| E | O (JD) | O (dat) | Period |
| -163 | 2399410 | 1857-04-05 | 281.8 |
| -134 | 2407508 | 1879-06-07 | 281.91 |
| -132 | 2408106 | 1881-01-25 | 281.99 |
| -131 | 2408392 | 1881-11-07 | 281.04 |
| -130 | 2408672 | 1882-08-14 | 282 |
| -129 | 2408956 | 1883-05-25 | 283.32 |
| -128 | 2409237 | 1884-03-01 | 279.73 |
| -126 | 2409801 | 1885-09-16 | 278.67 |
| -125 | 2410089 | 1886-07-01 | 277.79 |
| -122 | 2410908 | 1888-09-27 | 277.29 |
| -119 | 2411744 | 1891-01-11 | 276.57 |
| -118 | 2412008 | 1891-10-02 | 276 |
| -117 | 2412287 | 1892-07-07 | 276.39 |
| -116 | 2412561 | 1893-04-07 | 276.37 |
| -115 | 2412838 | 1894-01-09 | 277.77 |
| -114 | 2413124 | 1894-10-22 | 280.8 |
| -113 | 2413401 | 1895-07-26 | 282.14 |
| -112 | 2413673 | 1896-04-23 | 282.54 |
| -108 | 2414801 | 1899-05-26 | 282.36 |
| -107 | 2415110 | 1900-03-31 | 281.96 |
| -105 | 2415663 | 1901-10-05 | 282.73 |
| -104 | 2415952 | 1902-07-21 | 283.63 |
| -103 | 2416222 | 1903-04-17 | 281.82 |
| -102 | 2416506 | 1904-01-26 | 281.14 |
| -101 | 2416788 | 1904-11-03 | 281.79 |
| -100 | 2417075 | 1905-08-17 | 280.72 |
| -99 | 2417345 | 1906-05-14 | 281.07 |
| -98 | 2417645 | 1907-03-10 | 280.57 |
| -97 | 2417915 | 1907-12-05 | 279.93 |
| -96 | 2418189 | 1908-09-04 | 278.14 |
| -95 | 2418474 | 1909-06-16 | 275.72 |
| -94 | 2418748 | 1910-03-17 | 275.86 |
| -93 | 2419034 | 1910-12-28 | 276.29 |
| -92 | 2419280 | 1911-08-31 | 275.92 |
| -91 | 2419570 | 1912-06-16 | 275.42 |
| -90 | 2419852 | 1913-03-25 | 275.43 |
| -89 | 2420120 | 1913-12-18 | 277.85 |
| -88 | 2420406 | 1914-09-30 | 277.92 |
| -87 | 2420672 | 1915-06-23 | 275.86 |
| -86 | 2420966 | 1916-04-12 | 276.29 |
| -85 | 2421238 | 1917-01-09 | 276.93 |
| -84 | 2421503 | 1917-10-01 | 277.72 |
| -83 | 2421781 | 1918-07-06 | 277.72 |
| -82 | 2422059 | 1919-04-10 | 276.72 |
| -81 | 2422344 | 1920-01-20 | 277.64 |
| -80 | 2422622 | 1920-10-24 | 279.64 |
| -79 | 2422904 | 1921-08-02 | 280.71 |
| -78 | 2423174 | 1922-04-29 | 281.14 |
| -77 | 2423454 | 1923-02-03 | 281.36 |
| -76 | 2423745 | 1923-11-21 | 281.22 |
| -75 | 2424025 | 1924-08-27 | 282.14 |
| -74 | 2424314 | 1925-06-12 | 282.86 |
| -73 | 2424591 | 1926-03-16 | 282.36 |
| -72 | 2424872 | 1926-12-22 | 283 |
| -71 | 2425156 | 1927-10-02 | 283.22 |
| -70 | 2425432 | 1928-07-04 | 282.57 |
| -69 | 2425720 | 1929-04-18 | 282.72 |
| -68 | 2426012 | 1930-02-04 | 281.79 |
| -67 | 2426292 | 1930-11-11 | 281 |
