| E | O (JD) | O (dat) | Period |
| -104 | 2417401 | 1906-07-09 | 258.52 |
| -103 | 2417659 | 1907-03-24 | 258.16 |
| -102 | 2417917 | 1907-12-07 | 258 |
| -101 | 2418184 | 1908-08-30 | 257.76 |
| -99 | 2418688 | 1910-01-16 | 257.86 |
| -98 | 2418955 | 1910-10-10 | 257.62 |
| -97 | 2419207 | 1911-06-19 | 257.26 |
| -96 | 2419465 | 1912-03-03 | 256.66 |
| -95 | 2419720 | 1912-11-13 | 256.24 |
| -94 | 2419983 | 1913-08-03 | 256.74 |
| -93 | 2420233 | 1914-04-10 | 256.86 |
| -91 | 2420747 | 1915-09-06 | 256.95 |
| -90 | 2420997 | 1916-05-13 | 257.06 |
| -89 | 2421257 | 1917-01-28 | 257.14 |
| -88 | 2421525 | 1917-10-23 | 257.53 |
| -87 | 2421784 | 1918-07-09 | 258.38 |
| -86 | 2422031 | 1919-03-13 | 258.64 |
| -85 | 2422293 | 1919-11-30 | 258.55 |
| -84 | 2422548 | 1920-08-11 | 257.84 |
| -83 | 2422815 | 1921-05-05 | 257.45 |
| -82 | 2423076 | 1922-01-21 | 257.77 |
| -81 | 2423328 | 1922-09-30 | 257.63 |
| -80 | 2423582 | 1923-06-11 | 256.53 |
| -79 | 2423835 | 1924-02-19 | 256.11 |
| -78 | 2424098 | 1924-11-08 | 256.05 |
| -77 | 2424360 | 1925-07-28 | 257.36 |
| -76 | 2424606 | 1926-03-31 | 258.07 |
| -75 | 2424853 | 1926-12-03 | 258.49 |
| -74 | 2425118 | 1927-08-25 | 258 |
| -73 | 2425385 | 1928-05-18 | 257.61 |
| -72 | 2425662 | 1929-02-19 | 258.18 |
| -71 | 2425905 | 1929-10-20 | 258.72 |
| -70 | 2426162 | 1930-07-04 | 258.97 |
| -69 | 2426404 | 1931-03-03 | 258.01 |
| -68 | 2426667 | 1931-11-21 | 257.67 |
| -67 | 2426939 | 1932-08-19 | 257.34 |
| -66 | 2427192 | 1933-04-29 | 258.15 |
| -65 | 2427457 | 1934-01-19 | 258.65 |
| -64 | 2427704 | 1934-09-23 | 258.81 |
| -63 | 2427970 | 1935-06-16 | 258.25 |
| -62 | 2428220 | 1936-02-21 | 258.24 |
| -61 | 2428480 | 1936-11-07 | 258.44 |
| -60 | 2428745 | 1937-07-30 | 258.47 |
| -59 | 2428997 | 1938-04-08 | 258.57 |
| -58 | 2429258 | 1938-12-25 | 258.92 |
| -57 | 2429525 | 1939-09-18 | 259.15 |
| -56 | 2429775 | 1940-05-25 | 258.96 |
| -55 | 2430035 | 1941-02-09 | 259.04 |
| -54 | 2430287 | 1941-10-19 | 259.61 |
| -53 | 2430562 | 1942-07-21 | 257.54 |
| -52 | 2430812 | 1943-03-28 | 255.76 |
| -51 | 2431071 | 1943-12-12 | 255.17 |
| -50 | 2431335 | 1944-09-01 | 254.01 |
| -49 | 2431599 | 1945-05-23 | 253.4 |
| -47 | 2432072 | 1946-09-08 | 252.55 |
| -46 | 2432322 | 1947-05-16 | 252.62 |
| -45 | 2432588 | 1948-02-06 | 252.47 |
| -44 | 2432834 | 1948-10-09 | 252.69 |
| -43 | 2433096 | 1949-06-28 | 253.69 |
| -42 | 2433349 | 1950-03-08 | 255.38 |
| -41 | 2433605 | 1950-11-19 | 255.5 |
| -40 | 2433858 | 1951-07-30 | 255.7 |
| -39 | 2434115 | 1952-04-12 | 256.45 |
| -38 | 2434373 | 1952-12-26 | 256.97 |
| -37 | 2434622 | 1953-09-01 | 257.75 |
| -36 | 2434883 | 1954-05-20 | 258.05 |
| -35 | 2435147 | 1955-02-08 | 258.27 |
| -34 | 2435405 | 1955-10-24 | 258.57 |
| -33 | 2435668 | 1956-07-13 | 258.47 |
| -32 | 2435926 | 1957-03-28 | 258.99 |
| -31 | 2436178 | 1957-12-05 | 258.97 |
| -30 | 2436435 | 1958-08-19 | 258.89 |
| -29 | 2436699 | 1959-05-10 | 258.81 |
| -28 | 2436950 | 1960-01-16 | 258.72 |
| -27 | 2437221 | 1960-10-13 | 258.79 |
| -26 | 2437480 | 1961-06-29 | 258.72 |
| -25 | 2437737 | 1962-03-13 | 258.56 |
| -24 | 2437991 | 1962-11-22 | 258.41 |
| -23 | 2438250 | 1963-08-08 | 258.28 |
| -22 | 2438507 | 1964-04-21 | 258.02 |
| -21 | 2438762 | 1965-01-01 | 258.45 |
