| E | O (JD) | O (dat) | Period |
| -178 | 2412650 | 1893-07-05 | 179.3 |
| -168 | 2414440 | 1898-05-30 | 179.46 |
| -164 | 2415155 | 1900-05-15 | 179.88 |
| -162 | 2415519 | 1901-05-14 | 180.06 |
| -160 | 2415878 | 1902-05-08 | 179.93 |
| -158 | 2416235 | 1903-04-30 | 180.2 |
| -156 | 2416600 | 1904-04-29 | 180.91 |
| -154 | 2416975 | 1905-05-09 | 181.07 |
| -152 | 2417330 | 1906-04-29 | 181.06 |
| -150 | 2417675 | 1907-04-09 | 180.61 |
| -149 | 2417881 | 1907-11-01 | 180.3 |
| -148 | 2418055 | 1908-04-23 | 179.99 |
| -146 | 2418410 | 1909-04-13 | 179.92 |
| -144 | 2418775 | 1910-04-13 | 180.04 |
| -141 | 2419300 | 1911-09-20 | 179.86 |
| -140 | 2419485 | 1912-03-23 | 179.76 |
| -135 | 2420390 | 1914-09-14 | 179.79 |
| -134 | 2420575 | 1915-03-18 | 179.76 |
| -133 | 2420750 | 1915-09-09 | 179.69 |
| -132 | 2420920 | 1916-02-26 | 179.78 |
| -131 | 2421121 | 1916-09-14 | 180 |
| -129 | 2421460 | 1917-08-19 | 179.82 |
| -128 | 2421640 | 1918-02-15 | 179.54 |
| -127 | 2421823 | 1918-08-17 | 179.9 |
| -125 | 2422180 | 1919-08-09 | 179.99 |
| -124 | 2422383 | 1920-02-28 | 179.48 |
| -123 | 2422548 | 1920-08-11 | 179.96 |
| -122 | 2422718 | 1921-01-28 | 179.64 |
| -121 | 2422908 | 1921-08-06 | 179.43 |
| -119 | 2423265 | 1922-07-29 | 179.15 |
| -118 | 2423439 | 1923-01-19 | 178.63 |
| -117 | 2423620 | 1923-07-19 | 179.4 |
| -116 | 2423800 | 1924-01-15 | 179.8 |
| -115 | 2423984 | 1924-07-17 | 179.92 |
| -114 | 2424160 | 1925-01-09 | 180.17 |
| -113 | 2424336 | 1925-07-04 | 180.43 |
| -112 | 2424520 | 1926-01-04 | 180.65 |
| -111 | 2424704 | 1926-07-07 | 180.6 |
| -110 | 2424889 | 1927-01-08 | 180.29 |
| -109 | 2425060 | 1927-06-28 | 180.39 |
| -108 | 2425243 | 1927-12-28 | 180.28 |
| -107 | 2425429 | 1928-07-01 | 179.75 |
| -106 | 2425604 | 1928-12-23 | 179.4 |
| -105 | 2425779 | 1929-06-16 | 179.24 |
| -104 | 2425963 | 1929-12-17 | 179.45 |
| -103 | 2426143 | 1930-06-15 | 178.85 |
| -102 | 2426319 | 1930-12-08 | 178.73 |
| -101 | 2426499 | 1931-06-06 | 179.33 |
| -100 | 2426678 | 1931-12-02 | 179.67 |
| -99 | 2426859 | 1932-05-31 | 179.95 |
| -98 | 2427030 | 1932-11-18 | 180.13 |
| -97 | 2427215 | 1933-05-22 | 180.34 |
| -96 | 2427402 | 1933-11-25 | 180.45 |
| -95 | 2427581 | 1934-05-23 | 180.6 |
| -94 | 2427765 | 1934-11-23 | 180.8 |
| -93 | 2427939 | 1935-05-16 | 181.08 |
| -92 | 2428119 | 1935-11-12 | 180.57 |