| -66 | 2426569 | 1931-08-15 | 279.79 |
| -65 | 2426852 | 1932-05-24 | 277.43 |
| -64 | 2427121 | 1933-02-17 | 276.22 |
| -63 | 2427401 | 1933-11-24 | 276.14 |
| -62 | 2427668 | 1934-08-18 | 275.78 |
| -61 | 2427948 | 1935-05-25 | 275.92 |
| -60 | 2428223 | 1936-02-24 | 276.93 |
| -59 | 2428504 | 1936-12-01 | 278.42 |
| -58 | 2428778 | 1937-09-01 | 279.28 |
| -57 | 2429058 | 1938-06-08 | 279 |
| -56 | 2429341 | 1939-03-18 | 279.43 |
| -55 | 2429626 | 1939-12-28 | 280.29 |
| -54 | 2429900 | 1940-09-27 | 280.22 |
| -53 | 2430177 | 1941-07-01 | 278.79 |
| -52 | 2430462 | 1942-04-12 | 278.07 |
| -51 | 2430744 | 1943-01-19 | 278.36 |
| -50 | 2431015 | 1943-10-17 | 279 |
| -49 | 2431287 | 1944-07-15 | 278.57 |
| -48 | 2431573 | 1945-04-27 | 277.79 |
| -47 | 2431850 | 1946-01-29 | 278.43 |
| -46 | 2432133 | 1946-11-08 | 280.36 |
| -45 | 2432406 | 1947-08-08 | 281.64 |
| -44 | 2432689 | 1948-05-17 | 282.07 |
| -43 | 2432968 | 1949-02-20 | 282.43 |
| -42 | 2433259 | 1949-12-08 | 282.92 |
| -41 | 2433544 | 1950-09-19 | 283.85 |
| -40 | 2433828 | 1951-06-30 | 283.64 |
| -39 | 2434109 | 1952-04-06 | 283.07 |
| -38 | 2434391 | 1953-01-13 | 282.64 |
| -37 | 2434678 | 1953-10-27 | 282.14 |
| -36 | 2434950 | 1954-07-26 | 281.93 |
| -35 | 2435240 | 1955-05-12 | 281.43 |
| -34 | 2435520 | 1956-02-16 | 281.36 |
| -33 | 2435802 | 1956-11-24 | 283 |
| -32 | 2436082 | 1957-08-31 | 282.93 |
| -31 | 2436358 | 1958-06-03 | 282.43 |
| -30 | 2436650 | 1959-03-22 | 283.36 |
| -29 | 2436940 | 1960-01-06 | 282.85 |
| -28 | 2437211 | 1960-10-03 | 283.57 |
| -27 | 2437503 | 1961-07-22 | 285.07 |
| -26 | 2437786 | 1962-05-01 | 285.14 |
| -25 | 2438058 | 1963-01-28 | 285.43 |
| -24 | 2438352 | 1963-11-18 | 285.57 |
| -23 | 2438647 | 1964-09-08 | 285.29 |
| -22 | 2438935 | 1965-06-23 | 285.79 |
| -21 | 2439212 | 1966-03-27 | 285.36 |
| -20 | 2439500 | 1967-01-09 | 283.43 |
| -19 | 2439783 | 1967-10-19 | 282.22 |
| -18 | 2440062 | 1968-07-24 | 281.29 |
| -17 | 2440343 | 1969-05-01 | 279.72 |
| -16 | 2440624 | 1970-02-06 | 278.43 |
| -15 | 2440909 | 1970-11-18 | 278.22 |
| -14 | 2441176 | 1971-08-12 | 278.29 |
| -13 | 2441452 | 1972-05-14 | 277.79 |
| -12 | 2441729 | 1973-02-15 | 277.07 |
| -11 | 2442011 | 1973-11-24 | 277.14 |
| -10 | 2442290 | 1974-08-30 | 277.43 |
| -9 | 2442566 | 1975-06-02 | 276.85 |
| -8 | 2442846 | 1976-03-08 | 276.35 |
| -7 | 2443119 | 1976-12-06 | 276.64 |
