| E | O (JD) | O (dat) | Period |
| -159 | 2396565 | 1849-06-21 | 294.84 |
| -114 | 2409711 | 1885-06-18 | 294.96 |
| -110 | 2410933 | 1888-10-22 | 294.93 |
| -102 | 2413310 | 1895-04-26 | 293.71 |
| -99 | 2414190 | 1897-09-22 | 294.12 |
| -98 | 2414490 | 1898-07-19 | 295.28 |
| -97 | 2414778 | 1899-05-03 | 293.81 |
| -94 | 2415640 | 1901-09-12 | 292.37 |
| -93 | 2415930 | 1902-06-29 | 291.18 |
| -92 | 2416230 | 1903-04-25 | 291.28 |
| -89 | 2417121 | 1905-10-02 | 293.19 |
| -88 | 2417396 | 1906-07-04 | 293.55 |
| -87 | 2417690 | 1907-04-24 | 292.6 |
| -86 | 2417986 | 1908-02-14 | 291.95 |
| -84 | 2418589 | 1909-10-09 | 292.25 |
| -83 | 2418852 | 1910-06-29 | 293.5 |
| -82 | 2419160 | 1911-05-03 | 292.9 |
| -79 | 2420030 | 1913-09-19 | 293 |
| -78 | 2420332 | 1914-07-18 | 295.39 |
| -77 | 2420624 | 1915-05-06 | 295.44 |
| -76 | 2420910 | 1916-02-16 | 295.12 |
| -75 | 2421232 | 1917-01-03 | 297.57 |
| -74 | 2421526 | 1917-10-24 | 298.14 |
| -73 | 2421804 | 1918-07-29 | 298.43 |
| -72 | 2422108 | 1919-05-29 | 296.36 |
| -71 | 2422420 | 1920-04-05 | 293.29 |
| -70 | 2422710 | 1921-01-20 | 294 |
| -69 | 2423002 | 1921-11-08 | 293.93 |
| -68 | 2423289 | 1922-08-22 | 292.14 |
| -67 | 2423575 | 1923-06-04 | 291.36 |
| -66 | 2423871 | 1924-03-26 | 291.14 |
| -65 | 2424156 | 1925-01-05 | 292.07 |
| -64 | 2424462 | 1925-11-07 | 293.72 |
| -63 | 2424747 | 1926-08-19 | 293.86 |
| -62 | 2425041 | 1927-06-09 | 293.57 |
| -61 | 2425339 | 1928-04-02 | 293.78 |
| -60 | 2425637 | 1929-01-25 | 294.64 |
| -59 | 2425923 | 1929-11-07 | 294.78 |
| -58 | 2426214 | 1930-08-25 | 292.99 |
| -57 | 2426517 | 1931-06-24 | 292.22 |
| -56 | 2426817 | 1932-04-19 | 292.79 |
| -55 | 2427098 | 1933-01-25 | 293.86 |
| -54 | 2427384 | 1933-11-07 | 294.29 |
| -53 | 2427683 | 1934-09-02 | 293.93 |
| -52 | 2427976 | 1935-06-22 | 294.22 |
| -51 | 2428275 | 1936-04-16 | 295.14 |
| -50 | 2428576 | 1937-02-11 | 295 |
| -49 | 2428873 | 1937-12-05 | 294.29 |
| -48 | 2429161 | 1938-09-19 | 293.29 |
| -47 | 2429453 | 1939-07-08 | 291.72 |
| -46 | 2429744 | 1940-04-24 | 290.43 |
| -45 | 2430035 | 1941-02-09 | 290.14 |
| -44 | 2430322 | 1941-11-23 | 291 |
| -43 | 2430613 | 1942-09-10 | 292.36 |
| -42 | 2430902 | 1943-06-26 | 292.64 |
| -41 | 2431194 | 1944-04-13 | 291.57 |
| -40 | 2431494 | 1945-02-07 | 291.86 |
| -39 | 2431796 | 1945-12-06 | 293.71 |
| -38 | 2432080 | 1946-09-16 | 294.71 |
| -37 | 2432359 | 1947-06-22 | 294.36 |
| -36 | 2432662 | 1948-04-20 | 293.43 |
| -35 | 2432965 | 1949-02-17 | 293.29 |
| -34 | 2433257 | 1949-12-06 | 294.29 |
| -33 | 2433552 | 1950-09-27 | 294.14 |
| -32 | 2433846 | 1951-07-18 | 292.64 |
| -31 | 2434136 | 1952-05-03 | 292.5 |
| -30 | 2434423 | 1953-02-14 | 293.07 |
| -29 | 2434716 | 1953-12-04 | 293.07 |
| -28 | 2435008 | 1954-09-22 | 292.57 |
| -27 | 2435309 | 1955-07-20 | 291.79 |
| -26 | 2435603 | 1956-05-09 | 291.57 |
| -25 | 2435898 | 1957-02-28 | 291.36 |
| -24 | 2436180 | 1957-12-07 | 291.43 |
| -23 | 2436464 | 1958-09-17 | 291.72 |
| -22 | 2436757 | 1959-07-07 | 290.57 |
| -21 | 2437046 | 1960-04-21 | 289.92 |
