| E | O (JD) | O (dat) | Period |
| -95 | 2412228 | 1892-05-09 | 355.71 |
| -94 | 2412576 | 1893-04-22 | 356.58 |
| -93 | 2412924 | 1894-04-05 | 354.1 |
| -92 | 2413299 | 1895-04-15 | 354.05 |
| -91 | 2413646 | 1896-03-27 | 355.28 |
| -90 | 2414007 | 1897-03-23 | 355.06 |
| -89 | 2414341 | 1898-02-20 | 353.64 |
| -88 | 2414718 | 1899-03-04 | 353 |
| -87 | 2415060 | 1900-02-09 | 353.14 |
| -86 | 2415411 | 1901-01-26 | 353.36 |
| -85 | 2415763 | 1902-01-13 | 351.22 |
| -84 | 2416124 | 1903-01-09 | 347.58 |
| -83 | 2416473 | 1903-12-24 | 347.07 |
| -82 | 2416822 | 1904-12-07 | 346.99 |
| -81 | 2417154 | 1905-11-04 | 347.76 |
| -80 | 2417490 | 1906-10-06 | 349 |
| -79 | 2417840 | 1907-09-21 | 349.4 |
| -78 | 2418192 | 1908-09-07 | 349.75 |
| -74 | 2419607 | 1912-07-23 | 351.95 |
| -73 | 2419970 | 1913-07-21 | 353.4 |
| -72 | 2420313 | 1914-06-29 | 353.15 |
| -71 | 2420658 | 1915-06-09 | 353.06 |
| -70 | 2421025 | 1916-06-10 | 352.71 |
| -69 | 2421373 | 1917-05-24 | 353.07 |
| -68 | 2421722 | 1918-05-08 | 354.07 |
| -67 | 2422079 | 1919-04-30 | 352.07 |
| -66 | 2422436 | 1920-04-21 | 349.86 |
| -65 | 2422790 | 1921-04-10 | 350.86 |
| -64 | 2423138 | 1922-03-24 | 351.58 |
| -63 | 2423474 | 1923-02-23 | 349.71 |
| -62 | 2423822 | 1924-02-06 | 347.21 |
| -61 | 2424185 | 1925-02-03 | 347.06 |
| -60 | 2424538 | 1926-01-22 | 348.71 |
| -59 | 2424873 | 1926-12-23 | 350.49 |
| -58 | 2425214 | 1927-11-29 | 350.71 |
| -57 | 2425573 | 1928-11-22 | 350.14 |
| -56 | 2425921 | 1929-11-05 | 349.79 |
| -55 | 2426282 | 1930-11-01 | 350.36 |
| -54 | 2426635 | 1931-10-20 | 352.08 |
| -53 | 2426990 | 1932-10-09 | 352.5 |
| -52 | 2427318 | 1933-09-02 | 351.93 |
| -51 | 2427674 | 1934-08-24 | 350.79 |
| -50 | 2428042 | 1935-08-27 | 350.28 |
| -49 | 2428387 | 1936-08-06 | 351.92 |
| -48 | 2428743 | 1937-07-28 | 353.71 |
| -47 | 2429085 | 1938-07-05 | 353.07 |
| -46 | 2429444 | 1939-06-29 | 352.29 |
| -45 | 2429791 | 1940-06-10 | 352.86 |
| -44 | 2430153 | 1941-06-07 | 354.15 |
| -43 | 2430506 | 1942-05-26 | 354.93 |
| -42 | 2430855 | 1943-05-10 | 354.93 |
| -41 | 2431215 | 1944-05-04 | 355.21 |
| -40 | 2431571 | 1945-04-25 | 355.35 |
| -39 | 2431927 | 1946-04-16 | 355.56 |
| -38 | 2432277 | 1947-04-01 | 356.14 |
| -37 | 2432640 | 1948-03-29 | 355.79 |
| -36 | 2432994 | 1949-03-18 | 355.65 |
| -35 | 2433345 | 1950-03-04 | 356.94 |
| -34 | 2433711 | 1951-03-05 | 356.36 |
| -33 | 2434056 | 1952-02-13 | 354.71 |
| -32 | 2434421 | 1953-02-12 | 354.93 |
| -31 | 2434780 | 1954-02-06 | 355.29 |
| -30 | 2435126 | 1955-01-18 | 356.28 |
| -29 | 2435474 | 1956-01-01 | 357.57 |
| -28 | 2435834 | 1956-12-26 | 356.64 |
| -27 | 2436196 | 1957-12-23 | 356.14 |