| -91 | 2428301 | 1936-05-12 | 180.14 |
| -90 | 2428482 | 1936-11-09 | 180.67 |
| -89 | 2428665 | 1937-05-11 | 180.64 |
| -88 | 2428847 | 1937-11-09 | 181.01 |
| -87 | 2429022 | 1938-05-03 | 181.51 |
| -86 | 2429200 | 1938-10-28 | 181.31 |
| -85 | 2429394 | 1939-05-10 | 181.07 |
| -84 | 2429565 | 1939-10-28 | 180.91 |
| -83 | 2429750 | 1940-04-30 | 180.92 |
| -82 | 2429941 | 1940-11-07 | 180.33 |
| -81 | 2430110 | 1941-04-25 | 180.08 |
| -80 | 2430289 | 1941-10-21 | 179.55 |
| -79 | 2430471 | 1942-04-21 | 179.3 |
| -78 | 2430653 | 1942-10-20 | 178.41 |
| -77 | 2430819 | 1943-04-04 | 177.94 |
| -76 | 2431011 | 1943-10-13 | 177.93 |
| -75 | 2431189 | 1944-04-08 | 178.38 |
| -74 | 2431360 | 1944-09-26 | 178.59 |
| -73 | 2431534 | 1945-03-19 | 179.12 |
| -72 | 2431715 | 1945-09-16 | 179.86 |
| -71 | 2431889 | 1946-03-09 | 179.87 |
| -70 | 2432086 | 1946-09-22 | 180.58 |
| -69 | 2432261 | 1947-03-16 | 181.82 |
| -68 | 2432444 | 1947-09-15 | 181.79 |
| -67 | 2432625 | 1948-03-14 | 181.81 |
| -66 | 2432804 | 1948-09-09 | 181.62 |
| -65 | 2432986 | 1949-03-10 | 181 |
| -64 | 2433179 | 1949-09-19 | 181.05 |
| -63 | 2433344 | 1950-03-03 | 181.15 |
| -62 | 2433533 | 1950-09-08 | 181.39 |
| -61 | 2433711 | 1951-03-05 | 181.47 |
| -60 | 2433892 | 1951-09-02 | 181.31 |
| -59 | 2434071 | 1952-02-28 | 181.15 |
| -58 | 2434259 | 1952-09-03 | 181.48 |
| -57 | 2434442 | 1953-03-05 | 181.26 |
| -56 | 2434621 | 1953-08-31 | 181.21 |
| -55 | 2434800 | 1954-02-26 | 181.19 |
| -54 | 2434981 | 1954-08-26 | 181.13 |
| -53 | 2435159 | 1955-02-20 | 181 |
| -52 | 2435345 | 1955-08-25 | 180.9 |
| -51 | 2435522 | 1956-02-18 | 181.08 |
| -50 | 2435707 | 1956-08-21 | 181.05 |
| -49 | 2435888 | 1957-02-18 | 180.94 |
| -48 | 2436071 | 1957-08-20 | 181.16 |
| -47 | 2436246 | 1958-02-11 | 180.95 |
| -46 | 2436430 | 1958-08-14 | 180.95 |
| -45 | 2436608 | 1959-02-08 | 180.56 |
| -44 | 2436789 | 1959-08-08 | 180.29 |
| -43 | 2436977 | 1960-02-12 | 180.06 |
| -42 | 2437153 | 1960-08-06 | 180.05 |
| -41 | 2437333 | 1961-02-02 | 179.86 |
| -40 | 2437510 | 1961-07-29 | 179.76 |
| -39 | 2437688 | 1962-01-23 | 179.47 |
| -38 | 2437868 | 1962-07-22 | 179.34 |
| -37 | 2438049 | 1963-01-19 | 179.64 |
| -36 | 2438231 | 1963-07-20 | 179.75 |
| -35 | 2438409 | 1964-01-14 | 179.95 |
| -34 | 2438587 | 1964-07-10 | 179.88 |
