| E | O (JD) | O (dat) | Period |
| -100 | 2413240 | 1895-02-15 | 325.49 |
| -99 | 2413577 | 1896-01-18 | 325.21 |
| -98 | 2413902 | 1896-12-08 | 324.83 |
| -97 | 2414221 | 1897-10-23 | 325.47 |
| -96 | 2414538 | 1898-09-05 | 325.49 |
| -95 | 2414878 | 1899-08-11 | 324.94 |
| -94 | 2415196 | 1900-06-25 | 324.68 |
| -93 | 2415518 | 1901-05-13 | 324.95 |
| -92 | 2415855 | 1902-04-15 | 325.13 |
| -91 | 2416175 | 1903-03-01 | 324.58 |
| -90 | 2416488 | 1904-01-08 | 323.25 |
| -89 | 2416824 | 1904-12-09 | 322.62 |
| -88 | 2417148 | 1905-10-29 | 321.41 |
| -87 | 2417470 | 1906-09-16 | 320.05 |
| -86 | 2417785 | 1907-07-28 | 319.77 |
| -85 | 2418100 | 1908-06-07 | 319.69 |
| -84 | 2418420 | 1909-04-23 | 319.43 |
| -83 | 2418734 | 1910-03-03 | 320.71 |
| -82 | 2419052 | 1911-01-15 | 321.85 |
| -81 | 2419378 | 1911-12-07 | 323.14 |
| -80 | 2419703 | 1912-10-27 | 323.38 |
| -79 | 2420029 | 1913-09-18 | 323.03 |
| -78 | 2420368 | 1914-08-23 | 322.71 |
| -77 | 2420685 | 1915-07-06 | 321.89 |
| -76 | 2421009 | 1916-05-25 | 321.47 |
| -75 | 2421316 | 1917-03-28 | 320.96 |
| -74 | 2421631 | 1918-02-06 | 320.65 |
| -73 | 2421954 | 1918-12-26 | 320.47 |
| -72 | 2422273 | 1919-11-10 | 321.63 |
| -71 | 2422608 | 1920-10-10 | 322.95 |
| -70 | 2422926 | 1921-08-24 | 325.33 |
| -69 | 2423250 | 1922-07-14 | 326.57 |
| -68 | 2423571 | 1923-05-31 | 327.77 |
| -67 | 2423902 | 1924-04-26 | 328.62 |
| -66 | 2424232 | 1925-03-22 | 328.87 |
| -65 | 2424576 | 1926-03-01 | 330.08 |
| -64 | 2424896 | 1927-01-15 | 330.76 |
| -63 | 2425233 | 1927-12-18 | 330.91 |
| -62 | 2425558 | 1928-11-07 | 330.48 |
| -61 | 2425883 | 1929-09-28 | 330.65 |
| -60 | 2426224 | 1930-09-04 | 331.37 |
| -59 | 2426554 | 1931-07-31 | 332.83 |
| -58 | 2426879 | 1932-06-20 | 333.27 |
| -57 | 2427207 | 1933-05-14 | 334.32 |
| -56 | 2427550 | 1934-04-22 | 334.86 |
| -55 | 2427896 | 1935-04-03 | 334.85 |
| -54 | 2428232 | 1936-03-04 | 335.25 |
| -53 | 2428557 | 1937-01-23 | 335.45 |
| -52 | 2428898 | 1937-12-30 | 335.25 |
| -51 | 2429230 | 1938-11-27 | 333.98 |
| -50 | 2429562 | 1939-10-25 | 333.08 |
| -49 | 2429898 | 1940-09-25 | 332.3 |
| -48 | 2430232 | 1941-08-25 | 331.67 |
| -47 | 2430569 | 1942-07-28 | 330.38 |
| -46 | 2430890 | 1943-06-14 | 329.04 |
| -45 | 2431223 | 1944-05-12 | 328.04 |
| -44 | 2431545 | 1945-03-30 | 327.19 |
| -43 | 2431875 | 1946-02-23 | 326.88 |
| -42 | 2432199 | 1947-01-13 | 326.49 |
| -41 | 2432517 | 1947-11-27 | 326.9 |
| -40 | 2432850 | 1948-10-25 | 326.41 |
| -39 | 2433179 | 1949-09-19 | 325.78 |
| -38 | 2433511 | 1950-08-17 | 325.17 |
| -37 | 2433831 | 1951-07-03 | 324.37 |
| -36 | 2434164 | 1952-05-31 | 323.37 |
| -35 | 2434478 | 1953-04-10 | 321.66 |
| -34 | 2434793 | 1954-02-19 | 320.96 |
| -33 | 2435121 | 1955-01-13 | 320.6 |
| -32 | 2435436 | 1955-11-24 | 320.7 |
| -31 | 2435755 | 1956-10-08 | 321.21 |
| -30 | 2436069 | 1957-08-18 | 322.45 |
