| E | O (JD) | O (dat) | Period |
| -200 | 2399832 | 1858-06-01 | 222.27 |
| -198 | 2400297 | 1859-09-09 | 222.94 |
| -197 | 2400501 | 1860-03-31 | 223.07 |
| -196 | 2400736 | 1860-11-21 | 223.62 |
| -194 | 2401175 | 1862-02-03 | 222.59 |
| -193 | 2401403 | 1862-09-19 | 222.35 |
| -192 | 2401621 | 1863-04-25 | 223.11 |
| -191 | 2401850 | 1863-12-10 | 223 |
| -190 | 2402063 | 1864-07-10 | 223.31 |
| -188 | 2402515 | 1865-10-05 | 222.88 |
| -187 | 2402738 | 1866-05-16 | 223.12 |
| -186 | 2402964 | 1866-12-28 | 223.88 |
| -185 | 2403187 | 1867-08-08 | 223.6 |
| -184 | 2403403 | 1868-03-11 | 222.43 |
| -183 | 2403638 | 1868-11-01 | 222.29 |
| -182 | 2403857 | 1869-06-08 | 222.93 |
| -181 | 2404075 | 1870-01-12 | 223.86 |
| -180 | 2404292 | 1870-08-17 | 222.79 |
| -179 | 2404522 | 1871-04-04 | 222.07 |
| -178 | 2404750 | 1871-11-18 | 223.5 |
| -177 | 2404974 | 1872-06-29 | 224.67 |
| -176 | 2405186 | 1873-01-27 | 225 |
| -175 | 2405418 | 1873-09-16 | 224.81 |
| -174 | 2405643 | 1874-04-29 | 225.06 |
| -172 | 2406094 | 1875-07-24 | 226 |
| -171 | 2406320 | 1876-03-06 | 225.88 |
| -170 | 2406549 | 1876-10-21 | 225.06 |
| -169 | 2406776 | 1877-06-05 | 224.56 |
| -168 | 2407000 | 1878-01-15 | 223.88 |
| -167 | 2407218 | 1878-08-21 | 223.31 |
| -166 | 2407444 | 1879-04-04 | 223.19 |
| -164 | 2407886 | 1880-06-19 | 222.81 |
| -163 | 2408110 | 1881-01-29 | 222.5 |
| -162 | 2408332 | 1881-09-08 | 222.87 |
| -161 | 2408564 | 1882-04-28 | 223.47 |
| -160 | 2408777 | 1882-11-27 | 223.86 |
| -159 | 2409001 | 1883-07-09 | 223.4 |
| -158 | 2409227 | 1884-02-20 | 222.92 |
| -157 | 2409455 | 1884-10-05 | 222.86 |
| -156 | 2409675 | 1885-05-13 | 222.66 |
| -149 | 2411235 | 1889-08-20 | 222.28 |
| -148 | 2411457 | 1890-03-30 | 222.28 |
| -144 | 2412347 | 1892-09-05 | 222.39 |
| -143 | 2412556 | 1893-04-02 | 222.68 |
| -142 | 2412785 | 1893-11-17 | 222.65 |
| -141 | 2413010 | 1894-06-30 | 222.29 |
| -139 | 2413459 | 1895-09-22 | 223.47 |
| -138 | 2413686 | 1896-05-06 | 224.1 |
| -136 | 2414127 | 1897-07-21 | 223.14 |
| -135 | 2414345 | 1898-02-24 | 223.55 |
| -133 | 2414804 | 1899-05-29 | 223.91 |
| -131 | 2415243 | 1900-08-11 | 224.14 |
| -130 | 2415461 | 1901-03-17 | 224.65 |
| -128 | 2415926 | 1902-06-25 | 223.42 |
| -127 | 2416145 | 1903-01-30 | 223.12 |
| -126 | 2416375 | 1903-09-17 | 224.63 |
| -125 | 2416590 | 1904-04-19 | 224.13 |
| -124 | 2416804 | 1904-11-19 | 223.57 |
| -123 | 2417036 | 1905-07-09 | 223.36 |
| -122 | 2417262 | 1906-02-20 | 223.14 |
| -121 | 2417487 | 1906-10-03 | 224.5 |
