| E | O (JD) | O (dat) | Period |
| -127 | 2410138 | 1886-08-19 | 250.79 |
| -120 | 2411890 | 1891-06-06 | 250.75 |
| -115 | 2413150 | 1894-11-17 | 250.65 |
| -112 | 2413895 | 1896-12-01 | 250.6 |
| -110 | 2414400 | 1898-04-20 | 250.63 |
| -109 | 2414650 | 1898-12-26 | 250.58 |
| -108 | 2414900 | 1899-09-02 | 250.62 |
| -107 | 2415150 | 1900-05-10 | 249.67 |
| -105 | 2415650 | 1901-09-22 | 248.86 |
| -104 | 2415905 | 1902-06-04 | 248.91 |
| -102 | 2416403 | 1903-10-15 | 249.08 |
| -99 | 2417135 | 1905-10-16 | 248.87 |
| -98 | 2417390 | 1906-06-28 | 248.17 |
| -96 | 2417885 | 1907-11-05 | 247.76 |
| -95 | 2418143 | 1908-07-20 | 248.66 |
| -93 | 2418630 | 1909-11-19 | 249.47 |
| -92 | 2418881 | 1910-07-28 | 250.03 |
| -89 | 2419621 | 1912-08-06 | 250.63 |
| -83 | 2421128 | 1916-09-21 | 251 |
| -80 | 2421879 | 1918-10-12 | 251.36 |
| -77 | 2422647 | 1920-11-18 | 251.85 |
| -76 | 2422905 | 1921-08-03 | 252.74 |
| -75 | 2423155 | 1922-04-10 | 253.55 |
| -74 | 2423405 | 1922-12-16 | 253.5 |
| -73 | 2423660 | 1923-08-28 | 251.21 |
| -72 | 2423913 | 1924-05-07 | 249.64 |
| -71 | 2424165 | 1925-01-14 | 250.29 |
| -70 | 2424417 | 1925-09-23 | 251.21 |
| -69 | 2424652 | 1926-05-16 | 251 |
| -68 | 2424903 | 1927-01-22 | 250.14 |
| -67 | 2425161 | 1927-10-07 | 249.93 |
| -66 | 2425421 | 1928-06-23 | 250.64 |
| -65 | 2425666 | 1929-02-23 | 251.14 |
| -64 | 2425914 | 1929-10-29 | 250.93 |
| -63 | 2426167 | 1930-07-09 | 249.86 |
| -62 | 2426411 | 1931-03-10 | 249.29 |
| -61 | 2426660 | 1931-11-14 | 249.86 |
| -60 | 2426917 | 1932-07-28 | 249.43 |
| -59 | 2427163 | 1933-03-31 | 249.36 |
| -58 | 2427414 | 1933-12-07 | 250 |
| -57 | 2427664 | 1934-08-14 | 249.07 |
| -56 | 2427909 | 1935-04-16 | 248.43 |
| -55 | 2428160 | 1935-12-23 | 249.29 |
| -54 | 2428411 | 1936-08-30 | 248.79 |
| -53 | 2428653 | 1937-04-29 | 248.14 |
| -52 | 2428905 | 1938-01-06 | 248.79 |
| -51 | 2429162 | 1938-09-20 | 249.07 |
| -50 | 2429399 | 1939-05-15 | 249.29 |
| -49 | 2429648 | 1940-01-19 | 249.71 |
| -48 | 2429904 | 1940-10-01 | 250.5 |
| -47 | 2430154 | 1941-06-08 | 252.07 |
| -46 | 2430400 | 1942-02-09 | 252 |
| -45 | 2430654 | 1942-10-21 | 251.07 |
| -44 | 2430920 | 1943-07-14 | 251 |
| -43 | 2431170 | 1944-03-20 | 250.79 |
| -42 | 2431405 | 1944-11-10 | 250.43 |
| -41 | 2431662 | 1945-07-25 | 249.21 |
| -40 | 2431910 | 1946-03-30 | 247.93 |
| -39 | 2432155 | 1946-11-30 | 249.29 |
| -38 | 2432405 | 1947-08-07 | 250.57 |
| -37 | 2432658 | 1948-04-16 | 250 |
| -36 | 2432903 | 1948-12-17 | 249.86 |
| -35 | 2433162 | 1949-09-02 | 250.36 |
| -34 | 2433413 | 1950-05-11 | 250.43 |
| -33 | 2433659 | 1951-01-12 | 250.71 |
| -32 | 2433904 | 1951-09-14 | 251.5 |
| -31 | 2434161 | 1952-05-28 | 251.5 |
| -30 | 2434408 | 1953-01-30 | 251.36 |
| -29 | 2434663 | 1953-10-12 | 251.79 |
| -28 | 2434923 | 1954-06-29 | 252.21 |
| -27 | 2435173 | 1955-03-06 | 252.71 |
| -26 | 2435418 | 1955-11-06 | 253.79 |
| -25 | 2435670 | 1956-07-15 | 253.07 |
| -24 | 2435926 | 1957-03-28 | 252.5 |
| -23 | 2436181 | 1957-12-08 | 253.43 |
| -22 | 2436443 | 1958-08-27 | 254.07 |
| -21 | 2436686 | 1959-04-27 | 254.57 |
| -20 | 2436945 | 1960-01-11 | 254.64 |
| -19 | 2437194 | 1960-09-16 | 254.29 |
| -18 | 2437451 | 1961-05-31 | 254.43 |
| -17 | 2437709 | 1962-02-13 | 253.79 |
| -16 | 2437963 | 1962-10-25 | 252.93 |
| -15 | 2438221 | 1963-07-10 | 252.79 |
