| E | O (JD) | O (dat) | Period |
| -93 | 2401459 | 1862-11-14 | 465.43 |
| -92 | 2401913 | 1864-02-11 | 464.11 |
| -91 | 2402384 | 1865-05-27 | 462.96 |
| -90 | 2402842 | 1866-08-28 | 462.5 |
| -89 | 2403332 | 1867-12-31 | 462.07 |
| -88 | 2403774 | 1869-03-17 | 461.03 |
| -87 | 2404234 | 1870-06-20 | 460.33 |
| -86 | 2404691 | 1871-09-20 | 459.59 |
| -85 | 2405155 | 1872-12-27 | 459.74 |
| -84 | 2405614 | 1874-03-31 | 459.58 |
| -81 | 2406985 | 1877-12-31 | 460.42 |
| -80 | 2407446 | 1879-04-06 | 460.61 |
| -79 | 2407909 | 1880-07-12 | 460.52 |
| -78 | 2408383 | 1881-10-29 | 460.58 |
| -77 | 2408841 | 1883-01-30 | 460.35 |
| -76 | 2409300 | 1884-05-03 | 460.39 |
| -73 | 2410680 | 1888-02-12 | 459.58 |
| -72 | 2411133 | 1889-05-10 | 458.33 |
| -71 | 2411600 | 1890-08-20 | 457.15 |
| -70 | 2412047 | 1891-11-10 | 456.41 |
| -69 | 2412515 | 1893-02-20 | 455.08 |
| -68 | 2412961 | 1894-05-12 | 454.09 |
| -67 | 2413406 | 1895-07-31 | 453.66 |
| -66 | 2413864 | 1896-10-31 | 453.1 |
| -65 | 2414318 | 1898-01-28 | 451.94 |
| -64 | 2414762 | 1899-04-17 | 450.59 |
| -63 | 2415231 | 1900-07-30 | 449.67 |
| -62 | 2415678 | 1901-10-20 | 449.1 |
| -61 | 2416131 | 1903-01-16 | 448.06 |
| -60 | 2416557 | 1904-03-17 | 447.73 |
| -59 | 2417008 | 1905-06-11 | 447.17 |
| -58 | 2417448 | 1906-08-25 | 446.63 |
| -57 | 2417907 | 1907-11-27 | 447.74 |
| -56 | 2418352 | 1909-02-14 | 448.83 |
| -55 | 2418807 | 1910-05-15 | 450.57 |
| -54 | 2419246 | 1911-07-28 | 451.37 |
| -53 | 2419699 | 1912-10-23 | 452.96 |
| -52 | 2420160 | 1914-01-27 | 454.26 |
| -51 | 2420609 | 1915-04-21 | 456.7 |
| -50 | 2421066 | 1916-07-21 | 458.77 |
| -49 | 2421521 | 1917-10-19 | 461.33 |
| -48 | 2421990 | 1919-01-31 | 463.38 |
| -47 | 2422452 | 1920-05-07 | 465.39 |
| -46 | 2422927 | 1921-08-25 | 467.02 |
| -45 | 2423389 | 1922-11-30 | 467.94 |
| -44 | 2423861 | 1924-03-16 | 468.69 |
| -43 | 2424334 | 1925-07-02 | 468.21 |
| -42 | 2424807 | 1926-10-18 | 467.98 |
| -41 | 2425267 | 1928-01-21 | 467.02 |
| -40 | 2425734 | 1929-05-02 | 466.25 |
| -39 | 2426207 | 1930-08-18 | 465.3 |
| -38 | 2426662 | 1931-11-16 | 464.59 |
| -37 | 2427133 | 1933-03-01 | 464.55 |
| -36 | 2427591 | 1934-06-02 | 464.15 |
| -35 | 2428053 | 1935-09-07 | 463.67 |
| -34 | 2428520 | 1936-12-17 | 462.21 |
| -33 | 2428985 | 1938-03-27 | 461.71 |
| -32 | 2429457 | 1939-07-12 | 460.36 |
| -31 | 2429906 | 1940-10-03 | 459.64 |
| -30 | 2430372 | 1942-01-12 | 458.67 |
| -29 | 2430811 | 1943-03-27 | 458.2 |
| -28 | 2431280 | 1944-07-08 | 458.16 |
