| E | O (JD) | O (dat) | Period |
| -102 | 2407278 | 1878-10-20 | 354.88 |
| -101 | 2407648 | 1879-10-25 | 355.07 |
| -100 | 2407996 | 1880-10-07 | 355.52 |
| -99 | 2408357 | 1881-10-03 | 355.83 |
| -98 | 2408707 | 1882-09-18 | 356.57 |
| -97 | 2409063 | 1883-09-09 | 356.58 |
| -96 | 2409420 | 1884-08-31 | 355.45 |
| -95 | 2409769 | 1885-08-15 | 356.71 |
| -94 | 2410149 | 1886-08-30 | 357.21 |
| -88 | 2412270 | 1892-06-20 | 355.91 |
| -87 | 2412614 | 1893-05-30 | 356.41 |
| -86 | 2413011 | 1894-07-01 | 357.73 |
| -85 | 2413332 | 1895-05-18 | 359.39 |
| -84 | 2413693 | 1896-05-13 | 361 |
| -83 | 2414050 | 1897-05-05 | 359.46 |
| -76 | 2416600 | 1904-04-29 | 358.7 |
| -75 | 2416960 | 1905-04-24 | 359.89 |
| -74 | 2417310 | 1906-04-09 | 359.42 |
| -73 | 2417661 | 1907-03-26 | 356.82 |
| -72 | 2418008 | 1908-03-07 | 353.61 |
| -71 | 2418374 | 1909-03-08 | 355 |
| -70 | 2418714 | 1910-02-11 | 356.56 |
| -67 | 2419786 | 1913-01-18 | 355.89 |
| -66 | 2420139 | 1914-01-06 | 354.5 |
| -65 | 2420521 | 1915-01-23 | 354.84 |
| -64 | 2420868 | 1916-01-05 | 355.44 |
| -63 | 2421207 | 1916-12-09 | 356.36 |
| -62 | 2421556 | 1917-11-23 | 356.57 |
| -61 | 2421919 | 1918-11-21 | 354.21 |
| -60 | 2422268 | 1919-11-05 | 356 |
| -59 | 2422646 | 1920-11-17 | 358.35 |
| -58 | 2423006 | 1921-11-12 | 357.64 |
| -57 | 2423342 | 1922-10-14 | 356.36 |
| -56 | 2423717 | 1923-10-24 | 355.29 |
| -55 | 2424063 | 1924-10-04 | 355.72 |
| -54 | 2424419 | 1925-09-25 | 357.86 |
| -53 | 2424757 | 1926-08-29 | 357.79 |
| -52 | 2425131 | 1927-09-07 | 357.93 |
| -51 | 2425501 | 1928-09-11 | 360.72 |
| -50 | 2425857 | 1929-09-02 | 363.29 |
| -49 | 2426211 | 1930-08-22 | 364.22 |
| -48 | 2426580 | 1931-08-26 | 362.93 |
| -47 | 2426952 | 1932-09-01 | 362.07 |
| -46 | 2427310 | 1933-08-25 | 362.22 |
| -45 | 2427677 | 1934-08-27 | 361.57 |
| -44 | 2428036 | 1935-08-21 | 359.57 |
| -43 | 2428391 | 1936-08-10 | 359.36 |
| -42 | 2428748 | 1937-08-02 | 359.35 |
| -41 | 2429105 | 1938-07-25 | 358.14 |
| -40 | 2429461 | 1939-07-16 | 358.5 |
| -39 | 2429832 | 1940-07-21 | 358.07 |
| -38 | 2430186 | 1941-07-10 | 357.71 |
| -37 | 2430541 | 1942-06-30 | 359 |
| -36 | 2430905 | 1943-06-29 | 358 |
| -35 | 2431247 | 1944-06-05 | 356.64 |
| -34 | 2431614 | 1945-06-07 | 356.79 |
| -33 | 2431978 | 1946-06-06 | 356.07 |
| -32 | 2432327 | 1947-05-21 | 357.64 |
| -31 | 2432684 | 1948-05-12 | 359.64 |
| -30 | 2433038 | 1949-05-01 | 359.14 |
| -29 | 2433393 | 1950-04-21 | 359.07 |
| -28 | 2433766 | 1951-04-29 | 359 |
| -27 | 2434130 | 1952-04-27 | 359.22 |
| -26 | 2434490 | 1953-04-22 | 359.57 |
| -25 | 2434842 | 1954-04-09 | 358.86 |
| -24 | 2435195 | 1955-03-28 | 357.93 |
| -23 | 2435556 | 1956-03-23 | 357.79 |