| -6 | 2443393 | 1977-09-06 | 276.93 |
| -5 | 2443664 | 1978-06-04 | 276.29 |
| -4 | 2443945 | 1979-03-12 | 275.57 |
| -3 | 2444229 | 1979-12-21 | 275.22 |
| -2 | 2444504 | 1980-09-21 | 275.64 |
| -1 | 2444776 | 1981-06-20 | 276.07 |
| 0 | 2445047 | 1982-03-18 | 275.36 |
| 1 | 2445318 | 1982-12-14 | 274.93 |
| 2 | 2445598 | 1983-09-20 | 276.29 |
| 3 | 2445876 | 1984-06-24 | 278.29 |
| 4 | 2446153 | 1985-03-28 | 278.72 |
| 5 | 2446429 | 1985-12-29 | 278.22 |
| 6 | 2446719 | 1986-10-15 | 277.57 |
| 7 | 2447000 | 1987-07-23 | 278 |
| 8 | 2447267 | 1988-04-15 | 279.57 |
| 9 | 2447544 | 1989-01-17 | 279.57 |
| 10 | 2447816 | 1989-10-16 | 278.07 |
| 11 | 2448105 | 1990-08-01 | 278.57 |
| 12 | 2448391 | 1991-05-14 | 279.71 |
| 13 | 2448671 | 1992-02-18 | 280.36 |
| 14 | 2448941 | 1992-11-14 | 280.72 |
| 15 | 2449226 | 1993-08-26 | 279.86 |
| 16 | 2449501 | 1994-05-28 | 279.5 |
| 17 | 2449784 | 1995-03-07 | 280.22 |
| 18 | 2450067 | 1995-12-15 | 280.64 |
| 19 | 2450347 | 1996-09-20 | 280.93 |
| 20 | 2450628 | 1997-06-28 | 281.43 |
| 21 | 2450907 | 1998-04-03 | 281.78 |
| 22 | 2451189 | 1999-01-10 | 282.49 |
| 23 | 2451471 | 1999-10-19 | 282.64 |
| 24 | 2451754 | 2000-07-28 | 281.64 |
| 25 | 2452042 | 2001-05-12 | 281.22 |
| 26 | 2452327 | 2002-02-21 | 281.5 |
| 27 | 2452605 | 2002-11-26 | 281.14 |
| 28 | 2452873 | 2003-08-21 | 280.57 |
| 29 | 2453160 | 2004-06-03 | 280.22 |
| 30 | 2453441 | 2005-03-11 | 279.14 |
| 31 | 2453720 | 2005-12-15 | 279 |
| 32 | 2454004 | 2006-09-25 | 279.22 |
| 33 | 2454288 | 2007-07-06 | 278.22 |
| 34 | 2454552 | 2008-03-26 | 278.29 |
| 35 | 2454832 | 2008-12-31 | 279.14 |
| 36 | 2455110 | 2009-10-05 | 279.07 |
| 37 | 2455386 | 2010-07-08 | 279.64 |
| 38 | 2455671 | 2011-04-19 | 280.49 |
| 39 | 2455961 | 2012-02-03 | 280.21 |
| 40 | 2456238 | 2012-11-06 | 280.86 |
| 41 | 2456517 | 2013-08-12 | 281.21 |
| 42 | 2456794 | 2014-05-16 | 280.28 |
| 43 | 2457071 | 2015-02-17 | 280.64 |
| 44 | 2457357 | 2015-11-30 | 281.64 |
| 45 | 2457637 | 2016-09-05 | 282.29 |
| 46 | 2457919 | 2017-06-14 | 282.64 |
| 47 | 2458209 | 2018-03-31 | 282.14 |
| 48 | 2458489 | 2019-01-05 | 282.43 |
| 49 | 2458774 | 2019-10-17 | 283.29 |
| 50 | 2459048 | 2020-07-17 | 282.84 |
| 51 | 2459330 | 2021-04-25 | 281.65 |
| 52 | 2459618 | 2022-02-07 | 281.16 |
| 53 | 2459904 | 2022-11-20 | 280.41 |
| 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. |