| E | O (JD) | O (dat) | Period |
| -138 | 2405769 | 1874-09-02 | 243.72 |
| -116 | 2411135 | 1889-05-12 | 243.64 |
| -110 | 2412590 | 1893-05-06 | 243.6 |
| -107 | 2413325 | 1895-05-11 | 243.65 |
| -105 | 2413811 | 1896-09-08 | 243.74 |
| -104 | 2414058 | 1897-05-13 | 243.75 |
| -101 | 2414780 | 1899-05-05 | 243.93 |
| -100 | 2415025 | 1900-01-05 | 244.35 |
| -99 | 2415277 | 1900-09-14 | 244.02 |
| -98 | 2415528 | 1901-05-23 | 244.19 |
| -97 | 2415764 | 1902-01-14 | 244.18 |
| -96 | 2416015 | 1902-09-22 | 244.44 |
| -95 | 2416255 | 1903-05-20 | 243.91 |
| -93 | 2416732 | 1904-09-08 | 243.69 |
| -92 | 2416987 | 1905-05-21 | 243.61 |
| -90 | 2417473 | 1906-09-19 | 243.81 |
| -89 | 2417720 | 1907-05-24 | 243.72 |
| -87 | 2418200 | 1908-09-15 | 243.59 |
| -86 | 2418450 | 1909-05-23 | 243.32 |
| -84 | 2418935 | 1910-09-20 | 243.11 |
| -83 | 2419180 | 1911-05-23 | 243.05 |
| -81 | 2419666 | 1912-09-20 | 242.78 |
| -80 | 2419900 | 1913-05-12 | 242.48 |
| -78 | 2420385 | 1914-09-09 | 242.27 |
| -77 | 2420640 | 1915-05-22 | 242.44 |
| -75 | 2421121 | 1916-09-14 | 242.18 |
| -74 | 2421357 | 1917-05-08 | 242.4 |
| -73 | 2421594 | 1917-12-31 | 242.81 |
| -72 | 2421845 | 1918-09-08 | 242.86 |
| -71 | 2422093 | 1919-05-14 | 242.8 |
| -70 | 2422322 | 1919-12-29 | 243.53 |
| -69 | 2422575 | 1920-09-07 | 243.87 |
| -68 | 2422820 | 1921-05-10 | 243.67 |
| -67 | 2423064 | 1922-01-09 | 243.41 |
| -66 | 2423306 | 1922-09-08 | 243.65 |
| -65 | 2423551 | 1923-05-11 | 244.07 |
| -64 | 2423792 | 1924-01-07 | 243.56 |
| -63 | 2424031 | 1924-09-02 | 243.42 |
| -62 | 2424280 | 1925-05-09 | 243.53 |
| -61 | 2424527 | 1926-01-11 | 243.82 |
| -60 | 2424770 | 1926-09-11 | 244.06 |
| -59 | 2425010 | 1927-05-09 | 244.67 |
| -58 | 2425252 | 1928-01-06 | 244.74 |
| -57 | 2425499 | 1928-09-09 | 244.73 |
| -56 | 2425746 | 1929-05-14 | 244.74 |
| -55 | 2425991 | 1930-01-14 | 245 |
| -54 | 2426242 | 1930-09-22 | 245.12 |
| -53 | 2426479 | 1931-05-17 | 244.93 |
| -52 | 2426728 | 1932-01-21 | 244.92 |
| -51 | 2426969 | 1932-09-18 | 244.82 |
| -50 | 2427216 | 1933-05-23 | 244.63 |
| -49 | 2427459 | 1934-01-21 | 244.65 |
| -48 | 2427702 | 1934-09-21 | 245.19 |
| -47 | 2427954 | 1935-05-31 | 244.85 |
| -46 | 2428196 | 1936-01-28 | 244.91 |
| -45 | 2428437 | 1936-09-25 | 244.79 |
| -44 | 2428686 | 1937-06-01 | 244.65 |
| -43 | 2428935 | 1938-02-05 | 244.51 |
| -42 | 2429170 | 1938-09-28 | 244.24 |
| -41 | 2429418 | 1939-06-03 | 244.41 |
| -40 | 2429663 | 1940-02-03 | 244.67 |
