| E | O (JD) | O (dat) | Period |
| -69 | 2413150 | 1894-11-17 | 393.8 |
| -68 | 2413496 | 1895-10-29 | 394.43 |
| -63 | 2415481 | 1901-04-06 | 394.33 |
| -62 | 2415862 | 1902-04-22 | 394.15 |
| -61 | 2416267 | 1903-06-01 | 393.52 |
| -58 | 2417473 | 1906-09-19 | 392.9 |
| -57 | 2417862 | 1907-10-13 | 392.9 |
| -56 | 2418245 | 1908-10-30 | 390.37 |
| -55 | 2418635 | 1909-11-24 | 389.37 |
| -54 | 2419009 | 1910-12-03 | 386.91 |
| -53 | 2419393 | 1911-12-22 | 384.56 |
| -52 | 2419767 | 1912-12-30 | 385.49 |
| -51 | 2420157 | 1914-01-24 | 387.3 |
| -50 | 2420559 | 1915-03-02 | 388.35 |
| -49 | 2420934 | 1916-03-11 | 390.77 |
| -48 | 2421327 | 1917-04-08 | 392.51 |
| -47 | 2421725 | 1918-05-11 | 393.44 |
| -46 | 2422128 | 1919-06-18 | 394.25 |
| -45 | 2422505 | 1920-06-29 | 394.38 |
| -44 | 2422919 | 1921-08-17 | 395.25 |
| -43 | 2423312 | 1922-09-14 | 395.15 |
| -42 | 2423694 | 1923-10-01 | 395.14 |
| -41 | 2424103 | 1924-11-13 | 395.44 |
| -40 | 2424487 | 1925-12-02 | 396.07 |
| -39 | 2424887 | 1927-01-06 | 395.11 |
| -38 | 2425281 | 1928-02-04 | 394.75 |
| -37 | 2425681 | 1929-03-10 | 394.74 |
| -36 | 2426081 | 1930-04-14 | 394.49 |
| -35 | 2426476 | 1931-05-14 | 395.27 |
| -34 | 2426858 | 1932-05-30 | 395.58 |
| -33 | 2427245 | 1933-06-21 | 395.47 |
| -30 | 2428437 | 1936-09-25 | 395.65 |
| -29 | 2428837 | 1937-10-30 | 395.82 |
| -28 | 2429245 | 1938-12-12 | 396.5 |
| -27 | 2429643 | 1940-01-14 | 397.03 |
| -26 | 2430025 | 1941-01-30 | 397.02 |
| -25 | 2430430 | 1942-03-11 | 396.07 |
| -24 | 2430821 | 1943-04-06 | 395.66 |
| -23 | 2431225 | 1944-05-14 | 395.47 |
| -20 | 2432409 | 1947-08-11 | 395.23 |
| -19 | 2432805 | 1948-09-10 | 395.64 |
| -18 | 2433189 | 1949-09-29 | 394.85 |
| -17 | 2433593 | 1950-11-07 | 394.53 |
| -16 | 2433992 | 1951-12-11 | 394.04 |
| -15 | 2434374 | 1952-12-27 | 393.62 |
| -14 | 2434784 | 1954-02-10 | 393.15 |
| -13 | 2435160 | 1955-02-21 | 392.48 |
| -12 | 2435558 | 1956-03-25 | 391.21 |
| -11 | 2435955 | 1957-04-26 | 390.93 |
| -10 | 2436342 | 1958-05-18 | 391.58 |
| -9 | 2436731 | 1959-06-11 | 392.7 |
| -8 | 2437116 | 1960-06-30 | 394.1 |
| -7 | 2437504 | 1961-07-23 | 394.71 |
| -6 | 2437904 | 1962-08-27 | 395.77 |
| -5 | 2438308 | 1963-10-05 | 396.44 |
| -4 | 2438723 | 1964-11-23 | 396.45 |
| -3 | 2439107 | 1965-12-12 | 396.88 |
| -2 | 2439503 | 1967-01-12 | 396.45 |
| -1 | 2439904 | 1968-02-17 | 395.52 |
| 0 | 2440288 | 1969-03-07 | 394.57 |
| 1 | 2440676 | 1970-03-30 | 393.72 |
| 2 | 2441085 | 1971-05-13 | 393.87 |
| 3 | 2441475 | 1972-06-06 | 393.45 |
| 4 | 2441870 | 1973-07-06 | 392.78 |
| 5 | 2442263 | 1974-08-03 | 392.41 |
| 6 | 2442652 | 1975-08-27 | 391.02 |
| 7 | 2443045 | 1976-09-23 | 389.79 |
| 8 | 2443436 | 1977-10-19 | 390.33 |
| 9 | 2443821 | 1978-11-08 | 390.49 |
| 10 | 2444210 | 1979-12-02 | 391.23 |
| 11 | 2444588 | 1980-12-14 | 391.93 |
| 12 | 2444986 | 1982-01-16 | 392.72 |
| 13 | 2445396 | 1983-03-02 | 394.15 |
| 14 | 2445782 | 1984-03-22 | 395.28 |
| 15 | 2446182 | 1985-04-26 | 395.92 |
| 16 | 2446572 | 1986-05-21 | 397.3 |
| 17 | 2446969 | 1987-06-22 | 397.35 |
| 18 | 2447375 | 1988-08-01 | 397.63 |
| 19 | 2447765 | 1989-08-26 | 398.16 |
| 20 | 2448158 | 1990-09-23 | 398.15 |
| 21 | 2448575 | 1991-11-14 | 398.55 |
| 22 | 2448965 | 1992-12-08 | 397.9 |
| 23 | 2449368 | 1994-01-15 | 397.39 |
| 24 | 2449758 | 1995-02-09 | 397.21 |
| 25 | 2450155 | 1996-03-12 | 396.04 |
| 26 | 2450559 | 1997-04-20 | 394.65 |
| 27 | 2450943 | 1998-05-09 | 393.74 |
| 28 | 2451344 | 1999-06-14 | 393.15 |
| 29 | 2451739 | 2000-07-13 | 393.44 |
| 30 | 2452122 | 2001-07-31 | 393.24 |
| 31 | 2452517 | 2002-08-30 | 392.9 |
| 32 | 2452899 | 2003-09-16 | 393.48 |
| 33 | 2453303 | 2004-10-24 | 393.46 |
| 34 | 2453706 | 2005-12-01 | 393.53 |
| 35 | 2454095 | 2006-12-25 | 393.88 |
| 36 | 2454483 | 2008-01-17 | 393.73 |
| 37 | 2454884 | 2009-02-21 | 394.31 |
| 38 | 2455275 | 2010-03-19 | 394.25 |
| 39 | 2455662 | 2011-04-10 | 394.55 |
| 40 | 2456058 | 2012-05-10 | 395.08 |
| 41 | 2456451 | 2013-06-07 | 395.39 |
| 42 | 2456859 | 2014-07-20 | 395 |
| 43 | 2457255 | 2015-08-20 | 395.45 |
| 44 | 2457649 | 2016-09-17 | 395.87 |
| 45 | 2458040 | 2017-10-13 | 395.04 |
| 46 | 2458435 | 2018-11-12 | 395.15 |
| 47 | 2458822 | 2019-12-04 | 394.59 |
| 48 | 2459227 | 2021-01-12 | 394.68 |
| 49 | 2459626 | 2022-02-15 | 395.01 |
| 50 | 2460004 | 2023-02-28 | 395.57 |
| 51 | 2460418 | 2024-04-17 | 396 |
| 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. |