| E | O (JD) | O (dat) | Period |
| -133 | 2412570 | 1893-04-16 | 247.63 |
| -129 | 2413580 | 1896-01-21 | 247.85 |
| -123 | 2415070 | 1900-02-19 | 247.49 |
| -120 | 2415819 | 1902-03-10 | 248.57 |
| -119 | 2416055 | 1902-11-01 | 248.7 |
| -117 | 2416554 | 1904-03-14 | 247.72 |
| -116 | 2416792 | 1904-11-07 | 246.72 |
| -115 | 2417058 | 1905-07-31 | 246 |
| -114 | 2417299 | 1906-03-29 | 246.86 |
| -113 | 2417544 | 1906-11-29 | 249.15 |
| -112 | 2417786 | 1907-07-29 | 249.36 |
| -111 | 2418024 | 1908-03-23 | 248.07 |
| -110 | 2418288 | 1908-12-12 | 247.87 |
| -109 | 2418546 | 1909-08-27 | 248.32 |
| -108 | 2418795 | 1910-05-03 | 248.95 |
| -107 | 2419035 | 1910-12-29 | 248.48 |
| -105 | 2419526 | 1912-05-03 | 247.95 |
| -104 | 2419777 | 1913-01-09 | 248.54 |
| -101 | 2420514 | 1915-01-16 | 249.59 |
| -99 | 2421016 | 1916-06-01 | 249.85 |
| -98 | 2421273 | 1917-02-13 | 249.55 |
| -97 | 2421536 | 1917-11-03 | 250.16 |
| -96 | 2421785 | 1918-07-10 | 250.76 |
| -95 | 2422023 | 1919-03-05 | 250.62 |
| -94 | 2422271 | 1919-11-08 | 249.63 |
| -92 | 2422773 | 1921-03-24 | 248.31 |
| -91 | 2423020 | 1921-11-26 | 248.75 |
| -90 | 2423279 | 1922-08-12 | 249.87 |
| -89 | 2423524 | 1923-04-14 | 250.26 |
| -88 | 2423770 | 1923-12-16 | 250.36 |
| -87 | 2424018 | 1924-08-20 | 248.93 |
| -86 | 2424274 | 1925-05-03 | 247.64 |
| -85 | 2424524 | 1926-01-08 | 248.21 |
| -84 | 2424774 | 1926-09-15 | 248.93 |
| -83 | 2425010 | 1927-05-09 | 248.22 |
| -82 | 2425260 | 1928-01-14 | 246.58 |
| -81 | 2425509 | 1928-09-19 | 245.93 |
| -80 | 2425764 | 1929-06-01 | 246.43 |
| -79 | 2426003 | 1930-01-26 | 246.71 |
| -78 | 2426247 | 1930-09-27 | 246.36 |
| -77 | 2426494 | 1931-06-01 | 246.29 |
| -76 | 2426740 | 1932-02-02 | 246.71 |
| -75 | 2426984 | 1932-10-03 | 248.28 |
| -74 | 2427234 | 1933-06-10 | 250.43 |
| -73 | 2427487 | 1934-02-18 | 252.08 |
| -72 | 2427734 | 1934-10-23 | 252.22 |
| -71 | 2427992 | 1935-07-08 | 251.93 |
| -70 | 2428255 | 1936-03-27 | 251.57 |
| -69 | 2428508 | 1936-12-05 | 250.85 |
| -68 | 2428747 | 1937-08-01 | 249.72 |
| -67 | 2428998 | 1938-04-09 | 248.36 |
| -66 | 2429245 | 1938-12-12 | 246.93 |
| -65 | 2429488 | 1939-08-12 | 247.21 |
| -64 | 2429734 | 1940-04-14 | 248.35 |
| -63 | 2429990 | 1940-12-26 | 247.65 |
| -62 | 2430230 | 1941-08-23 | 247.5 |
| -61 | 2430486 | 1942-05-06 | 249 |
