| E | O (JD) | O (dat) | Period |
| -169 | 2405151 | 1872-12-23 | 218.27 |
| -144 | 2410605 | 1887-11-29 | 218.26 |
| -133 | 2413010 | 1894-06-30 | 218.29 |
| -131 | 2413449 | 1895-09-12 | 218.32 |
| -129 | 2413875 | 1896-11-11 | 218.31 |
| -127 | 2414320 | 1898-01-30 | 218.32 |
| -126 | 2414534 | 1898-09-01 | 218.48 |
| -125 | 2414759 | 1899-04-14 | 218.59 |
| -124 | 2414978 | 1899-11-19 | 218.81 |
| -122 | 2415409 | 1901-01-24 | 219.22 |
| -121 | 2415630 | 1901-09-02 | 219.11 |
| -120 | 2415850 | 1902-04-10 | 219.36 |
| -119 | 2416071 | 1902-11-17 | 218.77 |
| -118 | 2416290 | 1903-06-24 | 218.28 |
| -117 | 2416510 | 1904-01-30 | 217.84 |
| -116 | 2416730 | 1904-09-06 | 217.48 |
| -114 | 2417170 | 1905-11-20 | 217.03 |
| -111 | 2417814 | 1907-08-26 | 216.55 |
| -110 | 2418025 | 1908-03-24 | 216.18 |
| -109 | 2418240 | 1908-10-25 | 215.82 |
| -107 | 2418680 | 1910-01-08 | 215.6 |
| -104 | 2419326 | 1911-10-16 | 215.71 |
| -103 | 2419536 | 1912-05-13 | 216.47 |
| -102 | 2419751 | 1912-12-14 | 217.31 |
| -101 | 2419965 | 1913-07-16 | 217.97 |
| -99 | 2420400 | 1914-09-24 | 218.6 |
| -97 | 2420840 | 1915-12-08 | 219.83 |
| -96 | 2421070 | 1916-07-25 | 220.5 |
| -94 | 2421512 | 1917-10-10 | 220.91 |
| -93 | 2421732 | 1918-05-18 | 221.08 |
| -92 | 2421950 | 1918-12-22 | 221.11 |
| -90 | 2422398 | 1920-03-14 | 220.52 |
| -89 | 2422616 | 1920-10-18 | 220.09 |
| -88 | 2422836 | 1921-05-26 | 219.65 |
| -87 | 2423052 | 1921-12-28 | 219.36 |
| -86 | 2423274 | 1922-08-07 | 218.75 |
| -85 | 2423486 | 1923-03-07 | 217.99 |
| -84 | 2423714 | 1923-10-21 | 217.77 |
| -83 | 2423925 | 1924-05-19 | 217.71 |
| -82 | 2424146 | 1924-12-26 | 217.7 |
| -81 | 2424358 | 1925-07-26 | 217.46 |
| -80 | 2424577 | 1926-03-02 | 217.84 |
| -79 | 2424794 | 1926-10-05 | 217.69 |
| -78 | 2425015 | 1927-05-14 | 218.06 |
| -77 | 2425232 | 1927-12-17 | 218.16 |
| -76 | 2425447 | 1928-07-19 | 218.15 |
| -75 | 2425673 | 1929-03-02 | 218.19 |
| -74 | 2425887 | 1929-10-02 | 217.88 |
| -73 | 2426105 | 1930-05-08 | 217.51 |
| -72 | 2426324 | 1930-12-13 | 217.2 |
| -71 | 2426536 | 1931-07-13 | 217.25 |
| -70 | 2426761 | 1932-02-23 | 217.1 |
| -69 | 2426971 | 1932-09-20 | 217.39 |
| -68 | 2427188 | 1933-04-25 | 217.22 |
| -67 | 2427403 | 1933-11-26 | 216.78 |
| -66 | 2427628 | 1934-07-09 | 216.3 |
| -65 | 2427845 | 1935-02-11 | 215.5 |
| -64 | 2428063 | 1935-09-17 | 215.35 |
| -63 | 2428274 | 1936-04-15 | 214.92 |
| -62 | 2428484 | 1936-11-11 | 214.53 |
| -61 | 2428696 | 1937-06-11 | 213.59 |
| -60 | 2428909 | 1938-01-10 | 213.3 |
| -59 | 2429128 | 1938-08-17 | 213.71 |
| -58 | 2429343 | 1939-03-20 | 214.07 |
| -57 | 2429558 | 1939-10-21 | 214.18 |
| -56 | 2429762 | 1940-05-12 | 214.85 |
| -55 | 2429978 | 1940-12-14 | 214.85 |