| -120 | 2417714 | 1907-05-18 | 224.79 |
| -119 | 2417933 | 1907-12-23 | 224.21 |
| -118 | 2418156 | 1908-08-02 | 222.86 |
| -117 | 2418381 | 1909-03-15 | 221.64 |
| -116 | 2418606 | 1909-10-26 | 221.79 |
| -115 | 2418831 | 1910-06-08 | 221.79 |
| -114 | 2419038 | 1911-01-01 | 221.57 |
| -113 | 2419266 | 1911-08-17 | 221.07 |
| -112 | 2419486 | 1912-03-24 | 220.64 |
| -111 | 2419708 | 1912-11-01 | 221.64 |
| -110 | 2419931 | 1913-06-12 | 222.07 |
| -109 | 2420151 | 1914-01-18 | 221.79 |
| -108 | 2420375 | 1914-08-30 | 222.79 |
| -107 | 2420597 | 1915-04-09 | 222.43 |
| -106 | 2420816 | 1915-11-14 | 222 |
| -105 | 2421041 | 1916-06-26 | 222.57 |
| -104 | 2421272 | 1917-02-12 | 222.57 |
| -103 | 2421481 | 1917-09-09 | 222.93 |
| -102 | 2421709 | 1918-04-25 | 223.07 |
| -101 | 2421933 | 1918-12-05 | 222.21 |
| -100 | 2422155 | 1919-07-15 | 222.64 |
| -99 | 2422379 | 1920-02-24 | 223.71 |
| -98 | 2422601 | 1920-10-03 | 223.07 |
| -97 | 2422823 | 1921-05-13 | 222.29 |
| -96 | 2423047 | 1921-12-23 | 222.5 |
| -95 | 2423275 | 1922-08-08 | 222.93 |
| -94 | 2423490 | 1923-03-11 | 222.86 |
| -93 | 2423710 | 1923-10-17 | 223.14 |
| -92 | 2423939 | 1924-06-02 | 223.64 |
| -91 | 2424162 | 1925-01-11 | 224.07 |
| -90 | 2424382 | 1925-08-19 | 224.79 |
| -89 | 2424612 | 1926-04-06 | 224.5 |
| -88 | 2424841 | 1926-11-21 | 224.43 |
| -87 | 2425061 | 1927-06-29 | 225.64 |
| -86 | 2425286 | 1928-02-09 | 226.21 |
| -85 | 2425506 | 1928-09-16 | 226.29 |
| -84 | 2425737 | 1929-05-05 | 226.07 |
| -83 | 2425966 | 1929-12-20 | 225.71 |
| -82 | 2426195 | 1930-08-06 | 225.93 |
| -81 | 2426426 | 1931-03-25 | 226 |
| -80 | 2426641 | 1931-10-26 | 225.71 |
| -79 | 2426866 | 1932-06-07 | 225.29 |
| -78 | 2427089 | 1933-01-16 | 224.36 |
| -77 | 2427318 | 1933-09-02 | 224.36 |
| -76 | 2427545 | 1934-04-17 | 225.57 |
| -75 | 2427770 | 1934-11-28 | 226.07 |
| -74 | 2427992 | 1935-07-08 | 225.36 |
| -73 | 2428216 | 1936-02-17 | 224.21 |
| -72 | 2428449 | 1936-10-07 | 223.71 |
| -71 | 2428671 | 1937-05-17 | 223.36 |
| -70 | 2428891 | 1937-12-23 | 223.21 |
| -69 | 2429111 | 1938-07-31 | 223.14 |
| -68 | 2429336 | 1939-03-13 | 222.71 |
| -67 | 2429553 | 1939-10-16 | 222.43 |
| -66 | 2429780 | 1940-05-30 | 222.57 |
| -65 | 2430009 | 1941-01-14 | 222.57 |
| -64 | 2430229 | 1941-08-22 | 223.07 |
| -63 | 2430447 | 1942-03-28 | 224.07 |
| -62 | 2430671 | 1942-11-07 | 223.43 |
| -61 | 2430892 | 1943-06-16 | 222.07 |
| -60 | 2431120 | 1944-01-30 | 222.36 |
| -59 | 2431350 | 1944-09-16 | 222.79 |