| -29 | 2436402 | 1958-07-17 | 323.87 |
| -28 | 2436725 | 1959-06-05 | 325.01 |
| -27 | 2437046 | 1960-04-21 | 326.45 |
| -26 | 2437378 | 1961-03-19 | 327.18 |
| -25 | 2437704 | 1962-02-08 | 327.49 |
| -24 | 2438039 | 1963-01-09 | 327.29 |
| -23 | 2438367 | 1963-12-03 | 327.85 |
| -22 | 2438695 | 1964-10-26 | 327.98 |
| -21 | 2439016 | 1965-09-12 | 327.45 |
| -20 | 2439340 | 1966-08-02 | 327.65 |
| -19 | 2439669 | 1967-06-27 | 327.54 |
| -18 | 2440006 | 1968-05-29 | 327.46 |
| -17 | 2440330 | 1969-04-18 | 327.73 |
| -16 | 2440651 | 1970-03-05 | 328.05 |
| -15 | 2440990 | 1971-02-07 | 328.25 |
| -14 | 2441314 | 1971-12-28 | 328.27 |
| -13 | 2441635 | 1972-11-13 | 328.17 |
| -12 | 2441968 | 1973-10-12 | 328.64 |
| -11 | 2442296 | 1974-09-05 | 329.15 |
| -10 | 2442628 | 1975-08-03 | 329.76 |
| -9 | 2442958 | 1976-06-28 | 330.65 |
| -8 | 2443284 | 1977-05-20 | 330.88 |
| -7 | 2443615 | 1978-04-16 | 330.89 |
| -6 | 2443949 | 1979-03-16 | 330.98 |
| -5 | 2444290 | 1980-02-20 | 330.82 |
| -4 | 2444617 | 1981-01-12 | 330.53 |
| -3 | 2444939 | 1981-11-30 | 330.74 |
| -2 | 2445274 | 1982-10-31 | 330.4 |
| -1 | 2445604 | 1983-09-26 | 329.98 |
| 0 | 2445932 | 1984-08-19 | 329.53 |
| 1 | 2446258 | 1985-07-11 | 329.31 |
| 2 | 2446599 | 1986-06-17 | 328.6 |
| 3 | 2446924 | 1987-05-08 | 328.06 |
| 4 | 2447253 | 1988-04-01 | 327.49 |
| 5 | 2447579 | 1989-02-21 | 326.55 |
| 6 | 2447901 | 1990-01-09 | 325.49 |
| 7 | 2448220 | 1990-11-24 | 324.02 |
| 8 | 2448558 | 1991-10-28 | 323.49 |
| 9 | 2448879 | 1992-09-13 | 322.85 |
| 10 | 2449196 | 1993-07-27 | 322.35 |
| 11 | 2449518 | 1994-06-14 | 322.18 |
| 12 | 2449835 | 1995-04-27 | 321.59 |
| 13 | 2450162 | 1996-03-19 | 320.85 |
| 14 | 2450482 | 1997-02-02 | 321.14 |
| 15 | 2450802 | 1997-12-19 | 321.15 |
| 16 | 2451128 | 1998-11-10 | 321.25 |
| 17 | 2451442 | 1999-09-20 | 321.65 |
| 18 | 2451764 | 2000-08-07 | 322.14 |
| 19 | 2452090 | 2001-06-29 | 322.52 |
| 20 | 2452405 | 2002-05-10 | 323.15 |
| 21 | 2452732 | 2003-04-02 | 323.25 |
| 22 | 2453059 | 2004-02-23 | 323.69 |
| 23 | 2453389 | 2005-01-18 | 323.46 |
| 24 | 2453705 | 2005-11-30 | 323.42 |
| 25 | 2454035 | 2006-10-26 | 323.76 |
| 26 | 2454350 | 2007-09-06 | 324.33 |
| 27 | 2454676 | 2008-07-28 | 324.41 |
| 28 | 2454994 | 2009-06-11 | 324.95 |
| 29 | 2455322 | 2010-05-05 | 325.51 |
| 30 | 2455651 | 2011-03-30 | 325.47 |
| 31 | 2455990 | 2012-03-03 | 325.37 |
| 32 | 2456304 | 2013-01-11 | 324.74 |
| 33 | 2456636 | 2013-12-09 | 323.92 |
| 34 | 2456956 | 2014-10-25 | 322.6 |
| 35 | 2457277 | 2015-09-11 | 321.18 |
| 36 | 2457594 | 2016-07-24 | 320.24 |
| 37 | 2457916 | 2017-06-11 | 320.07 |
| 38 | 2458234 | 2018-04-25 | 319.69 |
| 39 | 2458553 | 2019-03-10 | 319.7 |
| 40 | 2458869 | 2020-01-20 | 319.73 |
| 41 | 2459194 | 2020-12-10 | 319.94 |
| 42 | 2459513 | 2021-10-25 | 319.96 |
| 43 | 2459836 | 2022-09-13 | 320.43 |
| 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. |