| E | O (JD) | O (dat) | Period |
| -155 | 2415291 | 1900-09-28 | 216.64 |
| -153 | 2415735 | 1901-12-16 | 216.94 |
| -152 | 2415961 | 1902-07-30 | 219.09 |
| -150 | 2416384 | 1903-09-26 | 221.54 |
| -149 | 2416601 | 1904-04-30 | 221.35 |
| -148 | 2416820 | 1904-12-05 | 220.06 |
| -147 | 2417053 | 1905-07-26 | 220.5 |
| -146 | 2417287 | 1906-03-17 | 221.83 |
| -145 | 2417502 | 1906-10-18 | 221.72 |
| -143 | 2417935 | 1907-12-25 | 220.11 |
| -141 | 2418379 | 1909-03-13 | 218.5 |
| -140 | 2418599 | 1909-10-19 | 217.94 |
| -139 | 2418813 | 1910-05-21 | 218 |
| -138 | 2419022 | 1910-12-16 | 219.07 |
| -137 | 2419251 | 1911-08-02 | 218.86 |
| -136 | 2419461 | 1912-02-28 | 219.5 |
| -135 | 2419682 | 1912-10-06 | 221.21 |
| -134 | 2419918 | 1913-05-30 | 221.21 |
| -133 | 2420124 | 1913-12-22 | 221.21 |
| -132 | 2420361 | 1914-08-16 | 220.86 |
| -131 | 2420571 | 1915-03-14 | 220.43 |
| -130 | 2420799 | 1915-10-28 | 222.57 |
| -129 | 2421010 | 1916-05-26 | 223.29 |
| -128 | 2421225 | 1916-12-27 | 222.36 |
| -127 | 2421461 | 1917-08-20 | 221.14 |
| -126 | 2421697 | 1918-04-13 | 220.21 |
| -125 | 2421914 | 1918-11-16 | 220.93 |
| -124 | 2422131 | 1919-06-21 | 219.43 |
| -123 | 2422335 | 1920-01-11 | 217.43 |
| -122 | 2422557 | 1920-08-20 | 217.29 |
| -121 | 2422771 | 1921-03-22 | 217.64 |
| -120 | 2422987 | 1921-10-24 | 217.93 |
| -119 | 2423215 | 1922-06-09 | 219 |
| -118 | 2423438 | 1923-01-18 | 221.07 |
| -117 | 2423654 | 1923-08-22 | 222 |
| -116 | 2423863 | 1924-03-18 | 221.21 |
| -115 | 2424095 | 1924-11-05 | 221.36 |
| -114 | 2424328 | 1925-06-26 | 221.07 |
| -113 | 2424538 | 1926-01-22 | 221.43 |
| -112 | 2424761 | 1926-09-02 | 221.29 |
| -111 | 2424991 | 1927-04-20 | 219.21 |
| -110 | 2425196 | 1927-11-11 | 219.43 |
| -109 | 2425421 | 1928-06-23 | 220.5 |
| -108 | 2425635 | 1929-01-23 | 220 |
| -107 | 2425857 | 1929-09-02 | 220.64 |
| -106 | 2426081 | 1930-04-14 | 221.29 |
| -105 | 2426305 | 1930-11-24 | 220.93 |
| -104 | 2426527 | 1931-07-04 | 222 |
| -103 | 2426749 | 1932-02-11 | 222.43 |
| -102 | 2426966 | 1932-09-15 | 221.5 |
| -101 | 2427183 | 1933-04-20 | 221.29 |
| -100 | 2427417 | 1933-12-10 | 221.14 |
| -99 | 2427635 | 1934-07-16 | 220.79 |
| -98 | 2427852 | 1935-02-18 | 221 |
| -97 | 2428078 | 1935-10-02 | 220.86 |
| -96 | 2428294 | 1936-05-05 | 220 |
| -95 | 2428512 | 1936-12-09 | 219.86 |
| -94 | 2428731 | 1937-07-16 | 220.21 |
| -93 | 2428961 | 1938-03-03 | 219.86 |
| -92 | 2429171 | 1938-09-29 | 219.71 |
| -91 | 2429394 | 1939-05-10 | 220.43 |
| -90 | 2429619 | 1939-12-21 | 220.36 |
| -89 | 2429831 | 1940-07-20 | 220.14 |
| -88 | 2430051 | 1941-02-25 | 220.43 |
| -87 | 2430278 | 1941-10-10 | 220.36 |