| -58 | 2431567 | 1945-04-21 | 221.93 |
| -57 | 2431780 | 1945-11-20 | 221.57 |
| -56 | 2432009 | 1946-07-07 | 221.07 |
| -55 | 2432228 | 1947-02-11 | 220.86 |
| -54 | 2432442 | 1947-09-13 | 222.07 |
| -53 | 2432672 | 1948-04-30 | 222.64 |
| -52 | 2432893 | 1948-12-07 | 223.14 |
| -51 | 2433116 | 1949-07-18 | 224.21 |
| -50 | 2433340 | 1950-02-27 | 224 |
| -49 | 2433566 | 1950-10-11 | 223.79 |
| -48 | 2433795 | 1951-05-28 | 224.21 |
| -47 | 2434014 | 1952-01-02 | 224.86 |
| -46 | 2434236 | 1952-08-11 | 225.86 |
| -45 | 2434462 | 1953-03-25 | 225.21 |
| -44 | 2434686 | 1953-11-04 | 224.21 |
| -43 | 2434918 | 1954-06-24 | 224.79 |
| -42 | 2435150 | 1955-02-11 | 225 |
| -41 | 2435364 | 1955-09-13 | 224.29 |
| -40 | 2435584 | 1956-04-20 | 223.29 |
| -39 | 2435813 | 1956-12-05 | 222.5 |
| -38 | 2436035 | 1957-07-15 | 223.21 |
| -37 | 2436253 | 1958-02-18 | 224.14 |
| -36 | 2436477 | 1958-09-30 | 223.57 |
| -35 | 2436706 | 1959-05-17 | 222.43 |
| -34 | 2436933 | 1959-12-30 | 222.5 |
| -33 | 2437153 | 1960-08-06 | 223.57 |
| -32 | 2437374 | 1961-03-15 | 223.86 |
| -31 | 2437588 | 1961-10-15 | 223.43 |
| -30 | 2437815 | 1962-05-30 | 223.14 |
| -29 | 2438045 | 1963-01-15 | 223.5 |
| -28 | 2438272 | 1963-08-30 | 225 |
| -27 | 2438495 | 1964-04-09 | 225.29 |
| -26 | 2438715 | 1964-11-15 | 223.93 |
| -25 | 2438941 | 1965-06-29 | 223.43 |
| -24 | 2439171 | 1966-02-14 | 223.64 |
| -23 | 2439386 | 1966-09-17 | 224.21 |
| -22 | 2439609 | 1967-04-28 | 224.71 |
| -21 | 2439836 | 1967-12-11 | 223.79 |
| -20 | 2440062 | 1968-07-24 | 223.57 |
| -19 | 2440287 | 1969-03-06 | 224.29 |
| -18 | 2440515 | 1969-10-20 | 224.36 |
| -17 | 2440730 | 1970-05-23 | 224.21 |
| -16 | 2440957 | 1971-01-05 | 223.86 |
| -15 | 2441178 | 1971-08-14 | 223.36 |
| -14 | 2441408 | 1972-03-31 | 223.36 |
| -13 | 2441629 | 1972-11-07 | 223.14 |
| -12 | 2441854 | 1973-06-20 | 222.71 |
| -11 | 2442075 | 1974-01-27 | 222.64 |
| -10 | 2442297 | 1974-09-06 | 222.57 |
| -9 | 2442514 | 1975-04-11 | 222.64 |
| -8 | 2442739 | 1975-11-22 | 222.21 |
| -7 | 2442964 | 1976-07-04 | 222.14 |
| -6 | 2443189 | 1977-02-14 | 222.5 |
| -5 | 2443411 | 1977-09-24 | 222.79 |
| -4 | 2443629 | 1978-04-30 | 222.71 |
| -3 | 2443853 | 1978-12-10 | 221.86 |
| -2 | 2444073 | 1979-07-18 | 221.57 |
| -1 | 2444299 | 1980-02-29 | 222.21 |
| 0 | 2444522 | 1980-10-09 | 223 |
| 1 | 2444737 | 1981-05-12 | 223.86 |
| 2 | 2444965 | 1981-12-26 | 223.64 |
| 3 | 2445186 | 1982-08-04 | 223 |
| 4 | 2445418 | 1983-03-24 | 224 |
| 5 | 2445642 | 1983-11-03 | 224.36 |