| -60 | 2430736 | 1943-01-11 | 248.93 |
| -59 | 2430974 | 1943-09-06 | 248.64 |
| -58 | 2431224 | 1944-05-13 | 249.93 |
| -57 | 2431484 | 1945-01-28 | 250 |
| -56 | 2431725 | 1945-09-26 | 250.5 |
| -55 | 2431976 | 1946-06-04 | 251.28 |
| -54 | 2432239 | 1947-02-22 | 249.71 |
| -53 | 2432483 | 1947-10-24 | 249.08 |
| -52 | 2432734 | 1948-07-01 | 250.29 |
| -51 | 2432982 | 1949-03-06 | 250.07 |
| -50 | 2433222 | 1949-11-01 | 249.28 |
| -49 | 2433474 | 1950-07-11 | 248.57 |
| -48 | 2433731 | 1951-03-25 | 248.58 |
| -47 | 2433985 | 1951-12-04 | 249.65 |
| -46 | 2434227 | 1952-08-02 | 249.71 |
| -45 | 2434470 | 1953-04-02 | 248.64 |
| -44 | 2434726 | 1953-12-14 | 247.57 |
| -43 | 2434973 | 1954-08-18 | 248 |
| -42 | 2435219 | 1955-04-21 | 249.36 |
| -41 | 2435467 | 1955-12-25 | 249.35 |
| -40 | 2435715 | 1956-08-29 | 248.43 |
| -39 | 2435969 | 1957-05-10 | 248.35 |
| -38 | 2436219 | 1958-01-15 | 249.08 |
| -37 | 2436468 | 1958-09-21 | 249.58 |
| -36 | 2436709 | 1959-05-20 | 249.71 |
| -35 | 2436960 | 1960-01-26 | 249.35 |
| -34 | 2437213 | 1960-10-05 | 248.64 |
| -33 | 2437463 | 1961-06-12 | 249.58 |
| -32 | 2437717 | 1962-02-21 | 250.5 |
| -31 | 2437962 | 1962-10-24 | 249.93 |
| -30 | 2438206 | 1963-06-25 | 249.85 |
| -29 | 2438465 | 1964-03-10 | 249.71 |
| -28 | 2438711 | 1964-11-11 | 249.15 |
| -27 | 2438961 | 1965-07-19 | 249.86 |
| -26 | 2439213 | 1966-03-28 | 250.71 |
| -25 | 2439463 | 1966-12-03 | 250.93 |
| -24 | 2439704 | 1967-08-01 | 250.78 |
| -23 | 2439962 | 1968-04-15 | 249.79 |
| -22 | 2440219 | 1968-12-28 | 249.65 |
| -21 | 2440470 | 1969-09-05 | 250.14 |
| -20 | 2440713 | 1970-05-06 | 249.93 |
| -19 | 2440958 | 1971-01-06 | 248.85 |
| -18 | 2441213 | 1971-09-18 | 247.72 |
| -17 | 2441456 | 1972-05-18 | 247.79 |
| -16 | 2441709 | 1973-01-26 | 248.64 |
| -15 | 2441956 | 1973-09-30 | 248.64 |
| -14 | 2442201 | 1974-06-02 | 249.14 |
| -13 | 2442451 | 1975-02-07 | 249.65 |
| -12 | 2442701 | 1975-10-15 | 249.79 |
| -11 | 2442951 | 1976-06-21 | 250.85 |
| -10 | 2443206 | 1977-03-03 | 251.93 |
| -9 | 2443454 | 1977-11-06 | 252.28 |
| -8 | 2443708 | 1978-07-18 | 251.65 |
| -7 | 2443961 | 1979-03-28 | 250.72 |
| -6 | 2444218 | 1979-12-10 | 250.71 |
| -5 | 2444466 | 1980-08-14 | 250.64 |
| -4 | 2444709 | 1981-04-14 | 249.85 |
| -3 | 2444958 | 1981-12-19 | 249.08 |
| -2 | 2445212 | 1982-08-30 | 248.79 |