| -86 | 2430499 | 1942-05-19 | 220.86 |
| -85 | 2430715 | 1942-12-21 | 221.71 |
| -84 | 2430936 | 1943-07-30 | 221.5 |
| -83 | 2431162 | 1944-03-12 | 221 |
| -82 | 2431380 | 1944-10-16 | 221.14 |
| -81 | 2431606 | 1945-05-30 | 220.64 |
| -80 | 2431824 | 1946-01-03 | 219.57 |
| -79 | 2432047 | 1946-08-14 | 220.14 |
| -78 | 2432263 | 1947-03-18 | 220.86 |
| -77 | 2432477 | 1947-10-18 | 220.29 |
| -76 | 2432695 | 1948-05-23 | 220.79 |
| -75 | 2432929 | 1949-01-12 | 221.36 |
| -74 | 2433149 | 1949-08-20 | 221.57 |
| -73 | 2433365 | 1950-03-24 | 221.93 |
| -72 | 2433597 | 1950-11-11 | 221.21 |
| -71 | 2433812 | 1951-06-14 | 220.5 |
| -70 | 2434030 | 1952-01-18 | 220.71 |
| -69 | 2434249 | 1952-08-24 | 220.5 |
| -68 | 2434472 | 1953-04-04 | 220.57 |
| -67 | 2434693 | 1953-11-11 | 221.07 |
| -66 | 2434911 | 1954-06-17 | 220.71 |
| -65 | 2435138 | 1955-01-30 | 220.07 |
| -64 | 2435359 | 1955-09-08 | 220.71 |
| -63 | 2435578 | 1956-04-14 | 221.5 |
| -62 | 2435791 | 1956-11-13 | 221.43 |
| -61 | 2436011 | 1957-06-21 | 221.36 |
| -60 | 2436244 | 1958-02-09 | 221.71 |
| -59 | 2436461 | 1958-09-14 | 222.86 |
| -58 | 2436688 | 1959-04-29 | 223.71 |
| -57 | 2436908 | 1959-12-05 | 222.64 |
| -56 | 2437133 | 1960-07-17 | 222.07 |
| -55 | 2437356 | 1961-02-25 | 222.57 |
| -54 | 2437578 | 1961-10-05 | 222.21 |
| -53 | 2437794 | 1962-05-09 | 222.14 |
| -52 | 2438020 | 1962-12-21 | 221.57 |
| -51 | 2438245 | 1963-08-03 | 220.64 |
| -50 | 2438462 | 1964-03-07 | 221.36 |
| -49 | 2438689 | 1964-10-20 | 221.57 |
| -48 | 2438902 | 1965-05-21 | 220.29 |
| -47 | 2439121 | 1965-12-26 | 219.79 |
| -46 | 2439350 | 1966-08-12 | 219.86 |
| -45 | 2439566 | 1967-03-16 | 220 |
| -44 | 2439783 | 1967-10-19 | 220.57 |
| -43 | 2440001 | 1968-05-24 | 219.5 |
| -42 | 2440228 | 1969-01-06 | 218.64 |
| -41 | 2440443 | 1969-08-09 | 218.71 |
| -40 | 2440668 | 1970-03-22 | 218.21 |
| -39 | 2440876 | 1970-10-16 | 217.93 |
| -38 | 2441101 | 1971-05-29 | 218.36 |
| -37 | 2441310 | 1971-12-24 | 218.86 |
| -36 | 2441529 | 1972-07-30 | 219.5 |
| -35 | 2441751 | 1973-03-09 | 220.36 |
| -34 | 2441977 | 1973-10-21 | 220.93 |
| -33 | 2442198 | 1974-05-30 | 221.93 |
| -32 | 2442419 | 1975-01-06 | 221.86 |
| -31 | 2442643 | 1975-08-18 | 221.29 |
| -30 | 2442861 | 1976-03-23 | 221.21 |
| -29 | 2443085 | 1976-11-02 | 220.71 |
| -28 | 2443301 | 1977-06-06 | 220.07 |
| -27 | 2443525 | 1978-01-16 | 219.93 |
| -26 | 2443747 | 1978-08-26 | 219.43 |
| -25 | 2443960 | 1979-03-27 | 219.71 |
| -24 | 2444183 | 1979-11-05 | 219.71 |
| -23 | 2444400 | 1980-06-09 | 218.93 |
| -22 | 2444618 | 1981-01-13 | 219.86 |
| -21 | 2444844 | 1981-08-27 | 220.64 |
| -20 | 2445058 | 1982-03-29 | 221.5 |
