| E | O (JD) | O (dat) | Period |
| -131 | 2411096 | 1889-04-03 | 217.26 |
| -129 | 2411548 | 1890-06-29 | 218.52 |
| -126 | 2412182 | 1892-03-24 | 220.4 |
| -125 | 2412411 | 1892-11-08 | 219.99 |
| -124 | 2412624 | 1893-06-09 | 219.32 |
| -123 | 2412852 | 1894-01-23 | 221 |
| -122 | 2413076 | 1894-09-04 | 222.49 |
| -121 | 2413292 | 1895-04-08 | 221.57 |
| -120 | 2413519 | 1895-11-21 | 221.29 |
| -119 | 2413747 | 1896-07-06 | 220.72 |
| -118 | 2413961 | 1897-02-05 | 220.14 |
| -117 | 2414176 | 1897-09-08 | 219.14 |
| -116 | 2414398 | 1898-04-18 | 218.57 |
| -115 | 2414620 | 1898-11-26 | 218.58 |
| -114 | 2414830 | 1899-06-24 | 217.79 |
| -113 | 2415049 | 1900-01-29 | 216.78 |
| -112 | 2415277 | 1900-09-14 | 216.64 |
| -111 | 2415491 | 1901-04-16 | 217.5 |
| -110 | 2415695 | 1901-11-06 | 218.58 |
| -109 | 2415914 | 1902-06-13 | 217.64 |
| -108 | 2416137 | 1903-01-22 | 216.92 |
| -107 | 2416358 | 1903-08-31 | 218.49 |
| -106 | 2416581 | 1904-04-10 | 219.8 |
| -105 | 2416792 | 1904-11-07 | 220.07 |
| -104 | 2417013 | 1905-06-16 | 220.12 |
| -103 | 2417232 | 1906-01-21 | 221.05 |
| -101 | 2417674 | 1907-04-08 | 221.57 |
| -100 | 2417898 | 1907-11-18 | 221.7 |
| -99 | 2418119 | 1908-06-26 | 222.17 |
| -96 | 2418799 | 1910-05-07 | 222.08 |
| -94 | 2419227 | 1911-07-09 | 221.13 |
| -92 | 2419677 | 1912-10-01 | 220.78 |
| -91 | 2419900 | 1913-05-12 | 220.93 |
| -86 | 2421002 | 1916-05-18 | 220.93 |
| -84 | 2421425 | 1917-07-15 | 221.04 |
| -83 | 2421657 | 1918-03-04 | 220.91 |
| -82 | 2421889 | 1918-10-22 | 220.94 |
| -81 | 2422102 | 1919-05-23 | 222 |
| -80 | 2422328 | 1920-01-04 | 222.51 |
| -79 | 2422551 | 1920-08-14 | 221.57 |
| -78 | 2422770 | 1921-03-21 | 221.71 |
| -77 | 2422987 | 1921-10-24 | 221.64 |
| -76 | 2423210 | 1922-06-04 | 220.72 |
| -75 | 2423438 | 1923-01-18 | 220.44 |
| -74 | 2423657 | 1923-08-25 | 221 |
| -73 | 2423876 | 1924-03-31 | 220.78 |
| -72 | 2424093 | 1924-11-03 | 219.71 |
| -71 | 2424314 | 1925-06-12 | 219.86 |
| -70 | 2424537 | 1926-01-21 | 220.01 |
| -69 | 2424751 | 1926-08-23 | 220.5 |
| -68 | 2424973 | 1927-04-02 | 220.78 |
| -67 | 2425200 | 1927-11-15 | 220.07 |
| -66 | 2425413 | 1928-06-15 | 220.64 |
| -65 | 2425643 | 1929-01-31 | 220.87 |
| -64 | 2425855 | 1929-08-31 | 219.72 |
| -63 | 2426077 | 1930-04-10 | 219.28 |
| -62 | 2426300 | 1930-11-19 | 218.64 |
| -61 | 2426516 | 1931-06-23 | 219.14 |
| -60 | 2426733 | 1932-01-26 | 220.08 |
| -59 | 2426950 | 1932-08-30 | 219.07 |
| -58 | 2427167 | 1933-04-04 | 218.92 |
| -57 | 2427399 | 1933-11-22 | 219.21 |
| -56 | 2427614 | 1934-06-25 | 220.07 |
| -55 | 2427830 | 1935-01-27 | 221.01 |
| -54 | 2428051 | 1935-09-05 | 219.72 |
| -53 | 2428267 | 1936-04-08 | 218.92 |
| -52 | 2428497 | 1936-11-24 | 219.78 |
| -51 | 2428714 | 1937-06-29 | 220 |
| -50 | 2428928 | 1938-01-29 | 220.08 |
