| E | O (JD) | O (dat) | Period |
| -120 | 2412690 | 1893-08-14 | 231.88 |
| -119 | 2412920 | 1894-04-01 | 233.27 |
| -117 | 2413380 | 1895-07-05 | 234.72 |
| -116 | 2413620 | 1896-03-01 | 233.94 |
| -114 | 2414080 | 1897-06-04 | 233.28 |
| -111 | 2414791 | 1899-05-16 | 233.32 |
| -109 | 2415265 | 1900-09-02 | 233.56 |
| -108 | 2415489 | 1901-04-14 | 233.67 |
| -106 | 2415953 | 1902-07-22 | 232.56 |
| -105 | 2416180 | 1903-03-06 | 230.96 |
| -103 | 2416659 | 1904-06-27 | 230.92 |
| -100 | 2417350 | 1906-05-19 | 231.37 |
| -98 | 2417800 | 1907-08-12 | 231.69 |
| -97 | 2418030 | 1908-03-29 | 231.41 |
| -95 | 2418497 | 1909-07-09 | 230.59 |
| -92 | 2419192 | 1911-06-04 | 231 |
| -90 | 2419660 | 1912-09-14 | 231.96 |
| -89 | 2419890 | 1913-05-02 | 232.39 |
| -87 | 2420345 | 1914-07-31 | 232.54 |
| -86 | 2420580 | 1915-03-23 | 232.87 |
| -84 | 2421049 | 1916-07-04 | 232.96 |
| -82 | 2421520 | 1917-10-18 | 234.76 |
| -81 | 2421750 | 1918-06-05 | 235.75 |
| -79 | 2422225 | 1919-09-23 | 234.47 |
| -78 | 2422450 | 1920-05-05 | 234.36 |
| -77 | 2422715 | 1921-01-25 | 234.88 |
| -76 | 2422925 | 1921-08-23 | 235.33 |
| -75 | 2423159 | 1922-04-14 | 234.92 |
| -74 | 2423394 | 1922-12-05 | 232.64 |
| -73 | 2423634 | 1923-08-02 | 234.18 |
| -72 | 2423871 | 1924-03-26 | 236.75 |
| -71 | 2424093 | 1924-11-03 | 235.95 |
| -70 | 2424329 | 1925-06-27 | 234.75 |
| -66 | 2425292 | 1928-02-15 | 234.3 |
| -65 | 2425527 | 1928-10-07 | 235.55 |
| -64 | 2425745 | 1929-05-13 | 237.15 |
| -63 | 2425978 | 1930-01-01 | 236.53 |
| -62 | 2426213 | 1930-08-24 | 235.22 |
| -61 | 2426462 | 1931-04-30 | 236 |
| -60 | 2426703 | 1931-12-27 | 236.78 |
| -59 | 2426939 | 1932-08-19 | 236.75 |
| -58 | 2427173 | 1933-04-10 | 236.11 |
| -57 | 2427403 | 1933-11-26 | 235.44 |
| -56 | 2427635 | 1934-07-16 | 235.16 |
| -53 | 2428344 | 1936-06-24 | 234.83 |
| -52 | 2428581 | 1937-02-16 | 235.11 |
| -51 | 2428822 | 1937-10-15 | 235.78 |
| -50 | 2429053 | 1938-06-03 | 235.37 |
| -49 | 2429286 | 1939-01-22 | 235.14 |
| -48 | 2429522 | 1939-09-15 | 236.86 |
| -47 | 2429760 | 1940-05-10 | 237.87 |
| -46 | 2429985 | 1940-12-21 | 237.75 |
| -45 | 2430232 | 1941-08-25 | 237.75 |
| -44 | 2430487 | 1942-05-07 | 237.19 |
| -42 | 2430956 | 1943-08-19 | 237.7 |
| -41 | 2431187 | 1944-04-06 | 238.19 |
| -40 | 2431425 | 1944-11-30 | 236.87 |
| -39 | 2431652 | 1945-07-15 | 236 |
