| E | O (JD) | O (dat) | Period |
| -260 | 2362875 | 1757-03-25 | 312.55 |
| -231 | 2371991 | 1782-03-10 | 312.5 |
| -217 | 2376396 | 1794-04-01 | 312.35 |
| -210 | 2378577 | 1800-03-22 | 312.69 |
| -209 | 2378867 | 1801-01-06 | 312.79 |
| -189 | 2385115 | 1818-02-14 | 312.31 |
| -176 | 2389167 | 1829-03-20 | 311.95 |
| -175 | 2389474 | 1830-01-21 | 312.22 |
| -163 | 2393249 | 1840-05-23 | 312.54 |
| -155 | 2395738 | 1847-03-17 | 312.7 |
| -154 | 2396045 | 1848-01-18 | 312.92 |
| -153 | 2396367 | 1848-12-05 | 312.49 |
| -152 | 2396681 | 1849-10-15 | 311.82 |
| -150 | 2397301 | 1851-06-27 | 313.25 |
| -149 | 2397612 | 1852-05-03 | 313.56 |
| -148 | 2397923 | 1853-03-10 | 312.06 |
| -147 | 2398236 | 1854-01-17 | 311.94 |
| -146 | 2398559 | 1854-12-06 | 312.79 |
| -145 | 2398870 | 1855-10-13 | 313.01 |
| -144 | 2399171 | 1856-08-09 | 313.01 |
| -143 | 2399490 | 1857-06-24 | 311.64 |
| -142 | 2399802 | 1858-05-02 | 310.21 |
| -141 | 2400115 | 1859-03-11 | 311 |
| -140 | 2400426 | 1860-01-16 | 311.78 |
| -139 | 2400732 | 1860-11-17 | 311.21 |
| -138 | 2401040 | 1861-09-21 | 311.56 |
| -137 | 2401355 | 1862-08-02 | 312.86 |
| -136 | 2401671 | 1863-06-14 | 313.44 |
| -135 | 2401978 | 1864-04-16 | 313.44 |
| -134 | 2402301 | 1865-03-05 | 314.2 |
| -133 | 2402620 | 1866-01-18 | 314.88 |
| -132 | 2402926 | 1866-11-20 | 315.63 |
| -131 | 2403234 | 1867-09-24 | 315.25 |
| -129 | 2403874 | 1869-06-25 | 313.74 |
| -128 | 2404190 | 1870-05-07 | 313.81 |
| -127 | 2404509 | 1871-03-22 | 314.94 |
| -126 | 2404814 | 1872-01-21 | 315.06 |
| -125 | 2405127 | 1872-11-29 | 313.88 |
| -124 | 2405440 | 1873-10-08 | 312.56 |
| -122 | 2406074 | 1875-07-04 | 312.88 |
| -121 | 2406390 | 1876-05-15 | 314.06 |
| -120 | 2406696 | 1877-03-17 | 314.53 |
| -119 | 2407004 | 1878-01-19 | 314.74 |
| -118 | 2407325 | 1878-12-06 | 314.56 |
| -116 | 2407955 | 1880-08-27 | 314.83 |
| -114 | 2408588 | 1882-05-22 | 315.12 |
| -113 | 2408906 | 1883-04-05 | 315 |
| -112 | 2409220 | 1884-02-13 | 315.19 |
| -111 | 2409533 | 1884-12-22 | 314.89 |
| -110 | 2409839 | 1885-10-24 | 313.84 |
| -107 | 2410790 | 1888-06-01 | 312.1 |
| -106 | 2411109 | 1889-04-16 | 311.05 |
| -105 | 2411417 | 1890-02-18 | 310.81 |
| -103 | 2412040 | 1891-11-03 | 309.4 |
| -101 | 2412640 | 1893-06-25 | 308 |
| -100 | 2412956 | 1894-05-07 | 308.06 |
| -99 | 2413254 | 1895-03-01 | 306.56 |
| -98 | 2413563 | 1896-01-04 | 306.7 |
| -97 | 2413880 | 1896-11-16 | 309.31 |
| -96 | 2414191 | 1897-09-23 | 310.01 |
| -94 | 2414784 | 1899-05-09 | 310.51 |
| -93 | 2415110 | 1900-03-31 | 310.24 |
| -92 | 2415435 | 1901-02-19 | 309.78 |
| -91 | 2415735 | 1901-12-16 | 312.06 |
| -90 | 2416050 | 1902-10-27 | 313.37 |
| -88 | 2416667 | 1904-07-05 | 312.31 |
| -87 | 2416980 | 1905-05-14 | 313.81 |
