| E | O (JD) | O (dat) | Period |
| -152 | 2411440 | 1890-03-13 | 217.58 |
| -151 | 2411630 | 1890-09-19 | 218.55 |
| -149 | 2412070 | 1891-12-03 | 218.55 |
| -148 | 2412280 | 1892-06-30 | 218.64 |
| -145 | 2412950 | 1894-05-01 | 218.94 |
| -143 | 2413385 | 1895-07-10 | 219.19 |
| -142 | 2413615 | 1896-02-25 | 220.02 |
| -141 | 2413824 | 1896-09-21 | 219.97 |
| -140 | 2414045 | 1897-04-30 | 219.96 |
| -139 | 2414272 | 1897-12-13 | 219.19 |
| -136 | 2414930 | 1899-10-02 | 218.96 |
| -135 | 2415145 | 1900-05-05 | 218.25 |
| -134 | 2415363 | 1900-12-09 | 217.86 |
| -133 | 2415583 | 1901-07-17 | 216.7 |
| -132 | 2415793 | 1902-02-12 | 215.37 |
| -131 | 2416015 | 1902-09-22 | 214.68 |
| -130 | 2416223 | 1903-04-18 | 214.84 |
| -129 | 2416437 | 1903-11-18 | 215.28 |
| -128 | 2416645 | 1904-06-13 | 215.65 |
| -127 | 2416859 | 1905-01-13 | 216.65 |
| -126 | 2417085 | 1905-08-27 | 217.05 |
| -125 | 2417303 | 1906-04-02 | 217.68 |
| -124 | 2417526 | 1906-11-11 | 218.52 |
| -123 | 2417739 | 1907-06-12 | 218.74 |
| -122 | 2417964 | 1908-01-23 | 219.33 |
| -121 | 2418175 | 1908-08-21 | 218.9 |
| -120 | 2418390 | 1909-03-24 | 218.87 |
| -119 | 2418620 | 1909-11-09 | 218.91 |
| -118 | 2418829 | 1910-06-06 | 219.39 |
| -117 | 2419066 | 1911-01-29 | 219.54 |
| -116 | 2419271 | 1911-08-22 | 220.31 |
| -115 | 2419491 | 1912-03-29 | 220.65 |
| -114 | 2419712 | 1912-11-05 | 220.65 |
| -113 | 2419936 | 1913-06-17 | 221.4 |
| -112 | 2420155 | 1914-01-22 | 221.77 |
| -111 | 2420382 | 1914-09-06 | 222.36 |
| -110 | 2420603 | 1915-04-15 | 221.95 |
| -109 | 2420823 | 1915-11-21 | 222.05 |
| -108 | 2421050 | 1916-07-05 | 221.57 |
| -107 | 2421277 | 1917-02-17 | 221.53 |
| -106 | 2421487 | 1917-09-15 | 220.84 |
| -105 | 2421703 | 1918-04-19 | 220.92 |
| -104 | 2421937 | 1918-12-09 | 220.77 |
| -103 | 2422148 | 1919-07-08 | 220.29 |
| -102 | 2422376 | 1920-02-21 | 220.26 |
| -101 | 2422587 | 1920-09-19 | 220.32 |
| -100 | 2422818 | 1921-05-08 | 219.87 |
| -99 | 2423035 | 1921-12-11 | 219.63 |
| -98 | 2423250 | 1922-07-14 | 219.95 |
| -97 | 2423473 | 1923-02-22 | 219.63 |
| -96 | 2423687 | 1923-09-24 | 219.83 |
| -95 | 2423906 | 1924-04-30 | 219.72 |
| -94 | 2424135 | 1924-12-15 | 220.42 |
| -93 | 2424353 | 1925-07-21 | 220.44 |
| -92 | 2424569 | 1926-02-22 | 220.69 |
| -91 | 2424791 | 1926-10-02 | 220.85 |
| -90 | 2425014 | 1927-05-13 | 220.2 |
| -89 | 2425240 | 1927-12-25 | 219.84 |
| -88 | 2425449 | 1928-07-21 | 219.32 |
| -87 | 2425679 | 1929-03-08 | 218.79 |
| -86 | 2425895 | 1929-10-10 | 218.05 |
| -85 | 2426105 | 1930-05-08 | 217.35 |
| -84 | 2426332 | 1930-12-21 | 217.15 |
| -83 | 2426539 | 1931-07-16 | 217.4 |
| -82 | 2426758 | 1932-02-20 | 217.12 |
| -81 | 2426975 | 1932-09-24 | 217.38 |
| -80 | 2427191 | 1933-04-28 | 217.87 |
| -79 | 2427414 | 1933-12-07 | 217.93 |
| -78 | 2427633 | 1934-07-14 | 218.59 |
| -77 | 2427849 | 1935-02-15 | 219.28 |
