| E | O (JD) | O (dat) | Period |
| -240 | 2404546 | 1871-04-28 | 171.3 |
| -239 | 2404725 | 1871-10-24 | 170.21 |
| -238 | 2404888 | 1872-04-04 | 170.22 |
| -237 | 2405060 | 1872-09-23 | 170.31 |
| -236 | 2405233 | 1873-03-15 | 169.75 |
| -234 | 2405568 | 1874-02-13 | 169.68 |
| -232 | 2405915 | 1875-01-26 | 170.11 |
| -226 | 2406927 | 1877-11-03 | 170 |
| -225 | 2407097 | 1878-04-22 | 170.14 |
| -224 | 2407267 | 1878-10-09 | 170.37 |
| -223 | 2407444 | 1879-04-04 | 170.32 |
| -222 | 2407609 | 1879-09-16 | 170.26 |
| -219 | 2408126 | 1881-02-14 | 169.79 |
| -217 | 2408468 | 1882-01-22 | 169.75 |
| -213 | 2409143 | 1883-11-28 | 169.93 |
| -211 | 2409478 | 1884-10-28 | 169.38 |
| -210 | 2409640 | 1885-04-08 | 168.91 |
| -209 | 2409824 | 1885-10-09 | 169.25 |
| -208 | 2409987 | 1886-03-21 | 169.78 |
| -207 | 2410152 | 1886-09-02 | 170.63 |
| -206 | 2410327 | 1887-02-24 | 170.17 |
| -204 | 2410669 | 1888-02-01 | 169.73 |
| -202 | 2411008 | 1889-01-05 | 171 |
| -200 | 2411352 | 1889-12-15 | 170.92 |
| -196 | 2412026 | 1891-10-20 | 170 |
| -195 | 2412198 | 1892-04-09 | 169.7 |
| -194 | 2412387 | 1892-10-15 | 169.32 |
| -193 | 2412536 | 1893-03-13 | 169.45 |
| -192 | 2412710 | 1893-09-03 | 169.79 |
| -191 | 2412870 | 1894-02-10 | 169.24 |
| -189 | 2413215 | 1895-01-21 | 168.95 |
| -187 | 2413552 | 1895-12-24 | 169.29 |
| -185 | 2413898 | 1896-12-04 | 169.96 |
| -183 | 2414241 | 1897-11-12 | 171 |
| -182 | 2414399 | 1898-04-19 | 170.85 |
| -179 | 2414910 | 1899-09-12 | 171.23 |
| -178 | 2415089 | 1900-03-10 | 170.65 |
| -176 | 2415442 | 1901-02-26 | 169.93 |
| -174 | 2415767 | 1902-01-17 | 170.77 |
| -172 | 2416135 | 1903-01-20 | 170.54 |
| -170 | 2416441 | 1903-11-22 | 169.26 |
| -168 | 2416787 | 1904-11-02 | 168.67 |
| -167 | 2416962 | 1905-04-26 | 168.26 |
| -166 | 2417130 | 1905-10-11 | 169.12 |
| -165 | 2417294 | 1906-03-24 | 170.6 |
| -164 | 2417457 | 1906-09-03 | 169.8 |
| -163 | 2417642 | 1907-03-07 | 169.47 |
| -162 | 2417809 | 1907-08-21 | 169.22 |
| -161 | 2417978 | 1908-02-06 | 169.5 |
| -159 | 2418318 | 1909-01-11 | 168.94 |
| -157 | 2418655 | 1909-12-14 | 167.94 |
| -156 | 2418815 | 1910-05-23 | 168.39 |
| -155 | 2418987 | 1910-11-11 | 169.28 |
| -154 | 2419153 | 1911-04-26 | 169 |
| -153 | 2419321 | 1911-10-11 | 168.62 |
| -152 | 2419497 | 1912-04-04 | 169.88 |
| -150 | 2419846 | 1913-03-19 | 170.21 |
| -149 | 2420000 | 1913-08-20 | 169.76 |
| -148 | 2420168 | 1914-02-04 | 169.36 |
| -146 | 2420522 | 1915-01-24 | 168.29 |
| -144 | 2420852 | 1915-12-20 | 169.05 |
| -142 | 2421187 | 1916-11-19 | 170.45 |
| -141 | 2421357 | 1917-05-08 | 169.11 |
| -140 | 2421520 | 1917-10-18 | 169.18 |
| -139 | 2421707 | 1918-04-23 | 171.33 |
| -138 | 2421870 | 1918-10-03 | 171.21 |
| -137 | 2422033 | 1919-03-15 | 171 |
| -136 | 2422217 | 1919-09-15 | 170.14 |
| -135 | 2422392 | 1920-03-08 | 169.5 |
