| E | O (JD) | O (dat) | Period |
| -121 | 2411220 | 1889-08-05 | 256.32 |
| -120 | 2411470 | 1890-04-12 | 255.92 |
| -113 | 2413260 | 1895-03-07 | 255.93 |
| -111 | 2413780 | 1896-08-08 | 255.74 |
| -110 | 2414045 | 1897-04-30 | 255.67 |
| -108 | 2414545 | 1898-09-12 | 255.42 |
| -107 | 2414792 | 1899-05-17 | 255.28 |
| -106 | 2415057 | 1900-02-06 | 255.19 |
| -104 | 2415561 | 1901-06-25 | 254.99 |
| -103 | 2415819 | 1902-03-10 | 255.07 |
| -101 | 2416320 | 1903-07-24 | 255.94 |
| -100 | 2416580 | 1904-04-09 | 255.31 |
| -97 | 2417360 | 1906-05-29 | 255.51 |
| -95 | 2417862 | 1907-10-13 | 255.44 |
| -94 | 2418117 | 1908-06-24 | 255.75 |
| -93 | 2418390 | 1909-03-24 | 255.05 |
| -91 | 2418860 | 1910-07-07 | 255.07 |
| -90 | 2419150 | 1911-04-23 | 254.63 |
| -84 | 2420666 | 1915-06-17 | 254.36 |
| -83 | 2420940 | 1916-03-17 | 253.9 |
| -81 | 2421410 | 1917-06-30 | 253.34 |
| -80 | 2421700 | 1918-04-16 | 253.21 |
| -78 | 2422189 | 1919-08-18 | 251.57 |
| -77 | 2422432 | 1920-04-17 | 250.89 |
| -75 | 2422937 | 1921-09-04 | 250.48 |
| -74 | 2423184 | 1922-05-09 | 251.26 |
| -73 | 2423433 | 1923-01-13 | 250.58 |
| -72 | 2423681 | 1923-09-18 | 251.75 |
| -71 | 2423944 | 1924-06-07 | 252.85 |
| -70 | 2424192 | 1925-02-10 | 253.15 |
| -69 | 2424450 | 1925-10-26 | 253.34 |
| -68 | 2424702 | 1926-07-05 | 254.06 |
| -67 | 2424953 | 1927-03-13 | 254.41 |
| -66 | 2425216 | 1927-12-01 | 253.93 |
| -65 | 2425459 | 1928-07-31 | 254.34 |
| -64 | 2425710 | 1929-04-08 | 254.55 |
| -63 | 2425980 | 1930-01-03 | 254.56 |
| -62 | 2426232 | 1930-09-12 | 254.89 |
| -61 | 2426476 | 1931-05-14 | 255.15 |
| -60 | 2426739 | 1932-02-01 | 255.69 |
| -59 | 2426996 | 1932-10-15 | 255.85 |
| -58 | 2427243 | 1933-06-19 | 255.89 |
| -57 | 2427506 | 1934-03-09 | 255.96 |
| -56 | 2427764 | 1934-11-22 | 256.2 |
| -55 | 2428017 | 1935-08-02 | 256.45 |
| -54 | 2428277 | 1936-04-18 | 256.69 |
| -53 | 2428537 | 1937-01-03 | 257.13 |
| -52 | 2428779 | 1937-09-02 | 256.68 |
| -51 | 2429040 | 1938-05-21 | 256.71 |
| -50 | 2429309 | 1939-02-14 | 256.24 |
| -49 | 2429560 | 1939-10-23 | 255.71 |
| -48 | 2429820 | 1940-07-09 | 255.75 |
| -47 | 2430069 | 1941-03-15 | 256.18 |
| -46 | 2430329 | 1941-11-30 | 255.85 |
| -45 | 2430573 | 1942-08-01 | 255.45 |
| -44 | 2430830 | 1943-04-15 | 255.98 |
| -43 | 2431093 | 1944-01-03 | 256.55 |
| -42 | 2431353 | 1944-09-19 | 257.39 |
| -41 | 2431609 | 1945-06-02 | 258.11 |
| -40 | 2431860 | 1946-02-08 | 258.67 |
| -39 | 2432122 | 1946-10-28 | 259.15 |
| -38 | 2432384 | 1947-07-17 | 259.67 |
| -37 | 2432643 | 1948-04-01 | 260.79 |
| -36 | 2432906 | 1948-12-20 | 262 |
| -35 | 2433158 | 1949-08-29 | 263.09 |
| -34 | 2433429 | 1950-05-27 | 263.89 |
| -33 | 2433693 | 1951-02-15 | 264.25 |
| -32 | 2433963 | 1951-11-12 | 263.75 |
| -31 | 2434227 | 1952-08-02 | 262.35 |
| -30 | 2434492 | 1953-04-24 | 260.98 |
| -29 | 2434761 | 1954-01-18 | 259.4 |
| -28 | 2435017 | 1954-10-01 | 257.75 |
| -27 | 2435263 | 1955-06-04 | 255.96 |
| -26 | 2435508 | 1956-02-04 | 254.53 |
| -25 | 2435766 | 1956-10-19 | 253.34 |
| -24 | 2436031 | 1957-07-11 | 252.65 |
| -23 | 2436279 | 1958-03-16 | 252.64 |
| -22 | 2436529 | 1958-11-21 | 253.08 |
| -21 | 2436780 | 1959-07-30 | 252.96 |
| -20 | 2437032 | 1960-04-07 | 252.66 |
| -19 | 2437286 | 1960-12-17 | 252.23 |
| -18 | 2437537 | 1961-08-25 | 252.42 |
| -17 | 2437795 | 1962-05-10 | 252.02 |