| -86 | 2417300 | 1906-03-30 | 315.56 |
| -85 | 2417608 | 1907-02-01 | 316.14 |
| -84 | 2417934 | 1907-12-24 | 317.58 |
| -83 | 2418257 | 1908-11-11 | 318.43 |
| -82 | 2418577 | 1909-09-27 | 319.07 |
| -81 | 2418882 | 1910-07-29 | 320 |
| -80 | 2419211 | 1911-06-23 | 319.85 |
| -79 | 2419527 | 1912-05-04 | 318.56 |
| -78 | 2419848 | 1913-03-21 | 318.56 |
| -77 | 2420174 | 1914-02-10 | 318.29 |
| -76 | 2420495 | 1914-12-28 | 317.08 |
| -75 | 2420799 | 1915-10-28 | 317.22 |
| -74 | 2421120 | 1916-09-13 | 317.36 |
| -73 | 2421429 | 1917-07-19 | 316.29 |
| -72 | 2421748 | 1918-06-03 | 315.86 |
| -71 | 2422068 | 1919-04-19 | 316.21 |
| -70 | 2422397 | 1920-03-13 | 315.28 |
| -69 | 2422700 | 1921-01-10 | 314.64 |
| -68 | 2423016 | 1921-11-22 | 314.28 |
| -67 | 2423330 | 1922-10-02 | 312.43 |
| -66 | 2423633 | 1923-08-01 | 311.29 |
| -65 | 2423949 | 1924-06-12 | 311.22 |
| -64 | 2424267 | 1925-04-26 | 310.79 |
| -63 | 2424572 | 1926-02-25 | 312.14 |
| -62 | 2424883 | 1927-01-02 | 313.5 |
| -61 | 2425190 | 1927-11-05 | 313.29 |
| -60 | 2425507 | 1928-09-17 | 313.64 |
| -59 | 2425826 | 1929-08-02 | 314.06 |
| -58 | 2426145 | 1930-06-17 | 313.42 |
| -57 | 2426457 | 1931-04-25 | 312.64 |
| -56 | 2426773 | 1932-03-06 | 311.22 |
| -55 | 2427079 | 1933-01-06 | 310.22 |
| -54 | 2427382 | 1933-11-05 | 309.36 |
| -53 | 2427692 | 1934-09-11 | 307.79 |
| -52 | 2427998 | 1935-07-14 | 306.79 |
| -51 | 2428316 | 1936-05-27 | 307.07 |
| -50 | 2428617 | 1937-03-24 | 307.99 |
| -49 | 2428922 | 1938-01-23 | 308.64 |
| -48 | 2429225 | 1938-11-22 | 308.85 |
| -47 | 2429535 | 1939-09-28 | 310.07 |
| -46 | 2429851 | 1940-08-09 | 310.94 |
| -45 | 2430160 | 1941-06-14 | 310.86 |
| -44 | 2430478 | 1942-04-28 | 311.72 |
| -43 | 2430796 | 1943-03-12 | 312.07 |
| -42 | 2431096 | 1944-01-06 | 311.86 |
| -41 | 2431403 | 1944-11-08 | 311.21 |
| -40 | 2431721 | 1945-09-22 | 310.42 |
| -39 | 2432034 | 1946-08-01 | 310.64 |
| -38 | 2432343 | 1947-06-06 | 311.64 |
| -37 | 2432652 | 1948-04-10 | 312.21 |
| -36 | 2432968 | 1949-02-20 | 312.08 |
| -35 | 2433273 | 1949-12-22 | 312.65 |
| -34 | 2433589 | 1950-11-03 | 313.51 |
| -33 | 2433906 | 1951-09-16 | 313.43 |
| -32 | 2434218 | 1952-07-24 | 313.64 |
| -31 | 2434536 | 1953-06-07 | 314 |
| -30 | 2434848 | 1954-04-15 | 312.92 |
| -29 | 2435160 | 1955-02-21 | 311.21 |
| -28 | 2435472 | 1955-12-30 | 310.85 |
| -27 | 2435786 | 1956-11-08 | 311.64 |
| -26 | 2436090 | 1957-09-08 | 311.44 |
| -25 | 2436391 | 1958-07-06 | 310.86 |
| -24 | 2436715 | 1959-05-26 | 310.86 |
| -23 | 2437032 | 1960-04-07 | 311.57 |
| -22 | 2437336 | 1961-02-05 | 312.71 |
| -21 | 2437648 | 1961-12-14 | 311.93 |
| -20 | 2437962 | 1962-10-24 | 309.92 |
| -19 | 2438276 | 1963-09-03 | 309.42 |
