| E | O (JD) | O (dat) | Period |
| -110 | 2412070 | 1891-12-03 | 385.58 |
| -108 | 2412825 | 1893-12-27 | 385.39 |
| -107 | 2413210 | 1895-01-16 | 384.12 |
| -106 | 2413604 | 1896-02-14 | 383.27 |
| -105 | 2414000 | 1897-03-16 | 382.59 |
| -103 | 2414760 | 1899-04-15 | 382.68 |
| -101 | 2415530 | 1901-05-25 | 382.09 |
| -100 | 2415895 | 1902-05-25 | 381.31 |
| -99 | 2416273 | 1903-06-07 | 380.9 |
| -98 | 2416650 | 1904-06-18 | 380.95 |
| -97 | 2417048 | 1905-07-21 | 382.94 |
| -96 | 2417412 | 1906-07-20 | 384.36 |
| -95 | 2417800 | 1907-08-12 | 386.42 |
| -94 | 2418194 | 1908-09-09 | 386.38 |
| -93 | 2418579 | 1909-09-29 | 386.23 |
| -92 | 2418988 | 1910-11-12 | 385.63 |
| -91 | 2419360 | 1911-11-19 | 385.57 |
| -90 | 2419755 | 1912-12-18 | 384.17 |
| -89 | 2420116 | 1913-12-14 | 381.43 |
| -88 | 2420504 | 1915-01-06 | 379.08 |
| -87 | 2420888 | 1916-01-25 | 376.63 |
| -86 | 2421270 | 1917-02-10 | 376.99 |
| -85 | 2421648 | 1918-02-23 | 377.05 |
| -84 | 2422000 | 1919-02-10 | 377.82 |
| -83 | 2422376 | 1920-02-21 | 378.6 |
| -82 | 2422748 | 1921-02-27 | 379.22 |
| -81 | 2423153 | 1922-04-08 | 379.22 |
| -80 | 2423533 | 1923-04-23 | 379.39 |
| -79 | 2423909 | 1924-05-03 | 379.31 |
| -78 | 2424307 | 1925-06-05 | 377.27 |
| -77 | 2424676 | 1926-06-09 | 375.1 |
| -76 | 2425036 | 1927-06-04 | 372.77 |
| -75 | 2425411 | 1928-06-13 | 371.76 |
| -74 | 2425780 | 1929-06-17 | 371.05 |
| -73 | 2426141 | 1930-06-13 | 371.08 |
| -72 | 2426515 | 1931-06-22 | 372.14 |
| -71 | 2426893 | 1932-07-04 | 373.45 |
| -70 | 2427265 | 1933-07-11 | 374.76 |
| -69 | 2427638 | 1934-07-19 | 375.91 |
| -68 | 2428024 | 1935-08-09 | 377.01 |
| -67 | 2428392 | 1936-08-11 | 377.44 |
| -66 | 2428772 | 1937-08-26 | 378.06 |
| -65 | 2429159 | 1938-09-17 | 379.24 |
| -64 | 2429530 | 1939-09-23 | 380.38 |
| -63 | 2429910 | 1940-10-07 | 381.1 |
| -62 | 2430288 | 1941-10-20 | 382.26 |
| -61 | 2430673 | 1942-11-09 | 383.35 |
| -60 | 2431063 | 1943-12-04 | 384.6 |
| -59 | 2431450 | 1944-12-25 | 386.1 |
| -58 | 2431830 | 1946-01-09 | 386.71 |
| -57 | 2432215 | 1947-01-29 | 387.01 |
| -56 | 2432610 | 1948-02-28 | 387.35 |
| -55 | 2433001 | 1949-03-25 | 387.25 |
| -54 | 2433388 | 1950-04-16 | 388.09 |
| -53 | 2433769 | 1951-05-02 | 388.56 |
| -52 | 2434154 | 1952-05-21 | 387.79 |
| -51 | 2434550 | 1953-06-21 | 386.45 |
| -50 | 2434931 | 1954-07-07 | 385.13 |
| -49 | 2435335 | 1955-08-15 | 384.04 |
| -48 | 2435717 | 1956-08-31 | 382.82 |
| -47 | 2436087 | 1957-09-05 | 381.55 |