| -26 | 2436559 | 1958-12-21 | 356.58 |
| -25 | 2436924 | 1959-12-21 | 356.51 |
| -24 | 2437270 | 1960-12-01 | 356.36 |
| -23 | 2437622 | 1961-11-18 | 355.71 |
| -22 | 2437970 | 1962-11-01 | 354.42 |
| -21 | 2438329 | 1963-10-26 | 354.06 |
| -20 | 2438690 | 1964-10-21 | 354.06 |
| -19 | 2439045 | 1965-10-11 | 354.36 |
| -18 | 2439400 | 1966-10-01 | 354.21 |
| -17 | 2439751 | 1967-09-17 | 353.21 |
| -16 | 2440098 | 1968-08-29 | 352.58 |
| -15 | 2440455 | 1969-08-21 | 352.72 |
| -14 | 2440803 | 1970-08-04 | 353.08 |
| -13 | 2441161 | 1971-07-28 | 352.93 |
| -12 | 2441510 | 1972-07-11 | 352.35 |
| -11 | 2441873 | 1973-07-09 | 352.64 |
| -10 | 2442221 | 1974-06-22 | 352.14 |
| -9 | 2442569 | 1975-06-05 | 351.99 |
| -8 | 2442917 | 1976-05-18 | 352.71 |
| -7 | 2443278 | 1977-05-14 | 352.5 |
| -6 | 2443616 | 1978-04-17 | 352.79 |
| -5 | 2443983 | 1979-04-19 | 354.51 |
| -4 | 2444338 | 1980-04-08 | 355.22 |
| -3 | 2444691 | 1981-03-27 | 355.64 |
| -2 | 2445038 | 1982-03-09 | 356.36 |
| -1 | 2445411 | 1983-03-17 | 355.93 |
| 0 | 2445757 | 1984-02-26 | 356.21 |
| 1 | 2446116 | 1985-02-19 | 356.93 |
| 2 | 2446472 | 1986-02-10 | 356.71 |
| 3 | 2446832 | 1987-02-05 | 356 |
| 4 | 2447184 | 1988-01-23 | 355.94 |
| 5 | 2447542 | 1989-01-15 | 354.15 |
| 6 | 2447901 | 1990-01-09 | 352.65 |
| 7 | 2448251 | 1990-12-25 | 352.71 |
| 8 | 2448605 | 1991-12-14 | 352.06 |
| 9 | 2448941 | 1992-11-14 | 350.56 |
| 10 | 2449300 | 1993-11-08 | 350.21 |
| 11 | 2449654 | 1994-10-28 | 351 |
| 12 | 2450001 | 1995-10-10 | 352.21 |
| 13 | 2450350 | 1996-09-23 | 352.93 |
| 14 | 2450705 | 1997-09-13 | 352.22 |
| 15 | 2451065 | 1998-09-08 | 351.94 |
| 16 | 2451412 | 1999-08-21 | 353.08 |
| 17 | 2451770 | 2000-08-13 | 353.79 |
| 18 | 2452115 | 2001-07-24 | 352.99 |
| 19 | 2452467 | 2002-07-11 | 352.92 |
| 20 | 2452827 | 2003-07-06 | 352.71 |
| 21 | 2453181 | 2004-06-24 | 352.14 |
| 22 | 2453531 | 2005-06-09 | 352.49 |
| 23 | 2453887 | 2006-05-31 | 351.93 |
| 24 | 2454233 | 2007-05-12 | 351.86 |
| 25 | 2454582 | 2008-04-25 | 352.58 |
| 26 | 2454935 | 2009-04-13 | 352.36 |
| 27 | 2455286 | 2010-03-30 | 353.43 |
| 28 | 2455648 | 2011-03-27 | 355.07 |
| 29 | 2456000 | 2012-03-13 | 354.5 |
| 30 | 2456351 | 2013-02-27 | 354.14 |
| 31 | 2456717 | 2014-02-28 | 353.21 |
| 32 | 2457069 | 2015-02-15 | 352.71 |
| 33 | 2457411 | 2016-01-23 | 353.14 |
| 34 | 2457768 | 2017-01-14 | 351.65 |
| 35 | 2458111 | 2017-12-23 | 351.08 |
| 36 | 2458475 | 2018-12-22 | 352.86 |
| 37 | 2458820 | 2019-12-02 | 353.39 |
| 38 | 2459171 | 2020-11-17 | 353.64 |
| 39 | 2459530 | 2021-11-11 | 353.27 |
| 40 | 2459890 | 2022-11-06 | 351.11 |
| 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. |