| -1 | 2445459 | 1983-05-04 | 249.43 |
| 0 | 2445708 | 1984-01-08 | 250.28 |
| 1 | 2445958 | 1984-09-14 | 250.14 |
| 2 | 2446209 | 1985-05-23 | 249.93 |
| 3 | 2446458 | 1986-01-27 | 250.08 |
| 4 | 2446713 | 1986-10-09 | 250.71 |
| 5 | 2446959 | 1987-06-12 | 251.43 |
| 6 | 2447211 | 1988-02-19 | 249.78 |
| 7 | 2447457 | 1988-10-22 | 247.79 |
| 8 | 2447719 | 1989-07-11 | 248.15 |
| 9 | 2447968 | 1990-03-17 | 248.64 |
| 10 | 2448196 | 1990-10-31 | 248.57 |
| 11 | 2448444 | 1991-07-06 | 248.28 |
| 12 | 2448702 | 1992-03-20 | 247 |
| 13 | 2448949 | 1992-11-22 | 248.08 |
| 14 | 2449199 | 1993-07-30 | 249.64 |
| 15 | 2449453 | 1994-04-10 | 249.07 |
| 16 | 2449692 | 1994-12-05 | 248.57 |
| 17 | 2449945 | 1995-08-15 | 247.72 |
| 18 | 2450190 | 1996-04-16 | 246.29 |
| 19 | 2450443 | 1996-12-25 | 246.71 |
| 20 | 2450688 | 1997-08-27 | 248 |
| 21 | 2450928 | 1998-04-24 | 248.14 |
| 22 | 2451172 | 1998-12-24 | 248.08 |
| 23 | 2451427 | 1999-09-05 | 248.15 |
| 24 | 2451682 | 2000-05-17 | 248.93 |
| 25 | 2451927 | 2001-01-17 | 250.07 |
| 26 | 2452179 | 2001-09-26 | 250.21 |
| 27 | 2452426 | 2002-05-31 | 249 |
| 28 | 2452675 | 2003-02-04 | 249 |
| 29 | 2452926 | 2003-10-13 | 249.21 |
| 30 | 2453176 | 2004-06-19 | 248.57 |
| 31 | 2453419 | 2005-02-17 | 248.64 |
| 32 | 2453676 | 2005-11-01 | 248.36 |
| 33 | 2453919 | 2006-07-02 | 248.22 |
| 34 | 2454166 | 2007-03-06 | 249.57 |
| 35 | 2454416 | 2007-11-11 | 249.5 |
| 36 | 2454662 | 2008-07-14 | 249.07 |
| 37 | 2454915 | 2009-03-24 | 249.5 |
| 38 | 2455174 | 2009-12-08 | 248.5 |
| 39 | 2455414 | 2010-08-05 | 249.14 |
| 40 | 2455668 | 2011-04-16 | 249.71 |
| 41 | 2455910 | 2011-12-14 | 249.21 |
| 42 | 2456151 | 2012-08-11 | 249.43 |
| 43 | 2456415 | 2013-05-02 | 248.86 |
| 44 | 2456658 | 2013-12-31 | 249.07 |
| 45 | 2456920 | 2014-09-19 | 250 |
| 46 | 2457160 | 2015-05-17 | 248.35 |
| 47 | 2457406 | 2016-01-18 | 247.72 |
| 48 | 2457659 | 2016-09-27 | 248.08 |
| 49 | 2457902 | 2017-05-28 | 247.35 |
| 50 | 2458141 | 2018-01-22 | 247.78 |
| 51 | 2458400 | 2018-10-08 | 247.93 |
| 52 | 2458651 | 2019-06-16 | 248.29 |
| 53 | 2458892 | 2020-02-12 | 250 |
| 54 | 2459143 | 2020-10-20 | 250.31 |
| 55 | 2459393 | 2021-06-27 | 248.2 |
| 56 | 2459644 | 2022-03-05 | 249.42 |
| 57 | 2459899 | 2022-11-15 | 251.09 |
| 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. |