| -33 | 2438769 | 1965-01-08 | 179.79 |
| -32 | 2438949 | 1965-07-07 | 179.75 |
| -31 | 2439128 | 1966-01-02 | 179.68 |
| -30 | 2439309 | 1966-07-02 | 179.61 |
| -29 | 2439486 | 1966-12-26 | 179.64 |
| -28 | 2439667 | 1967-06-25 | 179.4 |
| -27 | 2439848 | 1967-12-23 | 179.55 |
| -26 | 2440026 | 1968-06-18 | 179.66 |
| -25 | 2440203 | 1968-12-12 | 179.94 |
| -24 | 2440386 | 1969-06-13 | 180.2 |
| -23 | 2440562 | 1969-12-06 | 180.39 |
| -22 | 2440747 | 1970-06-09 | 180.5 |
| -21 | 2440926 | 1970-12-05 | 180.69 |
| -20 | 2441110 | 1971-06-07 | 180.71 |
| -19 | 2441289 | 1971-12-03 | 180.9 |
| -18 | 2441471 | 1972-06-02 | 180.76 |
| -17 | 2441649 | 1972-11-27 | 180.88 |
| -16 | 2441830 | 1973-05-27 | 180.97 |
| -15 | 2442009 | 1973-11-22 | 181.1 |
| -14 | 2442197 | 1974-05-29 | 181.22 |
| -13 | 2442369 | 1974-11-17 | 181.56 |
| -12 | 2442560 | 1975-05-27 | 181.85 |
| -11 | 2442737 | 1975-11-20 | 182.21 |
| -10 | 2442921 | 1976-05-22 | 182.25 |
| -9 | 2443099 | 1976-11-16 | 181.87 |
| -8 | 2443287 | 1977-05-23 | 181.81 |
| -7 | 2443467 | 1977-11-19 | 181.12 |
| -6 | 2443654 | 1978-05-25 | 180.96 |
| -5 | 2443831 | 1978-11-18 | 180.48 |
| -4 | 2444007 | 1979-05-13 | 179.91 |
| -3 | 2444188 | 1979-11-10 | 178.77 |
| -2 | 2444366 | 1980-05-06 | 178.37 |
| -1 | 2444548 | 1980-11-04 | 178.03 |
| 0 | 2444726 | 1981-05-01 | 178.04 |
| 1 | 2444901 | 1981-10-23 | 178.04 |
| 2 | 2445071 | 1982-04-11 | 178.23 |
| 3 | 2445256 | 1982-10-13 | 178.25 |
| 4 | 2445435 | 1983-04-10 | 178.35 |
| 5 | 2445612 | 1983-10-04 | 178.47 |
| 6 | 2445791 | 1984-03-31 | 178.98 |
| 7 | 2445976 | 1984-10-02 | 179.32 |
| 8 | 2446149 | 1985-03-24 | 179.35 |
| 9 | 2446329 | 1985-09-20 | 179.25 |
| 10 | 2446504 | 1986-03-14 | 179.2 |
| 11 | 2446690 | 1986-09-16 | 179.28 |
| 12 | 2446869 | 1987-03-14 | 179.45 |
| 13 | 2447052 | 1987-09-13 | 179.72 |
| 14 | 2447223 | 1988-03-02 | 179.66 |
| 15 | 2447403 | 1988-08-29 | 179.61 |
| 16 | 2447587 | 1989-03-01 | 179.47 |
| 17 | 2447769 | 1989-08-30 | 179.87 |
| 18 | 2447945 | 1990-02-22 | 179.98 |
| 19 | 2448124 | 1990-08-20 | 180.28 |
| 20 | 2448303 | 1991-02-15 | 180.15 |
| 21 | 2448486 | 1991-08-17 | 179.66 |
| 22 | 2448671 | 1992-02-18 | 179.57 |
| 23 | 2448846 | 1992-08-11 | 179.45 |
| 24 | 2449026 | 1993-02-07 | 179.22 |
| 25 | 2449206 | 1993-08-06 | 179.08 |
| 26 | 2449379 | 1994-01-26 | 178.84 |
