| E | O (JD) | O (dat) | Period |
| -198 | 2400505 | 1860-04-04 | 222.2 |
| -196 | 2400965 | 1861-07-08 | 222.08 |
| -194 | 2401395 | 1862-09-11 | 222.27 |
| -193 | 2401612 | 1863-04-16 | 221.38 |
| -191 | 2402065 | 1864-07-12 | 221 |
| -190 | 2402290 | 1865-02-22 | 220.51 |
| -189 | 2402507 | 1865-09-27 | 219.95 |
| -188 | 2402734 | 1866-05-12 | 220.32 |
| -186 | 2403157 | 1867-07-09 | 220.15 |
| -185 | 2403380 | 1868-02-17 | 219.88 |
| -184 | 2403592 | 1868-09-16 | 220.56 |
| -183 | 2403824 | 1869-05-06 | 221.86 |
| -181 | 2404268 | 1870-07-24 | 222.95 |
| -180 | 2404486 | 1871-02-27 | 224.19 |
| -179 | 2404710 | 1871-10-09 | 224.38 |
| -178 | 2404944 | 1872-05-30 | 225.3 |
| -176 | 2405398 | 1873-08-27 | 225.9 |
| -173 | 2406065 | 1875-06-25 | 226.27 |
| -172 | 2406292 | 1876-02-07 | 226.11 |
| -171 | 2406511 | 1876-09-13 | 225.91 |
| -170 | 2406760 | 1877-05-20 | 226.14 |
| -169 | 2406991 | 1878-01-06 | 226.35 |
| -168 | 2407201 | 1878-08-04 | 226.24 |
| -167 | 2407416 | 1879-03-07 | 225.69 |
| -165 | 2407875 | 1880-06-08 | 225.38 |
| -163 | 2408342 | 1881-09-18 | 224.4 |
| -162 | 2408560 | 1882-04-24 | 223.89 |
| -160 | 2409002 | 1883-07-10 | 224.43 |
| -159 | 2409225 | 1884-02-18 | 223.85 |
| -157 | 2409680 | 1885-05-18 | 223.75 |
| -155 | 2410116 | 1886-07-28 | 223.48 |
| -152 | 2410779 | 1888-05-21 | 223.25 |
| -144 | 2412595 | 1893-05-11 | 222.55 |
| -142 | 2413016 | 1894-07-06 | 222.03 |
| -139 | 2413709 | 1896-05-29 | 221.65 |
| -134 | 2414811 | 1899-06-05 | 221.41 |
| -129 | 2415911 | 1902-06-10 | 221.12 |
| -124 | 2416988 | 1905-05-22 | 220.52 |
| -123 | 2417204 | 1905-12-24 | 220.73 |
| -122 | 2417433 | 1906-08-10 | 220.3 |
| -121 | 2417657 | 1907-03-22 | 220.75 |
| -119 | 2418119 | 1908-06-26 | 222.06 |
| -118 | 2418345 | 1909-02-07 | 223.89 |
| -117 | 2418559 | 1909-09-09 | 223.82 |
| -116 | 2418777 | 1910-04-15 | 222.98 |
| -114 | 2419214 | 1911-06-26 | 222.3 |
| -111 | 2419892 | 1913-05-04 | 221.61 |
| -109 | 2420352 | 1914-08-07 | 221.8 |
| -108 | 2420568 | 1915-03-11 | 221.76 |
| -106 | 2420996 | 1916-05-12 | 221.64 |
| -104 | 2421438 | 1917-07-28 | 221.59 |
| -103 | 2421656 | 1918-03-03 | 221.08 |
| -101 | 2422114 | 1919-06-04 | 220.95 |
| -100 | 2422322 | 1919-12-29 | 221.74 |
| -99 | 2422547 | 1920-08-10 | 222.5 |
| -98 | 2422778 | 1921-03-29 | 222.73 |
| -97 | 2422998 | 1921-11-04 | 222.62 |
| -96 | 2423217 | 1922-06-11 | 222.47 |
| -95 | 2423443 | 1923-01-23 | 223.11 |
| -94 | 2423662 | 1923-08-30 | 222.95 |
| -93 | 2423888 | 1924-04-12 | 222.72 |
| -92 | 2424106 | 1924-11-16 | 222.82 |
| -91 | 2424334 | 1925-07-02 | 222.93 |
| -90 | 2424559 | 1926-02-12 | 222.31 |
| -89 | 2424781 | 1926-09-22 | 222.19 |
| -88 | 2425001 | 1927-04-30 | 221.81 |
| -87 | 2425222 | 1927-12-07 | 221.49 |
| -86 | 2425447 | 1928-07-19 | 221.09 |
| -85 | 2425658 | 1929-02-15 | 220.87 |
| -84 | 2425886 | 1929-10-01 | 220.85 |
| -83 | 2426106 | 1930-05-09 | 221.29 |
| -82 | 2426325 | 1930-12-14 | 221.75 |