| -54 | 2430203 | 1941-07-27 | 214.65 |
| -53 | 2430412 | 1942-02-21 | 215.1 |
| -52 | 2430623 | 1942-09-20 | 215.32 |
| -51 | 2430853 | 1943-05-08 | 215.75 |
| -50 | 2431058 | 1943-11-29 | 216.09 |
| -49 | 2431270 | 1944-06-28 | 216.01 |
| -48 | 2431494 | 1945-02-07 | 216.38 |
| -47 | 2431704 | 1945-09-05 | 216.55 |
| -46 | 2431923 | 1946-04-12 | 216.32 |
| -45 | 2432149 | 1946-11-24 | 217.05 |
| -44 | 2432358 | 1947-06-21 | 216.99 |
| -43 | 2432574 | 1948-01-23 | 216.65 |
| -42 | 2432793 | 1948-08-29 | 216.75 |
| -41 | 2433007 | 1949-03-31 | 216.42 |
| -40 | 2433229 | 1949-11-08 | 216.25 |
| -39 | 2433441 | 1950-06-08 | 216.46 |
| -38 | 2433657 | 1951-01-10 | 216.55 |
| -37 | 2433875 | 1951-08-16 | 216.68 |
| -36 | 2434090 | 1952-03-18 | 217.33 |
| -35 | 2434308 | 1952-10-22 | 217.74 |
| -34 | 2434522 | 1953-05-24 | 218.41 |
| -33 | 2434743 | 1953-12-31 | 218.96 |
| -32 | 2434962 | 1954-08-07 | 219.8 |
| -31 | 2435188 | 1955-03-21 | 220.51 |
| -30 | 2435405 | 1955-10-24 | 221.05 |
| -29 | 2435624 | 1956-05-30 | 221.49 |
| -28 | 2435846 | 1957-01-07 | 221.48 |
| -27 | 2436074 | 1957-08-23 | 221.27 |
| -26 | 2436293 | 1958-03-30 | 220.93 |
| -25 | 2436515 | 1958-11-07 | 220.45 |
| -24 | 2436736 | 1959-06-16 | 219.81 |
| -23 | 2436955 | 1960-01-21 | 219.08 |
| -22 | 2437172 | 1960-08-25 | 218.39 |
| -21 | 2437392 | 1961-04-02 | 218.15 |
| -20 | 2437604 | 1961-10-31 | 217.75 |
| -19 | 2437823 | 1962-06-07 | 217.96 |
| -18 | 2438042 | 1963-01-12 | 218.26 |
| -17 | 2438260 | 1963-08-18 | 218.25 |
| -16 | 2438479 | 1964-03-24 | 218.35 |
| -15 | 2438694 | 1964-10-25 | 218.65 |
| -14 | 2438921 | 1965-06-09 | 218.83 |
| -13 | 2439139 | 1966-01-13 | 219 |
| -12 | 2439350 | 1966-08-12 | 218.8 |
| -11 | 2439571 | 1967-03-21 | 218.2 |
| -10 | 2439791 | 1967-10-27 | 217.6 |
| -9 | 2440014 | 1968-06-06 | 216.85 |
| -8 | 2440233 | 1969-01-11 | 216.83 |
| -7 | 2440444 | 1969-08-10 | 217.07 |
| -6 | 2440654 | 1970-03-08 | 216.58 |
| -5 | 2440870 | 1970-10-10 | 216.01 |
| -4 | 2441087 | 1971-05-15 | 215.94 |
| -3 | 2441309 | 1971-12-23 | 215.77 |
| -2 | 2441531 | 1972-08-01 | 215.99 |
| -1 | 2441740 | 1973-02-26 | 216.25 |
| 0 | 2441951 | 1973-09-25 | 215.98 |
| 1 | 2442174 | 1974-05-06 | 215.55 |
| 2 | 2442381 | 1974-11-29 | 215.32 |
| 3 | 2442600 | 1975-07-06 | 215.48 |
| 4 | 2442821 | 1976-02-12 | 215.49 |
| 5 | 2443033 | 1976-09-11 | 215.34 |
| 6 | 2443246 | 1977-04-12 | 215.05 |
| 7 | 2443465 | 1977-11-17 | 215.75 |
| 8 | 2443683 | 1978-06-23 | 215.63 |
| 9 | 2443888 | 1979-01-14 | 215.7 |
| 10 | 2444105 | 1979-08-19 | 215.82 |
| 11 | 2444322 | 1980-03-23 | 215.45 |
| 12 | 2444550 | 1980-11-06 | 215.13 |
| 13 | 2444759 | 1981-06-03 | 215.19 |
| 14 | 2444976 | 1982-01-06 | 215.4 |
