| E | O (JD) | O (dat) | Period |
| -119 | 2411228 | 1889-08-13 | 258.81 |
| -118 | 2411475 | 1890-04-17 | 257.17 |
| -116 | 2411997 | 1891-09-21 | 256.74 |
| -115 | 2412255 | 1892-06-05 | 257.76 |
| -113 | 2412774 | 1893-11-06 | 257.9 |
| -112 | 2413018 | 1894-07-08 | 257.63 |
| -111 | 2413287 | 1895-04-03 | 256.06 |
| -109 | 2413803 | 1896-08-31 | 255.82 |
| -108 | 2414058 | 1897-05-13 | 257.94 |
| -107 | 2414309 | 1898-01-19 | 258.63 |
| -106 | 2414552 | 1898-09-19 | 257.87 |
| -105 | 2414826 | 1899-06-20 | 258.93 |
| -104 | 2415093 | 1900-03-14 | 260.57 |
| -103 | 2415350 | 1900-11-26 | 262 |
| -102 | 2415608 | 1901-08-11 | 262.64 |
| -101 | 2415878 | 1902-05-08 | 261.28 |
| -100 | 2416137 | 1903-01-22 | 260.23 |
| -99 | 2416392 | 1903-10-04 | 259.82 |
| -98 | 2416663 | 1904-07-01 | 259.13 |
| -93 | 2417959 | 1908-01-18 | 258.58 |
| -92 | 2418209 | 1908-09-24 | 258.83 |
| -91 | 2418465 | 1909-06-07 | 258.63 |
| -88 | 2419240 | 1911-07-22 | 258 |
| -82 | 2420791 | 1915-10-20 | 258.12 |
| -81 | 2421056 | 1916-07-11 | 258.41 |
| -78 | 2421827 | 1918-08-21 | 258.4 |
| -77 | 2422083 | 1919-05-04 | 258.48 |
| -76 | 2422345 | 1920-01-21 | 258.56 |
| -75 | 2422598 | 1920-09-30 | 258.87 |
| -74 | 2422859 | 1921-06-18 | 259.79 |
| -73 | 2423117 | 1922-03-03 | 260.07 |
| -72 | 2423384 | 1922-11-25 | 260.71 |
| -71 | 2423641 | 1923-08-09 | 261.29 |
| -70 | 2423906 | 1924-04-30 | 260.57 |
| -69 | 2424163 | 1925-01-12 | 260.07 |
| -68 | 2424430 | 1925-10-06 | 259.57 |
| -67 | 2424685 | 1926-06-18 | 259.29 |
| -66 | 2424939 | 1927-02-27 | 259.43 |
| -65 | 2425203 | 1927-11-18 | 258.79 |
| -64 | 2425456 | 1928-07-28 | 258.14 |
| -63 | 2425721 | 1929-04-19 | 258.14 |
| -62 | 2425980 | 1930-01-03 | 257.64 |
| -61 | 2426236 | 1930-09-16 | 258 |
| -60 | 2426493 | 1931-05-31 | 258.57 |
| -59 | 2426745 | 1932-02-07 | 258.21 |
| -58 | 2427004 | 1932-10-23 | 258 |
| -57 | 2427267 | 1933-07-13 | 258.29 |
| -56 | 2427530 | 1934-04-02 | 259.14 |
| -55 | 2427786 | 1934-12-14 | 259.43 |
| -54 | 2428042 | 1935-08-27 | 258.71 |
| -53 | 2428303 | 1936-05-14 | 257.57 |
| -52 | 2428563 | 1937-01-29 | 257.36 |
| -51 | 2428818 | 1937-10-11 | 258.43 |
| -50 | 2429075 | 1938-06-25 | 258.29 |
| -49 | 2429328 | 1939-03-05 | 257.5 |
| -48 | 2429591 | 1939-11-23 | 258.29 |
| -47 | 2429855 | 1940-08-13 | 259.29 |
