| E | O (JD) | O (dat) | Period |
| -184 | 2382806 | 1811-10-20 | 389.58 |
| -182 | 2383586 | 1813-12-08 | 388.74 |
| -180 | 2384347 | 1816-01-08 | 388.43 |
| -170 | 2388288 | 1826-10-23 | 387.73 |
| -169 | 2388687 | 1827-11-26 | 387.69 |
| -154 | 2394475 | 1843-10-01 | 387.51 |
| -152 | 2395230 | 1845-10-25 | 387.24 |
| -151 | 2395620 | 1846-11-19 | 387.06 |
| -146 | 2397514 | 1852-01-26 | 386.41 |
| -140 | 2399880 | 1858-07-19 | 387.16 |
| -139 | 2400246 | 1859-07-20 | 388.32 |
| -136 | 2401419 | 1862-10-05 | 388.86 |
| -133 | 2402599 | 1865-12-28 | 389.18 |
| -132 | 2402993 | 1867-01-26 | 389.74 |
| -124 | 2406115 | 1875-08-14 | 388.94 |
| -123 | 2406491 | 1876-08-24 | 388.69 |
| -122 | 2406877 | 1877-09-14 | 387.66 |
| -121 | 2407264 | 1878-10-06 | 386.4 |
| -120 | 2407647 | 1879-10-24 | 384.96 |
| -119 | 2408017 | 1880-10-28 | 383.94 |
| -118 | 2408399 | 1881-11-14 | 385.81 |
| -117 | 2408782 | 1882-12-02 | 386.66 |
| -116 | 2409170 | 1883-12-25 | 386.64 |
| -115 | 2409546 | 1885-01-04 | 386.97 |
| -106 | 2413031 | 1894-07-21 | 387.36 |
| -105 | 2413451 | 1895-09-14 | 387.36 |
| -104 | 2413837 | 1896-10-04 | 387.34 |
| -103 | 2414193 | 1897-09-25 | 387.22 |
| -102 | 2414591 | 1898-10-28 | 386.54 |
| -101 | 2414980 | 1899-11-21 | 384.18 |
| -100 | 2415358 | 1900-12-04 | 382.96 |
| -99 | 2415746 | 1901-12-27 | 383.41 |
| -98 | 2416132 | 1903-01-17 | 382.69 |
| -97 | 2416494 | 1904-01-14 | 380.43 |
| -96 | 2416897 | 1905-02-20 | 379.56 |
| -95 | 2417278 | 1906-03-08 | 380.03 |
| -94 | 2417660 | 1907-03-25 | 381.21 |
| -93 | 2418013 | 1908-03-12 | 381.89 |
| -92 | 2418387 | 1909-03-21 | 383.83 |
| -91 | 2418779 | 1910-04-17 | 384.45 |
| -90 | 2419179 | 1911-05-22 | 386.04 |
| -89 | 2419581 | 1912-06-27 | 387.92 |
| -88 | 2419949 | 1913-06-30 | 389.66 |
| -87 | 2420354 | 1914-08-09 | 389.93 |
| -86 | 2420735 | 1915-08-25 | 389.18 |
| -85 | 2421121 | 1916-09-14 | 388.63 |
| -84 | 2421515 | 1917-10-13 | 388.88 |
| -83 | 2421901 | 1918-11-03 | 389.23 |
| -82 | 2422293 | 1919-11-30 | 388.49 |
| -81 | 2422678 | 1920-12-19 | 388.52 |
| -80 | 2423070 | 1922-01-15 | 388.85 |
| -79 | 2423466 | 1923-02-15 | 387.24 |
| -78 | 2423843 | 1924-02-27 | 386.72 |
| -77 | 2424230 | 1925-03-20 | 385.52 |
| -76 | 2424617 | 1926-04-11 | 384.72 |
| -75 | 2425019 | 1927-05-18 | 384.03 |
| -74 | 2425370 | 1928-05-03 | 383.35 |
| -73 | 2425771 | 1929-06-08 | 383.56 |
| -72 | 2426144 | 1930-06-16 | 383.52 |
| -71 | 2426531 | 1931-07-08 | 383.81 |
| -70 | 2426919 | 1932-07-30 | 384.19 |
| -69 | 2427297 | 1933-08-12 | 385.6 |
| -68 | 2427687 | 1934-09-06 | 385.81 |
| -67 | 2428073 | 1935-09-27 | 386.83 |
| -66 | 2428462 | 1936-10-20 | 387.43 |
| -65 | 2428846 | 1937-11-08 | 388.2 |
| -64 | 2429232 | 1938-11-29 | 388.34 |
| -63 | 2429627 | 1939-12-29 | 388.78 |
| -62 | 2430015 | 1941-01-20 | 389.05 |
| -61 | 2430407 | 1942-02-16 | 388.78 |
| -60 | 2430799 | 1943-03-15 | 388.8 |
| -59 | 2431173 | 1944-03-23 | 388.25 |