| -22 | 2435909 | 1957-03-11 | 357.35 |
| -21 | 2436274 | 1958-03-11 | 357.07 |
| -20 | 2436633 | 1959-03-05 | 357.79 |
| -19 | 2436996 | 1960-03-02 | 359.64 |
| -18 | 2437339 | 1961-02-08 | 359.72 |
| -17 | 2437697 | 1962-02-01 | 358.64 |
| -16 | 2438063 | 1963-02-02 | 357.5 |
| -15 | 2438437 | 1964-02-11 | 357.72 |
| -14 | 2438782 | 1965-01-21 | 359.57 |
| -13 | 2439146 | 1966-01-20 | 358.79 |
| -12 | 2439488 | 1966-12-28 | 356.28 |
| -11 | 2439855 | 1967-12-30 | 355.99 |
| -10 | 2440215 | 1968-12-24 | 356.57 |
| -9 | 2440568 | 1969-12-12 | 357.49 |
| -8 | 2440920 | 1970-11-29 | 357.85 |
| -7 | 2441283 | 1971-11-27 | 357.57 |
| -6 | 2441637 | 1972-11-15 | 357.72 |
| -5 | 2442002 | 1973-11-15 | 357.43 |
| -4 | 2442351 | 1974-10-30 | 356.29 |
| -3 | 2442725 | 1975-11-08 | 354.86 |
| -2 | 2443066 | 1976-10-14 | 354.86 |
| -1 | 2443426 | 1977-10-09 | 355.07 |
| 0 | 2443765 | 1978-09-13 | 353.43 |
| 1 | 2444123 | 1979-09-06 | 353.86 |
| 2 | 2444484 | 1980-09-01 | 355.93 |
| 3 | 2444840 | 1981-08-23 | 356.07 |
| 4 | 2445184 | 1982-08-02 | 357.43 |
| 5 | 2445561 | 1983-08-14 | 357.79 |
| 6 | 2445914 | 1984-08-01 | 356.79 |
| 7 | 2446262 | 1985-07-15 | 357.14 |
| 8 | 2446630 | 1986-07-18 | 356.64 |
| 9 | 2446986 | 1987-07-09 | 355.71 |
| 10 | 2447333 | 1988-06-20 | 356.57 |
| 11 | 2447691 | 1989-06-13 | 356.78 |
| 12 | 2448047 | 1990-06-04 | 357.35 |
| 13 | 2448408 | 1991-05-31 | 359.14 |
| 14 | 2448760 | 1992-05-17 | 360.07 |
| 15 | 2449127 | 1993-05-19 | 360.43 |
| 16 | 2449492 | 1994-05-19 | 362.07 |
| 17 | 2449855 | 1995-05-17 | 362.86 |
| 18 | 2450210 | 1996-05-06 | 362.57 |
| 19 | 2450574 | 1997-05-05 | 362 |
| 20 | 2450950 | 1998-05-16 | 361.57 |
| 21 | 2451298 | 1999-04-29 | 361.29 |
| 22 | 2451665 | 2000-04-30 | 360.07 |
| 23 | 2452022 | 2001-04-22 | 358.5 |
| 24 | 2452387 | 2002-04-22 | 356.43 |
| 25 | 2452736 | 2003-04-06 | 356 |
| 26 | 2453089 | 2004-03-24 | 355.72 |
| 27 | 2453454 | 2005-03-24 | 353.93 |
| 28 | 2453784 | 2006-02-17 | 352.49 |
| 29 | 2454163 | 2007-03-03 | 352.49 |
| 30 | 2454504 | 2008-02-07 | 351.72 |
| 31 | 2454860 | 2009-01-28 | 352 |
| 32 | 2455198 | 2010-01-01 | 352.36 |
| 33 | 2455562 | 2010-12-31 | 350.14 |
| 34 | 2455905 | 2011-12-09 | 349.22 |
| 35 | 2456261 | 2012-11-29 | 352.14 |
| 36 | 2456619 | 2013-11-22 | 354.5 |
| 37 | 2456950 | 2014-10-19 | 354.64 |
| 38 | 2457303 | 2015-10-07 | 357.28 |
| 39 | 2457685 | 2016-10-23 | 358.92 |
| 40 | 2458038 | 2017-10-11 | 361.43 |
| 41 | 2458394 | 2018-10-02 | 364.64 |
| 42 | 2458774 | 2019-10-17 | 363.91 |
| 43 | 2459131 | 2020-10-08 | 362.83 |
| 44 | 2459498 | 2021-10-10 | 366.57 |
| 45 | 2459860 | 2022-10-07 | 368.68 |
| 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. |