| 15 | 2445187 | 1982-08-05 | 215.25 |
| 16 | 2445395 | 1983-03-01 | 215.19 |
| 17 | 2445613 | 1983-10-05 | 215.44 |
| 18 | 2445832 | 1984-05-11 | 216.14 |
| 19 | 2446047 | 1984-12-12 | 216.53 |
| 20 | 2446266 | 1985-07-19 | 217.03 |
| 21 | 2446483 | 1986-02-21 | 217.35 |
| 22 | 2446705 | 1986-10-01 | 217.46 |
| 23 | 2446918 | 1987-05-02 | 218.05 |
| 24 | 2447134 | 1987-12-04 | 218.38 |
| 25 | 2447351 | 1988-07-08 | 218.54 |
| 26 | 2447569 | 1989-02-11 | 219.02 |
| 27 | 2447791 | 1989-09-21 | 218.98 |
| 28 | 2448019 | 1990-05-07 | 219.45 |
| 29 | 2448232 | 1990-12-06 | 219.71 |
| 30 | 2448450 | 1991-07-12 | 219.91 |
| 31 | 2448675 | 1992-02-22 | 219.64 |
| 32 | 2448885 | 1992-09-19 | 219.3 |
| 33 | 2449110 | 1993-05-02 | 218.92 |
| 34 | 2449331 | 1993-12-09 | 219.37 |
| 35 | 2449553 | 1994-07-19 | 219.45 |
| 36 | 2449766 | 1995-02-17 | 219.41 |
| 37 | 2449986 | 1995-09-25 | 219.41 |
| 38 | 2450202 | 1996-04-28 | 218.95 |
| 39 | 2450429 | 1996-12-11 | 218.51 |
| 40 | 2450647 | 1997-07-17 | 218.69 |
| 41 | 2450866 | 1998-02-21 | 218.94 |
| 42 | 2451080 | 1998-09-23 | 219.07 |
| 43 | 2451299 | 1999-04-30 | 219.16 |
| 44 | 2451512 | 1999-11-29 | 218.69 |
| 45 | 2451741 | 2000-07-15 | 218.53 |
| 46 | 2451958 | 2001-02-17 | 218.37 |
| 47 | 2452181 | 2001-09-28 | 219.15 |
| 48 | 2452399 | 2002-05-04 | 219.27 |
| 49 | 2452610 | 2002-12-01 | 219.05 |
| 50 | 2452826 | 2003-07-05 | 218.43 |
| 51 | 2453044 | 2004-02-08 | 218.62 |
| 52 | 2453281 | 2004-10-02 | 218.86 |
| 53 | 2453493 | 2005-05-02 | 219.26 |
| 54 | 2453705 | 2005-11-30 | 219.59 |
| 55 | 2453922 | 2006-07-05 | 219.19 |
| 56 | 2454147 | 2007-02-15 | 218.96 |
| 57 | 2454369 | 2007-09-25 | 218.75 |
| 58 | 2454587 | 2008-04-30 | 219.22 |
| 59 | 2454805 | 2008-12-04 | 219.85 |
| 60 | 2455017 | 2009-07-04 | 219.86 |
| 61 | 2455243 | 2010-02-15 | 219.4 |
| 62 | 2455465 | 2010-09-25 | 219.39 |
| 63 | 2455680 | 2011-04-28 | 218.92 |
| 64 | 2455909 | 2011-12-13 | 218.64 |
| 65 | 2456124 | 2012-07-15 | 218.19 |
| 66 | 2456337 | 2013-02-13 | 217.65 |
| 67 | 2456560 | 2013-09-24 | 217.71 |
| 68 | 2456766 | 2014-04-18 | 217.32 |
| 69 | 2456988 | 2014-11-26 | 216.7 |
| 70 | 2457203 | 2015-06-29 | 216.85 |
| 71 | 2457426 | 2016-02-07 | 216.66 |
| 72 | 2457650 | 2016-09-18 | 216.45 |
| 73 | 2457855 | 2017-04-11 | 216.41 |
| 74 | 2458070 | 2017-11-12 | 216.17 |
| 75 | 2458290 | 2018-06-20 | 216.68 |
| 76 | 2458501 | 2019-01-17 | 216.41 |
| 77 | 2458720 | 2019-08-24 | 216.66 |
| 78 | 2458933 | 2020-03-24 | 217.33 |
| 79 | 2459156 | 2020-11-02 | 217.53 |
| 80 | 2459384 | 2021-06-18 | 217.65 |
| 81 | 2459588 | 2022-01-08 | 218.25 |
| 82 | 2459809 | 2022-08-17 | 218.23 |
| 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. |