| E | O (JD) | O (dat) | Period |
| -137 | 2414868 | 1899-08-01 | 219.91 |
| -136 | 2415084 | 1900-03-05 | 220.6 |
| -135 | 2415319 | 1900-10-26 | 220.9 |
| -134 | 2415530 | 1901-05-25 | 220.42 |
| -132 | 2415970 | 1902-08-08 | 220.95 |
| -130 | 2416416 | 1903-10-28 | 221.11 |
| -129 | 2416634 | 1904-06-02 | 221.27 |
| -128 | 2416851 | 1905-01-05 | 222 |
| -127 | 2417078 | 1905-08-20 | 223.07 |
| -126 | 2417305 | 1906-04-04 | 224.43 |
| -125 | 2417527 | 1906-11-12 | 225 |
| -124 | 2417747 | 1907-06-20 | 223.78 |
| -123 | 2417985 | 1908-02-13 | 222.71 |
| -122 | 2418207 | 1908-09-22 | 223.47 |
| -121 | 2418428 | 1909-05-01 | 223 |
| -120 | 2418634 | 1909-11-23 | 221.88 |
| -119 | 2418867 | 1910-07-14 | 221.56 |
| -117 | 2419317 | 1911-10-07 | 222 |
| -116 | 2419525 | 1912-05-02 | 222.83 |
| -114 | 2419979 | 1913-07-30 | 222.56 |
| -113 | 2420201 | 1914-03-09 | 221.23 |
| -112 | 2420430 | 1914-10-24 | 221 |
| -111 | 2420643 | 1915-05-25 | 221.34 |
| -110 | 2420864 | 1916-01-01 | 220.43 |
| -109 | 2421081 | 1916-08-05 | 219.22 |
| -108 | 2421297 | 1917-03-09 | 219.72 |
| -107 | 2421527 | 1917-10-25 | 221.28 |
| -106 | 2421739 | 1918-05-25 | 222.28 |
| -105 | 2421961 | 1919-01-02 | 223.21 |
| -104 | 2422188 | 1919-08-17 | 223.28 |
| -103 | 2422417 | 1920-04-02 | 223.5 |
| -102 | 2422640 | 1920-11-11 | 224.07 |
| -101 | 2422863 | 1921-06-22 | 223.43 |
| -100 | 2423087 | 1922-02-01 | 221.21 |
| -99 | 2423308 | 1922-09-10 | 219.5 |
| -98 | 2423529 | 1923-04-19 | 219.57 |
| -97 | 2423748 | 1923-11-24 | 219.5 |
| -96 | 2423954 | 1924-06-17 | 219.5 |
| -95 | 2424176 | 1925-01-25 | 218.78 |
| -94 | 2424401 | 1925-09-07 | 217.93 |
| -93 | 2424622 | 1926-04-16 | 219 |
| -92 | 2424846 | 1926-11-26 | 220.43 |
| -91 | 2425054 | 1927-06-22 | 220.86 |
| -90 | 2425274 | 1928-01-28 | 220.43 |
| -89 | 2425494 | 1928-09-04 | 219.58 |
| -88 | 2425722 | 1929-04-20 | 220.01 |
| -87 | 2425947 | 1929-12-01 | 220.71 |
| -86 | 2426162 | 1930-07-04 | 220.28 |
| -85 | 2426380 | 1931-02-07 | 219.71 |
| -84 | 2426600 | 1931-09-15 | 219.36 |
| -83 | 2426818 | 1932-04-20 | 220.21 |
| -82 | 2427034 | 1932-11-22 | 220.86 |
| -81 | 2427258 | 1933-07-04 | 220.14 |
| -80 | 2427482 | 1934-02-13 | 219.64 |
| -79 | 2427710 | 1934-09-29 | 220 |
| -78 | 2427924 | 1935-05-01 | 220.57 |
| -77 | 2428138 | 1935-12-01 | 220 |
| -76 | 2428355 | 1936-07-05 | 219.43 |
| -75 | 2428577 | 1937-02-12 | 219.78 |
| -74 | 2428803 | 1937-09-26 | 220.57 |
| -73 | 2429017 | 1938-04-28 | 220.78 |
| -72 | 2429247 | 1938-12-14 | 220.15 |
| -71 | 2429464 | 1939-07-19 | 219.65 |
| -70 | 2429686 | 1940-02-26 | 219.57 |
| -69 | 2429898 | 1940-09-25 | 218.57 |
| -68 | 2430116 | 1941-05-01 | 218.71 |