| -49 | 2429150 | 1938-09-08 | 219.22 |
| -48 | 2429371 | 1939-04-17 | 218.21 |
| -47 | 2429590 | 1939-11-22 | 218.92 |
| -46 | 2429809 | 1940-06-28 | 219 |
| -45 | 2430024 | 1941-01-29 | 218.72 |
| -44 | 2430242 | 1941-09-04 | 218.86 |
| -43 | 2430465 | 1942-04-15 | 219.07 |
| -42 | 2430679 | 1942-11-15 | 219.85 |
| -41 | 2430904 | 1943-06-28 | 220.29 |
| -40 | 2431121 | 1944-01-31 | 219.79 |
| -39 | 2431345 | 1944-09-11 | 219.57 |
| -38 | 2431566 | 1945-04-20 | 220.14 |
| -37 | 2431784 | 1945-11-24 | 220.92 |
| -36 | 2432000 | 1946-06-28 | 220.72 |
| -35 | 2432218 | 1947-02-01 | 220.22 |
| -34 | 2432447 | 1947-09-18 | 220.86 |
| -33 | 2432671 | 1948-04-29 | 221.92 |
| -32 | 2432885 | 1948-11-29 | 221.85 |
| -31 | 2433109 | 1949-07-11 | 221 |
| -30 | 2433333 | 1950-02-20 | 220.94 |
| -29 | 2433558 | 1950-10-03 | 221.07 |
| -28 | 2433766 | 1951-04-29 | 220.78 |
| -27 | 2433993 | 1951-12-12 | 220.42 |
| -26 | 2434218 | 1952-07-24 | 220.5 |
| -25 | 2434433 | 1953-02-24 | 221.37 |
| -24 | 2434652 | 1953-10-01 | 221.43 |
| -23 | 2434876 | 1954-05-13 | 220.78 |
| -22 | 2435102 | 1954-12-25 | 221.28 |
| -21 | 2435321 | 1955-08-01 | 221.29 |
| -20 | 2435538 | 1956-03-05 | 220.94 |
| -19 | 2435764 | 1956-10-17 | 220.79 |
| -18 | 2435985 | 1957-05-26 | 220.57 |
| -17 | 2436198 | 1957-12-25 | 220.28 |
| -16 | 2436423 | 1958-08-07 | 219.72 |
| -15 | 2436646 | 1959-03-18 | 219.79 |
| -14 | 2436865 | 1959-10-23 | 220.72 |
| -13 | 2437078 | 1960-05-23 | 221.21 |
| -12 | 2437300 | 1960-12-31 | 220.42 |
| -11 | 2437526 | 1961-08-14 | 219.14 |
| -10 | 2437747 | 1962-03-23 | 219.29 |
| -9 | 2437971 | 1962-11-02 | 219.64 |
| -8 | 2438184 | 1963-06-03 | 219.28 |
| -7 | 2438395 | 1963-12-31 | 219.28 |
| -6 | 2438618 | 1964-08-10 | 218.5 |
| -5 | 2438835 | 1965-03-15 | 218.72 |
| -4 | 2439061 | 1965-10-27 | 220.07 |
| -3 | 2439282 | 1966-06-05 | 220.35 |
| -2 | 2439495 | 1967-01-04 | 220.35 |
| -1 | 2439722 | 1967-08-19 | 220.14 |
| 0 | 2439938 | 1968-03-22 | 219.29 |
| 1 | 2440160 | 1968-10-30 | 219.43 |
| 2 | 2440378 | 1969-06-05 | 219.92 |
| 3 | 2440600 | 1970-01-13 | 219.14 |
| 4 | 2440813 | 1970-08-14 | 218.79 |
| 5 | 2441036 | 1971-03-25 | 219.01 |
| 6 | 2441260 | 1971-11-04 | 218.5 |
| 7 | 2441468 | 1972-05-30 | 218.92 |
| 8 | 2441693 | 1973-01-10 | 219.92 |
| 9 | 2441911 | 1973-08-16 | 219 |
| 10 | 2442126 | 1974-03-19 | 219.15 |
| 11 | 2442352 | 1974-10-31 | 220.22 |
| 12 | 2442576 | 1975-06-12 | 220.28 |
| 13 | 2442786 | 1976-01-08 | 220.21 |
| 14 | 2443010 | 1976-08-19 | 219.93 |
| 15 | 2443234 | 1977-03-31 | 218.87 |
| 16 | 2443454 | 1977-11-06 | 218.36 |
| 17 | 2443666 | 1978-06-06 | 218.78 |
| 18 | 2443891 | 1979-01-17 | 218.42 |
| 19 | 2444101 | 1979-08-15 | 218.64 |
| 20 | 2444318 | 1980-03-19 | 219.51 |
| 21 | 2444541 | 1980-10-28 | 218.86 |
