| E | O (JD) | O (dat) | Period |
| -106 | 2413490 | 1895-10-23 | 306.37 |
| -105 | 2413817 | 1896-09-14 | 303.69 |
| -104 | 2414107 | 1897-07-01 | 301.11 |
| -103 | 2414417 | 1898-05-07 | 305.12 |
| -101 | 2415030 | 1900-01-10 | 303.61 |
| -100 | 2415315 | 1900-10-22 | 300.85 |
| -99 | 2415619 | 1901-08-22 | 300.45 |
| -98 | 2415946 | 1902-07-15 | 299.16 |
| -95 | 2416826 | 1904-12-11 | 298.89 |
| -94 | 2417115 | 1905-09-26 | 299.34 |
| -93 | 2417418 | 1906-07-26 | 297.95 |
| -92 | 2417713 | 1907-05-17 | 297.62 |
| -91 | 2418012 | 1908-03-11 | 298.79 |
| -90 | 2418310 | 1909-01-03 | 298.94 |
| -89 | 2418618 | 1909-11-07 | 298.13 |
| -88 | 2418916 | 1910-09-01 | 297.62 |
| -87 | 2419208 | 1911-06-20 | 298.37 |
| -86 | 2419510 | 1912-04-17 | 298.76 |
| -84 | 2420093 | 1913-11-21 | 298.26 |
| -83 | 2420394 | 1914-09-18 | 298.5 |
| -82 | 2420702 | 1915-07-23 | 298.74 |
| -81 | 2421006 | 1916-05-22 | 297.67 |
| -80 | 2421300 | 1917-03-12 | 297.22 |
| -79 | 2421600 | 1918-01-06 | 296 |
| -78 | 2421898 | 1918-10-31 | 293.14 |
| -77 | 2422170 | 1919-07-30 | 292.28 |
| -76 | 2422478 | 1920-06-02 | 292 |
| -75 | 2422762 | 1921-03-13 | 291.58 |
| -74 | 2423050 | 1921-12-26 | 292.72 |
| -73 | 2423348 | 1922-10-20 | 293.57 |
| -72 | 2423640 | 1923-08-08 | 293.99 |
| -71 | 2423940 | 1924-06-03 | 294.14 |
| -70 | 2424226 | 1925-03-16 | 294.15 |
| -69 | 2424532 | 1926-01-16 | 295.29 |
| -68 | 2424824 | 1926-11-04 | 294.99 |
| -67 | 2425106 | 1927-08-13 | 295.07 |
| -66 | 2425410 | 1928-06-12 | 295.14 |
| -65 | 2425712 | 1929-04-10 | 294.94 |
| -64 | 2425998 | 1930-01-21 | 296.64 |
| -63 | 2426299 | 1930-11-18 | 296.57 |
| -62 | 2426591 | 1931-09-06 | 295.57 |
| -61 | 2426894 | 1932-07-05 | 296.36 |
| -60 | 2427189 | 1933-04-26 | 296.51 |
| -59 | 2427479 | 1934-02-10 | 296.43 |
| -58 | 2427781 | 1934-12-09 | 297.07 |
| -57 | 2428078 | 1935-10-02 | 298.35 |
| -56 | 2428370 | 1936-07-20 | 299.72 |
| -55 | 2428670 | 1937-05-16 | 300.22 |
| -54 | 2428974 | 1938-03-16 | 300.43 |
| -53 | 2429286 | 1939-01-22 | 298.78 |
| -52 | 2429578 | 1939-11-10 | 296.64 |
| -51 | 2429885 | 1940-09-12 | 297.14 |
| -50 | 2430180 | 1941-07-04 | 299.01 |
| -49 | 2430451 | 1942-04-01 | 299.86 |
| -48 | 2430742 | 1943-01-17 | 299.85 |
| -47 | 2431062 | 1943-12-03 | 300.35 |
| -46 | 2431384 | 1944-10-20 | 302.29 |
| -45 | 2431678 | 1945-08-10 | 304.22 |
| -44 | 2431983 | 1946-06-11 | 304.14 |
| -43 | 2432287 | 1947-04-11 | 302.28 |
| -42 | 2432576 | 1948-01-25 | 301.49 |
| -41 | 2432876 | 1948-11-20 | 301.64 |
| -40 | 2433186 | 1949-09-26 | 300.58 |
| -39 | 2433492 | 1950-07-29 | 300.72 |
| -38 | 2433791 | 1951-05-24 | 301.42 |
| -37 | 2434093 | 1952-03-21 | 300.57 |
| -36 | 2434385 | 1953-01-07 | 299.64 |
| -35 | 2434688 | 1953-11-06 | 299.01 |
| -34 | 2434984 | 1954-08-29 | 298.07 |
| -33 | 2435286 | 1955-06-27 | 298.35 |
| -32 | 2435587 | 1956-04-23 | 298.99 |
| -31 | 2435882 | 1957-02-12 | 298.29 |
| -30 | 2436175 | 1957-12-02 | 297.65 |
| -29 | 2436480 | 1958-10-03 | 297.14 |
| -28 | 2436779 | 1959-07-29 | 297.21 |
