| E | O (JD) | O (dat) | Period |
| -124 | 2410260 | 1886-12-19 | 274.92 |
| -122 | 2410806 | 1888-06-17 | 275.43 |
| -121 | 2411081 | 1889-03-19 | 276.18 |
| -120 | 2411358 | 1889-12-21 | 276.54 |
| -119 | 2411638 | 1890-09-27 | 276.58 |
| -117 | 2412181 | 1892-03-23 | 277.14 |
| -116 | 2412464 | 1892-12-31 | 277.58 |
| -115 | 2412748 | 1893-10-11 | 277.73 |
| -114 | 2413024 | 1894-07-14 | 277.67 |
| -111 | 2413850 | 1896-10-17 | 278.08 |
| -107 | 2414970 | 1899-11-11 | 278.56 |
| -104 | 2415800 | 1902-02-19 | 278.6 |
| -103 | 2416079 | 1902-11-25 | 278.63 |
| -102 | 2416350 | 1903-08-23 | 278.54 |
| -101 | 2416650 | 1904-06-18 | 278.75 |
| -100 | 2416932 | 1905-03-27 | 278.36 |
| -99 | 2417205 | 1905-12-25 | 277.96 |
| -98 | 2417479 | 1906-09-25 | 277.49 |
| -97 | 2417741 | 1907-06-14 | 277.51 |
| -96 | 2418030 | 1908-03-29 | 276.59 |
| -95 | 2418307 | 1908-12-31 | 276.62 |
| -94 | 2418579 | 1909-09-29 | 277.16 |
| -93 | 2418860 | 1910-07-07 | 277.06 |
| -92 | 2419148 | 1911-04-21 | 277.71 |
| -91 | 2419416 | 1912-01-14 | 277.17 |
| -90 | 2419690 | 1912-10-14 | 277.63 |
| -89 | 2419971 | 1913-07-22 | 277.75 |
| -88 | 2420237 | 1914-04-14 | 277.01 |
| -87 | 2420531 | 1915-02-02 | 276.4 |
| -86 | 2420801 | 1915-10-30 | 276.68 |
| -85 | 2421088 | 1916-08-12 | 276.32 |
| -84 | 2421360 | 1917-05-11 | 275.88 |
| -83 | 2421625 | 1918-01-31 | 275.77 |
| -82 | 2421900 | 1918-11-02 | 275.2 |
| -81 | 2422182 | 1919-08-11 | 275.67 |
| -80 | 2422453 | 1920-05-08 | 275.83 |
| -79 | 2422730 | 1921-02-09 | 276.17 |
| -78 | 2423008 | 1921-11-14 | 277.11 |
| -77 | 2423286 | 1922-08-19 | 277.76 |
| -76 | 2423566 | 1923-05-26 | 278.42 |
| -75 | 2423842 | 1924-02-26 | 279.62 |
| -74 | 2424110 | 1924-11-20 | 280.22 |
| -73 | 2424401 | 1925-09-07 | 280.36 |
| -72 | 2424685 | 1926-06-18 | 280.24 |
| -71 | 2424967 | 1927-03-27 | 280.14 |
| -70 | 2425254 | 1928-01-08 | 280.96 |
| -69 | 2425530 | 1928-10-10 | 281.1 |
| -68 | 2425803 | 1929-07-10 | 280.42 |
| -67 | 2426078 | 1930-04-11 | 279.81 |
| -66 | 2426359 | 1931-01-17 | 279.38 |
| -65 | 2426658 | 1931-11-12 | 279.07 |
| -64 | 2426930 | 1932-08-10 | 278.64 |
| -63 | 2427208 | 1933-05-15 | 278.29 |
| -62 | 2427480 | 1934-02-11 | 277.65 |
| -61 | 2427759 | 1934-11-17 | 276.64 |
| -60 | 2428038 | 1935-08-23 | 276.05 |