| -19 | 2445279 | 1982-11-05 | 221.5 |
| -18 | 2445506 | 1983-06-20 | 220.71 |
| -17 | 2445726 | 1984-01-26 | 221.36 |
| -16 | 2445958 | 1984-09-14 | 222.07 |
| -15 | 2446161 | 1985-04-05 | 222 |
| -14 | 2446391 | 1985-11-21 | 221.36 |
| -13 | 2446610 | 1986-06-28 | 221.07 |
| -12 | 2446836 | 1987-02-09 | 222.5 |
| -11 | 2447057 | 1987-09-18 | 222.93 |
| -10 | 2447274 | 1988-04-22 | 221.36 |
| -9 | 2447505 | 1988-12-09 | 221.29 |
| -8 | 2447729 | 1989-07-21 | 221.36 |
| -7 | 2447944 | 1990-02-21 | 221.36 |
| -6 | 2448156 | 1990-09-21 | 220.86 |
| -5 | 2448388 | 1991-05-11 | 220.29 |
| -4 | 2448604 | 1991-12-13 | 220.86 |
| -3 | 2448826 | 1992-07-22 | 222.29 |
| -2 | 2449045 | 1993-02-26 | 222.07 |
| -1 | 2449273 | 1993-10-12 | 221.36 |
| 0 | 2449492 | 1994-05-19 | 222.64 |
| 1 | 2449720 | 1995-01-02 | 223.71 |
| 2 | 2449933 | 1995-08-03 | 223.14 |
| 3 | 2450158 | 1996-03-15 | 222.5 |
| 4 | 2450389 | 1996-11-01 | 222.71 |
| 5 | 2450614 | 1997-06-14 | 223.21 |
| 6 | 2450828 | 1998-01-14 | 223.79 |
| 7 | 2451052 | 1998-08-26 | 222.36 |
| 8 | 2451278 | 1999-04-09 | 220.93 |
| 9 | 2451500 | 1999-11-17 | 221.43 |
| 10 | 2451724 | 2000-06-28 | 221.07 |
| 11 | 2451936 | 2001-01-26 | 219.86 |
| 12 | 2452160 | 2001-09-07 | 219.57 |
| 13 | 2452382 | 2002-04-17 | 219.36 |
| 14 | 2452593 | 2002-11-14 | 220.29 |
| 15 | 2452815 | 2003-06-24 | 221.57 |
| 16 | 2453037 | 2004-02-01 | 221.36 |
| 17 | 2453258 | 2004-09-09 | 221.79 |
| 18 | 2453486 | 2005-04-25 | 222.86 |
| 19 | 2453712 | 2005-12-07 | 223.86 |
| 20 | 2453929 | 2006-07-12 | 224 |
| 21 | 2454151 | 2007-02-19 | 223.14 |
| 22 | 2454377 | 2007-10-03 | 221.93 |
| 23 | 2454609 | 2008-05-22 | 221.64 |
| 24 | 2454822 | 2008-12-21 | 222 |
| 25 | 2455046 | 2009-08-02 | 222.36 |
| 26 | 2455259 | 2010-03-03 | 222 |
| 27 | 2455485 | 2010-10-15 | 221.64 |
| 28 | 2455703 | 2011-05-21 | 222.21 |
| 29 | 2455938 | 2012-01-11 | 223.07 |
| 30 | 2456156 | 2012-08-16 | 223 |
| 31 | 2456378 | 2013-03-26 | 222.5 |
| 32 | 2456601 | 2013-11-04 | 221.64 |
| 33 | 2456827 | 2014-06-18 | 220.71 |
| 34 | 2457039 | 2015-01-16 | 220.86 |
| 35 | 2457264 | 2015-08-29 | 220.21 |
| 36 | 2457480 | 2016-04-01 | 218.79 |
| 37 | 2457704 | 2016-11-11 | 218.64 |
| 38 | 2457922 | 2017-06-17 | 219 |
| 39 | 2458140 | 2018-01-21 | 218.86 |
| 40 | 2458351 | 2018-08-20 | 218.29 |
| 41 | 2458576 | 2019-04-02 | 217.86 |
| 42 | 2458793 | 2019-11-05 | 219.21 |
| 43 | 2459015 | 2020-06-14 | 220.07 |
| 44 | 2459225 | 2021-01-10 | 219.78 |
| 45 | 2459451 | 2021-08-24 | 219.46 |
| 46 | 2459680 | 2022-04-10 | 219.33 |
| 47 | 2459892 | 2022-11-08 | 218.8 |
| 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. |