| -39 | 2429905 | 1940-10-02 | 244.45 |
| -38 | 2430151 | 1941-06-05 | 244.48 |
| -37 | 2430395 | 1942-02-04 | 245.06 |
| -36 | 2430641 | 1942-10-08 | 245.1 |
| -35 | 2430890 | 1943-06-14 | 245.63 |
| -34 | 2431129 | 1944-02-08 | 245.85 |
| -33 | 2431374 | 1944-10-10 | 245.82 |
| -32 | 2431625 | 1945-06-18 | 245.7 |
| -31 | 2431869 | 1946-02-17 | 245.32 |
| -30 | 2432122 | 1946-10-28 | 245.26 |
| -29 | 2432362 | 1947-06-25 | 245.29 |
| -28 | 2432606 | 1948-02-24 | 244.64 |
| -27 | 2432849 | 1948-10-24 | 244.19 |
| -26 | 2433090 | 1949-06-22 | 244.02 |
| -25 | 2433341 | 1950-02-28 | 243.8 |
| -24 | 2433584 | 1950-10-29 | 244.07 |
| -23 | 2433821 | 1951-06-23 | 244.06 |
| -22 | 2434070 | 1952-02-27 | 243.61 |
| -21 | 2434314 | 1952-10-28 | 243.7 |
| -20 | 2434558 | 1953-06-29 | 243.35 |
| -19 | 2434803 | 1954-03-01 | 243.21 |
| -18 | 2435045 | 1954-10-29 | 243.14 |
| -17 | 2435279 | 1955-06-20 | 243.02 |
| -16 | 2435534 | 1956-03-01 | 243.26 |
| -15 | 2435772 | 1956-10-25 | 243.08 |
| -14 | 2436012 | 1957-06-22 | 243.11 |
| -13 | 2436256 | 1958-02-21 | 243.56 |
| -12 | 2436505 | 1958-10-28 | 243.78 |
| -11 | 2436751 | 1959-07-01 | 243.07 |
| -10 | 2436985 | 1960-02-20 | 243.13 |
| -9 | 2437231 | 1960-10-23 | 243.55 |
| -8 | 2437481 | 1961-06-30 | 243.8 |
| -7 | 2437721 | 1962-02-25 | 243.67 |
| -6 | 2437955 | 1962-10-17 | 243.6 |
| -5 | 2438201 | 1963-06-20 | 243.78 |
| -4 | 2438457 | 1964-03-02 | 243.62 |
| -3 | 2438702 | 1964-11-02 | 243.56 |
| -2 | 2438939 | 1965-06-27 | 243.76 |
| -1 | 2439178 | 1966-02-21 | 243.79 |
| 0 | 2439423 | 1966-10-24 | 243.06 |
| 1 | 2439669 | 1967-06-27 | 242.52 |
| 2 | 2439913 | 1968-02-26 | 243.07 |
| 3 | 2440155 | 1968-10-25 | 243.43 |
| 4 | 2440398 | 1969-06-25 | 243.63 |
| 5 | 2440636 | 1970-02-18 | 243.61 |
| 6 | 2440881 | 1970-10-21 | 243.56 |
| 7 | 2441134 | 1971-07-01 | 244.12 |
| 8 | 2441371 | 1972-02-23 | 244.86 |
| 9 | 2441617 | 1972-10-26 | 245.33 |
| 10 | 2441861 | 1973-06-27 | 245.7 |
| 11 | 2442103 | 1974-02-24 | 245.42 |
| 12 | 2442357 | 1974-11-05 | 245.17 |
| 13 | 2442606 | 1975-07-12 | 245.25 |
| 14 | 2442848 | 1976-03-10 | 244.75 |
| 15 | 2443093 | 1976-11-10 | 244.2 |
| 16 | 2443332 | 1977-07-07 | 243.64 |
| 17 | 2443578 | 1978-03-10 | 242.81 |
| 18 | 2443821 | 1978-11-08 | 242.75 |
| 19 | 2444061 | 1979-07-06 | 242.4 |
| 20 | 2444303 | 1980-03-04 | 242.05 |
| 21 | 2444547 | 1980-11-03 | 242.33 |
| 22 | 2444788 | 1981-07-02 | 242.33 |
| 23 | 2445037 | 1982-03-08 | 242.55 |
| 24 | 2445268 | 1982-10-25 | 242.77 |
