| E | O (JD) | O (dat) | Period |
| -106 | 2415269 | 1900-09-06 | 264.23 |
| -105 | 2415551 | 1901-06-15 | 267.1 |
| -100 | 2416849 | 1905-01-03 | 267.69 |
| -99 | 2417127 | 1905-10-08 | 264.81 |
| -98 | 2417388 | 1906-06-26 | 263.71 |
| -97 | 2417681 | 1907-04-15 | 263.32 |
| -96 | 2417923 | 1907-12-13 | 262 |
| -95 | 2418183 | 1908-08-29 | 261.39 |
| -92 | 2418966 | 1910-10-21 | 261.17 |
| -91 | 2419227 | 1911-07-09 | 260.5 |
| -90 | 2419465 | 1912-03-03 | 261.84 |
| -89 | 2419755 | 1912-12-18 | 260.5 |
| -88 | 2420015 | 1913-09-04 | 258.82 |
| -87 | 2420278 | 1914-05-25 | 261.05 |
| -85 | 2420803 | 1915-11-01 | 261.11 |
| -84 | 2421035 | 1916-06-20 | 259.25 |
| -82 | 2421558 | 1917-11-25 | 260.2 |
| -81 | 2421833 | 1918-08-27 | 260.95 |
| -79 | 2422348 | 1920-01-24 | 261.73 |
| -78 | 2422607 | 1920-10-09 | 262.65 |
| -77 | 2422890 | 1921-07-19 | 261.87 |
| -76 | 2423149 | 1922-04-04 | 261.67 |
| -75 | 2423400 | 1922-12-11 | 262 |
| -74 | 2423658 | 1923-08-26 | 260 |
| -73 | 2423923 | 1924-05-17 | 259.64 |
| -72 | 2424183 | 1925-02-01 | 261.14 |
| -71 | 2424440 | 1925-10-16 | 261.22 |
| -70 | 2424697 | 1926-06-30 | 261.15 |
| -69 | 2424977 | 1927-04-06 | 261.22 |
| -68 | 2425228 | 1927-12-13 | 260.92 |
| -67 | 2425487 | 1928-08-28 | 261 |
| -66 | 2425750 | 1929-05-18 | 259.36 |
| -65 | 2426013 | 1930-02-05 | 258.07 |
| -64 | 2426263 | 1930-10-13 | 259.15 |
| -63 | 2426528 | 1931-07-05 | 259.14 |
| -62 | 2426777 | 1932-03-10 | 258.71 |
| -61 | 2427041 | 1932-11-29 | 259.43 |
| -60 | 2427302 | 1933-08-17 | 259.65 |
| -59 | 2427563 | 1934-05-05 | 259.43 |
| -58 | 2427822 | 1935-01-19 | 260.21 |
| -57 | 2428086 | 1935-10-10 | 260.21 |
| -56 | 2428340 | 1936-06-20 | 259.93 |
| -55 | 2428597 | 1937-03-04 | 260.29 |
| -54 | 2428864 | 1937-11-26 | 260.93 |
| -53 | 2429122 | 1938-08-11 | 261.28 |
| -52 | 2429382 | 1939-04-28 | 261.42 |
| -51 | 2429647 | 1940-01-18 | 260.29 |
| -50 | 2429914 | 1940-10-11 | 259.79 |
| -49 | 2430170 | 1941-06-24 | 259.93 |
| -48 | 2430427 | 1942-03-08 | 259.07 |
| -47 | 2430678 | 1942-11-14 | 258.57 |
| -46 | 2430945 | 1943-08-08 | 258.57 |
| -45 | 2431198 | 1944-04-17 | 258.79 |
| -44 | 2431458 | 1945-01-02 | 259.79 |
| -43 | 2431723 | 1945-09-24 | 261 |
| -42 | 2431981 | 1946-06-09 | 260.92 |
| -41 | 2432239 | 1947-02-22 | 260.65 |
| -40 | 2432503 | 1947-11-13 | 260.07 |
| -39 | 2432774 | 1948-08-10 | 259.65 |
| -38 | 2433022 | 1949-04-15 | 260 |
| -37 | 2433283 | 1950-01-01 | 260.21 |
| -36 | 2433539 | 1950-09-14 | 259.43 |
| -35 | 2433800 | 1951-06-02 | 259.57 |
| -34 | 2434060 | 1952-02-17 | 259.72 |
| -33 | 2434325 | 1952-11-08 | 259.14 |
| -32 | 2434584 | 1953-07-25 | 259.42 |
| -31 | 2434846 | 1954-04-13 | 259.22 |
| -30 | 2435095 | 1954-12-18 | 258.5 |
| -29 | 2435355 | 1955-09-04 | 258.79 |
| -28 | 2435616 | 1956-05-22 | 259.85 |
| -27 | 2435873 | 1957-02-03 | 261.35 |
| -26 | 2436131 | 1957-10-19 | 262.29 |
| -25 | 2436401 | 1958-07-16 | 262.15 |
| -24 | 2436667 | 1959-04-08 | 262.86 |
| -23 | 2436933 | 1959-12-30 | 263.35 |
| -22 | 2437189 | 1960-09-11 | 262.57 |
| -21 | 2437452 | 1961-06-01 | 261.57 |
| -20 | 2437717 | 1962-02-21 | 260.86 |
| -19 | 2437974 | 1962-11-05 | 260.43 |
| -18 | 2438234 | 1963-07-23 | 260.92 |
| -17 | 2438496 | 1964-04-10 | 261.35 |