| 22 | 2444761 | 1981-06-05 | 217.99 |
| 23 | 2444988 | 1982-01-18 | 217.35 |
| 24 | 2445205 | 1982-08-23 | 217.29 |
| 25 | 2445416 | 1983-03-22 | 217.58 |
| 26 | 2445628 | 1983-10-20 | 216.57 |
| 27 | 2445834 | 1984-05-13 | 216.92 |
| 28 | 2446067 | 1985-01-01 | 217.78 |
| 29 | 2446281 | 1985-08-03 | 218.29 |
| 30 | 2446500 | 1986-03-10 | 219.72 |
| 31 | 2446730 | 1986-10-26 | 219.5 |
| 32 | 2446940 | 1987-05-24 | 219.14 |
| 33 | 2447160 | 1987-12-30 | 219.99 |
| 34 | 2447378 | 1988-08-04 | 219.43 |
| 35 | 2447596 | 1989-03-10 | 219.51 |
| 36 | 2447820 | 1989-10-20 | 220.29 |
| 37 | 2448041 | 1990-05-29 | 220.99 |
| 38 | 2448261 | 1991-01-04 | 221.99 |
| 39 | 2448482 | 1991-08-13 | 222.22 |
| 40 | 2448702 | 1992-03-20 | 222.29 |
| 41 | 2448930 | 1992-11-03 | 223 |
| 42 | 2449152 | 1993-06-13 | 223.85 |
| 43 | 2449375 | 1994-01-22 | 224.07 |
| 44 | 2449598 | 1994-09-02 | 223.36 |
| 45 | 2449826 | 1995-04-18 | 222.94 |
| 46 | 2450051 | 1995-11-29 | 223.43 |
| 47 | 2450270 | 1996-07-05 | 223.42 |
| 48 | 2450489 | 1997-02-09 | 222.71 |
| 49 | 2450714 | 1997-09-22 | 221.57 |
| 50 | 2450941 | 1998-05-07 | 221.44 |
| 51 | 2451160 | 1998-12-12 | 222.43 |
| 52 | 2451382 | 1999-07-22 | 221.85 |
| 53 | 2451597 | 2000-02-22 | 219.99 |
| 54 | 2451824 | 2000-10-06 | 220.14 |
| 55 | 2452049 | 2001-05-19 | 220.79 |
| 56 | 2452260 | 2001-12-16 | 220.72 |
| 57 | 2452475 | 2002-07-19 | 220.64 |
| 58 | 2452708 | 2003-03-09 | 219.21 |
| 59 | 2452925 | 2003-10-12 | 219.36 |
| 60 | 2453144 | 2004-05-18 | 221.08 |
| 61 | 2453366 | 2004-12-26 | 220.72 |
| 62 | 2453576 | 2005-07-24 | 219.99 |
| 63 | 2453804 | 2006-03-09 | 220.42 |
| 64 | 2454026 | 2006-10-17 | 221.14 |
| 65 | 2454247 | 2007-05-26 | 221.94 |
| 66 | 2454466 | 2007-12-31 | 221 |
| 67 | 2454689 | 2008-08-10 | 219.42 |
| 68 | 2454917 | 2009-03-26 | 219.28 |
| 69 | 2455132 | 2009-10-27 | 219.93 |
| 70 | 2455342 | 2010-05-25 | 220.29 |
| 71 | 2455560 | 2010-12-29 | 219.93 |
| 72 | 2455783 | 2011-08-09 | 219.57 |
| 73 | 2456009 | 2012-03-22 | 219.85 |
| 74 | 2456230 | 2012-10-29 | 220.57 |
| 75 | 2456455 | 2013-06-11 | 220.22 |
| 76 | 2456668 | 2014-01-10 | 219.29 |
| 77 | 2456884 | 2014-08-14 | 219.42 |
| 78 | 2457106 | 2015-03-24 | 219.21 |
| 79 | 2457320 | 2015-10-24 | 218.29 |
| 80 | 2457542 | 2016-06-02 | 218.01 |
| 81 | 2457769 | 2017-01-15 | 218.07 |
| 82 | 2457985 | 2017-08-19 | 218.35 |
| 83 | 2458194 | 2018-03-16 | 218.57 |
| 84 | 2458410 | 2018-10-18 | 217.93 |
| 85 | 2458633 | 2019-05-29 | 217.22 |
| 86 | 2458850 | 2020-01-01 | 218.22 |
| 87 | 2459072 | 2020-08-10 | 219.64 |
| 88 | 2459290 | 2021-03-16 | 219.65 |
| 89 | 2459505 | 2021-10-17 | 219.35 |
| 90 | 2459729 | 2022-05-29 | 219.18 |
| 91 | 2459950 | 2023-01-05 | 218.62 |
| 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. |