| E | O (JD) | O (dat) | Period |
| -143 | 2404565 | 1871-05-17 | 271.64 |
| -142 | 2404839 | 1872-02-15 | 271.69 |
| -141 | 2405113 | 1872-11-15 | 272.55 |
| -139 | 2405657 | 1874-05-13 | 272.32 |
| -138 | 2405918 | 1875-01-29 | 272.82 |
| -134 | 2407013 | 1878-01-28 | 272.55 |
| -133 | 2407284 | 1878-10-26 | 272.43 |
| -131 | 2407845 | 1880-05-09 | 272.03 |
| -130 | 2408101 | 1881-01-20 | 271.82 |
| -129 | 2408395 | 1881-11-10 | 272.23 |
| -127 | 2408918 | 1883-04-17 | 271.94 |
| -126 | 2409192 | 1884-01-16 | 271.99 |
| -123 | 2409997 | 1886-03-31 | 272.1 |
| -115 | 2412177 | 1892-03-19 | 272.16 |
| -114 | 2412470 | 1893-01-06 | 272.06 |
| -113 | 2412726 | 1893-09-19 | 272.78 |
| -111 | 2413280 | 1895-03-27 | 272.8 |
| -110 | 2413560 | 1896-01-01 | 273.23 |
| -107 | 2414359 | 1898-03-10 | 272.49 |
| -106 | 2414635 | 1898-12-11 | 272.56 |
| -104 | 2415201 | 1900-06-30 | 273.44 |
| -103 | 2415455 | 1901-03-11 | 273.45 |
| -102 | 2415741 | 1901-12-22 | 273.99 |
| -100 | 2416260 | 1903-05-25 | 274.51 |
| -99 | 2416563 | 1904-03-23 | 274.21 |
| -98 | 2416845 | 1904-12-30 | 273.83 |
| -97 | 2417108 | 1905-09-19 | 273.63 |
| -96 | 2417390 | 1906-06-28 | 272.45 |
| -95 | 2417648 | 1907-03-13 | 271.87 |
| -94 | 2417928 | 1907-12-18 | 270.11 |
| -93 | 2418200 | 1908-09-15 | 270.02 |
| -92 | 2418456 | 1909-05-29 | 270.43 |
| -91 | 2418727 | 1910-02-24 | 271.32 |
| -90 | 2418999 | 1910-11-23 | 272.03 |
| -89 | 2419274 | 1911-08-25 | 272.14 |
| -88 | 2419550 | 1912-05-27 | 272.56 |
| -87 | 2419820 | 1913-02-21 | 272.94 |
| -86 | 2420110 | 1913-12-08 | 272.75 |
| -84 | 2420640 | 1915-05-22 | 271.98 |
| -83 | 2420913 | 1916-02-19 | 271.33 |
| -82 | 2421184 | 1916-11-16 | 270.84 |
| -81 | 2421454 | 1917-08-13 | 270.89 |
| -80 | 2421728 | 1918-05-14 | 270.11 |
| -79 | 2421987 | 1919-01-28 | 270.75 |
| -78 | 2422262 | 1919-10-30 | 270.69 |
| -77 | 2422535 | 1920-07-29 | 270.71 |
| -76 | 2422816 | 1921-05-06 | 271.05 |
| -75 | 2423072 | 1922-01-17 | 271.32 |
| -74 | 2423351 | 1922-10-23 | 272.05 |
| -73 | 2423619 | 1923-07-18 | 272.45 |
| -72 | 2423889 | 1924-04-13 | 271.73 |
| -71 | 2424166 | 1925-01-15 | 271.64 |
| -70 | 2424437 | 1925-10-13 | 272.21 |
| -69 | 2424715 | 1926-07-18 | 272 |
| -68 | 2424994 | 1927-04-23 | 272.53 |
| -67 | 2425241 | 1927-12-26 | 272.99 |
| -66 | 2425523 | 1928-10-03 | 273.46 |
| -65 | 2425798 | 1929-07-05 | 273.3 |
| -64 | 2426070 | 1930-04-03 | 273.31 |
| -63 | 2426351 | 1931-01-09 | 273.54 |
| -62 | 2426628 | 1931-10-13 | 274.09 |