| -38 | 2431896 | 1946-03-16 | 236.51 |
| -37 | 2432132 | 1946-11-07 | 236.72 |
| -36 | 2432377 | 1947-07-10 | 236.57 |
| -35 | 2432606 | 1948-02-24 | 236.49 |
| -34 | 2432848 | 1948-10-23 | 235.64 |
| -33 | 2433078 | 1949-06-10 | 234.43 |
| -32 | 2433311 | 1950-01-29 | 234.36 |
| -31 | 2433548 | 1950-09-23 | 235.14 |
| -30 | 2433779 | 1951-05-12 | 234.99 |
| -29 | 2434012 | 1951-12-31 | 234.93 |
| -28 | 2434252 | 1952-08-27 | 235.51 |
| -27 | 2434494 | 1953-04-26 | 236.86 |
| -26 | 2434722 | 1953-12-10 | 237.64 |
| -25 | 2434956 | 1954-08-01 | 237.13 |
| -24 | 2435200 | 1955-04-02 | 236.21 |
| -23 | 2435443 | 1955-12-01 | 236.51 |
| -22 | 2435675 | 1956-07-20 | 237.51 |
| -21 | 2435909 | 1957-03-11 | 237.07 |
| -20 | 2436144 | 1957-11-01 | 235.85 |
| -19 | 2436383 | 1958-06-28 | 235.5 |
| -18 | 2436620 | 1959-02-20 | 235.36 |
| -17 | 2436855 | 1959-10-13 | 235.15 |
| -16 | 2437090 | 1960-06-04 | 234.71 |
| -15 | 2437325 | 1961-01-25 | 234.56 |
| -14 | 2437554 | 1961-09-11 | 235 |
| -13 | 2437791 | 1962-05-06 | 235.01 |
| -12 | 2438022 | 1962-12-23 | 235.36 |
| -11 | 2438265 | 1963-08-23 | 235.93 |
| -10 | 2438500 | 1964-04-14 | 234.63 |
| -9 | 2438735 | 1964-12-05 | 234.07 |
| -8 | 2438975 | 1965-08-02 | 234.15 |
| -7 | 2439207 | 1966-03-22 | 233.79 |
| -6 | 2439423 | 1966-10-24 | 234.21 |
| -5 | 2439667 | 1967-06-25 | 234.06 |
| -4 | 2439898 | 1968-02-11 | 233.93 |
| -3 | 2440140 | 1968-10-10 | 235.15 |
| -2 | 2440374 | 1969-06-01 | 235.29 |
| -1 | 2440613 | 1970-01-26 | 234.5 |
| 0 | 2440844 | 1970-09-14 | 234.13 |
| 1 | 2441078 | 1971-05-06 | 233.71 |
| 2 | 2441306 | 1971-12-20 | 233.65 |
| 3 | 2441542 | 1972-08-12 | 233.22 |
| 4 | 2441774 | 1973-04-01 | 232.28 |
| 5 | 2442012 | 1973-11-25 | 231.35 |
| 6 | 2442246 | 1974-07-17 | 231.43 |
| 7 | 2442476 | 1975-03-04 | 231.86 |
| 8 | 2442698 | 1975-10-12 | 231.93 |
| 9 | 2442925 | 1976-05-26 | 232 |
| 10 | 2443163 | 1977-01-19 | 231.85 |
| 11 | 2443399 | 1977-09-12 | 232.64 |
| 12 | 2443634 | 1978-05-05 | 234.22 |
| 13 | 2443872 | 1978-12-29 | 233.72 |
| 14 | 2444096 | 1979-08-10 | 232.93 |
| 15 | 2444335 | 1980-04-05 | 232.85 |
| 16 | 2444567 | 1980-11-23 | 232.28 |
| 17 | 2444793 | 1981-07-07 | 232.22 |
| 18 | 2445030 | 1982-03-01 | 232.58 |
| 19 | 2445263 | 1982-10-20 | 233.78 |
| 20 | 2445495 | 1983-06-09 | 235.92 |
| 21 | 2445724 | 1984-01-24 | 236.57 |
| 22 | 2445963 | 1984-09-19 | 236.22 |