| -14 | 2438470 | 1964-03-15 | 252.14 |
| -13 | 2438714 | 1964-11-14 | 251.43 |
| -12 | 2438966 | 1965-07-24 | 250.64 |
| -11 | 2439218 | 1966-04-02 | 251 |
| -10 | 2439472 | 1966-12-12 | 251.93 |
| -9 | 2439720 | 1967-08-17 | 252.14 |
| -8 | 2439973 | 1968-04-26 | 252 |
| -7 | 2440232 | 1969-01-10 | 250.43 |
| -6 | 2440479 | 1969-09-14 | 249.14 |
| -5 | 2440731 | 1970-05-24 | 249.5 |
| -4 | 2440981 | 1971-01-29 | 248 |
| -3 | 2441215 | 1971-09-20 | 246.57 |
| -2 | 2441465 | 1972-05-27 | 246.57 |
| -1 | 2441721 | 1973-02-07 | 246.64 |
| 0 | 2441956 | 1973-09-30 | 247.64 |
| 1 | 2442207 | 1974-06-08 | 247.5 |
| 2 | 2442455 | 1975-02-11 | 246.79 |
| 3 | 2442710 | 1975-10-24 | 247.71 |
| 4 | 2442953 | 1976-06-23 | 248.36 |
| 5 | 2443192 | 1977-02-17 | 248.07 |
| 6 | 2443449 | 1977-11-01 | 247.93 |
| 7 | 2443696 | 1978-07-06 | 248 |
| 8 | 2443944 | 1979-03-11 | 248.57 |
| 9 | 2444191 | 1979-11-13 | 247.71 |
| 10 | 2444445 | 1980-07-24 | 247.36 |
| 11 | 2444690 | 1981-03-26 | 249.14 |
| 12 | 2444935 | 1981-11-26 | 249.86 |
| 13 | 2445174 | 1982-07-23 | 249.5 |
| 14 | 2445434 | 1983-04-09 | 249.71 |
| 15 | 2445694 | 1983-12-25 | 251.07 |
| 16 | 2445939 | 1984-08-26 | 253.14 |
| 17 | 2446190 | 1985-05-04 | 254.64 |
| 18 | 2446441 | 1986-01-10 | 253.71 |
| 19 | 2446699 | 1986-09-25 | 254.14 |
| 20 | 2446954 | 1987-06-07 | 255.86 |
| 21 | 2447219 | 1988-02-27 | 255.71 |
| 22 | 2447461 | 1988-10-26 | 255.21 |
| 23 | 2447730 | 1989-07-22 | 255.14 |
| 24 | 2447981 | 1990-03-30 | 254.86 |
| 25 | 2448230 | 1990-12-04 | 255.29 |
| 26 | 2448483 | 1991-08-14 | 255.5 |
| 27 | 2448742 | 1992-04-29 | 254.64 |
| 28 | 2448999 | 1993-01-11 | 254.71 |
| 29 | 2449255 | 1993-09-24 | 254.5 |
| 30 | 2449513 | 1994-06-09 | 252.93 |
| 31 | 2449763 | 1995-02-14 | 251.93 |
| 32 | 2450014 | 1995-10-23 | 252.07 |
| 33 | 2450262 | 1996-06-27 | 251.64 |
| 34 | 2450504 | 1997-02-24 | 251.14 |
| 35 | 2450764 | 1997-11-11 | 250.86 |
| 36 | 2451019 | 1998-07-24 | 250.5 |
| 37 | 2451272 | 1999-04-03 | 250.5 |
| 38 | 2451520 | 1999-12-07 | 249.93 |
| 39 | 2451769 | 2000-08-12 | 249 |
| 40 | 2452014 | 2001-04-14 | 248.36 |
| 41 | 2452259 | 2001-12-15 | 248.5 |
| 42 | 2452508 | 2002-08-21 | 248.43 |
| 43 | 2452761 | 2003-05-01 | 248.21 |
| 44 | 2453007 | 2004-01-02 | 248.64 |
| 45 | 2453264 | 2004-09-15 | 247.93 |
| 46 | 2453503 | 2005-05-12 | 247.07 |
| 47 | 2453755 | 2006-01-19 | 247 |
| 48 | 2453999 | 2006-09-20 | 246.57 |
| 49 | 2454239 | 2007-05-18 | 245.86 |
| 50 | 2454489 | 2008-01-23 | 245.64 |
| 51 | 2454737 | 2008-09-27 | 245.79 |
| 52 | 2454986 | 2009-06-03 | 246.43 |
| 53 | 2455223 | 2010-01-26 | 246.79 |
| 54 | 2455474 | 2010-10-04 | 246.86 |
| 55 | 2455721 | 2011-06-08 | 246.86 |
| 56 | 2455967 | 2012-02-09 | 247.57 |
| 57 | 2456216 | 2012-10-15 | 249.21 |
| 58 | 2456466 | 2013-06-22 | 248.79 |
| 59 | 2456713 | 2014-02-24 | 247.86 |
| 60 | 2456962 | 2014-10-31 | 248.36 |
| 61 | 2457224 | 2015-07-20 | 249.07 |
| 62 | 2457454 | 2016-03-06 | 250.29 |
| 63 | 2457704 | 2016-11-11 | 250.79 |
| 64 | 2457956 | 2017-07-21 | 249.29 |
| 65 | 2458213 | 2018-04-04 | 249.43 |
| 66 | 2458470 | 2018-12-17 | 250.86 |
| 67 | 2458716 | 2019-08-20 | 251.43 |
| 68 | 2458960 | 2020-04-20 | 251.46 |
| 69 | 2459210 | 2020-12-26 | 249.06 |
| 70 | 2459460 | 2021-09-02 | 248.17 |
| 71 | 2459720 | 2022-05-20 | 248.6 |
| 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. |