| -61 | 2426906 | 1932-07-17 | 273.43 |
| -60 | 2427163 | 1933-03-31 | 272.65 |
| -59 | 2427441 | 1934-01-03 | 271.79 |
| -58 | 2427713 | 1934-10-02 | 271.33 |
| -57 | 2427985 | 1935-07-01 | 271.13 |
| -56 | 2428260 | 1936-04-01 | 270.72 |
| -55 | 2428523 | 1936-12-20 | 271.07 |
| -54 | 2428791 | 1937-09-14 | 270.77 |
| -53 | 2429072 | 1938-06-22 | 271.1 |
| -52 | 2429341 | 1939-03-18 | 271.14 |
| -51 | 2429602 | 1939-12-04 | 271.85 |
| -50 | 2429880 | 1940-09-07 | 273.07 |
| -49 | 2430152 | 1941-06-06 | 272.82 |
| -48 | 2430430 | 1942-03-11 | 272.69 |
| -47 | 2430695 | 1942-12-01 | 272.48 |
| -46 | 2430980 | 1943-09-12 | 272.04 |
| -45 | 2431260 | 1944-06-18 | 271.34 |
| -44 | 2431512 | 1945-02-25 | 271.16 |
| -43 | 2431791 | 1945-12-01 | 271.06 |
| -42 | 2432052 | 1946-08-19 | 270.98 |
| -41 | 2432320 | 1947-05-14 | 270.73 |
| -40 | 2432597 | 1948-02-15 | 270.89 |
| -39 | 2432874 | 1948-11-18 | 272.15 |
| -38 | 2433148 | 1949-08-19 | 271.85 |
| -37 | 2433414 | 1950-05-12 | 272.45 |
| -36 | 2433689 | 1951-02-11 | 272.12 |
| -35 | 2433955 | 1951-11-04 | 272.17 |
| -34 | 2434238 | 1952-08-13 | 272.26 |
| -33 | 2434497 | 1953-04-29 | 272.23 |
| -32 | 2434779 | 1954-02-05 | 272.15 |
| -31 | 2435043 | 1954-10-27 | 271.73 |
| -30 | 2435328 | 1955-08-08 | 271.88 |
| -29 | 2435598 | 1956-05-04 | 271.39 |
| -28 | 2435863 | 1957-01-24 | 271.65 |
| -27 | 2436131 | 1957-10-19 | 271.5 |
| -26 | 2436401 | 1958-07-16 | 271.95 |
| -25 | 2436681 | 1959-04-22 | 271.68 |
| -24 | 2436946 | 1960-01-12 | 272.35 |
| -23 | 2437221 | 1960-10-13 | 273.13 |
| -22 | 2437498 | 1961-07-17 | 273.35 |
| -21 | 2437773 | 1962-04-18 | 273.48 |
| -20 | 2438039 | 1963-01-09 | 273.05 |
| -19 | 2438317 | 1963-10-14 | 273.09 |
| -18 | 2438593 | 1964-07-16 | 272.44 |
| -17 | 2438862 | 1965-04-11 | 272.25 |
| -16 | 2439138 | 1966-01-12 | 272.06 |
| -15 | 2439403 | 1966-10-04 | 272.11 |
| -14 | 2439678 | 1967-07-06 | 271.18 |
| -13 | 2439944 | 1968-03-28 | 271.15 |
| -12 | 2440224 | 1969-01-02 | 271.57 |
| -11 | 2440492 | 1969-09-27 | 271.57 |
| -10 | 2440766 | 1970-06-28 | 271.87 |
| -9 | 2441024 | 1971-03-13 | 272.08 |
| -8 | 2441307 | 1971-12-21 | 272.09 |
| -7 | 2441584 | 1972-09-23 | 271.91 |
| -6 | 2441850 | 1973-06-16 | 271.86 |
| -5 | 2442123 | 1974-03-16 | 271.88 |
| -4 | 2442400 | 1974-12-18 | 272.13 |
| -3 | 2442665 | 1975-09-09 | 271.59 |
| -2 | 2442939 | 1976-06-09 | 271.34 |
| -1 | 2443205 | 1977-03-02 | 271.27 |
| 0 | 2443481 | 1977-12-03 | 271.01 |