| 27 | 2449562 | 1994-07-28 | 178.53 |
| 28 | 2449738 | 1995-01-20 | 178.53 |
| 29 | 2449918 | 1995-07-19 | 178.4 |
| 30 | 2450100 | 1996-01-17 | 178.7 |
| 31 | 2450278 | 1996-07-13 | 179.15 |
| 32 | 2450452 | 1997-01-03 | 178.98 |
| 33 | 2450630 | 1997-06-30 | 179.44 |
| 34 | 2450809 | 1997-12-26 | 179.63 |
| 35 | 2450995 | 1998-06-30 | 179.53 |
| 36 | 2451176 | 1998-12-28 | 179.99 |
| 37 | 2451349 | 1999-06-19 | 180.15 |
| 38 | 2451537 | 1999-12-24 | 179.87 |
| 39 | 2451715 | 2000-06-19 | 179.57 |
| 40 | 2451888 | 2000-12-09 | 179.28 |
| 41 | 2452076 | 2001-06-15 | 179.36 |
| 42 | 2452251 | 2001-12-07 | 179.73 |
| 43 | 2452427 | 2002-06-01 | 179.5 |
| 44 | 2452608 | 2002-11-29 | 179.66 |
| 45 | 2452789 | 2003-05-29 | 179.89 |
| 46 | 2452970 | 2003-11-26 | 180.19 |
| 47 | 2453154 | 2004-05-28 | 180.55 |
| 48 | 2453329 | 2004-11-19 | 180.85 |
| 49 | 2453508 | 2005-05-17 | 180.79 |
| 50 | 2453690 | 2005-11-15 | 180.57 |
| 51 | 2453879 | 2006-05-23 | 180.55 |
| 52 | 2454053 | 2006-11-13 | 180.35 |
| 53 | 2454237 | 2007-05-16 | 180.56 |
| 54 | 2454415 | 2007-11-10 | 180.44 |
| 55 | 2454592 | 2008-05-05 | 180.42 |
| 56 | 2454776 | 2008-11-05 | 180.35 |
| 57 | 2454952 | 2009-04-30 | 180.35 |
| 58 | 2455137 | 2009-11-01 | 180.18 |
| 59 | 2455316 | 2010-04-29 | 180.16 |
| 60 | 2455501 | 2010-10-31 | 180.38 |
| 61 | 2455680 | 2011-04-28 | 180.38 |
| 62 | 2455853 | 2011-10-18 | 180.56 |
| 63 | 2456035 | 2012-04-17 | 180.06 |
| 64 | 2456214 | 2012-10-13 | 179.87 |
| 65 | 2456401 | 2013-04-18 | 179.79 |
| 66 | 2456581 | 2013-10-15 | 179.93 |
| 67 | 2456762 | 2014-04-14 | 179.92 |
| 68 | 2456933 | 2014-10-02 | 179.41 |
| 69 | 2457114 | 2015-04-01 | 179.05 |
| 70 | 2457297 | 2015-10-01 | 178.82 |
| 71 | 2457476 | 2016-03-28 | 178.99 |
| 72 | 2457653 | 2016-09-21 | 179.11 |
| 73 | 2457829 | 2017-03-16 | 179.44 |
| 74 | 2458009 | 2017-09-12 | 179.38 |
| 75 | 2458192 | 2018-03-14 | 179.73 |
| 76 | 2458372 | 2018-09-10 | 180.35 |
| 77 | 2458549 | 2019-03-06 | 180.47 |
| 78 | 2458730 | 2019-09-03 | 180.48 |
| 79 | 2458910 | 2020-03-01 | 180.06 |
| 80 | 2459097 | 2020-09-04 | 179.92 |
| 81 | 2459280 | 2021-03-06 | 179.9 |
| 82 | 2459451 | 2021-08-24 | 179.88 |
| 83 | 2459631 | 2022-02-20 | 179.43 |
| 84 | 2459806 | 2022-08-14 | 178.66 |
| 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. |