| E | O (JD) | O (dat) | Period |
| -103 | 2413336 | 1895-05-22 | 303.3 |
| -100 | 2414271 | 1897-12-12 | 302.41 |
| -99 | 2414568 | 1898-10-05 | 302.22 |
| -98 | 2414862 | 1899-07-26 | 302.72 |
| -97 | 2415165 | 1900-05-25 | 301.9 |
| -94 | 2416072 | 1902-11-18 | 301.43 |
| -93 | 2416367 | 1903-09-09 | 300.95 |
| -92 | 2416673 | 1904-07-11 | 301.85 |
| -91 | 2416990 | 1905-05-24 | 302.64 |
| -90 | 2417260 | 1906-02-18 | 303.87 |
| -89 | 2417563 | 1906-12-18 | 304.7 |
| -88 | 2417892 | 1907-11-12 | 304.57 |
| -87 | 2418197 | 1908-09-12 | 304.09 |
| -86 | 2418499 | 1909-07-11 | 303.77 |
| -85 | 2418820 | 1910-05-28 | 304.8 |
| -83 | 2419413 | 1912-01-11 | 303.75 |
| -82 | 2419705 | 1912-10-29 | 302.73 |
| -81 | 2420007 | 1913-08-27 | 302.5 |
| -80 | 2420310 | 1914-06-26 | 302.5 |
| -78 | 2420935 | 1916-03-12 | 302.42 |
| -77 | 2421223 | 1916-12-25 | 304.05 |
| -76 | 2421529 | 1917-10-27 | 304.14 |
| -75 | 2421829 | 1918-08-23 | 303.71 |
| -74 | 2422136 | 1919-06-26 | 303.44 |
| -73 | 2422439 | 1920-04-24 | 302.92 |
| -72 | 2422762 | 1921-03-13 | 303.16 |
| -71 | 2423042 | 1921-12-18 | 302.77 |
| -70 | 2423344 | 1922-10-16 | 303.04 |
| -69 | 2423654 | 1923-08-22 | 302.55 |
| -68 | 2423955 | 1924-06-18 | 301.96 |
| -67 | 2424253 | 1925-04-12 | 301.42 |
| -66 | 2424557 | 1926-02-10 | 302.56 |
| -65 | 2424871 | 1926-12-21 | 302.23 |
| -64 | 2425163 | 1927-10-09 | 301.35 |
| -63 | 2425459 | 1928-07-31 | 301.27 |
| -62 | 2425761 | 1929-05-29 | 301.39 |
| -61 | 2426075 | 1930-04-08 | 301.17 |
| -60 | 2426369 | 1931-01-27 | 301.44 |
| -59 | 2426660 | 1931-11-14 | 301.81 |
| -58 | 2426969 | 1932-09-18 | 301.89 |
| -57 | 2427275 | 1933-07-21 | 301.75 |
| -56 | 2427574 | 1934-05-16 | 301.59 |
| -55 | 2427884 | 1935-03-22 | 302.67 |
| -54 | 2428175 | 1936-01-07 | 303.25 |
| -53 | 2428479 | 1936-11-06 | 303.11 |
| -52 | 2428782 | 1937-09-05 | 302.54 |
| -51 | 2429084 | 1938-07-04 | 302.02 |
| -50 | 2429399 | 1939-05-15 | 301.88 |
| -49 | 2429700 | 1940-03-11 | 302.06 |
| -48 | 2430001 | 1941-01-06 | 301.62 |
| -47 | 2430289 | 1941-10-21 | 301.35 |
| -46 | 2430587 | 1942-08-15 | 301.08 |
| -45 | 2430899 | 1943-06-23 | 300.58 |
| -44 | 2431199 | 1944-04-18 | 300.7 |
| -43 | 2431499 | 1945-02-12 | 301 |
| -42 | 2431803 | 1945-12-13 | 301.24 |
| -41 | 2432104 | 1946-10-10 | 301.09 |
| -40 | 2432401 | 1947-08-03 | 300.85 |
| -39 | 2432700 | 1948-05-28 | 301.24 |
| -38 | 2433003 | 1949-03-27 | 301.65 |
| -37 | 2433301 | 1950-01-19 | 302.16 |
| -36 | 2433607 | 1950-11-21 | 302.56 |
| -35 | 2433911 | 1951-09-21 | 302.97 |
| -34 | 2434215 | 1952-07-21 | 303.43 |
| -33 | 2434519 | 1953-05-21 | 304.02 |
| -32 | 2434825 | 1954-03-23 | 304.45 |
| -31 | 2435123 | 1955-01-15 | 304.4 |
| -30 | 2435426 | 1955-11-14 | 304.2 |
| -29 | 2435735 | 1956-09-18 | 303.62 |
| -28 | 2436046 | 1957-07-26 | 303.19 |
| -27 | 2436348 | 1958-05-24 | 302.91 |
| -26 | 2436649 | 1959-03-21 | 302.69 |
| -25 | 2436948 | 1960-01-14 | 301.87 |
