| E | O (JD) | O (dat) | Period |
| -185 | 2398837 | 1855-09-10 | 281.4 |
| -155 | 2407324 | 1878-12-05 | 281.38 |
| -139 | 2411791 | 1891-02-27 | 281.21 |
| -138 | 2412074 | 1891-12-07 | 281.12 |
| -137 | 2412356 | 1892-09-14 | 281.02 |
| -136 | 2412622 | 1893-06-07 | 280.9 |
| -135 | 2412916 | 1894-03-28 | 278.43 |
| -134 | 2413167 | 1894-12-04 | 277.44 |
| -133 | 2413456 | 1895-09-19 | 278.02 |
| -132 | 2413730 | 1896-06-19 | 278.76 |
| -131 | 2414001 | 1897-03-17 | 279.53 |
| -130 | 2414292 | 1898-01-02 | 280.45 |
| -129 | 2414582 | 1898-10-19 | 282.57 |
| -128 | 2414861 | 1899-07-25 | 283.2 |
| -127 | 2415139 | 1900-04-29 | 284.44 |
| -126 | 2415414 | 1901-01-29 | 285.32 |
| -125 | 2415710 | 1901-11-21 | 285.25 |
| -124 | 2416001 | 1902-09-08 | 285.09 |
| -123 | 2416284 | 1903-06-18 | 285.7 |
| -122 | 2416574 | 1904-04-03 | 285.98 |
| -121 | 2416861 | 1905-01-15 | 285.65 |
| -120 | 2417141 | 1905-10-22 | 285.08 |
| -119 | 2417418 | 1906-07-26 | 284.53 |
| -118 | 2417712 | 1907-05-16 | 283.95 |
| -117 | 2417996 | 1908-02-24 | 283.12 |
| -116 | 2418276 | 1908-11-30 | 282.15 |
| -115 | 2418568 | 1909-09-18 | 281.62 |
| -114 | 2418844 | 1910-06-21 | 281.08 |
| -113 | 2419121 | 1911-03-25 | 280.66 |
| -112 | 2419400 | 1911-12-29 | 279.99 |
| -111 | 2419672 | 1912-09-26 | 279.29 |
| -110 | 2419957 | 1913-07-08 | 277.84 |
| -109 | 2420240 | 1914-04-17 | 277.85 |
| -108 | 2420530 | 1915-02-01 | 277.65 |
| -107 | 2420794 | 1915-10-23 | 277.5 |
| -106 | 2421069 | 1916-07-24 | 277.68 |
| -105 | 2421331 | 1917-04-12 | 277.26 |
| -104 | 2421624 | 1918-01-30 | 277.26 |
| -103 | 2421899 | 1918-11-01 | 277.85 |
| -102 | 2422179 | 1919-08-08 | 279.15 |
| -101 | 2422463 | 1920-05-18 | 279.29 |
| -100 | 2422736 | 1921-02-15 | 279.16 |
| -99 | 2423016 | 1921-11-22 | 278.42 |
| -98 | 2423301 | 1922-09-03 | 278.6 |
| -97 | 2423581 | 1923-06-10 | 278.45 |
| -96 | 2423849 | 1924-03-04 | 278.45 |
| -95 | 2424124 | 1924-12-04 | 278.95 |
| -94 | 2424407 | 1925-09-13 | 279.25 |
| -93 | 2424691 | 1926-06-24 | 279.81 |
| -92 | 2424967 | 1927-03-27 | 281.02 |
| -91 | 2425248 | 1928-01-02 | 281.98 |
| -90 | 2425532 | 1928-10-12 | 282.31 |
| -89 | 2425814 | 1929-07-21 | 282.54 |
| -88 | 2426099 | 1930-05-02 | 282.45 |
| -87 | 2426388 | 1931-02-15 | 282.8 |
| -86 | 2426664 | 1931-11-18 | 282.89 |
| -85 | 2426945 | 1932-08-25 | 282.55 |