| 25 | 2445510 | 1983-06-24 | 242.96 |
| 26 | 2445762 | 1984-03-02 | 243.19 |
| 27 | 2446003 | 1984-10-29 | 243.26 |
| 28 | 2446247 | 1985-06-30 | 243.06 |
| 29 | 2446489 | 1986-02-27 | 243.55 |
| 30 | 2446734 | 1986-10-30 | 243.4 |
| 31 | 2446979 | 1987-07-02 | 242.94 |
| 32 | 2447218 | 1988-02-26 | 242.95 |
| 33 | 2447457 | 1988-10-22 | 243.02 |
| 34 | 2447707 | 1989-06-29 | 243.43 |
| 35 | 2447950 | 1990-02-27 | 244.11 |
| 36 | 2448189 | 1990-10-24 | 244.05 |
| 37 | 2448433 | 1991-06-25 | 244.21 |
| 38 | 2448679 | 1992-02-26 | 244.13 |
| 39 | 2448929 | 1992-11-02 | 243.99 |
| 40 | 2449181 | 1993-07-12 | 243.95 |
| 41 | 2449409 | 1994-02-25 | 243.59 |
| 42 | 2449655 | 1994-10-29 | 242.87 |
| 43 | 2449898 | 1995-06-29 | 242.47 |
| 44 | 2450146 | 1996-03-03 | 242.59 |
| 45 | 2450386 | 1996-10-29 | 242.8 |
| 46 | 2450623 | 1997-06-23 | 243.49 |
| 47 | 2450863 | 1998-02-18 | 243.16 |
| 48 | 2451112 | 1998-10-25 | 242.81 |
| 49 | 2451364 | 1999-07-04 | 242.65 |
| 50 | 2451603 | 2000-02-28 | 243.01 |
| 51 | 2451846 | 2000-10-28 | 243.28 |
| 52 | 2452083 | 2001-06-22 | 242.63 |
| 53 | 2452322 | 2002-02-16 | 242 |
| 54 | 2452568 | 2002-10-20 | 242.06 |
| 55 | 2452816 | 2003-06-25 | 242.33 |
| 56 | 2453060 | 2004-02-24 | 242.54 |
| 57 | 2453290 | 2004-10-11 | 243.09 |
| 58 | 2453536 | 2005-06-14 | 243.75 |
| 59 | 2453787 | 2006-02-20 | 243.79 |
| 60 | 2454024 | 2006-10-15 | 244.45 |
| 61 | 2454268 | 2007-06-16 | 244.83 |
| 62 | 2454517 | 2008-02-20 | 245.06 |
| 63 | 2454769 | 2008-10-29 | 244.97 |
| 64 | 2455006 | 2009-06-23 | 244.68 |
| 65 | 2455261 | 2010-03-05 | 244.88 |
| 66 | 2455496 | 2010-10-26 | 244.84 |
| 67 | 2455736 | 2011-06-23 | 244.55 |
| 68 | 2455988 | 2012-03-01 | 244.6 |
| 69 | 2456228 | 2012-10-27 | 245.01 |
| 70 | 2456476 | 2013-07-02 | 245.25 |
| 71 | 2456724 | 2014-03-07 | 246.15 |
| 72 | 2456966 | 2014-11-04 | 245.9 |
| 73 | 2457214 | 2015-07-10 | 245.47 |
| 74 | 2457459 | 2016-03-11 | 245.1 |
| 75 | 2457709 | 2016-11-16 | 244.93 |
| 76 | 2457958 | 2017-07-23 | 244.35 |
| 77 | 2458190 | 2018-03-12 | 243.87 |
| 78 | 2458437 | 2018-11-14 | 243.3 |
| 79 | 2458676 | 2019-07-11 | 242.81 |
| 80 | 2458930 | 2020-03-21 | 242.66 |
| 81 | 2459164 | 2020-11-10 | 242.69 |
| 82 | 2459406 | 2021-07-10 | 243.02 |
| 83 | 2459650 | 2022-03-11 | 242.84 |
| 84 | 2459891 | 2022-11-07 | 242.85 |
| 85 | 2460140 | 2023-07-14 | 242.46 |
| 86 | 2460380 | 2024-03-10 | 243.29 |
| 87 | 2460622 | 2024-11-07 | 243.4 |
| 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. |