| -27 | 2437069 | 1960-05-14 | 299.28 |
| -26 | 2437368 | 1961-03-09 | 300.14 |
| -25 | 2437665 | 1961-12-31 | 298.79 |
| -24 | 2437965 | 1962-10-27 | 299 |
| -23 | 2438282 | 1963-09-09 | 299.57 |
| -22 | 2438575 | 1964-06-28 | 299.85 |
| -21 | 2438867 | 1965-04-16 | 299.57 |
| -20 | 2439167 | 1966-02-10 | 297.29 |
| -19 | 2439464 | 1966-12-04 | 295.5 |
| -18 | 2439767 | 1967-10-03 | 295.71 |
| -17 | 2440057 | 1968-07-19 | 295.35 |
| -16 | 2440352 | 1969-05-10 | 295.07 |
| -15 | 2440642 | 1970-02-24 | 295.44 |
| -14 | 2440940 | 1970-12-19 | 295.79 |
| -13 | 2441229 | 1971-10-04 | 296.21 |
| -12 | 2441533 | 1972-08-03 | 296.85 |
| -11 | 2441834 | 1973-05-31 | 297.29 |
| -10 | 2442131 | 1974-03-24 | 297.94 |
| -9 | 2442425 | 1975-01-12 | 297.93 |
| -8 | 2442725 | 1975-11-08 | 296.78 |
| -7 | 2443019 | 1976-08-28 | 296.85 |
| -6 | 2443321 | 1977-06-26 | 298.07 |
| -5 | 2443612 | 1978-04-13 | 298.37 |
| -4 | 2443910 | 1979-02-05 | 297.64 |
| -3 | 2444211 | 1979-12-03 | 297.28 |
| -2 | 2444518 | 1980-10-05 | 297.71 |
| -1 | 2444809 | 1981-07-23 | 298.57 |
| 0 | 2445102 | 1982-05-12 | 299.15 |
| 1 | 2445400 | 1983-03-06 | 299.22 |
| 2 | 2445701 | 1984-01-01 | 299.14 |
| 3 | 2446001 | 1984-10-27 | 299.85 |
| 4 | 2446308 | 1985-08-30 | 299.72 |
| 5 | 2446610 | 1986-06-28 | 299.08 |
| 6 | 2446905 | 1987-04-19 | 299.5 |
| 7 | 2447204 | 1988-02-12 | 298.42 |
| 8 | 2447494 | 1988-11-28 | 296.99 |
| 9 | 2447794 | 1989-09-24 | 297.07 |
| 10 | 2448101 | 1990-07-28 | 295.65 |
| 11 | 2448386 | 1991-05-09 | 295.72 |
| 12 | 2448690 | 1992-03-08 | 296.14 |
| 13 | 2448984 | 1992-12-27 | 293.85 |
| 14 | 2449264 | 1993-10-03 | 293.57 |
| 15 | 2449574 | 1994-08-09 | 293.79 |
| 16 | 2449860 | 1995-05-22 | 293.14 |
| 17 | 2450149 | 1996-03-06 | 294.35 |
| 18 | 2450448 | 1996-12-30 | 294.71 |
| 19 | 2450741 | 1997-10-19 | 294.36 |
| 20 | 2451037 | 1998-08-11 | 295.65 |
| 21 | 2451332 | 1999-06-02 | 296.93 |
| 22 | 2451632 | 2000-03-28 | 297.35 |
| 23 | 2451923 | 2001-01-13 | 297.42 |
| 24 | 2452225 | 2001-11-11 | 297.72 |
| 25 | 2452529 | 2002-09-11 | 298.29 |
| 26 | 2452823 | 2003-07-02 | 299 |
| 27 | 2453119 | 2004-04-23 | 299.35 |
| 28 | 2453418 | 2005-02-16 | 299.21 |
| 29 | 2453722 | 2005-12-17 | 300.22 |
| 30 | 2454019 | 2006-10-10 | 301.01 |
| 31 | 2454320 | 2007-08-07 | 300.07 |
| 32 | 2454623 | 2008-06-05 | 299.85 |
| 33 | 2454932 | 2009-04-10 | 300.07 |
| 34 | 2455224 | 2010-01-27 | 299.43 |
| 35 | 2455514 | 2010-11-13 | 298.79 |
| 36 | 2455824 | 2011-09-19 | 297.86 |
| 37 | 2456118 | 2012-07-09 | 297.42 |
| 38 | 2456413 | 2013-04-30 | 297.49 |
| 39 | 2456713 | 2014-02-24 | 296 |
| 40 | 2457012 | 2014-12-20 | 294.79 |
| 41 | 2457308 | 2015-10-12 | 295.14 |
| 42 | 2457595 | 2016-07-25 | 293.85 |
| 43 | 2457887 | 2017-05-13 | 291.99 |
| 44 | 2458182 | 2018-03-04 | 291.5 |
| 45 | 2458481 | 2018-12-28 | 292.65 |
| 46 | 2458759 | 2019-10-02 | 293.68 |
| 47 | 2459054 | 2020-07-23 | 292.65 |
| 48 | 2459347 | 2021-05-12 | 290.58 |
| 49 | 2459653 | 2022-03-14 | 288.9 |
| 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. |