| -76 | 2428065 | 1935-09-19 | 219.07 |
| -75 | 2428288 | 1936-04-29 | 218.97 |
| -74 | 2428505 | 1936-12-02 | 218.79 |
| -73 | 2428726 | 1937-07-11 | 218.42 |
| -72 | 2428957 | 1938-02-27 | 218.53 |
| -71 | 2429158 | 1938-09-16 | 218.34 |
| -70 | 2429380 | 1939-04-26 | 217.76 |
| -69 | 2429600 | 1939-12-02 | 217.54 |
| -68 | 2429810 | 1940-06-29 | 217.76 |
| -67 | 2430037 | 1941-02-11 | 217.92 |
| -66 | 2430252 | 1941-09-14 | 218.6 |
| -65 | 2430465 | 1942-04-15 | 218.95 |
| -64 | 2430685 | 1942-11-21 | 219.28 |
| -63 | 2430914 | 1943-07-08 | 219.89 |
| -62 | 2431129 | 1944-02-08 | 219.75 |
| -61 | 2431344 | 1944-09-10 | 220.37 |
| -60 | 2431573 | 1945-04-27 | 220.38 |
| -59 | 2431789 | 1945-11-29 | 220.01 |
| -58 | 2432013 | 1946-07-11 | 219.85 |
| -57 | 2432227 | 1947-02-10 | 220.55 |
| -56 | 2432455 | 1947-09-26 | 220.64 |
| -55 | 2432667 | 1948-04-25 | 220.05 |
| -54 | 2432886 | 1948-11-30 | 220.11 |
| -53 | 2433111 | 1949-07-13 | 220.12 |
| -52 | 2433340 | 1950-02-27 | 220.35 |
| -51 | 2433554 | 1950-09-29 | 220.39 |
| -50 | 2433766 | 1951-04-29 | 220.82 |
| -49 | 2433990 | 1951-12-09 | 220.51 |
| -48 | 2434213 | 1952-07-19 | 220.01 |
| -47 | 2434434 | 1953-02-25 | 219.93 |
| -46 | 2434657 | 1953-10-06 | 220.4 |
| -45 | 2434878 | 1954-05-15 | 220.45 |
| -44 | 2435092 | 1954-12-15 | 220.02 |
| -43 | 2435310 | 1955-07-21 | 219.62 |
| -42 | 2435534 | 1956-03-01 | 219.35 |
| -41 | 2435756 | 1956-10-09 | 219.08 |
| -40 | 2435973 | 1957-05-14 | 218.74 |
| -39 | 2436192 | 1957-12-19 | 218.29 |
| -38 | 2436409 | 1958-07-24 | 218.44 |
| -37 | 2436628 | 1959-02-28 | 218.34 |
| -36 | 2436846 | 1959-10-04 | 218.38 |
| -35 | 2437059 | 1960-05-04 | 218.75 |
| -34 | 2437272 | 1960-12-03 | 219.18 |
| -33 | 2437507 | 1961-07-26 | 219.68 |
| -32 | 2437723 | 1962-02-27 | 220.13 |
| -31 | 2437940 | 1962-10-02 | 220.73 |
| -30 | 2438162 | 1963-05-12 | 221.15 |
| -29 | 2438384 | 1963-12-20 | 221.04 |
| -28 | 2438605 | 1964-07-28 | 220.7 |
| -27 | 2438826 | 1965-03-06 | 220.96 |
| -26 | 2439050 | 1965-10-16 | 221.03 |
| -25 | 2439269 | 1966-05-23 | 220.85 |
| -24 | 2439486 | 1966-12-26 | 220.55 |
| -23 | 2439711 | 1967-08-08 | 220.35 |
| -22 | 2439930 | 1968-03-14 | 220.39 |
| -21 | 2440151 | 1968-10-21 | 220.54 |
| -20 | 2440371 | 1969-05-29 | 220.66 |
| -19 | 2440588 | 1970-01-01 | 220.29 |
| -18 | 2440809 | 1970-08-10 | 219.93 |
| -17 | 2441034 | 1971-03-23 | 220.18 |
| -16 | 2441257 | 1971-11-01 | 219.93 |
| -15 | 2441474 | 1972-06-05 | 219.89 |
| -14 | 2441685 | 1973-01-02 | 219.91 |
| -13 | 2441908 | 1973-08-13 | 220.08 |
| -12 | 2442136 | 1974-03-29 | 219.76 |
| -11 | 2442347 | 1974-10-26 | 220.05 |
| -10 | 2442570 | 1975-06-06 | 220.57 |
| -9 | 2442791 | 1976-01-13 | 220.71 |
| -8 | 2443018 | 1976-08-27 | 219.69 |
| -7 | 2443228 | 1977-03-25 | 219.41 |
| -6 | 2443455 | 1977-11-07 | 219.52 |
| -5 | 2443677 | 1978-06-17 | 219.22 |
| -4 | 2443892 | 1979-01-18 | 218.9 |