| -134 | 2422549 | 1920-08-12 | 169.71 |
| -133 | 2422722 | 1921-02-01 | 168.79 |
| -132 | 2422887 | 1921-07-16 | 168 |
| -131 | 2423063 | 1922-01-08 | 167.79 |
| -130 | 2423216 | 1922-06-10 | 168.29 |
| -129 | 2423397 | 1922-12-08 | 168.79 |
| -128 | 2423564 | 1923-05-24 | 168 |
| -127 | 2423726 | 1923-11-02 | 168.29 |
| -126 | 2423901 | 1924-04-25 | 169.43 |
| -125 | 2424071 | 1924-10-12 | 169.36 |
| -124 | 2424231 | 1925-03-21 | 170.36 |
| -123 | 2424404 | 1925-09-10 | 170 |
| -122 | 2424581 | 1926-03-06 | 169.5 |
| -121 | 2424751 | 1926-08-23 | 170 |
| -120 | 2424924 | 1927-02-12 | 170.36 |
| -119 | 2425083 | 1927-07-21 | 170.07 |
| -118 | 2425262 | 1928-01-16 | 170.12 |
| -117 | 2425420 | 1928-06-22 | 170.11 |
| -116 | 2425600 | 1928-12-19 | 170.28 |
| -114 | 2425936 | 1929-11-20 | 170.61 |
| -112 | 2426288 | 1930-11-07 | 170.5 |
| -111 | 2426449 | 1931-04-17 | 171 |
| -110 | 2426623 | 1931-10-08 | 170.94 |
| -109 | 2426793 | 1932-03-26 | 169.87 |
| -108 | 2426958 | 1932-09-07 | 169.29 |
| -107 | 2427140 | 1933-03-08 | 170 |
| -106 | 2427302 | 1933-08-17 | 170.67 |
| -105 | 2427470 | 1934-02-01 | 171.06 |
| -104 | 2427637 | 1934-07-18 | 170.44 |
| -103 | 2427815 | 1935-01-12 | 169.56 |
| -101 | 2428161 | 1935-12-24 | 170 |
| -100 | 2428327 | 1936-06-07 | 170.75 |
| -99 | 2428498 | 1936-11-25 | 170.31 |
| -98 | 2428657 | 1937-05-03 | 169.6 |
| -97 | 2428835 | 1937-10-28 | 169.86 |
| -96 | 2429004 | 1938-04-15 | 169.64 |
| -95 | 2429173 | 1938-10-01 | 169.5 |
| -94 | 2429347 | 1939-03-24 | 170 |
| -93 | 2429519 | 1939-09-12 | 169.93 |
| -92 | 2429681 | 1940-02-21 | 169.79 |
| -91 | 2429847 | 1940-08-05 | 168.71 |
| -90 | 2430025 | 1941-01-30 | 168 |
| -89 | 2430193 | 1941-07-17 | 168.93 |
| -88 | 2430361 | 1942-01-01 | 170.06 |
| -87 | 2430521 | 1942-06-10 | 170.31 |
| -86 | 2430697 | 1942-12-03 | 169.75 |
| -84 | 2431037 | 1943-11-08 | 169.63 |
| -83 | 2431212 | 1944-05-01 | 170.75 |
| -82 | 2431385 | 1944-10-21 | 171.19 |
| -81 | 2431549 | 1945-04-03 | 170.53 |
| -80 | 2431719 | 1945-09-20 | 170.43 |
| -79 | 2431895 | 1946-03-15 | 170.07 |
| -78 | 2432062 | 1946-08-29 | 170.14 |
| -77 | 2432230 | 1947-02-13 | 170.14 |
| -76 | 2432405 | 1947-08-07 | 169.5 |
| -75 | 2432573 | 1948-01-22 | 169.21 |
| -74 | 2432743 | 1948-07-10 | 169.29 |
| -73 | 2432907 | 1948-12-21 | 169.21 |
| -72 | 2433080 | 1949-06-12 | 168.36 |
| -71 | 2433246 | 1949-11-25 | 168.57 |
| -70 | 2433416 | 1950-05-14 | 170 |
| -69 | 2433588 | 1950-11-02 | 170.43 |
| -68 | 2433747 | 1951-04-10 | 170.5 |
| -67 | 2433929 | 1951-10-09 | 170.57 |
| -66 | 2434101 | 1952-03-29 | 170.07 |
| -65 | 2434272 | 1952-09-16 | 170.64 |
| -64 | 2434441 | 1953-03-04 | 170.86 |
| -63 | 2434609 | 1953-08-19 | 169.71 |
| -62 | 2434776 | 1954-02-02 | 169.14 |
| -61 | 2434948 | 1954-07-24 | 169.21 |
| -60 | 2435120 | 1955-01-12 | 169.43 |