| -67 | 2430339 | 1941-12-10 | 219.71 |
| -66 | 2430555 | 1942-07-14 | 220.78 |
| -65 | 2430769 | 1943-02-13 | 222.21 |
| -64 | 2431004 | 1943-10-06 | 222.43 |
| -63 | 2431222 | 1944-05-11 | 223 |
| -62 | 2431453 | 1944-12-28 | 224.08 |
| -61 | 2431672 | 1945-08-04 | 224.15 |
| -60 | 2431897 | 1946-03-17 | 223.78 |
| -59 | 2432119 | 1946-10-25 | 223.58 |
| -58 | 2432342 | 1947-06-05 | 223.29 |
| -57 | 2432569 | 1948-01-18 | 222.71 |
| -56 | 2432790 | 1948-08-26 | 221.71 |
| -55 | 2433015 | 1949-04-08 | 221.86 |
| -54 | 2433236 | 1949-11-15 | 222.43 |
| -53 | 2433451 | 1950-06-18 | 222.5 |
| -52 | 2433669 | 1951-01-22 | 222 |
| -51 | 2433898 | 1951-09-08 | 221.64 |
| -50 | 2434127 | 1952-04-24 | 222.21 |
| -49 | 2434347 | 1952-11-30 | 222.71 |
| -48 | 2434566 | 1953-07-07 | 222.36 |
| -47 | 2434788 | 1954-02-14 | 221.64 |
| -46 | 2435010 | 1954-09-24 | 221.36 |
| -45 | 2435228 | 1955-04-30 | 221.21 |
| -44 | 2435452 | 1955-12-10 | 221.28 |
| -43 | 2435676 | 1956-07-21 | 222.14 |
| -42 | 2435897 | 1957-02-27 | 223.15 |
| -41 | 2436113 | 1957-10-01 | 223.43 |
| -40 | 2436339 | 1958-05-15 | 222.71 |
| -39 | 2436569 | 1958-12-31 | 222.36 |
| -38 | 2436793 | 1959-08-12 | 223.15 |
| -37 | 2437015 | 1960-03-21 | 223.78 |
| -36 | 2437231 | 1960-10-23 | 223.43 |
| -35 | 2437455 | 1961-06-04 | 222 |
| -34 | 2437679 | 1962-01-14 | 221.43 |
| -33 | 2437906 | 1962-08-29 | 222.28 |
| -32 | 2438130 | 1963-04-10 | 222.93 |
| -31 | 2438340 | 1963-11-06 | 222.78 |
| -30 | 2438568 | 1964-06-21 | 221.21 |
| -29 | 2438790 | 1965-01-29 | 220.28 |
| -28 | 2439017 | 1965-09-13 | 221.5 |
| -27 | 2439236 | 1966-04-20 | 222.14 |
| -26 | 2439446 | 1966-11-16 | 221.78 |
| -25 | 2439674 | 1967-07-02 | 221.07 |
| -24 | 2439897 | 1968-02-10 | 220.57 |
| -23 | 2440121 | 1968-09-21 | 221.64 |
| -22 | 2440342 | 1969-04-30 | 221.36 |
| -21 | 2440560 | 1969-12-04 | 219.93 |
| -20 | 2440781 | 1970-07-13 | 219.64 |
| -19 | 2441004 | 1971-02-21 | 218.93 |
| -18 | 2441215 | 1971-09-20 | 218.93 |
| -17 | 2441435 | 1972-04-27 | 219.43 |
| -16 | 2441658 | 1972-12-06 | 218.78 |
| -15 | 2441870 | 1973-07-06 | 219.14 |
| -14 | 2442097 | 1974-02-18 | 220.28 |
| -13 | 2442316 | 1974-09-25 | 220.14 |
| -12 | 2442532 | 1975-04-29 | 220.36 |
| -11 | 2442755 | 1975-12-08 | 220.93 |
| -10 | 2442979 | 1976-07-19 | 221.07 |
| -9 | 2443196 | 1977-02-21 | 222.08 |
| -8 | 2443417 | 1977-09-30 | 222.51 |
| -7 | 2443643 | 1978-05-14 | 222.07 |
| -6 | 2443865 | 1978-12-22 | 222.28 |
| -5 | 2444092 | 1979-08-06 | 222.93 |
| -4 | 2444310 | 1980-03-11 | 223.5 |
| -3 | 2444533 | 1980-10-20 | 223.14 |
| -2 | 2444754 | 1981-05-29 | 222.86 |
| -1 | 2444980 | 1982-01-10 | 223.5 |