| -3 | 2444097 | 1979-08-11 | 218.7 |
| -2 | 2444328 | 1980-03-29 | 219.18 |
| -1 | 2444547 | 1980-11-03 | 219.03 |
| 0 | 2444767 | 1981-06-11 | 219.38 |
| 1 | 2444983 | 1982-01-13 | 219.75 |
| 2 | 2445203 | 1982-08-21 | 220.11 |
| 3 | 2445428 | 1983-04-03 | 219.72 |
| 4 | 2445644 | 1983-11-05 | 219.22 |
| 5 | 2445866 | 1984-06-14 | 218.95 |
| 6 | 2446082 | 1985-01-16 | 219.13 |
| 7 | 2446305 | 1985-08-27 | 218.73 |
| 8 | 2446525 | 1986-04-04 | 218.47 |
| 9 | 2446731 | 1986-10-27 | 218.76 |
| 10 | 2446954 | 1987-06-07 | 218.62 |
| 11 | 2447181 | 1988-01-20 | 218.75 |
| 12 | 2447392 | 1988-08-18 | 218.85 |
| 13 | 2447613 | 1989-03-27 | 219.53 |
| 14 | 2447837 | 1989-11-06 | 220.35 |
| 15 | 2448050 | 1990-06-07 | 220.03 |
| 16 | 2448271 | 1991-01-14 | 220.14 |
| 17 | 2448492 | 1991-08-23 | 220.55 |
| 18 | 2448719 | 1992-04-06 | 220.59 |
| 19 | 2448941 | 1992-11-14 | 220.99 |
| 20 | 2449152 | 1993-06-13 | 221.21 |
| 21 | 2449378 | 1994-01-25 | 220.83 |
| 22 | 2449597 | 1994-09-01 | 220.07 |
| 23 | 2449819 | 1995-04-11 | 219.98 |
| 24 | 2450047 | 1995-11-25 | 220 |
| 25 | 2450261 | 1996-06-26 | 220.27 |
| 26 | 2450477 | 1997-01-28 | 219.78 |
| 27 | 2450689 | 1997-08-28 | 219.68 |
| 28 | 2450922 | 1998-04-18 | 219.99 |
| 29 | 2451138 | 1998-11-20 | 219.64 |
| 30 | 2451361 | 1999-07-01 | 219.55 |
| 31 | 2451575 | 2000-01-31 | 219.65 |
| 32 | 2451797 | 2000-09-09 | 219.49 |
| 33 | 2452027 | 2001-04-27 | 219.13 |
| 34 | 2452232 | 2001-11-18 | 219.09 |
| 35 | 2452447 | 2002-06-21 | 218.59 |
| 36 | 2452674 | 2003-02-03 | 218.5 |
| 37 | 2452892 | 2003-09-09 | 218.38 |
| 38 | 2453116 | 2004-04-20 | 218.45 |
| 39 | 2453329 | 2004-11-19 | 219.13 |
| 40 | 2453541 | 2005-06-19 | 219 |
| 41 | 2453763 | 2006-01-27 | 218.79 |
| 42 | 2453986 | 2006-09-07 | 218.55 |
| 43 | 2454206 | 2007-04-15 | 218.65 |
| 44 | 2454425 | 2007-11-20 | 219.05 |
| 45 | 2454641 | 2008-06-23 | 219.33 |
| 46 | 2454863 | 2009-01-31 | 219.06 |
| 47 | 2455073 | 2009-08-29 | 219.23 |
| 48 | 2455299 | 2010-04-12 | 219.56 |
| 49 | 2455518 | 2010-11-17 | 219.48 |
| 50 | 2455740 | 2011-06-27 | 219.56 |
| 51 | 2455956 | 2012-01-29 | 219.75 |
| 52 | 2456182 | 2012-09-11 | 219.98 |
| 53 | 2456402 | 2013-04-19 | 219.9 |
| 54 | 2456612 | 2013-11-15 | 219.89 |
| 55 | 2456834 | 2014-06-25 | 219.89 |
| 56 | 2457059 | 2015-02-05 | 219.95 |
| 57 | 2457277 | 2015-09-11 | 220.01 |
| 58 | 2457501 | 2016-04-22 | 220.35 |
| 59 | 2457717 | 2016-11-24 | 220.78 |
| 60 | 2457938 | 2017-07-03 | 220.75 |
| 61 | 2458157 | 2018-02-07 | 220.63 |
| 62 | 2458381 | 2018-09-19 | 220.65 |
| 63 | 2458601 | 2019-04-27 | 220.62 |
| 64 | 2458823 | 2019-12-05 | 220.38 |
| 65 | 2459045 | 2020-07-14 | 220.27 |
| 66 | 2459263 | 2021-02-17 | 220.12 |
| 67 | 2459482 | 2021-09-24 | 219.7 |
| 68 | 2459704 | 2022-05-04 | 219.43 |
| 69 | 2459916 | 2022-12-02 | 218.89 |
| 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. |