| E | O (JD) | O (dat) | Period |
| -95 | 2414378 | 1898-03-29 | 285.91 |
| -94 | 2414650 | 1898-12-26 | 285.92 |
| -91 | 2415515 | 1901-05-10 | 285 |
| -90 | 2415803 | 1902-02-22 | 284.09 |
| -87 | 2416659 | 1904-06-27 | 284 |
| -86 | 2416945 | 1905-04-09 | 283.54 |
| -85 | 2417220 | 1906-01-09 | 282.72 |
| -83 | 2417788 | 1907-07-31 | 280.91 |
| -82 | 2418056 | 1908-04-24 | 279.32 |
| -81 | 2418347 | 1909-02-09 | 279.5 |
| -79 | 2418908 | 1910-08-24 | 278.35 |
| -77 | 2419453 | 1912-02-20 | 278.41 |
| -74 | 2420296 | 1914-06-12 | 279.91 |
| -73 | 2420577 | 1915-03-20 | 279.76 |
| -72 | 2420833 | 1915-12-01 | 280 |
| -71 | 2421136 | 1916-09-29 | 280.25 |
| -70 | 2421425 | 1917-07-15 | 280.35 |
| -69 | 2421705 | 1918-04-21 | 282.57 |
| -68 | 2421976 | 1919-01-17 | 283.15 |
| -67 | 2422257 | 1919-10-25 | 281.08 |
| -66 | 2422541 | 1920-08-04 | 280.57 |
| -65 | 2422825 | 1921-05-15 | 281.14 |
| -64 | 2423108 | 1922-02-22 | 281.43 |
| -63 | 2423388 | 1922-11-29 | 281.08 |
| -62 | 2423670 | 1923-09-07 | 280 |
| -61 | 2423947 | 1924-06-10 | 279 |
| -60 | 2424226 | 1925-03-16 | 279 |
| -59 | 2424507 | 1925-12-22 | 279.35 |
| -58 | 2424779 | 1926-09-20 | 278.65 |
| -57 | 2425060 | 1927-06-28 | 278.22 |
| -56 | 2425342 | 1928-04-05 | 278.43 |
| -55 | 2425627 | 1929-01-15 | 278.07 |
| -54 | 2425891 | 1929-10-06 | 278.07 |
| -53 | 2426177 | 1930-07-19 | 278.72 |
| -52 | 2426454 | 1931-04-22 | 279.08 |
| -51 | 2426725 | 1932-01-18 | 279.85 |
| -50 | 2427007 | 1932-10-26 | 280.64 |
| -49 | 2427297 | 1933-08-12 | 280.35 |
| -48 | 2427579 | 1934-05-21 | 280.58 |
| -47 | 2427857 | 1935-02-23 | 281 |
| -46 | 2428140 | 1935-12-03 | 280.57 |
| -45 | 2428416 | 1936-09-04 | 280.53 |
| -44 | 2428691 | 1937-06-06 | 281.38 |
| -43 | 2428975 | 1938-03-17 | 281.44 |
| -42 | 2429257 | 1938-12-24 | 281.76 |
| -40 | 2429827 | 1940-07-16 | 282.5 |
| -39 | 2430111 | 1941-04-26 | 282.28 |
| -38 | 2430389 | 1942-01-29 | 282.11 |
| -36 | 2430957 | 1943-08-20 | 281.53 |
| -35 | 2431235 | 1944-05-24 | 280.37 |
| -34 | 2431512 | 1945-02-25 | 280.37 |
| -33 | 2431798 | 1945-12-08 | 279.94 |
| -32 | 2432072 | 1946-09-08 | 280.15 |
| -31 | 2432352 | 1947-06-15 | 281.14 |
| -30 | 2432634 | 1948-03-23 | 280.93 |
| -29 | 2432911 | 1948-12-25 | 281.07 |
| -28 | 2433203 | 1949-10-13 | 282.36 |
| -27 | 2433480 | 1950-07-17 | 283.72 |
| -26 | 2433763 | 1951-04-26 | 284.5 |
| -25 | 2434042 | 1952-01-30 | 283.93 |
| -24 | 2434335 | 1952-11-18 | 283.35 |
| -23 | 2434623 | 1953-09-02 | 283.58 |
| -22 | 2434905 | 1954-06-11 | 284.58 |
| -21 | 2435184 | 1955-03-17 | 284.07 |
| -20 | 2435466 | 1955-12-24 | 281.78 |
| -19 | 2435747 | 1956-09-30 | 282.21 |
| -18 | 2436042 | 1957-07-22 | 282.15 |
| -17 | 2436312 | 1958-04-18 | 281.5 |
| -16 | 2436591 | 1959-01-22 | 282.5 |
| -15 | 2436888 | 1959-11-15 | 281.57 |
| -14 | 2437151 | 1960-08-04 | 280.71 |
| -13 | 2437440 | 1961-05-20 | 281.72 |
| -12 | 2437728 | 1962-03-04 | 280.65 |
| -11 | 2438003 | 1962-12-04 | 281.14 |
| -10 | 2438281 | 1963-09-08 | 282.28 |