| -16 | 2438043 | 1963-01-13 | 251.55 |
| -15 | 2438301 | 1963-09-28 | 251 |
| -14 | 2438547 | 1964-05-31 | 250.9 |
| -13 | 2438799 | 1965-02-07 | 250.69 |
| -12 | 2439042 | 1965-10-08 | 250.18 |
| -11 | 2439293 | 1966-06-16 | 250.67 |
| -10 | 2439543 | 1967-02-21 | 251.15 |
| -9 | 2439803 | 1967-11-08 | 252.11 |
| -8 | 2440050 | 1968-07-12 | 254 |
| -7 | 2440295 | 1969-03-14 | 255.17 |
| -6 | 2440559 | 1969-12-03 | 255.91 |
| -5 | 2440814 | 1970-08-15 | 256.84 |
| -4 | 2441069 | 1971-04-27 | 258.42 |
| -3 | 2441348 | 1972-01-31 | 258.9 |
| -2 | 2441590 | 1972-09-29 | 258.5 |
| -1 | 2441847 | 1973-06-13 | 257.83 |
| 0 | 2442111 | 1974-03-04 | 256.93 |
| 1 | 2442389 | 1974-12-07 | 256.11 |
| 2 | 2442622 | 1975-07-28 | 254.87 |
| 3 | 2442870 | 1976-04-01 | 255.48 |
| 4 | 2443134 | 1976-12-21 | 254.82 |
| 5 | 2443380 | 1977-08-24 | 254 |
| 6 | 2443640 | 1978-05-11 | 254.05 |
| 7 | 2443890 | 1979-01-16 | 255.15 |
| 8 | 2444160 | 1979-10-13 | 255.32 |
| 9 | 2444404 | 1980-06-13 | 255.11 |
| 10 | 2444655 | 1981-02-19 | 255.61 |
| 11 | 2444919 | 1981-11-10 | 255.59 |
| 12 | 2445170 | 1982-07-19 | 255.51 |
| 13 | 2445426 | 1983-04-01 | 254.45 |
| 14 | 2445681 | 1983-12-12 | 255.25 |
| 15 | 2445942 | 1984-08-29 | 256.23 |
| 16 | 2446197 | 1985-05-11 | 257.3 |
| 17 | 2446447 | 1986-01-16 | 257.48 |
| 18 | 2446687 | 1986-09-13 | 258.3 |
| 19 | 2446963 | 1987-06-16 | 258.39 |
| 20 | 2447235 | 1988-03-14 | 259.07 |
| 21 | 2447502 | 1988-12-06 | 258.87 |
| 22 | 2447735 | 1989-07-27 | 259.18 |
| 23 | 2448011 | 1990-04-29 | 258.23 |
| 24 | 2448256 | 1990-12-30 | 257.01 |
| 25 | 2448529 | 1991-09-29 | 256.2 |
| 26 | 2448766 | 1992-05-23 | 255.86 |
| 27 | 2449036 | 1993-02-17 | 255.78 |
| 28 | 2449276 | 1993-10-15 | 255.32 |
| 29 | 2449548 | 1994-07-14 | 255.43 |
| 30 | 2449798 | 1995-03-21 | 254.95 |
| 31 | 2450049 | 1995-11-27 | 254.73 |
| 32 | 2450297 | 1996-08-01 | 252.92 |
| 33 | 2450568 | 1997-04-29 | 252.5 |
| 34 | 2450816 | 1998-01-02 | 252.08 |
| 35 | 2451070 | 1998-09-13 | 251.57 |
| 36 | 2451311 | 1999-05-12 | 252.05 |
| 37 | 2451548 | 2000-01-04 | 251.97 |
| 38 | 2451811 | 2000-09-23 | 251.85 |
| 39 | 2452078 | 2001-06-17 | 252.34 |
| 40 | 2452310 | 2002-02-04 | 252.65 |
| 41 | 2452584 | 2002-11-05 | 253.3 |
| 42 | 2452828 | 2003-07-07 | 251.98 |
| 43 | 2453085 | 2004-03-20 | 250.79 |
| 44 | 2453331 | 2004-11-21 | 250.41 |
| 45 | 2453582 | 2005-07-30 | 251.55 |
| 46 | 2453838 | 2006-04-12 | 251.63 |
| 47 | 2454059 | 2006-11-19 | 254 |
| 48 | 2454327 | 2007-08-14 | 255.29 |
| 49 | 2454585 | 2008-04-28 | 255.75 |
| 50 | 2454853 | 2009-01-21 | 256.23 |
| 51 | 2455106 | 2009-10-01 | 256.89 |
| 52 | 2455387 | 2010-07-09 | 257.78 |
| 53 | 2455631 | 2011-03-10 | 256.65 |
| 54 | 2455865 | 2011-10-30 | 256.17 |
| 55 | 2456126 | 2012-07-17 | 256.06 |
| 56 | 2456388 | 2013-04-05 | 256.3 |
| 57 | 2456647 | 2013-12-20 | 255.51 |
| 58 | 2456899 | 2014-08-29 | 255.94 |
| 59 | 2457160 | 2015-05-17 | 256.19 |
| 60 | 2457425 | 2016-02-06 | 255.13 |
| 61 | 2457679 | 2016-10-17 | 254.75 |
| 62 | 2457918 | 2017-06-13 | 255.09 |
| 63 | 2458170 | 2018-02-20 | 255.72 |
| 64 | 2458430 | 2018-11-07 | 256.02 |
| 65 | 2458680 | 2019-07-15 | 256.19 |
| 66 | 2458945 | 2020-04-05 | 257.25 |
| 67 | 2459210 | 2020-12-26 | 258.98 |
| 68 | 2459470 | 2021-09-12 | 259.82 |
| 69 | 2459725 | 2022-05-25 | 260.29 |
| 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. |