| E | O (JD) | O (dat) | Period |
| -151 | 2414143 | 1897-08-06 | 203.7 |
| -150 | 2414354 | 1898-03-05 | 204.42 |
| -149 | 2414555 | 1898-09-22 | 205.13 |
| -148 | 2414751 | 1899-04-06 | 204.66 |
| -147 | 2414960 | 1899-11-01 | 204.07 |
| -146 | 2415168 | 1900-05-28 | 204.43 |
| -145 | 2415373 | 1900-12-19 | 204.86 |
| -144 | 2415574 | 1901-07-08 | 205 |
| -143 | 2415780 | 1902-01-30 | 205.07 |
| -142 | 2415991 | 1902-08-29 | 204.99 |
| -141 | 2416183 | 1903-03-09 | 205.28 |
| -140 | 2416398 | 1903-10-10 | 204.86 |
| -139 | 2416601 | 1904-04-30 | 203.99 |
| -138 | 2416810 | 1904-11-25 | 204.66 |
| -137 | 2417011 | 1905-06-14 | 205.38 |
| -136 | 2417211 | 1905-12-31 | 204.44 |
| -135 | 2417416 | 1906-07-24 | 204.56 |
| -133 | 2417828 | 1907-09-09 | 205.69 |
| -132 | 2418039 | 1908-04-07 | 206.56 |
| -131 | 2418231 | 1908-10-16 | 206.82 |
| -130 | 2418453 | 1909-05-26 | 206.59 |
| -129 | 2418659 | 1909-12-18 | 206.12 |
| -128 | 2418868 | 1910-07-15 | 207.25 |
| -126 | 2419275 | 1911-08-26 | 207.88 |
| -125 | 2419481 | 1912-03-19 | 206.56 |
| -124 | 2419684 | 1912-10-08 | 205.62 |
| -123 | 2419902 | 1913-05-14 | 205.4 |
| -122 | 2420108 | 1913-12-06 | 206.79 |
| -121 | 2420309 | 1914-06-25 | 206.79 |
| -120 | 2420508 | 1915-01-10 | 205.29 |
| -119 | 2420716 | 1915-08-06 | 204.43 |
| -118 | 2420935 | 1916-03-12 | 204.29 |
| -117 | 2421125 | 1916-09-18 | 205.29 |
| -116 | 2421335 | 1917-04-16 | 206.36 |
| -115 | 2421537 | 1917-11-04 | 205.72 |
| -114 | 2421740 | 1918-05-26 | 205.36 |
| -113 | 2421951 | 1918-12-23 | 205.57 |
| -112 | 2422162 | 1919-07-22 | 205.35 |
| -111 | 2422369 | 1920-02-14 | 205.35 |
| -110 | 2422566 | 1920-08-29 | 205.72 |
| -109 | 2422772 | 1921-03-23 | 205.28 |
| -108 | 2422975 | 1921-10-12 | 203.64 |
| -107 | 2423177 | 1922-05-02 | 203.93 |
| -106 | 2423394 | 1922-12-05 | 205.79 |
| -105 | 2423593 | 1923-06-22 | 205.57 |
| -104 | 2423789 | 1924-01-04 | 205.29 |
| -103 | 2424001 | 1924-08-03 | 205.57 |
| -102 | 2424218 | 1925-03-08 | 205.64 |
| -101 | 2424407 | 1925-09-13 | 206.57 |
| -100 | 2424619 | 1926-04-13 | 206.72 |
| -99 | 2424830 | 1926-11-10 | 205.86 |
| -98 | 2425036 | 1927-06-04 | 205.79 |
| -97 | 2425238 | 1927-12-23 | 205.57 |
| -96 | 2425446 | 1928-07-18 | 204.5 |
| -95 | 2425655 | 1929-02-12 | 203.64 |
| -94 | 2425851 | 1929-08-27 | 203.64 |
| -93 | 2426053 | 1930-03-17 | 204 |
| -92 | 2426259 | 1930-10-09 | 203.35 |
| -91 | 2426458 | 1931-04-26 | 202.57 |
| -90 | 2426667 | 1931-11-21 | 202.29 |
| -89 | 2426873 | 1932-06-14 | 202.78 |
| -88 | 2427075 | 1933-01-02 | 204.07 |
| -87 | 2427267 | 1933-07-13 | 204.43 |
| -86 | 2427469 | 1934-01-31 | 203.43 |
| -85 | 2427682 | 1934-09-01 | 203 |
| -84 | 2427892 | 1935-03-30 | 204.64 |
| -83 | 2428095 | 1935-10-19 | 206.57 |
| -82 | 2428293 | 1936-05-04 | 206.29 |
| -81 | 2428497 | 1936-11-24 | 204.86 |
| -80 | 2428710 | 1937-06-25 | 205 |
| -79 | 2428918 | 1938-01-19 | 206.07 |