| -59 | 2435286 | 1955-06-27 | 169.93 |
| -58 | 2435455 | 1955-12-13 | 169.71 |
| -57 | 2435627 | 1956-06-02 | 169.14 |
| -56 | 2435795 | 1956-11-17 | 169.43 |
| -55 | 2435969 | 1957-05-10 | 169.57 |
| -54 | 2436131 | 1957-10-19 | 169.43 |
| -53 | 2436305 | 1958-04-11 | 168.79 |
| -52 | 2436473 | 1958-09-26 | 168.36 |
| -51 | 2436642 | 1959-03-14 | 169 |
| -50 | 2436812 | 1959-08-31 | 169.43 |
| -49 | 2436973 | 1960-02-08 | 168.64 |
| -48 | 2437148 | 1960-08-01 | 168.29 |
| -47 | 2437318 | 1961-01-18 | 168.64 |
| -46 | 2437490 | 1961-07-09 | 169.43 |
| -45 | 2437649 | 1961-12-15 | 170.14 |
| -44 | 2437822 | 1962-06-06 | 169.21 |
| -43 | 2437993 | 1962-11-24 | 167.79 |
| -42 | 2438164 | 1963-05-14 | 168.57 |
| -41 | 2438339 | 1963-11-05 | 170.14 |
| -40 | 2438496 | 1964-04-10 | 170.29 |
| -39 | 2438661 | 1964-09-22 | 169.93 |
| -38 | 2438838 | 1965-03-18 | 169.5 |
| -37 | 2439015 | 1965-09-11 | 170.21 |
| -36 | 2439184 | 1966-02-27 | 172.43 |
| -35 | 2439352 | 1966-08-14 | 172.79 |
| -34 | 2439524 | 1967-02-02 | 171.14 |
| -33 | 2439694 | 1967-07-22 | 170.79 |
| -32 | 2439877 | 1968-01-21 | 171.79 |
| -31 | 2440041 | 1968-07-03 | 171.5 |
| -30 | 2440208 | 1968-12-17 | 171.79 |
| -29 | 2440382 | 1969-06-09 | 171.57 |
| -28 | 2440559 | 1969-12-03 | 170.86 |
| -27 | 2440718 | 1970-05-11 | 171.79 |
| -26 | 2440905 | 1970-11-14 | 171.86 |
| -25 | 2441068 | 1971-04-26 | 171.64 |
| -24 | 2441242 | 1971-10-17 | 172.43 |
| -23 | 2441412 | 1972-04-04 | 172.21 |
| -22 | 2441584 | 1972-09-23 | 171.64 |
| -21 | 2441760 | 1973-03-18 | 171.57 |
| -20 | 2441931 | 1973-09-05 | 171.43 |
| -19 | 2442103 | 1974-02-24 | 171.43 |
| -18 | 2442273 | 1974-08-13 | 170.57 |
| -17 | 2442439 | 1975-01-26 | 170 |
| -16 | 2442615 | 1975-07-21 | 169.71 |
| -15 | 2442781 | 1976-01-03 | 169.21 |
| -14 | 2442951 | 1976-06-21 | 169.5 |
| -13 | 2443120 | 1976-12-07 | 169.29 |
| -12 | 2443290 | 1977-05-26 | 168.71 |
| -11 | 2443455 | 1977-11-07 | 169.5 |
| -10 | 2443630 | 1978-05-01 | 169.29 |
| -9 | 2443794 | 1978-10-12 | 168.71 |
| -8 | 2443964 | 1979-03-31 | 168.93 |
| -7 | 2444141 | 1979-09-24 | 168.57 |
| -6 | 2444300 | 1980-03-01 | 169.43 |
| -5 | 2444472 | 1980-08-20 | 170.64 |
| -4 | 2444638 | 1981-02-02 | 169.5 |
| -3 | 2444807 | 1981-07-21 | 169.07 |
| -2 | 2444989 | 1982-01-19 | 169.93 |
| -1 | 2445158 | 1982-07-07 | 171.21 |
| 0 | 2445320 | 1982-12-16 | 171.57 |
| 1 | 2445488 | 1983-06-02 | 170.57 |
| 2 | 2445663 | 1983-11-24 | 170.07 |
| 3 | 2445844 | 1984-05-23 | 170.64 |
| 4 | 2446003 | 1984-10-29 | 171.36 |
| 5 | 2446181 | 1985-04-25 | 171.5 |
| 6 | 2446347 | 1985-10-08 | 170.64 |
| 7 | 2446520 | 1986-03-30 | 170.86 |
| 8 | 2446687 | 1986-09-13 | 170.79 |
| 9 | 2446865 | 1987-03-10 | 170.14 |
| 10 | 2447031 | 1987-08-23 | 170.5 |
| 11 | 2447208 | 1988-02-16 | 170.29 |
| 12 | 2447367 | 1988-07-24 | 170.29 |