| -81 | 2426549 | 1931-07-26 | 222.21 |
| -80 | 2426768 | 1932-03-01 | 222.72 |
| -79 | 2426989 | 1932-10-08 | 222.29 |
| -78 | 2427219 | 1933-05-26 | 222.51 |
| -77 | 2427443 | 1934-01-05 | 222.84 |
| -76 | 2427666 | 1934-08-16 | 222.88 |
| -75 | 2427886 | 1935-03-24 | 222.67 |
| -74 | 2428100 | 1935-10-24 | 222.28 |
| -73 | 2428329 | 1936-06-09 | 222.15 |
| -72 | 2428556 | 1937-01-22 | 222.11 |
| -71 | 2428777 | 1937-08-31 | 222.62 |
| -70 | 2428993 | 1938-04-04 | 222.87 |
| -69 | 2429215 | 1938-11-12 | 222.49 |
| -68 | 2429445 | 1939-06-30 | 222.64 |
| -67 | 2429662 | 1940-02-02 | 222.87 |
| -66 | 2429894 | 1940-09-21 | 223.45 |
| -65 | 2430111 | 1941-04-26 | 223.22 |
| -64 | 2430322 | 1941-11-23 | 223.04 |
| -63 | 2430564 | 1942-07-23 | 222.65 |
| -62 | 2430784 | 1943-02-28 | 222.59 |
| -61 | 2431010 | 1943-10-12 | 222.33 |
| -60 | 2431218 | 1944-05-07 | 222.75 |
| -59 | 2431448 | 1944-12-23 | 223.12 |
| -58 | 2431668 | 1945-07-31 | 222.47 |
| -57 | 2431890 | 1946-03-10 | 222.41 |
| -56 | 2432114 | 1946-10-20 | 223.06 |
| -55 | 2432341 | 1947-06-04 | 223.59 |
| -54 | 2432569 | 1948-01-18 | 223.05 |
| -53 | 2432785 | 1948-08-21 | 223.01 |
| -52 | 2433000 | 1949-03-24 | 223.25 |
| -51 | 2433239 | 1949-11-18 | 222.94 |
| -50 | 2433456 | 1950-06-23 | 222.58 |
| -49 | 2433672 | 1951-01-25 | 222.83 |
| -48 | 2433898 | 1951-09-08 | 223.6 |
| -47 | 2434130 | 1952-04-27 | 223.92 |
| -46 | 2434344 | 1952-11-27 | 224.08 |
| -45 | 2434565 | 1953-07-06 | 224.89 |
| -44 | 2434796 | 1954-02-22 | 225.7 |
| -43 | 2435025 | 1954-10-09 | 226.14 |
| -42 | 2435247 | 1955-05-19 | 226.36 |
| -41 | 2435478 | 1956-01-05 | 227.43 |
| -40 | 2435701 | 1956-08-15 | 227.44 |
| -39 | 2435933 | 1957-04-04 | 227.28 |
| -38 | 2436161 | 1957-11-18 | 227.02 |
| -37 | 2436383 | 1958-06-28 | 226.54 |
| -36 | 2436620 | 1959-02-20 | 225.82 |
| -35 | 2436838 | 1959-09-26 | 224.87 |
| -34 | 2437068 | 1960-05-13 | 223.68 |
| -33 | 2437289 | 1960-12-20 | 223.07 |
| -32 | 2437508 | 1961-07-27 | 222.64 |
| -31 | 2437733 | 1962-03-09 | 222.14 |
| -30 | 2437948 | 1962-10-10 | 222.65 |
| -29 | 2438169 | 1963-05-19 | 223.15 |
| -28 | 2438397 | 1964-01-02 | 224.28 |
| -27 | 2438620 | 1964-08-12 | 224.87 |
| -26 | 2438844 | 1965-03-24 | 225.54 |
| -25 | 2439074 | 1965-11-09 | 225.85 |
| -24 | 2439303 | 1966-06-26 | 225.72 |
| -23 | 2439534 | 1967-02-12 | 225.23 |
| -22 | 2439750 | 1967-09-16 | 224.44 |
| -21 | 2439981 | 1968-05-04 | 224.01 |
| -20 | 2440198 | 1968-12-07 | 223.91 |
| -19 | 2440423 | 1969-07-20 | 224.15 |
| -18 | 2440645 | 1970-02-27 | 224.21 |
| -17 | 2440860 | 1970-09-30 | 224.65 |
| -16 | 2441093 | 1971-05-21 | 225.09 |
| -15 | 2441326 | 1972-01-09 | 225.55 |
| -14 | 2441554 | 1972-08-24 | 225.82 |
| -13 | 2441771 | 1973-03-29 | 225.65 |
| -12 | 2441996 | 1973-11-09 | 225.49 |
| -11 | 2442229 | 1974-06-30 | 225.01 |
| -10 | 2442448 | 1975-02-04 | 224.45 |
| -9 | 2442677 | 1975-09-21 | 224.34 |
| -8 | 2442893 | 1976-04-24 | 224.82 |
| -7 | 2443121 | 1976-12-08 | 224.44 |