| -46 | 2430106 | 1941-04-21 | 259.29 |
| -45 | 2430365 | 1942-01-05 | 259.07 |
| -44 | 2430632 | 1942-09-29 | 258.21 |
| -43 | 2430891 | 1943-06-15 | 258.14 |
| -42 | 2431142 | 1944-02-21 | 258.43 |
| -41 | 2431404 | 1944-11-09 | 258.07 |
| -40 | 2431657 | 1945-07-20 | 257.64 |
| -39 | 2431918 | 1946-04-07 | 257.93 |
| -38 | 2432171 | 1946-12-16 | 258.64 |
| -37 | 2432439 | 1947-09-10 | 258.64 |
| -36 | 2432691 | 1948-05-19 | 258.36 |
| -35 | 2432953 | 1949-02-05 | 258.79 |
| -34 | 2433214 | 1949-10-24 | 259.14 |
| -33 | 2433468 | 1950-07-05 | 259 |
| -32 | 2433724 | 1951-03-18 | 259.07 |
| -31 | 2433988 | 1951-12-07 | 258.79 |
| -30 | 2434250 | 1952-08-25 | 258.93 |
| -29 | 2434506 | 1953-05-08 | 259.86 |
| -28 | 2434765 | 1954-01-22 | 260.36 |
| -27 | 2435025 | 1954-10-09 | 260.07 |
| -26 | 2435282 | 1955-06-23 | 260.36 |
| -25 | 2435548 | 1956-03-15 | 260.64 |
| -24 | 2435809 | 1956-12-01 | 260.93 |
| -23 | 2436070 | 1957-08-19 | 261.29 |
| -22 | 2436331 | 1958-05-07 | 261.14 |
| -21 | 2436589 | 1959-01-20 | 261.21 |
| -20 | 2436854 | 1959-10-12 | 261.43 |
| -19 | 2437111 | 1960-06-25 | 260.93 |
| -18 | 2437375 | 1961-03-16 | 260.5 |
| -17 | 2437639 | 1961-12-05 | 260.21 |
| -16 | 2437900 | 1962-08-23 | 260.07 |
| -15 | 2438154 | 1963-05-04 | 259.5 |
| -14 | 2438413 | 1964-01-18 | 258.57 |
| -13 | 2438673 | 1964-10-04 | 258.5 |
| -12 | 2438933 | 1965-06-21 | 259.29 |
| -11 | 2439186 | 1966-03-01 | 260.21 |
| -10 | 2439448 | 1966-11-18 | 259.71 |
| -9 | 2439710 | 1967-08-07 | 259 |
| -8 | 2439974 | 1968-04-27 | 259 |
| -7 | 2440236 | 1969-01-14 | 259.79 |
| -6 | 2440486 | 1969-09-21 | 260.14 |
| -5 | 2440746 | 1970-06-08 | 259.21 |
| -4 | 2440999 | 1971-02-16 | 257.71 |
| -3 | 2441272 | 1971-11-16 | 257.07 |
| -2 | 2441528 | 1972-07-29 | 257.71 |
| -1 | 2441785 | 1973-04-12 | 258.36 |
| 0 | 2442033 | 1973-12-16 | 257.29 |
| 1 | 2442288 | 1974-08-28 | 256.71 |
| 2 | 2442552 | 1975-05-19 | 257.57 |
| 3 | 2442810 | 1976-02-01 | 258.07 |
| 4 | 2443063 | 1976-10-11 | 258.86 |
| 5 | 2443331 | 1977-07-06 | 259 |
| 6 | 2443588 | 1978-03-20 | 258.64 |
| 7 | 2443843 | 1978-11-30 | 258.86 |
| 8 | 2444102 | 1979-08-16 | 258.71 |
| 9 | 2444364 | 1980-05-04 | 257.93 |
| 10 | 2444619 | 1981-01-14 | 257.5 |
| 11 | 2444878 | 1981-09-30 | 257 |