| 6 | 2445861 | 1984-06-09 | 223.43 |
| 7 | 2446082 | 1985-01-16 | 222.71 |
| 8 | 2446313 | 1985-09-04 | 222.07 |
| 9 | 2446530 | 1986-04-09 | 222.71 |
| 10 | 2446749 | 1986-11-14 | 223.14 |
| 11 | 2446973 | 1987-06-26 | 222.64 |
| 12 | 2447196 | 1988-02-04 | 222.5 |
| 13 | 2447425 | 1988-09-20 | 223 |
| 14 | 2447642 | 1989-04-25 | 223.93 |
| 15 | 2447870 | 1989-12-09 | 224.36 |
| 16 | 2448088 | 1990-07-15 | 224.36 |
| 17 | 2448313 | 1991-02-25 | 225.14 |
| 18 | 2448544 | 1991-10-14 | 225.07 |
| 19 | 2448766 | 1992-05-23 | 224.79 |
| 20 | 2448996 | 1993-01-08 | 225.57 |
| 21 | 2449223 | 1993-08-23 | 225.57 |
| 22 | 2449440 | 1994-03-28 | 225.5 |
| 23 | 2449665 | 1994-11-08 | 225.64 |
| 24 | 2449894 | 1995-06-25 | 225 |
| 25 | 2450121 | 1996-02-07 | 224.64 |
| 26 | 2450346 | 1996-09-19 | 224.5 |
| 27 | 2450575 | 1997-05-06 | 223.79 |
| 28 | 2450794 | 1997-12-11 | 223.71 |
| 29 | 2451014 | 1998-07-19 | 223.93 |
| 30 | 2451234 | 1999-02-24 | 223.14 |
| 31 | 2451458 | 1999-10-06 | 222.71 |
| 32 | 2451689 | 2000-05-24 | 223.71 |
| 33 | 2451913 | 2001-01-03 | 224.43 |
| 34 | 2452132 | 2001-08-10 | 224 |
| 35 | 2452355 | 2002-03-21 | 223.07 |
| 36 | 2452585 | 2002-11-06 | 222.07 |
| 37 | 2452805 | 2003-06-14 | 222.29 |
| 38 | 2453023 | 2004-01-18 | 223.14 |
| 39 | 2453247 | 2004-08-29 | 222.57 |
| 40 | 2453464 | 2005-04-03 | 222.21 |
| 41 | 2453693 | 2005-11-18 | 223.07 |
| 42 | 2453918 | 2006-07-01 | 223.43 |
| 43 | 2454138 | 2007-02-06 | 224.07 |
| 44 | 2454363 | 2007-09-19 | 224.57 |
| 45 | 2454588 | 2008-05-01 | 224.14 |
| 46 | 2454810 | 2008-12-09 | 224.07 |
| 47 | 2455038 | 2009-07-25 | 224.21 |
| 48 | 2455263 | 2010-03-07 | 224.43 |
| 49 | 2455486 | 2010-10-16 | 224.57 |
| 50 | 2455707 | 2011-05-25 | 224.93 |
| 51 | 2455933 | 2012-01-06 | 224.86 |
| 52 | 2456160 | 2012-08-20 | 224.21 |
| 53 | 2456382 | 2013-03-30 | 224.5 |
| 54 | 2456615 | 2013-11-18 | 224.29 |
| 55 | 2456834 | 2014-06-25 | 223.43 |
| 56 | 2457054 | 2015-01-31 | 223.5 |
| 57 | 2457282 | 2015-09-16 | 223 |
| 58 | 2457498 | 2016-04-19 | 223 |
| 59 | 2457723 | 2016-11-30 | 223.71 |
| 60 | 2457948 | 2017-07-13 | 223.5 |
| 61 | 2458171 | 2018-02-21 | 223.93 |
| 62 | 2458400 | 2018-10-08 | 224.21 |
| 63 | 2458620 | 2019-05-16 | 223.36 |
| 64 | 2458845 | 2019-12-27 | 223.36 |
| 65 | 2459070 | 2020-08-08 | 223.38 |
| 66 | 2459290 | 2021-03-16 | 222.91 |
| 67 | 2459508 | 2021-10-20 | 223 |
| 68 | 2459738 | 2022-06-07 | 222.6 |
| 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. |