| 23 | 2446212 | 1985-05-26 | 236.08 |
| 24 | 2446451 | 1986-01-20 | 235.78 |
| 25 | 2446684 | 1986-09-10 | 235.92 |
| 26 | 2446916 | 1987-04-30 | 235.78 |
| 27 | 2447147 | 1987-12-17 | 233.86 |
| 28 | 2447373 | 1988-07-30 | 232.43 |
| 29 | 2447617 | 1989-03-31 | 233.86 |
| 30 | 2447859 | 1989-11-28 | 234.63 |
| 31 | 2448078 | 1990-07-05 | 234.86 |
| 32 | 2448311 | 1991-02-23 | 234.58 |
| 33 | 2448563 | 1991-11-02 | 232.86 |
| 34 | 2448785 | 1992-06-11 | 233.5 |
| 35 | 2449023 | 1993-02-04 | 235.63 |
| 36 | 2449251 | 1993-09-20 | 235 |
| 37 | 2449485 | 1994-05-12 | 234.29 |
| 38 | 2449721 | 1995-01-03 | 235.08 |
| 39 | 2449967 | 1995-09-06 | 235.14 |
| 40 | 2450197 | 1996-04-23 | 235.35 |
| 41 | 2450431 | 1996-12-13 | 235 |
| 42 | 2450668 | 1997-08-07 | 234.22 |
| 43 | 2450898 | 1998-03-25 | 234.36 |
| 44 | 2451133 | 1998-11-15 | 234.64 |
| 45 | 2451363 | 1999-07-03 | 234.42 |
| 46 | 2451604 | 2000-02-29 | 234.36 |
| 47 | 2451841 | 2000-10-23 | 235.15 |
| 48 | 2452072 | 2001-06-11 | 236.15 |
| 49 | 2452309 | 2002-02-03 | 236.14 |
| 50 | 2452538 | 2002-09-20 | 235.85 |
| 51 | 2452785 | 2003-05-25 | 236.07 |
| 52 | 2453017 | 2004-01-12 | 236.58 |
| 53 | 2453256 | 2004-09-07 | 237.29 |
| 54 | 2453491 | 2005-04-30 | 237.14 |
| 55 | 2453727 | 2005-12-22 | 236.92 |
| 56 | 2453966 | 2006-08-18 | 237.5 |
| 57 | 2454203 | 2007-04-12 | 237.43 |
| 58 | 2454440 | 2007-12-05 | 237.43 |
| 59 | 2454679 | 2008-07-31 | 236.78 |
| 60 | 2454919 | 2009-03-28 | 236.56 |
| 61 | 2455152 | 2009-11-16 | 237.5 |
| 62 | 2455390 | 2010-07-12 | 237.15 |
| 63 | 2455618 | 2011-02-25 | 236.15 |
| 64 | 2455863 | 2011-10-28 | 236.36 |
| 65 | 2456105 | 2012-06-26 | 236.78 |
| 66 | 2456334 | 2013-02-10 | 237.14 |
| 67 | 2456570 | 2013-10-04 | 236.65 |
| 68 | 2456810 | 2014-06-01 | 234.86 |
| 69 | 2457047 | 2015-01-24 | 234.57 |
| 70 | 2457281 | 2015-09-15 | 234.99 |
| 71 | 2457513 | 2016-05-04 | 234.21 |
| 72 | 2457743 | 2016-12-20 | 233.29 |
| 73 | 2457980 | 2017-08-14 | 232.72 |
| 74 | 2458214 | 2018-04-05 | 232.57 |
| 75 | 2458445 | 2018-11-22 | 233.28 |
| 76 | 2458678 | 2019-07-13 | 233.93 |
| 77 | 2458908 | 2020-02-28 | 233.86 |
| 78 | 2459142 | 2020-10-19 | 233.69 |
| 79 | 2459380 | 2021-06-14 | 233.74 |
| 80 | 2459618 | 2022-02-07 | 234.82 |
| 81 | 2459850 | 2022-09-27 | 235.78 |
| 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. |