 302.08 |
| -69 | 2420331 | 1914-07-17 | 302.49 |
| -68 | 2420632 | 1915-05-14 | 301.69 |
| -67 | 2420933 | 1916-03-10 | 300.25 |
| -66 | 2421223 | 1916-12-25 | 300.67 |
| -65 | 2421531 | 1917-10-29 | 300.87 |
| -64 | 2421811 | 1918-08-05 | 299.96 |
| -63 | 2422110 | 1919-05-31 | 299.47 |
| -62 | 2422425 | 1920-04-10 | 299.85 |
| -61 | 2422733 | 1921-02-12 | 300.72 |
| -60 | 2423034 | 1921-12-10 | 301.08 |
| -59 | 2423332 | 1922-10-04 | 301.83 |
| -58 | 2423611 | 1923-07-10 | 301.63 |
| -57 | 2423925 | 1924-05-19 | 301.71 |
| -56 | 2424233 | 1925-03-23 | 301.64 |
| -55 | 2424534 | 1926-01-18 | 302.69 |
| -54 | 2424835 | 1926-11-15 | 303.35 |
| -53 | 2425139 | 1927-09-15 | 303.79 |
| -52 | 2425452 | 1928-07-24 | 303.57 |
| -51 | 2425739 | 1929-05-07 | 304.28 |
| -50 | 2426057 | 1930-03-21 | 304.72 |
| -49 | 2426352 | 1931-01-10 | 305.11 |
| -48 | 2426653 | 1931-11-07 | 305.45 |
| -47 | 2426968 | 1932-09-17 | 305.46 |
| -46 | 2427283 | 1933-07-29 | 305.96 |
| -45 | 2427579 | 1934-05-21 | 305.5 |
| -44 | 2427886 | 1935-03-24 | 305.43 |
| -43 | 2428194 | 1936-01-26 | 304.65 |
| -42 | 2428494 | 1936-11-21 | 303.51 |
| -41 | 2428800 | 1937-09-23 | 302.98 |
| -40 | 2429104 | 1938-07-24 | 302.88 |
| -39 | 2429404 | 1939-05-20 | 302.4 |
| -38 | 2429704 | 1940-03-15 | 302.17 |
| -37 | 2430005 | 1941-01-10 | 301.96 |
| -36 | 2430311 | 1941-11-12 | 301.62 |
| -35 | 2430611 | 1942-09-08 | 301.77 |
| -34 | 2430913 | 1943-07-07 | 302.12 |
| -33 | 2431217 | 1944-05-06 | 301.94 |
| -32 | 2431514 | 1945-02-27 | 301.75 |
| -31 | 2431815 | 1945-12-25 | 301.57 |
| -30 | 2432123 | 1946-10-29 | 301.99 |
| -29 | 2432427 | 1947-08-29 | 302.36 |
| -28 | 2432720 | 1948-06-17 | 301.85 |
| -27 | 2433023 | 1949-04-16 | 301.65 |
| -26 | 2433326 | 1950-02-13 | 301.31 |
| -25 | 2433636 | 1950-12-20 | 300.96 |
| -24 | 2433940 | 1951-10-20 | 300.35 |
| -23 | 2434224 | 1952-07-30 | 299.65 |
| -22 | 2434528 | 1953-05-30 | 298.91 |
| -21 | 2434831 | 1954-03-29 | 298.48 |
| -20 | 2435133 | 1955-01-25 | 298.18 |
| -19 | 2435421 | 1955-11-09 | 297.97 |
| -18 | 2435714 | 1956-08-28 | 297.49 |
| -17 | 2436019 | 1957-06-29 | 296.42 |
| -16 | 2436322 | 1958-04-28 | 296.05 |
| -15 | 2436621 | 1959-02-21 | 295.32 |
| -14 | 2436910 | 1959-12-07 | 295.42 |
| -13 | 2437194 | 1960-09-16 | 294.24 |
| -12 | 2437491 | 1961-07-10 | 292.88 |
| -11 | 2437795 | 1962-05-10 | 292.52 |
| -10 | 2438077 | 1963-02-16 | 292.96 |
| -9 | 2438382 | 1963-12-18 | 293.84 |
| -8 | 2438658 | 1964-09-19 | 294.93 |
| -7 | 2438950 | 1965-07-08 | 296.01 |
| -6 | 2439253 | 1966-05-07 | 296.3 |
| -5 | 2439554 | 1967-03-04 | 296.79 |
| -4 | 2439851 | 1967-12-26 | 297.41 |
| -3 | 2440155 | 1968-10-25 | 298.95 |
