| E | O (JD) | O (dat) | Period |
| -104 | 2413964 | 1897-02-08 | 296.99 |
| -102 | 2414564 | 1898-10-01 | 298.62 |
| -101 | 2414854 | 1899-07-18 | 300.37 |
| -99 | 2415460 | 1901-03-16 | 299.24 |
| -98 | 2415750 | 1901-12-31 | 298.68 |
| -97 | 2416060 | 1902-11-06 | 299.89 |
| -96 | 2416360 | 1903-09-02 | 300.47 |
| -94 | 2416952 | 1905-04-16 | 300.56 |
| -93 | 2417251 | 1906-02-09 | 301.69 |
| -92 | 2417565 | 1906-12-20 | 300.5 |
| -91 | 2417857 | 1907-10-08 | 299.53 |
| -90 | 2418162 | 1908-08-08 | 300.43 |
| -89 | 2418475 | 1909-06-17 | 300.28 |
| -88 | 2418753 | 1910-03-22 | 300.65 |
| -87 | 2419052 | 1911-01-15 | 300.79 |
| -86 | 2419357 | 1911-11-16 | 299.14 |
| -85 | 2419663 | 1912-09-17 | 299.43 |
| -84 | 2419968 | 1913-07-19 | 300.64 |
| -83 | 2420262 | 1914-05-09 | 300.65 |
| -82 | 2420563 | 1915-03-06 | 299.43 |
| -81 | 2420857 | 1915-12-25 | 298.93 |
| -80 | 2421157 | 1916-10-20 | 300.14 |
| -79 | 2421461 | 1917-08-20 | 300.85 |
| -78 | 2421751 | 1918-06-06 | 302.22 |
| -77 | 2422065 | 1919-04-16 | 303.43 |
| -76 | 2422367 | 1920-02-12 | 303 |
| -75 | 2422670 | 1920-12-11 | 303.28 |
| -74 | 2422981 | 1921-10-18 | 302.14 |
| -73 | 2423281 | 1922-08-14 | 300.43 |
| -72 | 2423579 | 1923-06-08 | 300.58 |
| -71 | 2423879 | 1924-04-03 | 299.93 |
| -70 | 2424167 | 1925-01-16 | 298.35 |
| -69 | 2424471 | 1925-11-16 | 298.28 |
| -68 | 2424774 | 1926-09-15 | 299.15 |
| -67 | 2425076 | 1927-07-14 | 300.15 |
| -66 | 2425363 | 1928-04-26 | 299.85 |
| -65 | 2425673 | 1929-03-02 | 297.93 |
| -64 | 2425973 | 1929-12-27 | 297.14 |
| -63 | 2426275 | 1930-10-25 | 298 |
| -62 | 2426561 | 1931-08-07 | 298 |
| -61 | 2426855 | 1932-05-27 | 296.93 |
| -60 | 2427155 | 1933-03-23 | 297.21 |
| -59 | 2427456 | 1934-01-18 | 297.78 |
| -58 | 2427752 | 1934-11-10 | 298.15 |
| -57 | 2428051 | 1935-09-05 | 297.65 |
| -56 | 2428358 | 1936-07-08 | 296.71 |
| -55 | 2428647 | 1937-04-23 | 295.93 |
| -54 | 2428943 | 1938-02-13 | 294.93 |
| -53 | 2429234 | 1938-12-01 | 293.58 |
| -52 | 2429531 | 1939-09-24 | 293.58 |
| -51 | 2429820 | 1940-07-09 | 294.93 |
| -50 | 2430112 | 1941-04-27 | 294.35 |
| -49 | 2430407 | 1942-02-16 | 294.35 |
| -48 | 2430708 | 1942-12-14 | 295.36 |
| -47 | 2431011 | 1943-10-13 | 295.86 |
| -46 | 2431287 | 1944-07-15 | 295.14 |
| -45 | 2431599 | 1945-05-23 | 293.35 |
| -44 | 2431887 | 1946-03-07 | 292.14 |
| -43 | 2432187 | 1947-01-01 | 292.58 |
| -42 | 2432464 | 1947-10-05 | 292.43 |
| -41 | 2432758 | 1948-07-25 | 291.93 |
| -40 | 2433051 | 1949-05-14 | 292.5 |
| -39 | 2433343 | 1950-03-02 | 293.35 |
| -38 | 2433637 | 1950-12-21 | 294.72 |
| -37 | 2433936 | 1951-10-16 | 295.29 |
| -36 | 2434233 | 1952-08-08 | 296.78 |
| -35 | 2434525 | 1953-05-27 | 299 |
| -34 | 2434823 | 1954-03-21 | 299.43 |
| -33 | 2435120 | 1955-01-12 | 298.43 |
| -32 | 2435429 | 1955-11-17 | 299.15 |
| -31 | 2435737 | 1956-09-20 | 300.57 |
| -30 | 2436028 | 1957-07-08 | 301.07 |
| -29 | 2436319 | 1958-04-25 | 300.21 |
| -28 | 2436627 | 1959-02-27 | 299.15 |
| -27 | 2436929 | 1959-12-26 | 299.93 |
