| E | O (JD) | O (dat) | Period |
| -129 | 2412700 | 1893-08-24 | 249.57 |
| -121 | 2414690 | 1899-02-04 | 248.8 |
| -117 | 2415700 | 1901-11-11 | 249.1 |
| -116 | 2415946 | 1902-07-15 | 250.72 |
| -115 | 2416194 | 1903-03-20 | 251.17 |
| -114 | 2416434 | 1903-11-15 | 250.53 |
| -113 | 2416697 | 1904-08-04 | 250.87 |
| -111 | 2417214 | 1906-01-03 | 251.81 |
| -110 | 2417460 | 1906-09-06 | 251.37 |
| -109 | 2417690 | 1907-04-24 | 251.19 |
| -108 | 2417970 | 1908-01-29 | 249.07 |
| -107 | 2418199 | 1908-09-14 | 247.75 |
| -106 | 2418451 | 1909-05-24 | 249.05 |
| -105 | 2418699 | 1910-01-27 | 249.24 |
| -104 | 2418948 | 1910-10-03 | 249.73 |
| -101 | 2419690 | 1912-10-14 | 250.92 |
| -97 | 2420690 | 1915-07-11 | 251.19 |
| -95 | 2421201 | 1916-12-03 | 250.92 |
| -94 | 2421461 | 1917-08-20 | 251.33 |
| -93 | 2421713 | 1918-04-29 | 252.84 |
| -92 | 2421968 | 1919-01-09 | 253.67 |
| -91 | 2422203 | 1919-09-01 | 253 |
| -90 | 2422467 | 1920-05-22 | 252.43 |
| -89 | 2422717 | 1921-01-27 | 252.29 |
| -88 | 2422979 | 1921-10-16 | 252.86 |
| -87 | 2423225 | 1922-06-19 | 253.5 |
| -86 | 2423483 | 1923-03-04 | 252.86 |
| -85 | 2423730 | 1923-11-06 | 251.57 |
| -84 | 2423981 | 1924-07-14 | 251 |
| -83 | 2424238 | 1925-03-28 | 251.29 |
| -82 | 2424486 | 1925-12-01 | 251.71 |
| -81 | 2424732 | 1926-08-04 | 252.57 |
| -80 | 2424986 | 1927-04-15 | 252.64 |
| -79 | 2425240 | 1927-12-25 | 251.64 |
| -78 | 2425497 | 1928-09-07 | 250.93 |
| -77 | 2425750 | 1929-05-18 | 251.5 |
| -76 | 2426006 | 1930-01-29 | 251.21 |
| -75 | 2426241 | 1930-09-21 | 250.64 |
| -74 | 2426490 | 1931-05-28 | 250.5 |
| -73 | 2426749 | 1932-02-11 | 249.29 |
| -72 | 2426994 | 1932-10-13 | 249 |
| -71 | 2427252 | 1933-06-28 | 250.64 |
| -70 | 2427502 | 1934-03-05 | 250.93 |
| -69 | 2427744 | 1934-11-02 | 249.86 |
| -68 | 2427989 | 1935-07-05 | 248.93 |
| -67 | 2428251 | 1936-03-23 | 248.29 |
| -66 | 2428501 | 1936-11-28 | 248.71 |
| -65 | 2428740 | 1937-07-25 | 250.14 |
| -64 | 2428991 | 1938-04-02 | 249.79 |
| -63 | 2429239 | 1938-12-06 | 248.79 |
| -62 | 2429489 | 1939-08-13 | 251 |
| -61 | 2429746 | 1940-04-26 | 253 |
| -60 | 2429991 | 1940-12-27 | 251.86 |
| -59 | 2430244 | 1941-09-06 | 250.86 |
| -58 | 2430511 | 1942-05-31 | 250 |
| -57 | 2430762 | 1943-02-06 | 249.62 |
| -56 | 2430994 | 1943-09-26 | 249.47 |
| -55 | 2431246 | 1944-06-04 | 248.33 |
| -53 | 2431739 | 1945-10-10 | 248 |
| -52 | 2431992 | 1946-06-20 | 249.28 |
| -50 | 2432484 | 1947-10-25 | 250.39 |
| -49 | 2432741 | 1948-07-08 | 250.82 |
| -48 | 2432996 | 1949-03-20 | 251.12 |
| -47 | 2433247 | 1949-11-26 | 251.53 |
| -46 | 2433500 | 1950-08-06 | 251.79 |
| -45 | 2433749 | 1951-04-12 | 251.07 |
| -44 | 2434000 | 1951-12-19 | 251.36 |
| -43 | 2434249 | 1952-08-24 | 251.43 |
| -42 | 2434501 | 1953-05-03 | 251 |
| -41 | 2434751 | 1954-01-08 | 251.57 |
| -40 | 2435011 | 1954-09-25 | 252.5 |
| -39 | 2435256 | 1955-05-28 | 252.5 |
| -38 | 2435507 | 1956-02-03 | 252.5 |
| -37 | 2435764 | 1956-10-17 | 252.36 |
| -36 | 2436020 | 1957-06-30 | 252.29 |
| -35 | 2436265 | 1958-03-02 | 252.43 |
| -34 | 2436522 | 1958-11-14 | 251.29 |
| -33 | 2436773 | 1959-07-23 | 250.43 |
| -32 | 2437026 | 1960-04-01 | 250.64 |
| -31 | 2437271 | 1960-12-02 | 250.64 |
| -30 | 2437518 | 1961-08-06 | 250.21 |
| -29 | 2437772 | 1962-04-17 | 250.21 |
| -28 | 2438022 | 1962-12-23 | 250.86 |
| -27 | 2438274 | 1963-09-01 | 251.79 |
