| E | O (JD) | O (dat) | Period |
| -108 | 2413543 | 1895-12-15 | 277.32 |
| -104 | 2414648 | 1898-12-24 | 276.86 |
| -103 | 2414922 | 1899-09-24 | 277.05 |
| -100 | 2415770 | 1902-01-20 | 276.84 |
| -99 | 2416050 | 1902-10-27 | 276.68 |
| -97 | 2416580 | 1904-04-09 | 276.27 |
| -96 | 2416860 | 1905-01-14 | 276.34 |
| -95 | 2417148 | 1905-10-29 | 275.82 |
| -94 | 2417415 | 1906-07-23 | 275.33 |
| -93 | 2417691 | 1907-04-25 | 275.19 |
| -92 | 2417955 | 1908-01-14 | 275.15 |
| -91 | 2418255 | 1908-11-09 | 274.84 |
| -90 | 2418515 | 1909-07-27 | 274.54 |
| -89 | 2418802 | 1910-05-10 | 274.71 |
| -88 | 2419060 | 1911-01-23 | 275.18 |
| -87 | 2419328 | 1911-10-18 | 275.65 |
| -86 | 2419619 | 1912-08-04 | 275.75 |
| -85 | 2419891 | 1913-05-03 | 276.35 |
| -84 | 2420162 | 1914-01-29 | 275.48 |
| -83 | 2420451 | 1914-11-14 | 276 |
| -82 | 2420727 | 1915-08-17 | 274.71 |
| -81 | 2421009 | 1916-05-25 | 273.74 |
| -80 | 2421271 | 1917-02-11 | 272.84 |
| -79 | 2421530 | 1917-10-28 | 271.85 |
| -78 | 2421819 | 1918-08-13 | 270.55 |
| -77 | 2422073 | 1919-04-24 | 270.22 |
| -76 | 2422361 | 1920-02-06 | 269.95 |
| -75 | 2422620 | 1920-10-22 | 270.35 |
| -74 | 2422892 | 1921-07-21 | 270.52 |
| -73 | 2423160 | 1922-04-15 | 270.64 |
| -72 | 2423434 | 1923-01-14 | 271.76 |
| -71 | 2423701 | 1923-10-08 | 271.35 |
| -70 | 2423972 | 1924-07-05 | 272.25 |
| -69 | 2424245 | 1925-04-04 | 272.72 |
| -68 | 2424528 | 1926-01-12 | 273.27 |
| -67 | 2424803 | 1926-10-14 | 273.3 |
| -66 | 2425061 | 1927-06-29 | 273.5 |
| -65 | 2425342 | 1928-04-05 | 273.12 |
| -64 | 2425618 | 1929-01-06 | 272.6 |
| -63 | 2425893 | 1929-10-08 | 272.18 |
| -62 | 2426160 | 1930-07-02 | 272.53 |
| -61 | 2426435 | 1931-04-03 | 273.15 |
| -60 | 2426702 | 1931-12-26 | 273.26 |
| -59 | 2426974 | 1932-09-23 | 273.33 |
| -58 | 2427249 | 1933-06-25 | 274.39 |
| -57 | 2427527 | 1934-03-30 | 274.98 |
| -56 | 2427803 | 1934-12-31 | 275.72 |
| -55 | 2428082 | 1935-10-06 | 276.69 |
| -54 | 2428348 | 1936-06-28 | 277.32 |
| -53 | 2428640 | 1937-04-16 | 276.95 |
| -52 | 2428904 | 1938-01-05 | 276.15 |
| -51 | 2429189 | 1938-10-17 | 275.4 |
| -50 | 2429470 | 1939-07-25 | 274.94 |
| -49 | 2429749 | 1940-04-29 | 274.62 |
| -48 | 2430010 | 1941-01-15 | 273.87 |
| -47 | 2430278 | 1941-10-10 | 274.12 |
| -46 | 2430551 | 1942-07-10 | 273.59 |
| -45 | 2430831 | 1943-04-16 | 273.56 |
| -44 | 2431105 | 1944-01-15 | 273.83 |
| -43 | 2431381 | 1944-10-17 | 274.45 |
| -42 | 2431659 | 1945-07-22 | 274.3 |
| -41 | 2431929 | 1946-04-18 | 273.96 |
| -40 | 2432203 | 1947-01-17 | 273.68 |
| -39 | 2432475 | 1947-10-16 | 273.75 |
| -38 | 2432749 | 1948-07-16 | 274.25 |
| -37 | 2433019 | 1949-04-12 | 274.47 |