| -18 | 2438583 | 1964-07-06 | 310.06 |
| -17 | 2438890 | 1965-05-09 | 310.36 |
| -16 | 2439196 | 1966-03-11 | 309.65 |
| -15 | 2439504 | 1967-01-13 | 308.36 |
| -14 | 2439821 | 1967-11-26 | 308.65 |
| -13 | 2440134 | 1968-10-04 | 309.93 |
| -12 | 2440439 | 1969-08-05 | 310.86 |
| -11 | 2440737 | 1970-05-30 | 310.79 |
| -10 | 2441057 | 1971-04-15 | 309.49 |
| -9 | 2441368 | 1972-02-20 | 309.28 |
| -8 | 2441684 | 1973-01-01 | 310.71 |
| -7 | 2441992 | 1973-11-05 | 311.43 |
| -6 | 2442296 | 1974-09-05 | 311.01 |
| -5 | 2442607 | 1975-07-13 | 309.72 |
| -4 | 2442919 | 1976-05-20 | 309.15 |
| -3 | 2443235 | 1977-04-01 | 310.71 |
| -2 | 2443544 | 1978-02-04 | 312.5 |
| -1 | 2443844 | 1978-12-01 | 312.86 |
| 0 | 2444160 | 1979-10-13 | 312.92 |
| 1 | 2444478 | 1980-08-26 | 314.14 |
| 2 | 2444800 | 1981-07-14 | 316.21 |
| 3 | 2445106 | 1982-05-16 | 316.71 |
| 4 | 2445429 | 1983-04-04 | 315.72 |
| 5 | 2445748 | 1984-02-17 | 315.22 |
| 6 | 2446067 | 1985-01-01 | 314.86 |
| 7 | 2446371 | 1985-11-01 | 314.14 |
| 8 | 2446687 | 1986-09-13 | 313.71 |
| 9 | 2447004 | 1987-07-27 | 313.49 |
| 10 | 2447310 | 1988-05-28 | 312.42 |
| 11 | 2447623 | 1989-04-06 | 311.21 |
| 12 | 2447946 | 1990-02-23 | 311.14 |
| 13 | 2448258 | 1991-01-01 | 312.07 |
| 14 | 2448554 | 1991-10-24 | 312.44 |
| 15 | 2448861 | 1992-08-26 | 311.65 |
| 16 | 2449186 | 1993-07-17 | 311.22 |
| 17 | 2449497 | 1994-05-24 | 312.64 |
| 18 | 2449810 | 1995-04-02 | 313.14 |
| 19 | 2450122 | 1996-02-08 | 311.64 |
| 20 | 2450439 | 1996-12-21 | 310.42 |
| 21 | 2450750 | 1997-10-28 | 310.29 |
| 22 | 2451049 | 1998-08-23 | 310.14 |
| 23 | 2451361 | 1999-07-01 | 309.64 |
| 24 | 2451668 | 2000-05-03 | 308.79 |
| 25 | 2451983 | 2001-03-14 | 309.44 |
| 26 | 2452291 | 2002-01-16 | 311.22 |
| 27 | 2452605 | 2002-11-26 | 311.64 |
| 28 | 2452907 | 2003-09-24 | 311.49 |
| 29 | 2453224 | 2004-08-06 | 310.99 |
| 30 | 2453543 | 2005-06-21 | 310.56 |
| 31 | 2453849 | 2006-04-23 | 311.14 |
| 32 | 2454163 | 2007-03-03 | 311.64 |
| 33 | 2454465 | 2007-12-30 | 310.57 |
| 34 | 2454779 | 2008-11-08 | 310.01 |
| 35 | 2455089 | 2009-09-14 | 310.44 |
| 36 | 2455405 | 2010-07-27 | 310.58 |
| 37 | 2455710 | 2011-05-28 | 310.64 |
| 38 | 2456022 | 2012-04-04 | 310.28 |
| 39 | 2456336 | 2013-02-12 | 310.28 |
| 40 | 2456640 | 2013-12-13 | 311.64 |
| 41 | 2456953 | 2014-10-22 | 313.21 |
| 42 | 2457259 | 2015-08-24 | 313 |
| 43 | 2457579 | 2016-07-09 | 312.86 |
| 44 | 2457899 | 2017-05-25 | 313.72 |
| 45 | 2458218 | 2018-04-09 | 314.08 |
| 46 | 2458522 | 2019-02-07 | 313.29 |
| 47 | 2458834 | 2019-12-16 | 312.34 |
| 48 | 2459151 | 2020-10-28 | 310.77 |
| 49 | 2459458 | 2021-08-31 | 310.75 |
| 50 | 2459766 | 2022-07-05 | 312.11 |
| 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. |