| 0 | 2445209 | 1982-08-27 | 223.57 |
| 1 | 2445423 | 1983-03-29 | 223.64 |
| 2 | 2445654 | 1983-11-15 | 223.43 |
| 3 | 2445877 | 1984-06-25 | 222.93 |
| 4 | 2446096 | 1985-01-30 | 223.43 |
| 5 | 2446322 | 1985-09-13 | 223.5 |
| 6 | 2446540 | 1986-04-19 | 223.14 |
| 7 | 2446770 | 1986-12-05 | 223.5 |
| 8 | 2446990 | 1987-07-13 | 224.08 |
| 9 | 2447216 | 1988-02-24 | 224.86 |
| 10 | 2447439 | 1988-10-04 | 224.71 |
| 11 | 2447663 | 1989-05-16 | 224.15 |
| 12 | 2447892 | 1989-12-31 | 223.43 |
| 13 | 2448118 | 1990-08-14 | 222.36 |
| 14 | 2448338 | 1991-03-22 | 221.78 |
| 15 | 2448560 | 1991-10-30 | 221.14 |
| 16 | 2448774 | 1992-05-31 | 220.43 |
| 17 | 2448994 | 1993-01-06 | 220.14 |
| 18 | 2449213 | 1993-08-13 | 220 |
| 19 | 2449438 | 1994-03-26 | 220.5 |
| 20 | 2449658 | 1994-11-01 | 221.43 |
| 21 | 2449880 | 1995-06-11 | 221.22 |
| 22 | 2450098 | 1996-01-15 | 220.86 |
| 23 | 2450323 | 1996-08-27 | 220.93 |
| 24 | 2450545 | 1997-04-06 | 220.36 |
| 25 | 2450759 | 1997-11-06 | 219.64 |
| 26 | 2450984 | 1998-06-19 | 218.5 |
| 27 | 2451205 | 1999-01-26 | 217.71 |
| 28 | 2451418 | 1999-08-27 | 218.64 |
| 29 | 2451635 | 2000-03-31 | 219 |
| 30 | 2451845 | 2000-10-27 | 218 |
| 31 | 2452071 | 2001-06-10 | 217.43 |
| 32 | 2452294 | 2002-01-19 | 217.71 |
| 33 | 2452515 | 2002-08-28 | 218.93 |
| 34 | 2452726 | 2003-03-27 | 219.93 |
| 35 | 2452941 | 2003-10-28 | 219.28 |
| 36 | 2453160 | 2004-06-03 | 219.07 |
| 37 | 2453385 | 2005-01-14 | 219.57 |
| 38 | 2453610 | 2005-08-27 | 220.29 |
| 39 | 2453825 | 2006-03-30 | 221.01 |
| 40 | 2454051 | 2006-11-11 | 221.43 |
| 41 | 2454264 | 2007-06-12 | 221.15 |
| 42 | 2454487 | 2008-01-21 | 221.43 |
| 43 | 2454708 | 2008-08-29 | 221.78 |
| 44 | 2454937 | 2009-04-15 | 221.43 |
| 45 | 2455154 | 2009-11-18 | 221.93 |
| 46 | 2455381 | 2010-07-03 | 221.86 |
| 47 | 2455600 | 2011-02-07 | 220.78 |
| 48 | 2455815 | 2011-09-10 | 221.36 |
| 49 | 2456043 | 2012-04-25 | 221.5 |
| 50 | 2456258 | 2012-11-26 | 220.78 |
| 51 | 2456478 | 2013-07-04 | 222.07 |
| 52 | 2456712 | 2014-02-23 | 222.21 |
| 53 | 2456924 | 2014-09-23 | 222.21 |
| 54 | 2457148 | 2015-05-05 | 222.86 |
| 55 | 2457376 | 2015-12-19 | 221.78 |
| 56 | 2457593 | 2016-07-23 | 222.36 |
| 57 | 2457819 | 2017-03-06 | 223.43 |
| 58 | 2458037 | 2017-10-10 | 221.86 |
| 59 | 2458258 | 2018-05-19 | 221.58 |
| 60 | 2458491 | 2019-01-07 | 222.28 |
| 61 | 2458709 | 2019-08-13 | 223.01 |
| 62 | 2458921 | 2020-03-12 | 223.79 |
| 63 | 2459150 | 2020-10-27 | 222.73 |
| 64 | 2459374 | 2021-06-08 | 221.32 |
| 65 | 2459604 | 2022-01-24 | 224.34 |
| 66 | 2459824 | 2022-09-01 | 226.79 |
| 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. |