| E | O (JD) | O (dat) | Period |
| -224 | 2343512 | 1704-03-20 | 493.8 |
| -223 | 2344042 | 1705-09-01 | 493.71 |
| -221 | 2345034 | 1708-05-20 | 492.86 |
| -220 | 2345564 | 1709-11-01 | 492.3 |
| -218 | 2346490 | 1712-05-15 | 491.36 |
| -165 | 2372678 | 1784-01-26 | 490.42 |
| -164 | 2373163 | 1785-05-25 | 489.31 |
| -149 | 2380447 | 1805-05-05 | 487.04 |
| -146 | 2381877 | 1809-04-04 | 484.39 |
| -139 | 2385160 | 1818-03-31 | 480.37 |
| -135 | 2387004 | 1823-04-18 | 466.61 |
| -132 | 2388387 | 1827-01-30 | 463.66 |
| -119 | 2394351 | 1843-05-30 | 458.4 |
| -115 | 2396151 | 1848-05-03 | 456.81 |
| -111 | 2397942 | 1853-03-29 | 455.05 |
| -110 | 2398386 | 1854-06-16 | 453.89 |
| -108 | 2399306 | 1856-12-22 | 452.39 |
| -107 | 2399731 | 1858-02-20 | 448.38 |
| -106 | 2400188 | 1859-05-23 | 446.99 |
| -105 | 2400638 | 1860-08-15 | 445.93 |
| -103 | 2401525 | 1863-01-19 | 444.67 |
| -102 | 2401976 | 1864-04-14 | 443.06 |
| -101 | 2402422 | 1865-07-04 | 441.59 |
| -100 | 2402837 | 1866-08-23 | 439.92 |
| -98 | 2403741 | 1869-02-12 | 438.1 |
| -97 | 2404173 | 1870-04-20 | 436.72 |
| -96 | 2404612 | 1871-07-03 | 435.84 |
| -92 | 2406356 | 1876-04-11 | 435.4 |
| -91 | 2406791 | 1877-06-20 | 433.81 |
| -88 | 2408085 | 1881-01-04 | 431.7 |
| -87 | 2408514 | 1882-03-09 | 430.75 |
| -86 | 2408949 | 1883-05-18 | 429.52 |
| -85 | 2409388 | 1884-07-30 | 427.87 |
| -80 | 2411514 | 1890-05-26 | 426.88 |
| -77 | 2412798 | 1893-11-30 | 425.91 |
| -76 | 2413226 | 1895-02-01 | 424.95 |
| -75 | 2413641 | 1896-03-22 | 423.98 |
| -74 | 2414050 | 1897-05-05 | 422.26 |
| -73 | 2414473 | 1898-07-02 | 419.92 |
| -72 | 2414900 | 1899-09-02 | 418.18 |
| -71 | 2415310 | 1900-10-17 | 416.83 |
| -70 | 2415740 | 1901-12-21 | 416.14 |
| -69 | 2416140 | 1903-01-25 | 414.27 |
| -68 | 2416565 | 1904-03-25 | 412.55 |
| -67 | 2416984 | 1905-05-18 | 410.29 |
| -66 | 2417378 | 1906-06-16 | 408.6 |
| -65 | 2417795 | 1907-08-07 | 407.06 |
| -64 | 2418185 | 1908-08-31 | 407.03 |
| -63 | 2418606 | 1909-10-26 | 406.1 |
| -62 | 2418998 | 1910-11-22 | 405.84 |
| -61 | 2419403 | 1912-01-01 | 405.97 |
| -60 | 2419815 | 1913-02-16 | 405.5 |
| -59 | 2420233 | 1914-04-10 | 405.54 |
| -58 | 2420632 | 1915-05-14 | 404.83 |
| -57 | 2421035 | 1916-06-20 | 404.84 |
| -56 | 2421435 | 1917-07-25 | 404.42 |
| -55 | 2421839 | 1918-09-02 | 404.4 |
| -54 | 2422242 | 1919-10-10 | 405.44 |
| -53 | 2422647 | 1920-11-18 | 407.66 |
| -52 | 2423050 | 1921-12-26 | 409.43 |
| -51 | 2423459 | 1923-02-08 | 411.09 |
| -50 | 2423874 | 1924-03-29 | 412.58 |
| -49 | 2424297 | 1925-05-26 | 413.74 |
| -48 | 2424718 | 1926-07-21 | 414.93 |
| -47 | 2425126 | 1927-09-02 | 415.35 |
| -46 | 2425539 | 1928-10-19 | 415.07 |
| -45 | 2425956 | 1929-12-10 | 414.38 |
| -44 | 2426368 | 1931-01-26 | 412.54 |
| -43 | 2426791 | 1932-03-24 | 410.71 |
| -42 | 2427198 | 1933-05-05 | 409.23 |
| -41 | 2427609 | 1934-06-20 | 406.98 |
| -40 | 2428021 | 1935-08-06 | 404.25 |
| -39 | 2428410 | 1936-08-29 | 401.4 |
| -38 | 2428810 | 1937-10-03 | 397.75 |
| -37 | 2429215 | 1938-11-12 | 394.68 |
| -36 | 2429608 | 1939-12-10 | 392.19 |
| -35 | 2429998 | 1941-01-03 | 389.6 |