| -6 | 2443351 | 1977-07-26 | 224.15 |
| -5 | 2443568 | 1978-02-28 | 224.19 |
| -4 | 2443793 | 1978-10-11 | 224.09 |
| -3 | 2444026 | 1979-06-01 | 224.15 |
| -2 | 2444241 | 1980-01-02 | 223.75 |
| -1 | 2444467 | 1980-08-15 | 223.96 |
| 0 | 2444689 | 1981-03-25 | 223.84 |
| 1 | 2444915 | 1981-11-06 | 223.88 |
| 2 | 2445137 | 1982-06-16 | 223.43 |
| 3 | 2445360 | 1983-01-25 | 223.43 |
| 4 | 2445593 | 1983-09-15 | 223.14 |
| 5 | 2445804 | 1984-04-13 | 222.84 |
| 6 | 2446038 | 1984-12-03 | 222.36 |
| 7 | 2446251 | 1985-07-04 | 222.05 |
| 8 | 2446473 | 1986-02-11 | 221.61 |
| 9 | 2446698 | 1986-09-24 | 221.22 |
| 10 | 2446918 | 1987-05-02 | 221.29 |
| 11 | 2447138 | 1987-12-08 | 221.12 |
| 12 | 2447360 | 1988-07-17 | 221.67 |
| 13 | 2447580 | 1989-02-22 | 221.54 |
| 14 | 2447802 | 1989-10-02 | 221.31 |
| 15 | 2448021 | 1990-05-09 | 221.68 |
| 16 | 2448248 | 1990-12-22 | 221.75 |
| 17 | 2448472 | 1991-08-03 | 221.75 |
| 18 | 2448688 | 1992-03-06 | 221.71 |
| 19 | 2448907 | 1992-10-11 | 222.06 |
| 20 | 2449137 | 1993-05-29 | 222.23 |
| 21 | 2449354 | 1994-01-01 | 222.11 |
| 22 | 2449576 | 1994-08-11 | 222.45 |
| 23 | 2449796 | 1995-03-19 | 222.78 |
| 24 | 2450028 | 1995-11-06 | 222.92 |
| 25 | 2450247 | 1996-06-12 | 223.17 |
| 26 | 2450467 | 1997-01-18 | 224.09 |
| 27 | 2450694 | 1997-09-02 | 224.55 |
| 28 | 2450914 | 1998-04-10 | 224.54 |
| 29 | 2451139 | 1998-11-21 | 224.41 |
| 30 | 2451369 | 1999-07-09 | 224.9 |
| 31 | 2451600 | 2000-02-25 | 225.28 |
| 32 | 2451822 | 2000-10-04 | 225.62 |
| 33 | 2452039 | 2001-05-09 | 225.56 |
| 34 | 2452265 | 2001-12-21 | 224.75 |
| 35 | 2452494 | 2002-08-07 | 224.81 |
| 36 | 2452722 | 2003-03-23 | 224.95 |
| 37 | 2452952 | 2003-11-08 | 225.39 |
| 38 | 2453168 | 2004-06-11 | 226 |
| 39 | 2453382 | 2005-01-11 | 225.6 |
| 40 | 2453625 | 2005-09-11 | 224.75 |
| 41 | 2453848 | 2006-04-22 | 224.5 |
| 42 | 2454073 | 2006-12-03 | 224.44 |
| 43 | 2454305 | 2007-07-23 | 224.79 |
| 44 | 2454519 | 2008-02-22 | 224.46 |
| 45 | 2454734 | 2008-09-24 | 223.27 |
| 46 | 2454966 | 2009-05-14 | 223.04 |
| 47 | 2455191 | 2009-12-25 | 222.93 |
| 48 | 2455418 | 2010-08-09 | 222.8 |
| 49 | 2455637 | 2011-03-16 | 223.16 |
| 50 | 2455855 | 2011-10-20 | 223.3 |
| 51 | 2456079 | 2012-05-31 | 223.01 |
| 52 | 2456305 | 2013-01-12 | 222.73 |
| 53 | 2456526 | 2013-08-21 | 222.77 |
| 54 | 2456749 | 2014-04-01 | 223.05 |
| 55 | 2456976 | 2014-11-14 | 223.26 |
| 56 | 2457200 | 2015-06-26 | 223.38 |
| 57 | 2457415 | 2016-01-27 | 223.15 |
| 58 | 2457642 | 2016-09-10 | 223.04 |
| 59 | 2457865 | 2017-04-21 | 223.06 |
| 60 | 2458090 | 2017-12-02 | 222.78 |
| 61 | 2458317 | 2018-07-17 | 223.19 |
| 62 | 2458533 | 2019-02-18 | 223.25 |
| 63 | 2458755 | 2019-09-28 | 222.88 |
| 64 | 2458983 | 2020-05-13 | 222.79 |
| 65 | 2459200 | 2020-12-16 | 222.63 |
| 66 | 2459433 | 2021-08-06 | 222.58 |
| 67 | 2459648 | 2022-03-09 | 223.11 |
| 68 | 2459870 | 2022-10-17 | 222.94 |
| 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. |