| -20 | 2439025 | 1965-09-21 | 258.66 |
| -19 | 2439286 | 1966-06-09 | 259.09 |
| -18 | 2439540 | 1967-02-18 | 259.15 |
| -17 | 2439804 | 1967-11-09 | 259.17 |
| -16 | 2440065 | 1968-07-27 | 258.75 |
| -15 | 2440318 | 1969-04-06 | 257.93 |
| -14 | 2440582 | 1969-12-26 | 257.05 |
| -13 | 2440838 | 1970-09-08 | 256.59 |
| -12 | 2441096 | 1971-05-24 | 255.7 |
| -11 | 2441347 | 1972-01-30 | 255.45 |
| -10 | 2441600 | 1972-10-09 | 254.94 |
| -9 | 2441851 | 1973-06-17 | 254.49 |
| -8 | 2442112 | 1974-03-05 | 254.94 |
| -7 | 2442363 | 1974-11-11 | 255.33 |
| -6 | 2442625 | 1975-07-31 | 256.25 |
| -5 | 2442870 | 1976-04-01 | 256.71 |
| -4 | 2443129 | 1976-12-16 | 257 |
| -3 | 2443394 | 1977-09-07 | 257.25 |
| -2 | 2443648 | 1978-05-19 | 257.83 |
| -1 | 2443912 | 1979-02-07 | 258.14 |
| 0 | 2444164 | 1979-10-17 | 258.39 |
| 1 | 2444420 | 1980-06-29 | 257.98 |
| 2 | 2444682 | 1981-03-18 | 257.79 |
| 3 | 2444942 | 1981-12-03 | 258.12 |
| 4 | 2445201 | 1982-08-19 | 257.89 |
| 5 | 2445453 | 1983-04-28 | 258.23 |
| 6 | 2445710 | 1984-01-10 | 258.48 |
| 7 | 2445972 | 1984-09-28 | 258.64 |
| 8 | 2446234 | 1985-06-17 | 259.16 |
| 9 | 2446485 | 1986-02-23 | 259.3 |
| 10 | 2446748 | 1986-11-13 | 259.35 |
| 11 | 2447011 | 1987-08-03 | 259.11 |
| 12 | 2447271 | 1988-04-19 | 258.5 |
| 13 | 2447535 | 1989-01-08 | 257.88 |
| 14 | 2447785 | 1989-09-15 | 257.69 |
| 15 | 2448041 | 1990-05-29 | 257.33 |
| 16 | 2448300 | 1991-02-12 | 256.8 |
| 17 | 2448553 | 1991-10-23 | 256.5 |
| 18 | 2448807 | 1992-07-03 | 256.05 |
| 19 | 2449069 | 1993-03-22 | 256.27 |
| 20 | 2449331 | 1993-12-09 | 256.28 |
| 21 | 2449581 | 1994-08-16 | 256.52 |
| 22 | 2449837 | 1995-04-29 | 257.05 |
| 23 | 2450087 | 1996-01-04 | 257.25 |
| 24 | 2450348 | 1996-09-21 | 257.15 |
| 25 | 2450606 | 1997-06-06 | 257.02 |
| 26 | 2450868 | 1998-02-23 | 257.48 |
| 27 | 2451129 | 1998-11-11 | 257.84 |
| 28 | 2451384 | 1999-07-24 | 257.85 |
| 29 | 2451639 | 2000-04-04 | 257.67 |
| 30 | 2451890 | 2000-12-11 | 257.67 |
| 31 | 2452153 | 2001-08-31 | 257.52 |
| 32 | 2452415 | 2002-05-20 | 258.09 |
| 33 | 2452667 | 2003-01-27 | 258.73 |
| 34 | 2452929 | 2003-10-16 | 259.14 |
| 35 | 2453188 | 2004-07-01 | 259.21 |
| 36 | 2453443 | 2005-03-13 | 259 |
| 37 | 2453712 | 2005-12-07 | 259.3 |
| 38 | 2453969 | 2006-08-21 | 259.53 |
| 39 | 2454226 | 2007-05-05 | 259.25 |
| 40 | 2454481 | 2008-01-15 | 259.19 |
| 41 | 2454742 | 2008-10-02 | 258.8 |
| 42 | 2455008 | 2009-06-25 | 258.74 |
| 43 | 2455263 | 2010-03-07 | 258.95 |
| 44 | 2455519 | 2010-11-18 | 258.72 |
| 45 | 2455780 | 2011-08-06 | 258.56 |
| 46 | 2456032 | 2012-04-14 | 258.29 |
| 47 | 2456302 | 2013-01-09 | 258.14 |
| 48 | 2456557 | 2013-09-21 | 257.66 |
| 49 | 2456808 | 2014-05-30 | 257.07 |
| 50 | 2457069 | 2015-02-15 | 257 |
| 51 | 2457329 | 2015-11-02 | 256.6 |
| 52 | 2457588 | 2016-07-18 | 255.92 |
| 53 | 2457831 | 2017-03-18 | 255.76 |
| 54 | 2458087 | 2017-11-29 | 255.47 |
| 55 | 2458356 | 2018-08-25 | 255.03 |
| 56 | 2458603 | 2019-04-29 | 254.69 |
| 57 | 2458859 | 2020-01-10 | 254.7 |
| 58 | 2459112 | 2020-09-19 | 255.07 |
| 59 | 2459365 | 2021-05-30 | 254.5 |
| 60 | 2459622 | 2022-02-11 | 253.5 |
| 61 | 2459874 | 2022-10-21 | 254.2 |
| 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. |