| -27 | 2431730 | 1945-10-01 | 458.64 |
| -26 | 2432192 | 1947-01-06 | 459.55 |
| -25 | 2432649 | 1948-04-07 | 459.88 |
| -24 | 2433117 | 1949-07-19 | 460.5 |
| -23 | 2433579 | 1950-10-24 | 459.74 |
| -22 | 2434044 | 1952-02-01 | 458.98 |
| -21 | 2434499 | 1953-05-01 | 457.53 |
| -20 | 2434956 | 1954-08-01 | 456.02 |
| -19 | 2435413 | 1955-11-01 | 454.1 |
| -18 | 2435864 | 1957-01-25 | 452.37 |
| -17 | 2436312 | 1958-04-18 | 450.99 |
| -16 | 2436763 | 1959-07-13 | 450.54 |
| -15 | 2437214 | 1960-10-06 | 450.25 |
| -14 | 2437661 | 1961-12-27 | 450.05 |
| -13 | 2438106 | 1963-03-17 | 450.75 |
| -12 | 2438557 | 1964-06-10 | 451.56 |
| -11 | 2439015 | 1965-09-11 | 452.43 |
| -10 | 2439467 | 1966-12-07 | 453.11 |
| -9 | 2439914 | 1968-02-27 | 453.57 |
| -8 | 2440377 | 1969-06-04 | 453.48 |
| -7 | 2440831 | 1970-09-01 | 453.28 |
| -6 | 2441288 | 1971-12-02 | 453.5 |
| -5 | 2441738 | 1973-02-24 | 453.94 |
| -4 | 2442187 | 1974-05-19 | 454.02 |
| -3 | 2442633 | 1975-08-08 | 454.5 |
| -2 | 2443091 | 1976-11-08 | 455.58 |
| -1 | 2443556 | 1978-02-16 | 456.97 |
| 0 | 2444011 | 1979-05-17 | 458.46 |
| 1 | 2444460 | 1980-08-08 | 459.88 |
| 2 | 2444931 | 1981-11-22 | 460.59 |
| 3 | 2445392 | 1983-02-26 | 460.88 |
| 4 | 2445857 | 1984-06-05 | 460.83 |
| 5 | 2446316 | 1985-09-07 | 460.55 |
| 6 | 2446780 | 1986-12-15 | 460.29 |
| 7 | 2447234 | 1988-03-13 | 458.85 |
| 8 | 2447699 | 1989-06-21 | 457.92 |
| 9 | 2448155 | 1990-09-20 | 456.97 |
| 10 | 2448605 | 1991-12-14 | 455.56 |
| 11 | 2449069 | 1993-03-22 | 454.55 |
| 12 | 2449516 | 1994-06-12 | 454.07 |
| 13 | 2449973 | 1995-09-12 | 453.64 |
| 14 | 2450428 | 1996-12-10 | 453.23 |
| 15 | 2450867 | 1998-02-22 | 452.64 |
| 16 | 2451327 | 1999-05-28 | 452.08 |
| 17 | 2451784 | 2000-08-27 | 451.95 |
| 18 | 2452241 | 2001-11-27 | 451.74 |
| 19 | 2452685 | 2003-02-14 | 451.72 |
| 20 | 2453131 | 2004-05-05 | 451.94 |
| 21 | 2453587 | 2005-08-04 | 453.13 |
| 22 | 2454036 | 2006-10-27 | 454.9 |
| 23 | 2454491 | 2008-01-25 | 457.1 |
| 24 | 2454942 | 2009-04-20 | 459.25 |
| 25 | 2455395 | 2010-07-17 | 461.5 |
| 26 | 2455883 | 2011-11-17 | 463.05 |
| 27 | 2456347 | 2013-02-23 | 464.14 |
| 28 | 2456812 | 2014-06-03 | 464.63 |
| 29 | 2457268 | 2015-09-02 | 464.41 |
| 30 | 2457743 | 2016-12-20 | 464.08 |
| 31 | 2458204 | 2018-03-26 | 462.55 |
| 32 | 2458661 | 2019-06-26 | 462.27 |
| 33 | 2459124 | 2020-10-01 | 461.93 |
| 34 | 2459580 | 2021-12-31 | 461.71 |
| 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. |