| -26 | 2437229 | 1960-10-21 | 301.14 |
| -25 | 2437523 | 1961-08-11 | 300.85 |
| -24 | 2437831 | 1962-06-15 | 300.28 |
| -23 | 2438133 | 1963-04-13 | 300.72 |
| -22 | 2438430 | 1964-02-04 | 300.65 |
| -21 | 2438728 | 1964-11-28 | 299.71 |
| -20 | 2439032 | 1965-09-28 | 298.71 |
| -19 | 2439336 | 1966-07-29 | 298.28 |
| -18 | 2439625 | 1967-05-14 | 298.36 |
| -17 | 2439925 | 1968-03-09 | 297.08 |
| -16 | 2440221 | 1968-12-30 | 295.64 |
| -15 | 2440518 | 1969-10-23 | 295.93 |
| -14 | 2440817 | 1970-08-18 | 295.5 |
| -13 | 2441102 | 1971-05-30 | 295.29 |
| -12 | 2441405 | 1972-03-28 | 295.79 |
| -11 | 2441699 | 1973-01-16 | 296.07 |
| -10 | 2441988 | 1973-11-01 | 297.21 |
| -9 | 2442292 | 1974-09-01 | 297.57 |
| -8 | 2442588 | 1975-06-24 | 297.22 |
| -7 | 2442892 | 1976-04-23 | 298.15 |
| -6 | 2443188 | 1977-02-13 | 298 |
| -5 | 2443485 | 1977-12-07 | 297.28 |
| -4 | 2443780 | 1978-09-28 | 297.43 |
| -3 | 2444081 | 1979-07-26 | 297.43 |
| -2 | 2444371 | 1980-05-11 | 297.29 |
| -1 | 2444671 | 1981-03-07 | 297 |
| 0 | 2444973 | 1982-01-03 | 296.43 |
| 1 | 2445271 | 1982-10-28 | 296.78 |
| 2 | 2445564 | 1983-08-17 | 297.15 |
| 3 | 2445859 | 1984-06-07 | 296.08 |
| 4 | 2446152 | 1985-03-27 | 295.21 |
| 5 | 2446455 | 1986-01-24 | 295.35 |
| 6 | 2446747 | 1986-11-12 | 296.71 |
| 7 | 2447042 | 1987-09-03 | 297.93 |
| 8 | 2447335 | 1988-06-22 | 297.93 |
| 9 | 2447635 | 1989-04-18 | 298.35 |
| 10 | 2447942 | 1990-02-19 | 299.21 |
| 11 | 2448240 | 1990-12-14 | 299.71 |
| 12 | 2448538 | 1991-10-08 | 299.93 |
| 13 | 2448841 | 1992-08-06 | 299.58 |
| 14 | 2449137 | 1993-05-29 | 299.35 |
| 15 | 2449436 | 1994-03-24 | 298.28 |
| 16 | 2449733 | 1995-01-15 | 296.28 |
| 17 | 2450038 | 1995-11-16 | 295.72 |
| 18 | 2450335 | 1996-09-08 | 296.15 |
| 19 | 2450619 | 1997-06-19 | 296.57 |
| 20 | 2450908 | 1998-04-04 | 294.64 |
| 21 | 2451210 | 1999-01-31 | 292 |
| 22 | 2451509 | 1999-11-26 | 293.29 |
| 23 | 2451812 | 2000-09-24 | 295.22 |
| 24 | 2452084 | 2001-06-23 | 295.85 |
| 25 | 2452377 | 2002-04-12 | 296.28 |
| 26 | 2452683 | 2003-02-12 | 295.28 |
| 27 | 2452977 | 2003-12-03 | 295.79 |
| 28 | 2453283 | 2004-10-04 | 297.93 |
| 29 | 2453584 | 2005-08-01 | 298.14 |
| 30 | 2453871 | 2006-05-15 | 299 |
| 31 | 2454166 | 2007-03-06 | 299.35 |
| 32 | 2454466 | 2007-12-31 | 297.58 |
| 33 | 2454768 | 2008-10-28 | 297.36 |
| 34 | 2455078 | 2009-09-03 | 298.64 |
| 35 | 2455373 | 2010-06-25 | 298.64 |
| 36 | 2455660 | 2011-04-08 | 298.14 |
| 37 | 2455958 | 2012-01-31 | 297.5 |
| 38 | 2456260 | 2012-11-28 | 297.29 |
| 39 | 2456553 | 2013-09-17 | 297.64 |
| 40 | 2456855 | 2014-07-16 | 298.35 |
| 41 | 2457156 | 2015-05-13 | 298.78 |
| 42 | 2457457 | 2016-03-09 | 297.43 |
| 43 | 2457743 | 2016-12-20 | 296 |
| 44 | 2458052 | 2017-10-25 | 295.78 |
| 45 | 2458349 | 2018-08-18 | 296.28 |
| 46 | 2458628 | 2019-05-24 | 297.78 |
| 47 | 2458924 | 2020-03-15 | 297.53 |
| 48 | 2459228 | 2021-01-13 | 294.09 |
| 49 | 2459533 | 2021-11-14 | 297.24 |
| 50 | 2459836 | 2022-09-13 | 300.88 |
| 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. |