| 12 | 2445138 | 1982-06-17 | 256.71 |
| 13 | 2445392 | 1983-02-26 | 257.79 |
| 14 | 2445644 | 1983-11-05 | 258.29 |
| 15 | 2445899 | 1984-07-17 | 257.64 |
| 16 | 2446161 | 1985-04-05 | 258.29 |
| 17 | 2446431 | 1985-12-31 | 259.14 |
| 18 | 2446682 | 1986-09-08 | 260.21 |
| 19 | 2446941 | 1987-05-25 | 260.93 |
| 20 | 2447205 | 1988-02-13 | 259.86 |
| 21 | 2447459 | 1988-10-24 | 259.93 |
| 22 | 2447727 | 1989-07-19 | 260.57 |
| 23 | 2447986 | 1990-04-04 | 259.93 |
| 24 | 2448244 | 1990-12-18 | 259.93 |
| 25 | 2448508 | 1991-09-08 | 259.57 |
| 26 | 2448763 | 1992-05-20 | 258.86 |
| 27 | 2449022 | 1993-02-03 | 259.29 |
| 28 | 2449281 | 1993-10-20 | 258.36 |
| 29 | 2449539 | 1994-07-05 | 257.36 |
| 30 | 2449798 | 1995-03-21 | 257.29 |
| 31 | 2450062 | 1995-12-10 | 257.57 |
| 32 | 2450307 | 1996-08-11 | 258.36 |
| 33 | 2450567 | 1997-04-28 | 258.21 |
| 34 | 2450820 | 1998-01-06 | 258.21 |
| 35 | 2451089 | 1998-10-02 | 259.64 |
| 36 | 2451348 | 1999-06-18 | 260.71 |
| 37 | 2451604 | 2000-02-29 | 261.21 |
| 38 | 2451871 | 2000-11-22 | 260.79 |
| 39 | 2452133 | 2001-08-11 | 259.21 |
| 40 | 2452391 | 2002-04-26 | 258.86 |
| 41 | 2452653 | 2003-01-13 | 258.14 |
| 42 | 2452907 | 2003-09-24 | 257.36 |
| 43 | 2453159 | 2004-06-02 | 256.86 |
| 44 | 2453417 | 2005-02-15 | 256.21 |
| 45 | 2453672 | 2005-10-28 | 256.86 |
| 46 | 2453935 | 2006-07-18 | 257.29 |
| 47 | 2454185 | 2007-03-25 | 257.29 |
| 48 | 2454446 | 2007-12-11 | 257.79 |
| 49 | 2454710 | 2008-08-31 | 258 |
| 50 | 2454958 | 2009-05-06 | 258.5 |
| 51 | 2455220 | 2010-01-23 | 258.43 |
| 52 | 2455478 | 2010-10-08 | 257.64 |
| 53 | 2455741 | 2011-06-28 | 257.64 |
| 54 | 2455998 | 2012-03-11 | 257.36 |
| 55 | 2456251 | 2012-11-19 | 257.36 |
| 56 | 2456512 | 2013-08-07 | 257.57 |
| 57 | 2456763 | 2014-04-15 | 256.64 |
| 58 | 2457018 | 2014-12-26 | 256.57 |
| 59 | 2457283 | 2015-09-17 | 257.07 |
| 60 | 2457542 | 2016-06-02 | 257.57 |
| 61 | 2457790 | 2017-02-05 | 257.93 |
| 62 | 2458051 | 2017-10-24 | 257.14 |
| 63 | 2458311 | 2018-07-11 | 256.14 |
| 64 | 2458570 | 2019-03-27 | 256.36 |
| 65 | 2458822 | 2019-12-04 | 256.71 |
| 66 | 2459079 | 2020-08-17 | 256.22 |
| 67 | 2459332 | 2021-04-27 | 255.17 |
| 68 | 2459589 | 2022-01-09 | 255.17 |
| 69 | 2459846 | 2022-09-23 | 255.8 |
| 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. |