| -59 | 2428305 | 1936-05-16 | 276.81 |
| -58 | 2428586 | 1937-02-21 | 277.12 |
| -57 | 2428863 | 1937-11-25 | 277.12 |
| -56 | 2429137 | 1938-08-26 | 277.11 |
| -55 | 2429421 | 1939-06-06 | 277.48 |
| -54 | 2429704 | 1940-03-15 | 277.84 |
| -53 | 2429977 | 1940-12-13 | 277.28 |
| -52 | 2430246 | 1941-09-08 | 277.11 |
| -51 | 2430527 | 1942-06-16 | 277.65 |
| -50 | 2430810 | 1943-03-26 | 276.67 |
| -49 | 2431085 | 1943-12-26 | 276.31 |
| -48 | 2431354 | 1944-09-20 | 276.16 |
| -47 | 2431635 | 1945-06-28 | 276.37 |
| -46 | 2431928 | 1946-04-17 | 276.24 |
| -45 | 2432179 | 1946-12-24 | 276.1 |
| -44 | 2432460 | 1947-10-01 | 276.42 |
| -43 | 2432733 | 1948-06-30 | 276.7 |
| -42 | 2433019 | 1949-04-12 | 276.51 |
| -41 | 2433297 | 1950-01-15 | 276.22 |
| -40 | 2433570 | 1950-10-15 | 277.26 |
| -39 | 2433849 | 1951-07-21 | 276.79 |
| -38 | 2434126 | 1952-04-23 | 276.66 |
| -37 | 2434401 | 1953-01-23 | 276.45 |
| -36 | 2434671 | 1953-10-20 | 276.31 |
| -35 | 2434956 | 1954-08-01 | 276.35 |
| -34 | 2435227 | 1955-04-29 | 276.55 |
| -33 | 2435507 | 1956-02-03 | 276.39 |
| -32 | 2435787 | 1956-11-09 | 275.89 |
| -31 | 2436056 | 1957-08-05 | 275.75 |
| -30 | 2436334 | 1958-05-10 | 275.41 |
| -29 | 2436617 | 1959-02-17 | 275.37 |
| -28 | 2436884 | 1959-11-11 | 274.9 |
| -27 | 2437151 | 1960-08-04 | 275.16 |
| -26 | 2437434 | 1961-05-14 | 276.15 |
| -25 | 2437712 | 1962-02-16 | 276.3 |
| -24 | 2437985 | 1962-11-16 | 276.2 |
| -23 | 2438256 | 1963-08-14 | 276.8 |
| -22 | 2438542 | 1964-05-26 | 276.87 |
| -21 | 2438829 | 1965-03-09 | 276.54 |
| -20 | 2439096 | 1965-12-01 | 276.7 |
| -19 | 2439365 | 1966-08-27 | 277.11 |
| -18 | 2439647 | 1967-06-05 | 276.6 |
| -17 | 2439921 | 1968-03-05 | 276.25 |
| -16 | 2440199 | 1968-12-08 | 276.03 |
| -15 | 2440480 | 1969-09-15 | 276.48 |
| -14 | 2440761 | 1970-06-23 | 277.02 |
| -13 | 2441023 | 1971-03-12 | 276.43 |
| -12 | 2441309 | 1971-12-23 | 276.71 |
| -11 | 2441579 | 1972-09-18 | 276.23 |
| -10 | 2441857 | 1973-06-23 | 276.29 |
| -9 | 2442144 | 1974-04-06 | 276.17 |
| -8 | 2442406 | 1974-12-24 | 276.67 |
| -7 | 2442695 | 1975-10-09 | 276.33 |
| -6 | 2442959 | 1976-06-29 | 276.7 |
| -5 | 2443245 | 1977-04-11 | 276.45 |
| -4 | 2443513 | 1978-01-04 | 276.56 |
| -3 | 2443796 | 1978-10-14 | 277.43 |