| -34 | 2430387 | 1942-01-27 | 387.76 |
| -33 | 2430761 | 1943-02-05 | 385.55 |
| -32 | 2431145 | 1944-02-24 | 384.15 |
| -31 | 2431540 | 1945-03-25 | 384.28 |
| -30 | 2431913 | 1946-04-02 | 384.25 |
| -29 | 2432296 | 1947-04-20 | 384.68 |
| -28 | 2432676 | 1948-05-04 | 385 |
| -27 | 2433067 | 1949-05-30 | 385.35 |
| -26 | 2433466 | 1950-07-03 | 385.45 |
| -25 | 2433841 | 1951-07-13 | 386.33 |
| -24 | 2434230 | 1952-08-05 | 386.81 |
| -23 | 2434607 | 1953-08-17 | 387.83 |
| -22 | 2435003 | 1954-09-17 | 388.4 |
| -21 | 2435385 | 1955-10-04 | 389.77 |
| -20 | 2435776 | 1956-10-29 | 391.16 |
| -19 | 2436167 | 1957-11-24 | 392.06 |
| -18 | 2436570 | 1959-01-01 | 393.33 |
| -17 | 2436959 | 1960-01-25 | 393.87 |
| -16 | 2437364 | 1961-03-05 | 394.22 |
| -15 | 2437745 | 1962-03-21 | 393.92 |
| -14 | 2438140 | 1963-04-20 | 393.06 |
| -13 | 2438541 | 1964-05-25 | 392.76 |
| -12 | 2438935 | 1965-06-23 | 392.66 |
| -11 | 2439321 | 1966-07-14 | 392.68 |
| -10 | 2439712 | 1967-08-09 | 393 |
| -9 | 2440096 | 1968-08-27 | 392.52 |
| -8 | 2440503 | 1969-10-08 | 391.75 |
| -7 | 2440891 | 1970-10-31 | 390.82 |
| -6 | 2441291 | 1971-12-05 | 390.09 |
| -5 | 2441678 | 1972-12-26 | 388.59 |
| -4 | 2442066 | 1974-01-18 | 387.27 |
| -3 | 2442450 | 1975-02-06 | 385.55 |
| -2 | 2442827 | 1976-02-18 | 385.71 |
| -1 | 2443216 | 1977-03-13 | 385.23 |
| 0 | 2443592 | 1978-03-24 | 385.7 |
| 1 | 2443981 | 1979-04-17 | 386.17 |
| 2 | 2444365 | 1980-05-05 | 386.17 |
| 3 | 2444772 | 1981-06-16 | 386.8 |
| 4 | 2445146 | 1982-06-25 | 386.63 |
| 5 | 2445538 | 1983-07-22 | 386.88 |
| 6 | 2445923 | 1984-08-10 | 386.87 |
| 7 | 2446296 | 1985-08-18 | 386.97 |
| 8 | 2446695 | 1986-09-21 | 386.23 |
| 9 | 2447074 | 1987-10-05 | 386.66 |
| 10 | 2447466 | 1988-10-31 | 386.69 |
| 11 | 2447859 | 1989-11-28 | 387.05 |
| 12 | 2448248 | 1990-12-22 | 387.14 |
| 13 | 2448622 | 1991-12-31 | 386.35 |
| 14 | 2449011 | 1993-01-23 | 385.81 |
| 15 | 2449401 | 1994-02-17 | 385.28 |
| 16 | 2449789 | 1995-03-12 | 385.04 |
| 17 | 2450171 | 1996-03-28 | 385.18 |
| 18 | 2450554 | 1997-04-15 | 385.47 |
| 19 | 2450932 | 1998-04-28 | 385.18 |
| 20 | 2451325 | 1999-05-26 | 384.62 |
| 21 | 2451711 | 2000-06-15 | 384.55 |
| 22 | 2452097 | 2001-07-06 | 383.64 |
| 23 | 2452481 | 2002-07-25 | 382.89 |
| 24 | 2452866 | 2003-08-14 | 381.74 |
| 25 | 2453242 | 2004-08-24 | 380.22 |
| 26 | 2453631 | 2005-09-17 | 379.75 |
| 27 | 2453993 | 2006-09-14 | 379.41 |
| 28 | 2454379 | 2007-10-05 | 379.32 |
| 29 | 2454752 | 2008-10-12 | 377.24 |
| 30 | 2455130 | 2009-10-25 | 374.37 |
| 31 | 2455521 | 2010-11-20 | 371.81 |
| 32 | 2455900 | 2011-12-04 | 369.18 |
| 33 | 2456280 | 2012-12-18 | 365.87 |
| 34 | 2456612 | 2013-11-15 | 362.79 |
| 35 | 2456959 | 2014-10-28 | 360.08 |
| 36 | 2457333 | 2015-11-06 | 356.74 |
| 37 | 2457683 | 2016-10-21 | 356.34 |
| 38 | 2458044 | 2017-10-17 | 356.1 |
| 39 | 2458396 | 2018-10-04 | 358.21 |
| 40 | 2458760 | 2019-10-03 | 358.5 |
| 41 | 2459094 | 2020-09-01 | 357.91 |
| 42 | 2459475 | 2021-09-17 | 358.83 |
| 42 | 2459475 | 2021-09-17 | 358.83 |
| 43 | 2459845 | 2022-09-22 | 361.28 |
| 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. |