| 13 | 2447543 | 1989-01-16 | 170.21 |
| 14 | 2447711 | 1989-07-03 | 169.57 |
| 15 | 2447880 | 1989-12-19 | 169.79 |
| 16 | 2448056 | 1990-06-13 | 170.29 |
| 17 | 2448223 | 1990-11-27 | 169.57 |
| 18 | 2448390 | 1991-05-13 | 169.71 |
| 19 | 2448562 | 1991-11-01 | 169.43 |
| 20 | 2448732 | 1992-04-19 | 168.5 |
| 21 | 2448896 | 1992-09-30 | 169.07 |
| 22 | 2449071 | 1993-03-24 | 169.36 |
| 23 | 2449237 | 1993-09-06 | 169.21 |
| 24 | 2449401 | 1994-02-17 | 169.57 |
| 25 | 2449579 | 1994-08-14 | 170.43 |
| 26 | 2449744 | 1995-01-26 | 170.79 |
| 27 | 2449919 | 1995-07-20 | 171 |
| 28 | 2450083 | 1995-12-31 | 170.93 |
| 29 | 2450270 | 1996-07-05 | 170.79 |
| 30 | 2450429 | 1996-12-11 | 170.57 |
| 31 | 2450603 | 1997-06-03 | 170.14 |
| 32 | 2450770 | 1997-11-17 | 169.86 |
| 33 | 2450944 | 1998-05-10 | 169.71 |
| 34 | 2451107 | 1998-10-20 | 170.07 |
| 35 | 2451277 | 1999-04-08 | 170.5 |
| 36 | 2451454 | 1999-10-02 | 170.79 |
| 37 | 2451621 | 2000-03-17 | 170.71 |
| 38 | 2451792 | 2000-09-04 | 171.36 |
| 39 | 2451968 | 2001-02-27 | 170.93 |
| 40 | 2452137 | 2001-08-15 | 170.07 |
| 41 | 2452304 | 2002-01-29 | 170 |
| 42 | 2452479 | 2002-07-23 | 169.21 |
| 43 | 2452645 | 2003-01-05 | 168.93 |
| 44 | 2452811 | 2003-06-20 | 169.43 |
| 45 | 2452982 | 2003-12-08 | 169.29 |
| 46 | 2453147 | 2004-05-21 | 169.43 |
| 47 | 2453323 | 2004-11-13 | 169.86 |
| 48 | 2453490 | 2005-04-29 | 169.57 |
| 49 | 2453663 | 2005-10-19 | 169.71 |
| 50 | 2453833 | 2006-04-07 | 169.79 |
| 51 | 2454001 | 2006-09-22 | 169.29 |
| 52 | 2454166 | 2007-03-06 | 169.14 |
| 53 | 2454339 | 2007-08-26 | 169.14 |
| 54 | 2454508 | 2008-02-11 | 169.21 |
| 55 | 2454675 | 2008-07-27 | 169.29 |
| 56 | 2454846 | 2009-01-14 | 169.79 |
| 57 | 2455018 | 2009-07-05 | 170.43 |
| 58 | 2455185 | 2009-12-19 | 170.57 |
| 59 | 2455352 | 2010-06-04 | 170.43 |
| 60 | 2455530 | 2010-11-29 | 169.93 |
| 61 | 2455703 | 2011-05-21 | 170.5 |
| 62 | 2455868 | 2011-11-02 | 171.79 |
| 63 | 2456039 | 2012-04-21 | 171.07 |
| 64 | 2456204 | 2012-10-03 | 169.93 |
| 65 | 2456386 | 2013-04-03 | 169.79 |
| 66 | 2456556 | 2013-09-20 | 170.07 |
| 67 | 2456721 | 2014-03-04 | 170.71 |
| 68 | 2456891 | 2014-08-21 | 170.29 |
| 69 | 2457057 | 2015-02-03 | 169.71 |
| 70 | 2457231 | 2015-07-27 | 170.07 |
| 71 | 2457402 | 2016-01-14 | 170.64 |
| 72 | 2457572 | 2016-07-02 | 171.2 |
| 73 | 2457746 | 2016-12-23 | 170.94 |
| 74 | 2457912 | 2017-06-07 | 170.5 |
| 75 | 2458089 | 2017-12-01 | 170.39 |
| 77 | 2458427 | 2018-11-04 | 169.61 |
| 79 | 2458767 | 2019-10-10 | 169.28 |
| 80 | 2458935 | 2020-03-26 | 169.5 |
| 81 | 2459106 | 2020-09-13 | 168.94 |
| 82 | 2459265 | 2021-02-19 | 168.54 |
| 83 | 2459440 | 2021-08-13 | 168.27 |
| 84 | 2459612 | 2022-02-01 | 167.69 |
| 86 | 2459945 | 2022-12-31 | 167.09 |
| 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. |