| -2 | 2440463 | 1969-08-29 | 299.77 |
| -1 | 2440743 | 1970-06-05 | 299.86 |
| 0 | 2441033 | 1971-03-22 | 299.26 |
| 1 | 2441345 | 1972-01-28 | 299.78 |
| 2 | 2441653 | 1972-12-01 | 299.66 |
| 3 | 2441960 | 1973-10-04 | 300.31 |
| 4 | 2442254 | 1974-07-25 | 301.24 |
| 5 | 2442536 | 1975-05-03 | 300.56 |
| 6 | 2442856 | 1976-03-18 | 299.45 |
| 7 | 2443146 | 1977-01-02 | 298.91 |
| 8 | 2443457 | 1977-11-09 | 298.59 |
| 9 | 2443754 | 1978-09-02 | 299.02 |
| 10 | 2444041 | 1979-06-16 | 299.55 |
| 11 | 2444343 | 1980-04-13 | 299 |
| 12 | 2444643 | 1981-02-07 | 299.77 |
| 13 | 2444938 | 1981-11-29 | 300.12 |
| 14 | 2445243 | 1982-09-30 | 301.35 |
| 15 | 2445549 | 1983-08-02 | 302.13 |
| 16 | 2445846 | 1984-05-25 | 302.48 |
| 17 | 2446153 | 1985-03-28 | 303.32 |
| 18 | 2446455 | 1986-01-24 | 303.79 |
| 19 | 2446763 | 1986-11-28 | 303.82 |
| 20 | 2447058 | 1987-09-19 | 303.69 |
| 21 | 2447365 | 1988-07-22 | 304.02 |
| 22 | 2447678 | 1989-05-31 | 304.36 |
| 23 | 2447977 | 1990-03-26 | 304.32 |
| 24 | 2448280 | 1991-01-23 | 303.73 |
| 25 | 2448579 | 1991-11-18 | 303.58 |
| 26 | 2448889 | 1992-09-23 | 303.09 |
| 27 | 2449201 | 1993-08-01 | 302.86 |
| 28 | 2449495 | 1994-05-22 | 303.1 |
| 29 | 2449789 | 1995-03-12 | 303.17 |
| 30 | 2450096 | 1996-01-13 | 302.85 |
| 31 | 2450401 | 1996-11-13 | 302.02 |
| 32 | 2450707 | 1997-09-15 | 301.5 |
| 33 | 2451010 | 1998-07-15 | 301.49 |
| 34 | 2451314 | 1999-05-15 | 301.57 |
| 35 | 2451609 | 2000-03-05 | 300.74 |
| 36 | 2451905 | 2000-12-26 | 300.22 |
| 37 | 2452205 | 2001-10-22 | 299.59 |
| 38 | 2452505 | 2002-08-18 | 299.01 |
| 39 | 2452815 | 2003-06-24 | 299.01 |
| 40 | 2453106 | 2004-04-10 | 299.29 |
| 41 | 2453408 | 2005-02-06 | 299.04 |
| 42 | 2453702 | 2005-11-27 | 299.01 |
| 43 | 2453996 | 2006-09-17 | 299.05 |
| 44 | 2454303 | 2007-07-21 | 299.21 |
| 45 | 2454603 | 2008-05-16 | 300.36 |
| 46 | 2454895 | 2009-03-04 | 301.03 |
| 47 | 2455202 | 2010-01-05 | 301.4 |
| 48 | 2455503 | 2010-11-02 | 301.08 |
| 49 | 2455805 | 2011-08-31 | 300.64 |
| 50 | 2456115 | 2012-07-06 | 300.23 |
| 51 | 2456415 | 2013-05-02 | 300.23 |
| 52 | 2456708 | 2014-02-19 | 299.35 |
| 53 | 2457000 | 2014-12-08 | 298.66 |
| 54 | 2457304 | 2015-10-08 | 297.97 |
| 55 | 2457598 | 2016-07-28 | 297.51 |
| 56 | 2457906 | 2017-06-01 | 298 |
| 57 | 2458197 | 2018-03-19 | 298.75 |
| 58 | 2458493 | 2019-01-09 | 299.55 |
| 59 | 2458790 | 2019-11-02 | 299.59 |
| 60 | 2459090 | 2020-08-28 | 299.34 |
| 61 | 2459396 | 2021-06-30 | 299.27 |
| 62 | 2459698 | 2022-04-28 | 299.88 |
| 63 | 2460004 | 2023-02-28 | 300.13 |
| 64 | 2460296 | 2023-12-17 | 300.07 |
| 65 | 2460584 | 2024-09-30 | 299.31 |
| 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. |