| -84 | 2427232 | 1933-06-08 | 281.86 |
| -83 | 2427507 | 1934-03-10 | 281.58 |
| -82 | 2427796 | 1934-12-24 | 281.25 |
| -81 | 2428080 | 1935-10-04 | 281.8 |
| -80 | 2428356 | 1936-07-06 | 281.66 |
| -79 | 2428629 | 1937-04-05 | 281.27 |
| -78 | 2428919 | 1938-01-20 | 281.45 |
| -77 | 2429197 | 1938-10-25 | 281.3 |
| -76 | 2429489 | 1939-08-13 | 281.49 |
| -75 | 2429763 | 1940-05-13 | 281.86 |
| -74 | 2430040 | 1941-02-14 | 282 |
| -73 | 2430327 | 1941-11-28 | 281.77 |
| -72 | 2430609 | 1942-09-06 | 281.19 |
| -71 | 2430890 | 1943-06-14 | 281 |
| -70 | 2431172 | 1944-03-22 | 280.65 |
| -69 | 2431454 | 1944-12-29 | 279.95 |
| -68 | 2431738 | 1945-10-09 | 279.03 |
| -67 | 2432004 | 1946-07-02 | 279 |
| -66 | 2432296 | 1947-04-20 | 278.65 |
| -65 | 2432562 | 1948-01-11 | 278.4 |
| -64 | 2432840 | 1948-10-15 | 278.31 |
| -63 | 2433118 | 1949-07-20 | 278.32 |
| -62 | 2433409 | 1950-05-07 | 278.45 |
| -61 | 2433680 | 1951-02-02 | 277.89 |
| -60 | 2433959 | 1951-11-08 | 278.07 |
| -59 | 2434238 | 1952-08-13 | 277.34 |
| -58 | 2434515 | 1953-05-17 | 276.89 |
| -57 | 2434789 | 1954-02-15 | 277.01 |
| -56 | 2435065 | 1954-11-18 | 277.43 |
| -55 | 2435343 | 1955-08-23 | 277.69 |
| -54 | 2435613 | 1956-05-19 | 277.42 |
| -53 | 2435896 | 1957-02-26 | 277.37 |
| -52 | 2436186 | 1957-12-13 | 277.81 |
| -51 | 2436457 | 1958-09-10 | 278.38 |
| -50 | 2436738 | 1959-06-18 | 278.55 |
| -49 | 2437003 | 1960-03-09 | 279.01 |
| -48 | 2437282 | 1960-12-13 | 278.88 |
| -47 | 2437569 | 1961-09-26 | 278.82 |
| -46 | 2437854 | 1962-07-08 | 279.53 |
| -45 | 2438127 | 1963-04-07 | 280.26 |
| -44 | 2438412 | 1964-01-17 | 281.1 |
| -43 | 2438689 | 1964-10-20 | 281.71 |
| -42 | 2438966 | 1965-07-24 | 281.92 |
| -41 | 2439249 | 1966-05-03 | 282.45 |
| -40 | 2439537 | 1967-02-15 | 283.35 |
| -39 | 2439818 | 1967-11-23 | 283.81 |
| -38 | 2440111 | 1968-09-11 | 284.57 |
| -37 | 2440389 | 1969-06-16 | 285.08 |
| -36 | 2440673 | 1970-03-27 | 285.94 |
| -35 | 2440960 | 1971-01-08 | 285.93 |
| -34 | 2441244 | 1971-10-19 | 286.43 |
| -33 | 2441532 | 1972-08-02 | 286.14 |
| -32 | 2441818 | 1973-05-15 | 286.26 |
| -31 | 2442119 | 1974-03-12 | 285.78 |
| -30 | 2442391 | 1974-12-09 | 285.45 |
| -29 | 2442685 | 1975-09-29 | 285.25 |
| -28 | 2442960 | 1976-06-30 | 284.75 |
| -27 | 2443246 | 1977-04-12 | 283.72 |