| -2 | 2444070 | 1979-07-15 | 277.18 |
| -1 | 2444352 | 1980-04-22 | 276.73 |
| 0 | 2444623 | 1981-01-18 | 276.25 |
| 1 | 2444906 | 1981-10-28 | 275.77 |
| 2 | 2445188 | 1982-08-06 | 275.15 |
| 3 | 2445458 | 1983-05-03 | 274.98 |
| 4 | 2445717 | 1984-01-17 | 274.52 |
| 5 | 2446004 | 1984-10-30 | 274.26 |
| 6 | 2446270 | 1985-07-23 | 273.57 |
| 7 | 2446550 | 1986-04-29 | 273.3 |
| 8 | 2446828 | 1987-02-01 | 273.48 |
| 9 | 2447099 | 1987-10-30 | 273.86 |
| 10 | 2447371 | 1988-07-28 | 273.98 |
| 11 | 2447640 | 1989-04-23 | 274.76 |
| 12 | 2447913 | 1990-01-21 | 275.25 |
| 13 | 2448186 | 1990-10-21 | 275.8 |
| 14 | 2448466 | 1991-07-28 | 276.29 |
| 15 | 2448751 | 1992-05-08 | 276.58 |
| 16 | 2449028 | 1993-02-09 | 276.92 |
| 17 | 2449307 | 1993-11-15 | 277.11 |
| 18 | 2449580 | 1994-08-15 | 277.45 |
| 19 | 2449851 | 1995-05-13 | 277.27 |
| 20 | 2450126 | 1996-02-12 | 277.06 |
| 21 | 2450406 | 1996-11-18 | 277.41 |
| 22 | 2450687 | 1997-08-26 | 278.05 |
| 23 | 2450972 | 1998-06-07 | 278.61 |
| 24 | 2451245 | 1999-03-07 | 278.58 |
| 25 | 2451520 | 1999-12-07 | 278.47 |
| 26 | 2451801 | 2000-09-13 | 278.3 |
| 27 | 2452085 | 2001-06-24 | 278.24 |
| 28 | 2452360 | 2002-03-26 | 278.29 |
| 29 | 2452630 | 2002-12-21 | 278.43 |
| 30 | 2452913 | 2003-09-30 | 278.55 |
| 31 | 2453194 | 2004-07-07 | 278.51 |
| 32 | 2453474 | 2005-04-13 | 278.35 |
| 33 | 2453753 | 2006-01-17 | 279.09 |
| 34 | 2454026 | 2006-10-17 | 279.66 |
| 35 | 2454309 | 2007-07-27 | 279.3 |
| 36 | 2454588 | 2008-05-01 | 279.25 |
| 37 | 2454862 | 2009-01-30 | 279.15 |
| 38 | 2455153 | 2009-11-17 | 279.08 |
| 39 | 2455433 | 2010-08-24 | 278.64 |
| 40 | 2455703 | 2011-05-21 | 277.94 |
| 41 | 2455985 | 2012-02-27 | 277.71 |
| 42 | 2456261 | 2012-11-29 | 277.24 |
| 43 | 2456539 | 2013-09-03 | 277.04 |
| 44 | 2456809 | 2014-05-31 | 276.73 |
| 45 | 2457087 | 2015-03-05 | 277.11 |
| 46 | 2457370 | 2015-12-13 | 277.25 |
| 47 | 2457642 | 2016-09-10 | 277.86 |
| 48 | 2457930 | 2017-06-25 | 277.78 |
| 49 | 2458192 | 2018-03-14 | 277.85 |
| 50 | 2458479 | 2018-12-26 | 277.68 |
| 51 | 2458759 | 2019-10-02 | 277.5 |
| 52 | 2459042 | 2020-07-11 | 277.62 |
| 53 | 2459307 | 2021-04-02 | 277.25 |
| 54 | 2459586 | 2022-01-06 | 278 |
| 55 | 2459866 | 2022-10-13 | 276.6 |
| 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. |