| -46 | 2436464 | 1958-09-17 | 380.12 |
| -45 | 2436840 | 1959-09-28 | 379.41 |
| -44 | 2437222 | 1960-10-14 | 378.46 |
| -43 | 2437599 | 1961-10-26 | 378.54 |
| -42 | 2437983 | 1962-11-14 | 379.01 |
| -41 | 2438360 | 1963-11-26 | 378.86 |
| -40 | 2438742 | 1964-12-12 | 378.54 |
| -39 | 2439118 | 1965-12-23 | 378.3 |
| -38 | 2439493 | 1967-01-02 | 378.05 |
| -37 | 2439875 | 1968-01-19 | 378.14 |
| -36 | 2440249 | 1969-01-27 | 378.97 |
| -35 | 2440625 | 1970-02-07 | 379.9 |
| -34 | 2441008 | 1971-02-25 | 380.44 |
| -33 | 2441383 | 1972-03-06 | 380.95 |
| -32 | 2441770 | 1973-03-28 | 381.56 |
| -31 | 2442160 | 1974-04-22 | 382.25 |
| -30 | 2442545 | 1975-05-12 | 382.45 |
| -29 | 2442915 | 1976-05-16 | 382.45 |
| -28 | 2443298 | 1977-06-03 | 382.97 |
| -27 | 2443686 | 1978-06-26 | 383.07 |
| -26 | 2444068 | 1979-07-13 | 383.42 |
| -25 | 2444447 | 1980-07-26 | 384.18 |
| -24 | 2444831 | 1981-08-14 | 384.63 |
| -23 | 2445224 | 1982-09-11 | 384.44 |
| -22 | 2445608 | 1983-09-30 | 383.87 |
| -21 | 2445994 | 1984-10-20 | 383.81 |
| -20 | 2446380 | 1985-11-10 | 383.18 |
| -19 | 2446755 | 1986-11-20 | 382.14 |
| -18 | 2447139 | 1987-12-09 | 381.09 |
| -17 | 2447516 | 1988-12-20 | 380.34 |
| -16 | 2447905 | 1990-01-13 | 378.81 |
| -15 | 2448278 | 1991-01-21 | 378.2 |
| -14 | 2448656 | 1992-02-03 | 377.93 |
| -13 | 2449037 | 1993-02-18 | 376.51 |
| -12 | 2449413 | 1994-03-01 | 376.55 |
| -11 | 2449773 | 1995-02-24 | 376.95 |
| -10 | 2450163 | 1996-03-20 | 377.11 |
| -9 | 2450541 | 1997-04-02 | 377.37 |
| -8 | 2450898 | 1998-03-25 | 377.42 |
| -7 | 2451298 | 1999-04-29 | 378.24 |
| -6 | 2451685 | 2000-05-20 | 379.03 |
| -5 | 2452047 | 2001-05-17 | 378.75 |
| -4 | 2452430 | 2002-06-04 | 379.45 |
| -3 | 2452802 | 2003-06-11 | 379.9 |
| -2 | 2453191 | 2004-07-04 | 379.2 |
| -1 | 2453570 | 2005-07-18 | 378.99 |
| 0 | 2453946 | 2006-07-29 | 379.35 |
| 1 | 2454334 | 2007-08-21 | 378.92 |
| 2 | 2454709 | 2008-08-30 | 378.56 |
| 3 | 2455089 | 2009-09-14 | 378.11 |
| 4 | 2455458 | 2010-09-18 | 378.19 |
| 5 | 2455838 | 2011-10-03 | 378.16 |
| 6 | 2456217 | 2012-10-16 | 378.89 |
| 7 | 2456593 | 2013-10-27 | 380.05 |
| 8 | 2456977 | 2014-11-15 | 381.01 |
| 9 | 2457357 | 2015-11-30 | 381.93 |
| 10 | 2457733 | 2016-12-10 | 383.03 |
| 11 | 2458131 | 2018-01-12 | 383.57 |
| 12 | 2458512 | 2019-01-28 | 384.18 |
| 13 | 2458893 | 2020-02-13 | 384.51 |
| 14 | 2459273 | 2021-02-27 | 385.14 |
| 15 | 2459671 | 2022-04-01 | 385.63 |
| 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. |