| -58 | 2431577 | 1945-05-01 | 387.94 |
| -57 | 2431961 | 1946-05-20 | 387.41 |
| -56 | 2432341 | 1947-06-04 | 386.95 |
| -55 | 2432734 | 1948-07-01 | 386.81 |
| -54 | 2433115 | 1949-07-17 | 386.25 |
| -53 | 2433511 | 1950-08-17 | 384.94 |
| -52 | 2433888 | 1951-08-29 | 384.46 |
| -51 | 2434276 | 1952-09-20 | 384.21 |
| -50 | 2434665 | 1953-10-14 | 384.09 |
| -49 | 2435037 | 1954-10-21 | 384.2 |
| -48 | 2435419 | 1955-11-07 | 384.07 |
| -47 | 2435802 | 1956-11-24 | 384.64 |
| -46 | 2436191 | 1957-12-18 | 385.39 |
| -45 | 2436584 | 1959-01-15 | 386.44 |
| -44 | 2436966 | 1960-02-01 | 387.76 |
| -43 | 2437350 | 1961-02-19 | 388.54 |
| -42 | 2437737 | 1962-03-13 | 388.81 |
| -41 | 2438134 | 1963-04-14 | 389.12 |
| -40 | 2438524 | 1964-05-08 | 389.32 |
| -39 | 2438913 | 1965-06-01 | 389.55 |
| -38 | 2439304 | 1966-06-27 | 389.16 |
| -37 | 2439688 | 1967-07-16 | 388.35 |
| -36 | 2440083 | 1968-08-14 | 387.63 |
| -35 | 2440470 | 1969-09-05 | 387.19 |
| -34 | 2440855 | 1970-09-25 | 386.26 |
| -33 | 2441237 | 1971-10-12 | 386.07 |
| -32 | 2441621 | 1972-10-30 | 385.82 |
| -31 | 2442013 | 1973-11-26 | 385.25 |
| -30 | 2442398 | 1974-12-16 | 385.14 |
| -29 | 2442772 | 1975-12-25 | 384.66 |
| -28 | 2443171 | 1977-01-27 | 383.56 |
| -27 | 2443552 | 1978-02-12 | 383.91 |
| -26 | 2443934 | 1979-03-01 | 384.55 |
| -25 | 2444319 | 1980-03-20 | 385.85 |
| -24 | 2444694 | 1981-03-30 | 387.2 |
| -23 | 2445063 | 1982-04-03 | 388.47 |
| -22 | 2445478 | 1983-05-23 | 390.42 |
| -21 | 2445872 | 1984-06-20 | 392.06 |
| -20 | 2446266 | 1985-07-19 | 393.18 |
| -19 | 2446656 | 1986-08-13 | 394.06 |
| -18 | 2447057 | 1987-09-18 | 393.74 |
| -17 | 2447450 | 1988-10-15 | 391.7 |
| -16 | 2447842 | 1989-11-11 | 390.62 |
| -15 | 2448230 | 1990-12-04 | 389.77 |
| -14 | 2448622 | 1991-12-31 | 389.05 |
| -13 | 2449006 | 1993-01-18 | 388.04 |
| -12 | 2449388 | 1994-02-04 | 387.54 |
| -11 | 2449776 | 1995-02-27 | 387.28 |
| -10 | 2450168 | 1996-03-25 | 387.08 |
| -9 | 2450557 | 1997-04-18 | 386.93 |
| -8 | 2450941 | 1998-05-07 | 387.18 |
| -7 | 2451328 | 1999-05-29 | 387.47 |
| -6 | 2451716 | 2000-06-20 | 387.58 |
| -5 | 2452100 | 2001-07-09 | 387.76 |
| -4 | 2452487 | 2002-07-31 | 388.22 |
| -3 | 2452877 | 2003-08-25 | 388.21 |
| -2 | 2453268 | 2004-09-19 | 388.16 |
| -1 | 2453658 | 2005-10-14 | 387.6 |
| 0 | 2454048 | 2006-11-08 | 387.8 |
| 1 | 2454438 | 2007-12-03 | 386.69 |
| 2 | 2454815 | 2008-12-14 | 386.98 |
| 3 | 2455205 | 2010-01-08 | 386.53 |
| 4 | 2455582 | 2011-01-20 | 385.96 |
| 5 | 2455984 | 2012-02-26 | 385.43 |
| 6 | 2456348 | 2013-02-24 | 384.81 |
| 7 | 2456764 | 2014-04-16 | 384.31 |
| 8 | 2457135 | 2015-04-22 | 383.58 |
| 9 | 2457515 | 2016-05-06 | 382.98 |
| 10 | 2457897 | 2017-05-23 | 382.44 |
| 11 | 2458275 | 2018-06-05 | 382.5 |
| 12 | 2458655 | 2019-06-20 | 381.07 |
| 13 | 2459041 | 2020-07-10 | 382 |
| 14 | 2459421 | 2021-07-25 | 382.43 |
| 15 | 2459813 | 2022-08-21 | 382.97 |
| 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. |