| -26 | 2438524 | 1964-05-08 | 252.14 |
| -25 | 2438778 | 1965-01-17 | 252.93 |
| -24 | 2439031 | 1965-09-27 | 252.93 |
| -23 | 2439283 | 1966-06-06 | 252.36 |
| -22 | 2439537 | 1967-02-15 | 252.64 |
| -21 | 2439798 | 1967-11-03 | 252.29 |
| -20 | 2440039 | 1968-07-01 | 252.5 |
| -19 | 2440292 | 1969-03-11 | 254 |
| -18 | 2440547 | 1969-11-21 | 254.07 |
| -17 | 2440794 | 1970-07-26 | 254 |
| -16 | 2441055 | 1971-04-13 | 254.36 |
| -15 | 2441321 | 1972-01-04 | 254.21 |
| -14 | 2441571 | 1972-09-10 | 254.71 |
| -13 | 2441822 | 1973-05-19 | 254.21 |
| -12 | 2442070 | 1974-01-22 | 252.86 |
| -11 | 2442328 | 1974-10-07 | 252 |
| -10 | 2442579 | 1975-06-15 | 251.86 |
| -9 | 2442829 | 1976-02-20 | 252.14 |
| -8 | 2443087 | 1976-11-04 | 252.21 |
| -7 | 2443333 | 1977-07-08 | 252.36 |
| -6 | 2443586 | 1978-03-18 | 253.07 |
| -5 | 2443836 | 1978-11-23 | 253.71 |
| -4 | 2444093 | 1979-08-07 | 254.29 |
| -3 | 2444347 | 1980-04-17 | 254.57 |
| -2 | 2444604 | 1980-12-30 | 255.14 |
| -1 | 2444864 | 1981-09-16 | 255.64 |
| 0 | 2445116 | 1982-05-26 | 255.14 |
| 1 | 2445367 | 1983-02-01 | 255.07 |
| 2 | 2445627 | 1983-10-19 | 254.86 |
| 3 | 2445881 | 1984-06-29 | 255.07 |
| 4 | 2446131 | 1985-03-06 | 256.5 |
| 5 | 2446391 | 1985-11-21 | 257.14 |
| 6 | 2446645 | 1986-08-02 | 256.79 |
| 7 | 2446906 | 1987-04-20 | 256.79 |
| 8 | 2447168 | 1988-01-07 | 256.14 |
| 9 | 2447426 | 1988-09-21 | 255.14 |
| 10 | 2447677 | 1989-05-30 | 254.64 |
| 11 | 2447930 | 1990-02-07 | 253.93 |
| 12 | 2448178 | 1990-10-13 | 253.21 |
| 13 | 2448430 | 1991-06-22 | 252.5 |
| 14 | 2448686 | 1992-03-04 | 251.71 |
| 15 | 2448943 | 1992-11-16 | 251.07 |
| 16 | 2449196 | 1993-07-27 | 251.07 |
| 17 | 2449442 | 1994-03-30 | 251.21 |
| 18 | 2449689 | 1994-12-02 | 251.29 |
| 19 | 2449934 | 1995-08-04 | 250.64 |
| 20 | 2450189 | 1996-04-15 | 250.57 |
| 21 | 2450444 | 1996-12-26 | 251 |
| 22 | 2450703 | 1997-09-11 | 251.21 |
| 23 | 2450945 | 1998-05-11 | 250.43 |
| 24 | 2451201 | 1999-01-22 | 249.57 |
| 25 | 2451444 | 1999-09-22 | 249.86 |
| 26 | 2451696 | 2000-05-31 | 250.14 |
| 27 | 2451933 | 2001-01-23 | 250.86 |
| 28 | 2452194 | 2001-10-11 | 251.57 |
| 29 | 2452451 | 2002-06-25 | 252.07 |
| 30 | 2452699 | 2003-02-28 | 253.57 |
| 31 | 2452959 | 2003-11-15 | 254.14 |
| 32 | 2453208 | 2004-07-21 | 252.43 |
| 33 | 2453461 | 2005-03-31 | 253 |
| 34 | 2453718 | 2005-12-13 | 254 |
| 35 | 2453967 | 2006-08-19 | 253.79 |
| 36 | 2454212 | 2007-04-21 | 254.36 |
| 37 | 2454480 | 2008-01-14 | 254.57 |
| 38 | 2454734 | 2008-09-24 | 254.71 |
| 39 | 2454986 | 2009-06-03 | 255.64 |
| 40 | 2455244 | 2010-02-16 | 255.71 |
| 41 | 2455499 | 2010-10-29 | 255.86 |
| 42 | 2455752 | 2011-07-09 | 256.86 |
| 43 | 2456006 | 2012-03-19 | 256.5 |
| 44 | 2456266 | 2012-12-04 | 256.21 |
| 45 | 2456530 | 2013-08-25 | 256.14 |
| 46 | 2456786 | 2014-05-08 | 256.14 |
| 47 | 2457035 | 2015-01-12 | 256.21 |
| 48 | 2457295 | 2015-09-29 | 254.14 |
| 49 | 2457542 | 2016-06-02 | 252.79 |
| 50 | 2457802 | 2017-02-17 | 253.57 |
| 51 | 2458057 | 2017-10-30 | 253 |
| 52 | 2458297 | 2018-06-27 | 252.64 |
| 53 | 2458558 | 2019-03-15 | 252.57 |
| 54 | 2458813 | 2019-11-25 | 251.43 |
| 55 | 2459059 | 2020-07-28 | 252.13 |
| 56 | 2459315 | 2021-04-10 | 253.06 |
| 57 | 2459565 | 2021-12-16 | 250.92 |
| 58 | 2459814 | 2022-08-22 | 250.1 |
| 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. |