| -26 | 2443526 | 1978-01-17 | 283.08 |
| -25 | 2443816 | 1978-11-03 | 283.3 |
| -24 | 2444103 | 1979-08-17 | 282.45 |
| -23 | 2444384 | 1980-05-24 | 281.88 |
| -22 | 2444655 | 1981-02-19 | 281.49 |
| -21 | 2444945 | 1981-12-06 | 281.14 |
| -20 | 2445228 | 1982-09-15 | 280.37 |
| -19 | 2445500 | 1983-06-14 | 280.29 |
| -18 | 2445775 | 1984-03-15 | 280.67 |
| -17 | 2446067 | 1985-01-01 | 280.9 |
| -16 | 2446346 | 1985-10-07 | 280.6 |
| -15 | 2446621 | 1986-07-09 | 281.36 |
| -14 | 2446907 | 1987-04-21 | 282.23 |
| -13 | 2447191 | 1988-01-30 | 282.55 |
| -12 | 2447468 | 1988-11-02 | 282.75 |
| -11 | 2447748 | 1989-08-09 | 283.25 |
| -10 | 2448042 | 1990-05-30 | 283.73 |
| -9 | 2448324 | 1991-03-08 | 283.73 |
| -8 | 2448605 | 1991-12-14 | 283.55 |
| -7 | 2448893 | 1992-09-27 | 283.27 |
| -6 | 2449173 | 1993-07-04 | 282.68 |
| -5 | 2449459 | 1994-04-16 | 281.4 |
| -4 | 2449741 | 1995-01-23 | 280.41 |
| -3 | 2450018 | 1995-10-27 | 279.28 |
| -2 | 2450297 | 1996-08-01 | 278.07 |
| -1 | 2450579 | 1997-05-10 | 277.25 |
| 0 | 2450850 | 1998-02-05 | 276.72 |
| 1 | 2451124 | 1998-11-06 | 276.18 |
| 2 | 2451399 | 1999-08-08 | 275.72 |
| 3 | 2451675 | 2000-05-10 | 275.46 |
| 4 | 2451952 | 2001-02-11 | 275.69 |
| 5 | 2452234 | 2001-11-20 | 276.35 |
| 6 | 2452503 | 2002-08-16 | 276.67 |
| 7 | 2452775 | 2003-05-15 | 276.53 |
| 8 | 2453054 | 2004-02-18 | 276.96 |
| 9 | 2453337 | 2004-11-27 | 277.26 |
| 10 | 2453616 | 2005-09-02 | 277.8 |
| 11 | 2453891 | 2006-06-04 | 278.93 |
| 12 | 2454160 | 2007-02-28 | 278.9 |
| 13 | 2454450 | 2007-12-15 | 279.06 |
| 14 | 2454726 | 2008-09-16 | 279.37 |
| 15 | 2455009 | 2009-06-26 | 280.1 |
| 16 | 2455295 | 2010-04-08 | 280.51 |
| 17 | 2455559 | 2010-12-28 | 280.88 |
| 18 | 2455848 | 2011-10-13 | 280.58 |
| 19 | 2456131 | 2012-07-22 | 280.8 |
| 20 | 2456416 | 2013-05-03 | 281.48 |
| 21 | 2456690 | 2014-02-01 | 281.78 |
| 22 | 2456974 | 2014-11-12 | 282.23 |
| 23 | 2457253 | 2015-08-18 | 282.18 |
| 24 | 2457535 | 2016-05-26 | 282.73 |
| 25 | 2457831 | 2017-03-18 | 283.17 |
| 26 | 2458104 | 2017-12-16 | 283.65 |
| 27 | 2458383 | 2018-09-21 | 283.63 |
| 28 | 2458673 | 2019-07-08 | 283.78 |
| 29 | 2458962 | 2020-04-22 | 283.67 |
| 30 | 2459243 | 2021-01-28 | 283.26 |
| 31 | 2459524 | 2021-11-05 | 284.21 |
| 32 | 2459806 | 2022-08-14 | 284.26 |
| 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. |