| E | O (JD) | O (dat) | Period |
| -105 | 2413183 | 1894-12-20 | 351.4 |
| -104 | 2413519 | 1895-11-21 | 349.17 |
| -103 | 2413859 | 1896-10-26 | 349.7 |
| -102 | 2414229 | 1897-10-31 | 350.84 |
| -101 | 2414576 | 1898-10-13 | 351.61 |
| -100 | 2414914 | 1899-09-16 | 353.22 |
| -98 | 2415630 | 1901-09-02 | 352.22 |
| -96 | 2416336 | 1903-08-09 | 350.94 |
| -95 | 2416695 | 1904-08-02 | 350.11 |
| -94 | 2417041 | 1905-07-14 | 349.05 |
| -93 | 2417387 | 1906-06-25 | 348.65 |
| -92 | 2417735 | 1907-06-08 | 347.56 |
| -90 | 2418407 | 1909-04-10 | 346.31 |
| -89 | 2418769 | 1910-04-07 | 345.94 |
| -88 | 2419124 | 1911-03-28 | 345.44 |
| -87 | 2419468 | 1912-03-06 | 345.87 |
| -86 | 2419809 | 1913-02-10 | 346.36 |
| -85 | 2420154 | 1914-01-21 | 343.79 |
| -84 | 2420495 | 1914-12-28 | 341.21 |
| -83 | 2420835 | 1915-12-03 | 340.14 |
| -82 | 2421190 | 1916-11-22 | 339.21 |
| -81 | 2421516 | 1917-10-14 | 339.79 |
| -80 | 2421853 | 1918-09-16 | 340.29 |
| -79 | 2422186 | 1919-08-15 | 339 |
| -78 | 2422526 | 1920-07-20 | 340.14 |
| -77 | 2422880 | 1921-07-09 | 342.21 |
| -76 | 2423214 | 1922-06-08 | 343.21 |
| -75 | 2423557 | 1923-05-17 | 344.86 |
| -74 | 2423911 | 1924-05-05 | 346 |
| -73 | 2424249 | 1925-04-08 | 347 |
| -72 | 2424595 | 1926-03-20 | 348.36 |
| -71 | 2424945 | 1927-03-05 | 349.29 |
| -70 | 2425305 | 1928-02-28 | 350.36 |
| -69 | 2425647 | 1929-02-04 | 350.93 |
| -68 | 2426001 | 1930-01-24 | 351.14 |
| -67 | 2426357 | 1931-01-15 | 350.36 |
| -66 | 2426708 | 1932-01-01 | 349.79 |
| -65 | 2427049 | 1932-12-07 | 350.36 |
| -64 | 2427407 | 1933-11-30 | 349.64 |
| -63 | 2427748 | 1934-11-06 | 350.07 |
| -62 | 2428101 | 1935-10-25 | 350.86 |
| -61 | 2428452 | 1936-10-10 | 349 |
| -60 | 2428801 | 1937-09-24 | 347.79 |
| -59 | 2429165 | 1938-09-23 | 348.79 |
| -58 | 2429504 | 1939-08-28 | 349.14 |
| -57 | 2429838 | 1940-07-27 | 348.86 |
| -56 | 2430186 | 1941-07-10 | 347.64 |
| -55 | 2430546 | 1942-07-05 | 346.6 |
| -54 | 2430895 | 1943-06-19 | 347.69 |
| -53 | 2431242 | 1944-05-31 | 349.75 |
| -52 | 2431591 | 1945-05-15 | 348.69 |
| -50 | 2432277 | 1947-04-01 | 346.69 |
| -49 | 2432628 | 1948-03-17 | 347.19 |
| -48 | 2432992 | 1949-03-16 | 347.5 |
| -47 | 2433319 | 1950-02-06 | 347.6 |
| -46 | 2433669 | 1951-01-22 | 347.5 |
| -45 | 2434023 | 1952-01-11 | 345.43 |
| -44 | 2434370 | 1952-12-23 | 344.43 |
| -43 | 2434712 | 1953-11-30 | 344.79 |
| -42 | 2435058 | 1954-11-11 | 344.07 |
| -41 | 2435398 | 1955-10-17 | 344.21 |
| -40 | 2435735 | 1956-09-18 | 344.57 |
| -39 | 2436080 | 1957-08-29 | 344.57 |
| -38 | 2436429 | 1958-08-13 | 345.07 |
| -37 | 2436783 | 1959-08-02 | 343.79 |