| 1 | 2443755 | 1978-09-03 | 271.05 |
| 2 | 2444026 | 1979-06-01 | 271.65 |
| 3 | 2444293 | 1980-02-23 | 271.49 |
| 4 | 2444562 | 1980-11-18 | 270.96 |
| 5 | 2444834 | 1981-08-17 | 270.85 |
| 6 | 2445110 | 1982-05-20 | 271.2 |
| 7 | 2445387 | 1983-02-21 | 271.45 |
| 8 | 2445650 | 1983-11-11 | 272.1 |
| 9 | 2445910 | 1984-07-28 | 271.97 |
| 10 | 2446194 | 1985-05-08 | 272.15 |
| 11 | 2446471 | 1986-02-09 | 271.9 |
| 12 | 2446738 | 1986-11-03 | 271.71 |
| 13 | 2447018 | 1987-08-10 | 272.56 |
| 14 | 2447279 | 1988-04-27 | 272.52 |
| 15 | 2447560 | 1989-02-02 | 272.5 |
| 16 | 2447824 | 1989-10-24 | 273.3 |
| 17 | 2448092 | 1990-07-19 | 274.15 |
| 18 | 2448379 | 1991-05-02 | 274.43 |
| 19 | 2448642 | 1992-01-20 | 275.17 |
| 20 | 2448929 | 1992-11-02 | 275.43 |
| 21 | 2449210 | 1993-08-10 | 275.85 |
| 22 | 2449482 | 1994-05-09 | 276.29 |
| 23 | 2449751 | 1995-02-02 | 276.02 |
| 24 | 2450028 | 1995-11-06 | 275.91 |
| 25 | 2450306 | 1996-08-10 | 275.24 |
| 26 | 2450578 | 1997-05-09 | 274.73 |
| 27 | 2450865 | 1998-02-20 | 273.92 |
| 28 | 2451136 | 1998-11-18 | 273.51 |
| 29 | 2451404 | 1999-08-13 | 272.65 |
| 30 | 2451681 | 2000-05-16 | 271.88 |
| 31 | 2451948 | 2001-02-07 | 270.8 |
| 32 | 2452208 | 2001-10-25 | 269.56 |
| 33 | 2452490 | 2002-08-03 | 269.45 |
| 34 | 2452759 | 2003-04-29 | 269.45 |
| 35 | 2453030 | 2004-01-25 | 269.67 |
| 36 | 2453290 | 2004-10-11 | 269.72 |
| 37 | 2453557 | 2005-07-05 | 270.29 |
| 38 | 2453833 | 2006-04-07 | 270.41 |
| 39 | 2454104 | 2007-01-03 | 271.52 |
| 40 | 2454381 | 2007-10-07 | 271.46 |
| 41 | 2454640 | 2008-06-22 | 272.08 |
| 42 | 2454923 | 2009-04-01 | 272.16 |
| 43 | 2455196 | 2009-12-30 | 271.85 |
| 44 | 2455477 | 2010-10-07 | 271.74 |
| 45 | 2455726 | 2011-06-13 | 271.69 |
| 46 | 2456009 | 2012-03-22 | 271.6 |
| 47 | 2456281 | 2012-12-19 | 271.41 |
| 48 | 2456550 | 2013-09-14 | 271.25 |
| 49 | 2456822 | 2014-06-13 | 271.37 |
| 50 | 2457096 | 2015-03-14 | 272.18 |
| 51 | 2457361 | 2015-12-04 | 271.49 |
| 52 | 2457644 | 2016-09-12 | 271.84 |
| 53 | 2457906 | 2017-06-01 | 272.13 |
| 54 | 2458181 | 2018-03-03 | 272.35 |
| 55 | 2458456 | 2018-12-03 | 272.56 |
| 56 | 2458720 | 2019-08-24 | 273.2 |
| 57 | 2459002 | 2020-06-01 | 273.25 |
| 58 | 2459273 | 2021-02-27 | 273.71 |
| 59 | 2459547 | 2021-11-28 | 273.73 |
| 60 | 2459820 | 2022-08-28 | 273.88 |
| 61 | 2460100 | 2023-06-04 | 274.3 |
| 62 | 2460370 | 2024-02-29 | 273.71 |
| 63 | 2460641 | 2024-11-26 | 273.97 |
| 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. |