| -9 | 2438566 | 1964-06-19 | 281.35 |
| -8 | 2438842 | 1965-03-22 | 281.86 |
| -7 | 2439133 | 1966-01-07 | 281.86 |
| -6 | 2439410 | 1966-10-11 | 280.93 |
| -5 | 2439697 | 1967-07-25 | 281.57 |
| -4 | 2439980 | 1968-05-03 | 281.5 |
| -3 | 2440250 | 1969-01-28 | 281.5 |
| -2 | 2440530 | 1969-11-04 | 282.22 |
| -1 | 2440820 | 1970-08-21 | 281.5 |
| 0 | 2441096 | 1971-05-24 | 281.21 |
| 1 | 2441388 | 1972-03-11 | 281.43 |
| 2 | 2441670 | 1972-12-18 | 280.86 |
| 3 | 2441948 | 1973-09-22 | 280.08 |
| 4 | 2442219 | 1974-06-20 | 279.71 |
| 5 | 2442501 | 1975-03-29 | 279.64 |
| 6 | 2442781 | 1976-01-03 | 279.71 |
| 7 | 2443056 | 1976-10-04 | 280.22 |
| 8 | 2443344 | 1977-07-19 | 280.72 |
| 9 | 2443629 | 1978-04-30 | 280.07 |
| 10 | 2443905 | 1979-01-31 | 280.64 |
| 11 | 2444185 | 1979-11-07 | 281 |
| 12 | 2444465 | 1980-08-13 | 279.72 |
| 13 | 2444738 | 1981-05-13 | 279.72 |
| 14 | 2445028 | 1982-02-27 | 280.57 |
| 15 | 2445306 | 1982-12-02 | 280.64 |
| 16 | 2445583 | 1983-09-05 | 281.43 |
| 17 | 2445867 | 1984-06-15 | 281.72 |
| 18 | 2446151 | 1985-03-26 | 281.22 |
| 19 | 2446428 | 1985-12-28 | 281.35 |
| 20 | 2446715 | 1986-10-11 | 280.85 |
| 21 | 2446995 | 1987-07-18 | 279.71 |
| 22 | 2447276 | 1988-04-24 | 279.29 |
| 23 | 2447552 | 1989-01-25 | 279.36 |
| 24 | 2447830 | 1989-10-30 | 279 |
| 25 | 2448104 | 1990-07-31 | 278.57 |
| 26 | 2448385 | 1991-05-08 | 278.93 |
| 27 | 2448669 | 1992-02-16 | 279.58 |
| 28 | 2448947 | 1992-11-20 | 280 |
| 29 | 2449224 | 1993-08-24 | 280 |
| 30 | 2449509 | 1994-06-05 | 279.14 |
| 31 | 2449787 | 1995-03-10 | 278.85 |
| 32 | 2450067 | 1995-12-15 | 279.5 |
| 33 | 2450342 | 1996-09-15 | 279.58 |
| 34 | 2450620 | 1997-06-20 | 279.57 |
| 35 | 2450900 | 1998-03-27 | 279.64 |
| 36 | 2451184 | 1999-01-05 | 280.07 |
| 37 | 2451463 | 1999-10-11 | 280.79 |
| 38 | 2451747 | 2000-07-21 | 280.79 |
| 39 | 2452022 | 2001-04-22 | 280.93 |
| 40 | 2452308 | 2002-02-02 | 280.85 |
| 41 | 2452585 | 2002-11-06 | 281.35 |
| 42 | 2452866 | 2003-08-14 | 282.29 |
| 43 | 2453151 | 2004-05-25 | 281.86 |
| 44 | 2453428 | 2005-02-26 | 281.5 |
| 45 | 2453721 | 2005-12-16 | 281.93 |
| 46 | 2454000 | 2006-09-21 | 281.71 |
| 47 | 2454276 | 2007-06-24 | 281.15 |
| 48 | 2454558 | 2008-04-01 | 279.72 |
| 49 | 2454840 | 2009-01-08 | 278.78 |
| 50 | 2455121 | 2009-10-16 | 279.71 |
| 51 | 2455394 | 2010-07-16 | 280 |
| 52 | 2455671 | 2011-04-19 | 279.58 |
| 53 | 2455953 | 2012-01-26 | 279.93 |
| 54 | 2456239 | 2012-11-07 | 281.07 |
| 55 | 2456515 | 2013-08-10 | 282.71 |
| 56 | 2456797 | 2014-05-19 | 283.43 |
| 57 | 2457083 | 2015-03-01 | 283.79 |
| 58 | 2457367 | 2015-12-10 | 284.22 |
| 59 | 2457656 | 2016-09-24 | 284.71 |
| 60 | 2457936 | 2017-07-01 | 284.5 |
| 61 | 2458229 | 2018-04-20 | 284.57 |
| 62 | 2458504 | 2019-01-20 | 284.72 |
| 63 | 2458794 | 2019-11-06 | 284.41 |
| 64 | 2459069 | 2020-08-07 | 283.62 |
| 65 | 2459365 | 2021-05-30 | 283.83 |
| 66 | 2459644 | 2022-03-05 | 285.61 |
| 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. |