| -20 | 2437351 | 1961-02-20 | 291 |
| -19 | 2437645 | 1961-12-11 | 291.64 |
| -18 | 2437924 | 1962-09-16 | 291.5 |
| -17 | 2438213 | 1963-07-02 | 290.57 |
| -16 | 2438505 | 1964-04-19 | 289 |
| -15 | 2438799 | 1965-02-07 | 289.36 |
| -14 | 2439085 | 1965-11-20 | 291.07 |
| -13 | 2439380 | 1966-09-11 | 291.43 |
| -12 | 2439662 | 1967-06-20 | 291.35 |
| -11 | 2439958 | 1968-04-11 | 291.35 |
| -10 | 2440254 | 1969-02-01 | 290.79 |
| -9 | 2440544 | 1969-11-18 | 290.85 |
| -8 | 2440839 | 1970-09-09 | 291.42 |
| -7 | 2441124 | 1971-06-21 | 291.72 |
| -6 | 2441412 | 1972-04-04 | 292.14 |
| -5 | 2441702 | 1973-01-19 | 292 |
| -4 | 2441998 | 1973-11-11 | 292.64 |
| -3 | 2442298 | 1974-09-07 | 293.86 |
| -2 | 2442590 | 1975-06-26 | 294.57 |
| -1 | 2442881 | 1976-04-12 | 295 |
| 0 | 2443179 | 1977-02-04 | 294.22 |
| 1 | 2443471 | 1977-11-23 | 293.86 |
| 2 | 2443767 | 1978-09-15 | 294.36 |
| 3 | 2444063 | 1979-07-08 | 294.93 |
| 4 | 2444352 | 1980-04-22 | 295.57 |
| 5 | 2444650 | 1981-02-14 | 295.14 |
| 6 | 2444942 | 1981-12-03 | 294.29 |
| 7 | 2445247 | 1982-10-04 | 294.22 |
| 8 | 2445541 | 1983-07-25 | 293.71 |
| 9 | 2445829 | 1984-05-08 | 294.35 |
| 10 | 2446121 | 1985-02-24 | 294.5 |
| 11 | 2446413 | 1985-12-13 | 292.85 |
| 12 | 2446701 | 1986-09-27 | 292.99 |
| 13 | 2447012 | 1987-08-04 | 294.14 |
| 14 | 2447300 | 1988-05-18 | 294.64 |
| 15 | 2447588 | 1989-03-02 | 295.57 |
| 16 | 2447884 | 1989-12-23 | 295.93 |
| 17 | 2448184 | 1990-10-19 | 294.93 |
| 18 | 2448475 | 1991-08-06 | 295.43 |
| 19 | 2448777 | 1992-06-03 | 297.5 |
| 20 | 2449079 | 1993-04-01 | 298.22 |
| 21 | 2449362 | 1994-01-09 | 297.79 |
| 22 | 2449662 | 1994-11-05 | 297.07 |
| 23 | 2449975 | 1995-09-14 | 296.07 |
| 24 | 2450268 | 1996-07-03 | 297.29 |
| 25 | 2450560 | 1997-04-21 | 298.57 |
| 26 | 2450851 | 1998-02-06 | 297.72 |
| 27 | 2451150 | 1998-12-02 | 297.57 |
| 28 | 2451453 | 1999-10-01 | 298.28 |
| 29 | 2451751 | 2000-07-25 | 299.57 |
| 30 | 2452054 | 2001-05-24 | 300.86 |
| 31 | 2452355 | 2002-03-21 | 300.72 |
| 32 | 2452649 | 2003-01-09 | 300.22 |
| 33 | 2452956 | 2003-11-12 | 299.57 |
| 34 | 2453257 | 2004-09-08 | 298.93 |
| 35 | 2453556 | 2005-07-04 | 298.64 |
| 36 | 2453851 | 2006-04-25 | 297.57 |
| 37 | 2454148 | 2007-02-16 | 296.22 |
| 38 | 2454446 | 2007-12-11 | 295.64 |
| 39 | 2454739 | 2008-09-29 | 294.57 |
| 40 | 2455032 | 2009-07-19 | 294 |
| 41 | 2455328 | 2010-05-11 | 293.07 |
| 42 | 2455624 | 2011-03-03 | 292.21 |
| 43 | 2455907 | 2011-12-11 | 292.64 |
| 44 | 2456208 | 2012-10-07 | 292 |
| 45 | 2456489 | 2013-07-15 | 291.14 |
| 46 | 2456787 | 2014-05-09 | 291.22 |
| 47 | 2457081 | 2015-02-27 | 290.93 |
| 48 | 2457367 | 2015-12-10 | 291.36 |
| 49 | 2457661 | 2016-09-29 | 292.07 |
| 50 | 2457947 | 2017-07-12 | 292 |
| 51 | 2458241 | 2018-05-02 | 292.72 |
| 52 | 2458535 | 2019-02-20 | 293.72 |
| 53 | 2458830 | 2019-12-12 | 294.35 |
| 54 | 2459126 | 2020-10-03 | 294.91 |
| 55 | 2459420 | 2021-07-24 | 295.34 |
| 56 | 2459720 | 2022-05-20 | 295.62 |
| 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. |