| -78 | 2429121 | 1938-08-10 | 206.71 |
| -77 | 2429321 | 1939-02-26 | 206 |
| -76 | 2429536 | 1939-09-29 | 204.5 |
| -75 | 2429737 | 1940-04-17 | 204.29 |
| -74 | 2429947 | 1940-11-13 | 205.2 |
| -73 | 2430144 | 1941-05-29 | 204.25 |
| -72 | 2430347 | 1941-12-18 | 203.56 |
| -71 | 2430552 | 1942-07-11 | 204.13 |
| -69 | 2430968 | 1943-08-31 | 204.63 |
| -68 | 2431157 | 1944-03-07 | 205.56 |
| -67 | 2431373 | 1944-10-09 | 205.65 |
| -66 | 2431577 | 1945-05-01 | 205.77 |
| -65 | 2431788 | 1945-11-28 | 207.19 |
| -64 | 2431992 | 1946-06-20 | 207.44 |
| -62 | 2432403 | 1947-08-05 | 206.75 |
| -61 | 2432615 | 1948-03-04 | 207.06 |
| -60 | 2432825 | 1948-09-30 | 207 |
| -59 | 2433024 | 1949-04-17 | 207.13 |
| -58 | 2433234 | 1949-11-13 | 206.92 |
| -57 | 2433444 | 1950-06-11 | 206.07 |
| -56 | 2433648 | 1951-01-01 | 205.79 |
| -55 | 2433854 | 1951-07-26 | 206.29 |
| -54 | 2434061 | 1952-02-18 | 205.5 |
| -53 | 2434264 | 1952-09-08 | 205 |
| -52 | 2434466 | 1953-03-29 | 205.93 |
| -51 | 2434680 | 1953-10-29 | 206.14 |
| -50 | 2434875 | 1954-05-12 | 205.79 |
| -49 | 2435087 | 1954-12-10 | 206.86 |
| -48 | 2435298 | 1955-07-09 | 206.93 |
| -47 | 2435503 | 1956-01-30 | 206.22 |
| -46 | 2435703 | 1956-08-17 | 206.29 |
| -45 | 2435923 | 1957-03-25 | 205.64 |
| -44 | 2436120 | 1957-10-08 | 205.36 |
| -43 | 2436322 | 1958-04-28 | 205.86 |
| -42 | 2436528 | 1958-11-20 | 205.64 |
| -41 | 2436736 | 1959-06-16 | 204.92 |
| -40 | 2436940 | 1960-01-06 | 204.57 |
| -39 | 2437148 | 1960-08-01 | 204.35 |
| -38 | 2437357 | 1961-02-26 | 204.85 |
| -37 | 2437555 | 1961-09-12 | 204.43 |
| -36 | 2437751 | 1962-03-27 | 204.36 |
| -35 | 2437960 | 1962-10-22 | 204.57 |
| -34 | 2438172 | 1963-05-22 | 204 |
| -33 | 2438366 | 1963-12-02 | 205.22 |
| -32 | 2438583 | 1964-07-06 | 206.5 |
| -31 | 2438786 | 1965-01-25 | 205.5 |
| -30 | 2438982 | 1965-08-09 | 205.64 |
| -29 | 2439197 | 1966-03-12 | 206.22 |
| -28 | 2439405 | 1966-10-06 | 205.36 |
| -27 | 2439604 | 1967-04-23 | 205.79 |
| -26 | 2439813 | 1967-11-18 | 206.64 |
| -25 | 2440023 | 1968-06-15 | 205.86 |
| -24 | 2440221 | 1968-12-30 | 205.22 |
| -23 | 2440428 | 1969-07-25 | 205.29 |
| -22 | 2440644 | 1970-02-26 | 204.07 |
| -21 | 2440840 | 1970-09-10 | 203.78 |
| -20 | 2441042 | 1971-03-31 | 204.22 |
| -19 | 2441249 | 1971-10-24 | 203.29 |
| -18 | 2441444 | 1972-05-06 | 202.43 |
| -17 | 2441653 | 1972-12-01 | 202.79 |
| -16 | 2441855 | 1973-06-21 | 203.72 |
| -15 | 2442063 | 1974-01-15 | 203.93 |
| -14 | 2442255 | 1974-07-26 | 203.93 |
| -13 | 2442466 | 1975-02-22 | 204.57 |
| -12 | 2442677 | 1975-09-21 | 204.07 |
| -11 | 2442871 | 1976-04-02 | 204.28 |
| -10 | 2443081 | 1976-10-29 | 205.36 |
| -9 | 2443291 | 1977-05-27 | 205.14 |
| -8 | 2443484 | 1977-12-06 | 206.92 |
| -7 | 2443694 | 1978-07-04 | 208.36 |
| -6 | 2443902 | 1979-01-28 | 206.79 |
| -5 | 2444113 | 1979-08-27 | 206.43 |
| -4 | 2444332 | 1980-04-02 | 207.43 |
| -3 | 2444537 | 1980-10-24 | 207.72 |