| -16 | 2438756 | 1964-12-26 | 261.5 |
| -15 | 2439012 | 1965-09-08 | 261.5 |
| -14 | 2439282 | 1966-06-05 | 261.36 |
| -13 | 2439546 | 1967-02-24 | 260.85 |
| -12 | 2439806 | 1967-11-11 | 261.07 |
| -11 | 2440063 | 1968-07-25 | 261.15 |
| -10 | 2440326 | 1969-04-14 | 260.86 |
| -9 | 2440578 | 1969-12-22 | 260.72 |
| -8 | 2440845 | 1970-09-15 | 260.21 |
| -7 | 2441105 | 1971-06-02 | 259.85 |
| -6 | 2441375 | 1972-02-27 | 260.22 |
| -5 | 2441627 | 1972-11-05 | 259.79 |
| -4 | 2441885 | 1973-07-21 | 258.79 |
| -3 | 2442142 | 1974-04-04 | 258.5 |
| -2 | 2442405 | 1974-12-23 | 257.57 |
| -1 | 2442655 | 1975-08-30 | 256.72 |
| 0 | 2442918 | 1976-05-19 | 256.72 |
| 1 | 2443181 | 1977-02-06 | 256.29 |
| 2 | 2443427 | 1977-10-10 | 255.92 |
| 3 | 2443679 | 1978-06-19 | 256.85 |
| 4 | 2443942 | 1979-03-09 | 257.07 |
| 5 | 2444193 | 1979-11-15 | 257.57 |
| 6 | 2444450 | 1980-07-29 | 259.07 |
| 7 | 2444719 | 1981-04-24 | 259.57 |
| 8 | 2444979 | 1982-01-09 | 260 |
| 9 | 2445235 | 1982-09-22 | 260.93 |
| 10 | 2445498 | 1983-06-12 | 260.72 |
| 11 | 2445757 | 1984-02-26 | 260.36 |
| 12 | 2446018 | 1984-11-13 | 260.78 |
| 13 | 2446278 | 1985-07-31 | 260.42 |
| 14 | 2446541 | 1986-04-20 | 260.5 |
| 15 | 2446802 | 1987-01-06 | 261.65 |
| 16 | 2447063 | 1987-09-24 | 262.5 |
| 17 | 2447316 | 1988-06-03 | 263.21 |
| 18 | 2447586 | 1989-02-28 | 262.71 |
| 19 | 2447852 | 1989-11-21 | 262.15 |
| 20 | 2448119 | 1990-08-15 | 263.22 |
| 21 | 2448385 | 1991-05-08 | 263.57 |
| 22 | 2448636 | 1992-01-14 | 263.21 |
| 23 | 2448899 | 1992-10-03 | 263.5 |
| 24 | 2449165 | 1993-06-26 | 262.79 |
| 25 | 2449427 | 1994-03-15 | 262.57 |
| 26 | 2449696 | 1994-12-09 | 263 |
| 27 | 2449964 | 1995-09-03 | 262.85 |
| 28 | 2450219 | 1996-05-15 | 262.92 |
| 29 | 2450478 | 1997-01-29 | 262.43 |
| 30 | 2450739 | 1997-10-17 | 261.65 |
| 31 | 2451005 | 1998-07-10 | 261.22 |
| 32 | 2451268 | 1999-03-30 | 261.42 |
| 33 | 2451529 | 1999-12-16 | 262.07 |
| 34 | 2451794 | 2000-09-06 | 261.15 |
| 35 | 2452046 | 2001-05-16 | 259.57 |
| 36 | 2452311 | 2002-02-05 | 260.5 |
| 37 | 2452575 | 2002-10-27 | 261 |
| 38 | 2452825 | 2003-07-04 | 261.07 |
| 39 | 2453082 | 2004-03-17 | 262 |
| 40 | 2453362 | 2004-12-22 | 262 |
| 41 | 2453615 | 2005-09-01 | 263.29 |
| 42 | 2453880 | 2006-05-24 | 264.92 |
| 43 | 2454145 | 2007-02-13 | 264.14 |
| 44 | 2454409 | 2007-11-04 | 263.5 |
| 45 | 2454677 | 2008-07-29 | 263.43 |
| 46 | 2454939 | 2009-04-17 | 263 |
| 47 | 2455203 | 2010-01-06 | 262.5 |
| 48 | 2455463 | 2010-09-23 | 261.71 |
| 49 | 2455720 | 2011-06-07 | 261.15 |
| 50 | 2455987 | 2012-02-29 | 260.07 |
| 51 | 2456242 | 2012-11-10 | 260.29 |
| 52 | 2456508 | 2013-08-03 | 261.57 |
| 53 | 2456764 | 2014-04-16 | 261.14 |
| 54 | 2457019 | 2014-12-27 | 260.29 |
| 55 | 2457291 | 2015-09-25 | 259.86 |
| 56 | 2457554 | 2016-06-14 | 259.43 |
| 57 | 2457809 | 2017-02-24 | 259.5 |
| 58 | 2458064 | 2017-11-06 | 259.07 |
| 59 | 2458324 | 2018-07-24 | 257.93 |
| 60 | 2458580 | 2019-04-06 | 257.93 |
| 61 | 2458836 | 2019-12-18 | 258.86 |
| 62 | 2459101 | 2020-09-08 | 258.87 |
| 63 | 2459355 | 2021-05-20 | 258.79 |
| 64 | 2459619 | 2022-02-08 | 260.09 |
| 65 | 2459878 | 2022-10-25 | 260.92 |
| 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. |