| -36 | 2437123 | 1960-07-07 | 343 |
| -35 | 2437471 | 1961-06-20 | 343.07 |
| -34 | 2437816 | 1962-05-31 | 341.79 |
| -33 | 2438130 | 1963-04-10 | 342.5 |
| -32 | 2438487 | 1964-04-01 | 342.64 |
| -31 | 2438825 | 1965-03-05 | 341.71 |
| -30 | 2439172 | 1966-02-15 | 343.71 |
| -29 | 2439529 | 1967-02-07 | 345.07 |
| -28 | 2439862 | 1968-01-06 | 345.14 |
| -27 | 2440209 | 1968-12-18 | 345.57 |
| -26 | 2440549 | 1969-11-23 | 344.14 |
| -25 | 2440899 | 1970-11-08 | 344.43 |
| -24 | 2441245 | 1971-10-20 | 346.79 |
| -23 | 2441590 | 1972-09-29 | 347.57 |
| -22 | 2441929 | 1973-09-03 | 346.86 |
| -21 | 2442284 | 1974-08-24 | 346.71 |
| -20 | 2442642 | 1975-08-17 | 348 |
| -19 | 2442982 | 1976-07-22 | 349 |
| -18 | 2443322 | 1977-06-27 | 348.71 |
| -17 | 2443676 | 1978-06-16 | 347.36 |
| -16 | 2444031 | 1979-06-06 | 347 |
| -15 | 2444374 | 1980-05-14 | 348.36 |
| -14 | 2444721 | 1981-04-26 | 347.57 |
| -13 | 2445068 | 1982-04-08 | 345 |
| -12 | 2445414 | 1983-03-20 | 344.36 |
| -11 | 2445767 | 1984-03-07 | 344.29 |
| -10 | 2446097 | 1985-01-31 | 344.14 |
| -9 | 2446440 | 1986-01-09 | 344.86 |
| -8 | 2446786 | 1986-12-21 | 344.5 |
| -7 | 2447129 | 1987-11-29 | 344.57 |
| -6 | 2447478 | 1988-11-12 | 346.71 |
| -5 | 2447832 | 1989-11-01 | 347.57 |
| -4 | 2448172 | 1990-10-07 | 347.43 |
| -3 | 2448516 | 1991-09-16 | 347.21 |
| -2 | 2448875 | 1992-09-09 | 347.64 |
| -1 | 2449217 | 1993-08-17 | 348.64 |
| 0 | 2449562 | 1994-07-28 | 349.5 |
| 1 | 2449906 | 1995-07-07 | 348.14 |
| 2 | 2450271 | 1996-07-06 | 345.79 |
| 3 | 2450614 | 1997-06-14 | 345.71 |
| 4 | 2450967 | 1998-06-02 | 346.36 |
| 5 | 2451298 | 1999-04-29 | 345.57 |
| 6 | 2451635 | 2000-03-31 | 344.79 |
| 7 | 2451984 | 2001-03-15 | 345.57 |
| 8 | 2452333 | 2002-02-27 | 347.14 |
| 9 | 2452682 | 2003-02-11 | 347.93 |
| 10 | 2453030 | 2004-01-25 | 346.93 |
| 11 | 2453389 | 2005-01-18 | 345.79 |
| 12 | 2453736 | 2005-12-31 | 344.71 |
| 13 | 2454068 | 2006-11-28 | 343.29 |
| 14 | 2454408 | 2007-11-03 | 341.36 |
| 15 | 2454750 | 2008-10-10 | 339.86 |
| 16 | 2455091 | 2009-09-16 | 340.43 |
| 17 | 2455427 | 2010-08-18 | 342 |
| 18 | 2455771 | 2011-07-28 | 342.5 |
| 19 | 2456112 | 2012-07-03 | 343.29 |
| 20 | 2456458 | 2013-06-14 | 345.57 |
| 21 | 2456806 | 2014-05-28 | 347.29 |
| 22 | 2457147 | 2015-05-04 | 348.21 |
| 23 | 2457500 | 2016-04-21 | 349 |
| 24 | 2457856 | 2017-04-12 | 350.5 |
| 25 | 2458204 | 2018-03-26 | 352.43 |
| 26 | 2458554 | 2019-03-11 | 352.84 |
| 27 | 2458902 | 2020-02-22 | 351.83 |
| 28 | 2459269 | 2021-02-23 | 351.92 |
| 29 | 2459618 | 2022-02-07 | 352.7 |
| 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. |