| -2 | 2444730 | 1981-05-05 | 207.72 |
| -1 | 2444935 | 1981-11-26 | 206.07 |
| 0 | 2445147 | 1982-06-26 | 205.36 |
| 1 | 2445357 | 1983-01-22 | 207.36 |
| 2 | 2445566 | 1983-08-19 | 208.29 |
| 3 | 2445764 | 1984-03-04 | 207.36 |
| 4 | 2445980 | 1984-10-06 | 206.86 |
| 5 | 2446190 | 1985-05-04 | 206.43 |
| 6 | 2446391 | 1985-11-21 | 205.93 |
| 7 | 2446594 | 1986-06-12 | 205.72 |
| 8 | 2446806 | 1987-01-10 | 205.14 |
| 9 | 2447007 | 1987-07-30 | 204.85 |
| 10 | 2447206 | 1988-02-14 | 205.64 |
| 11 | 2447418 | 1988-09-13 | 206.28 |
| 12 | 2447624 | 1989-04-07 | 205.78 |
| 13 | 2447825 | 1989-10-25 | 205.79 |
| 14 | 2448039 | 1990-05-27 | 206.14 |
| 15 | 2448249 | 1990-12-23 | 205.64 |
| 16 | 2448445 | 1991-07-07 | 205.5 |
| 17 | 2448649 | 1992-01-27 | 205.93 |
| 18 | 2448861 | 1992-08-26 | 204.93 |
| 19 | 2449060 | 1993-03-13 | 204.14 |
| 20 | 2449266 | 1993-10-05 | 204.86 |
| 21 | 2449481 | 1994-05-08 | 205.14 |
| 22 | 2449676 | 1994-11-19 | 205 |
| 23 | 2449876 | 1995-06-07 | 204.64 |
| 24 | 2450086 | 1996-01-03 | 203.29 |
| 25 | 2450296 | 1996-07-31 | 203.57 |
| 26 | 2450495 | 1997-02-15 | 205.43 |
| 27 | 2450696 | 1997-09-04 | 205.29 |
| 28 | 2450897 | 1998-03-24 | 204.85 |
| 29 | 2451110 | 1998-10-23 | 205.14 |
| 30 | 2451318 | 1999-05-19 | 206.36 |
| 31 | 2451518 | 1999-12-05 | 207.64 |
| 32 | 2451732 | 2000-07-06 | 207.43 |
| 33 | 2451931 | 2001-01-21 | 206.57 |
| 34 | 2452149 | 2001-08-27 | 207.72 |
| 35 | 2452351 | 2002-03-17 | 208.79 |
| 36 | 2452560 | 2002-10-12 | 209.07 |
| 37 | 2452760 | 2003-04-30 | 208.72 |
| 38 | 2452984 | 2003-12-10 | 207.64 |
| 39 | 2453189 | 2004-07-02 | 207.35 |
| 40 | 2453401 | 2005-01-30 | 207.29 |
| 41 | 2453601 | 2005-08-18 | 206.85 |
| 42 | 2453806 | 2006-03-11 | 205.85 |
| 43 | 2454008 | 2006-09-29 | 205.36 |
| 44 | 2454214 | 2007-04-23 | 205.36 |
| 45 | 2454426 | 2007-11-21 | 205.22 |
| 46 | 2454629 | 2008-06-11 | 205.22 |
| 47 | 2454836 | 2009-01-04 | 206.14 |
| 48 | 2455041 | 2009-07-28 | 206 |
| 49 | 2455239 | 2010-02-11 | 206.36 |
| 50 | 2455448 | 2010-09-08 | 207.36 |
| 51 | 2455660 | 2011-04-08 | 207.22 |
| 52 | 2455864 | 2011-10-29 | 207.79 |
| 53 | 2456080 | 2012-06-01 | 208.64 |
| 54 | 2456288 | 2012-12-26 | 208.5 |
| 55 | 2456490 | 2013-07-16 | 207.86 |
| 56 | 2456699 | 2014-02-10 | 207 |
| 57 | 2456909 | 2014-09-08 | 206.22 |
| 58 | 2457118 | 2015-04-05 | 205.99 |
| 59 | 2457316 | 2015-10-20 | 205.64 |
| 60 | 2457526 | 2016-05-17 | 205.43 |
| 61 | 2457729 | 2016-12-06 | 204.78 |
| 62 | 2457933 | 2017-06-28 | 204.42 |
| 63 | 2458135 | 2018-01-16 | 204.86 |
| 64 | 2458349 | 2018-08-18 | 205.22 |
| 65 | 2458545 | 2019-03-02 | 206.07 |
| 66 | 2458751 | 2019-09-24 | 205.72 |
| 67 | 2458959 | 2020-04-19 | 204.64 |
| 68 | 2459169 | 2020-11-15 | 205.02 |
| 69 | 2459378 | 2021-06-12 | 206.58 |
| 70 | 2459570 | 2021-12-21 | 206.34 |
| 71 | 2459779 | 2022-07-18 | 206 |
| 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. |