| -24 | 2437243 | 1960-11-04 | 301.12 |
| -23 | 2437548 | 1961-09-05 | 300.71 |
| -22 | 2437853 | 1962-07-07 | 300.77 |
| -21 | 2438154 | 1963-05-04 | 301.09 |
| -20 | 2438449 | 1964-02-23 | 301.31 |
| -19 | 2438752 | 1964-12-22 | 301.61 |
| -18 | 2439054 | 1965-10-20 | 302.26 |
| -17 | 2439355 | 1966-08-17 | 302.39 |
| -16 | 2439660 | 1967-06-18 | 302.99 |
| -15 | 2439959 | 1968-04-12 | 303.67 |
| -14 | 2440264 | 1969-02-11 | 303.52 |
| -13 | 2440581 | 1969-12-25 | 303.29 |
| -12 | 2440871 | 1970-10-11 | 303.82 |
| -11 | 2441180 | 1971-08-16 | 304.06 |
| -10 | 2441486 | 1972-06-17 | 303.92 |
| -9 | 2441780 | 1973-04-07 | 303.46 |
| -8 | 2442081 | 1974-02-02 | 303.14 |
| -7 | 2442401 | 1974-12-19 | 303.41 |
| -6 | 2442703 | 1975-10-17 | 302.73 |
| -5 | 2442998 | 1976-08-07 | 302.25 |
| -4 | 2443300 | 1977-06-05 | 301.82 |
| -3 | 2443605 | 1978-04-06 | 301.02 |
| -2 | 2443906 | 1979-02-01 | 300.85 |
| -1 | 2444202 | 1979-11-24 | 300.96 |
| 0 | 2444502 | 1980-09-19 | 301.39 |
| 1 | 2444800 | 1981-07-14 | 301.71 |
| 2 | 2445102 | 1982-05-12 | 302.43 |
| 3 | 2445419 | 1983-03-25 | 303.04 |
| 4 | 2445709 | 1984-01-09 | 303.65 |
| 5 | 2446015 | 1984-11-10 | 304.07 |
| 6 | 2446321 | 1985-09-12 | 304.1 |
| 7 | 2446632 | 1986-07-20 | 303.36 |
| 8 | 2446930 | 1987-05-14 | 302.85 |
| 9 | 2447234 | 1988-03-13 | 303.24 |
| 10 | 2447540 | 1989-01-13 | 302.67 |
| 11 | 2447839 | 1989-11-08 | 303.11 |
| 12 | 2448132 | 1990-08-28 | 303.49 |
| 13 | 2448441 | 1991-07-03 | 304.13 |
| 14 | 2448748 | 1992-05-05 | 304.16 |
| 15 | 2449045 | 1993-02-26 | 304.39 |
| 16 | 2449367 | 1994-01-14 | 304.94 |
| 17 | 2449669 | 1994-11-12 | 305.26 |
| 18 | 2449971 | 1995-09-10 | 305.35 |
| 19 | 2450268 | 1996-07-03 | 305.49 |
| 20 | 2450575 | 1997-05-06 | 305.84 |
| 21 | 2450883 | 1998-03-10 | 305.92 |
| 22 | 2451188 | 1999-01-09 | 307.06 |
| 23 | 2451501 | 1999-11-18 | 307.04 |
| 24 | 2451805 | 2000-09-17 | 307.3 |
| 25 | 2452114 | 2001-07-23 | 307.19 |
| 26 | 2452425 | 2002-05-30 | 306.92 |
| 27 | 2452738 | 2003-04-08 | 306.88 |
| 28 | 2453024 | 2004-01-19 | 306.57 |
| 29 | 2453339 | 2004-11-29 | 306.25 |
| 30 | 2453648 | 2005-10-04 | 305.65 |
| 31 | 2453952 | 2006-08-04 | 304.9 |
| 32 | 2454263 | 2007-06-11 | 303.99 |
| 33 | 2454567 | 2008-04-10 | 304 |
| 34 | 2454867 | 2009-02-04 | 302.87 |
| 35 | 2455169 | 2009-12-03 | 302.12 |
| 36 | 2455468 | 2010-09-28 | 302 |
| 37 | 2455762 | 2011-07-19 | 301.87 |
| 38 | 2456074 | 2012-05-26 | 302.18 |
| 39 | 2456373 | 2013-03-21 | 302.57 |
| 40 | 2456673 | 2014-01-15 | 303.12 |
| 41 | 2456983 | 2014-11-21 | 303.17 |
| 42 | 2457285 | 2015-09-19 | 302.97 |
| 43 | 2457588 | 2016-07-18 | 302.28 |
| 44 | 2457890 | 2017-05-16 | 302.2 |
| 45 | 2458198 | 2018-03-20 | 302.13 |
| 46 | 2458491 | 2019-01-07 | 301.7 |
| 47 | 2458791 | 2019-11-03 | 301.6 |
| 48 | 2459092 | 2020-08-30 | 301.45 |
| 49 | 2459397 | 2021-07-01 | 301.36 |
| 50 | 2459703 | 2022-05-03 | 301.26 |
| 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. |