| -36 | 2433295 | 1950-01-13 | 274.82 |
| -35 | 2433572 | 1950-10-17 | 274.99 |
| -34 | 2433848 | 1951-07-20 | 275.35 |
| -33 | 2434132 | 1952-04-29 | 275.36 |
| -32 | 2434400 | 1953-01-22 | 275.44 |
| -31 | 2434673 | 1953-10-22 | 275.23 |
| -30 | 2434948 | 1954-07-24 | 274.79 |
| -29 | 2435227 | 1955-04-29 | 274.6 |
| -28 | 2435498 | 1956-01-25 | 274.41 |
| -27 | 2435775 | 1956-10-28 | 274.81 |
| -26 | 2436050 | 1957-07-30 | 274.49 |
| -25 | 2436320 | 1958-04-26 | 274.11 |
| -24 | 2436598 | 1959-01-29 | 273.72 |
| -23 | 2436872 | 1959-10-30 | 273.24 |
| -22 | 2437149 | 1960-08-02 | 272.75 |
| -21 | 2437415 | 1961-04-25 | 272.75 |
| -20 | 2437689 | 1962-01-24 | 272.72 |
| -19 | 2437962 | 1962-10-24 | 272.53 |
| -18 | 2438228 | 1963-07-17 | 272.81 |
| -17 | 2438503 | 1964-04-17 | 272.98 |
| -16 | 2438782 | 1965-01-21 | 273.56 |
| -15 | 2439053 | 1965-10-19 | 273.68 |
| -14 | 2439326 | 1966-07-19 | 274 |
| -13 | 2439604 | 1967-04-23 | 274.48 |
| -12 | 2439874 | 1968-01-18 | 274.61 |
| -11 | 2440151 | 1968-10-21 | 274.51 |
| -10 | 2440422 | 1969-07-19 | 274.76 |
| -9 | 2440699 | 1970-04-22 | 274.55 |
| -8 | 2440977 | 1971-01-25 | 274.22 |
| -7 | 2441253 | 1971-10-28 | 274.01 |
| -6 | 2441523 | 1972-07-24 | 273.67 |
| -5 | 2441800 | 1973-04-27 | 273.64 |
| -4 | 2442068 | 1974-01-20 | 273.48 |
| -3 | 2442341 | 1974-10-20 | 273.5 |
| -2 | 2442613 | 1975-07-19 | 273.81 |
| -1 | 2442888 | 1976-04-19 | 273.91 |
| 0 | 2443165 | 1977-01-21 | 273.83 |
| 1 | 2443440 | 1977-10-23 | 274.01 |
| 2 | 2443715 | 1978-07-25 | 273.98 |
| 3 | 2443991 | 1979-04-27 | 273.68 |
| 4 | 2444258 | 1980-01-19 | 273.14 |
| 5 | 2444531 | 1980-10-18 | 272.94 |
| 6 | 2444806 | 1981-07-20 | 272.52 |
| 7 | 2445081 | 1982-04-21 | 272.52 |
| 8 | 2445350 | 1983-01-15 | 272.81 |
| 9 | 2445620 | 1983-10-12 | 273.2 |
| 10 | 2445899 | 1984-07-17 | 273.28 |
| 11 | 2446164 | 1985-04-08 | 273.42 |
| 12 | 2446443 | 1986-01-12 | 273.38 |
| 13 | 2446720 | 1986-10-16 | 273.42 |
| 14 | 2446992 | 1987-07-15 | 274 |
| 15 | 2447265 | 1988-04-13 | 274.27 |
| 16 | 2447540 | 1989-01-13 | 274.75 |
| 17 | 2447808 | 1989-10-08 | 274.79 |
| 18 | 2448080 | 1990-07-07 | 274.71 |
| 19 | 2448369 | 1991-04-22 | 274.72 |
| 20 | 2448642 | 1992-01-20 | 274.67 |
| 21 | 2448916 | 1992-10-20 | 274.15 |
| 22 | 2449192 | 1993-07-23 | 273.73 |
| 23 | 2449460 | 1994-04-17 | 273.09 |
| 24 | 2449733 | 1995-01-15 | 272.3 |
| 25 | 2450008 | 1995-10-17 | 272.14 |
| 26 | 2450273 | 1996-07-08 | 271.76 |
| 27 | 2450547 | 1997-04-08 | 271.38 |
| 28 | 2450822 | 1998-01-08 | 271.51 |
| 29 | 2451095 | 1998-10-08 | 270.97 |
| 30 | 2451365 | 1999-07-05 | 270.88 |
| 31 | 2451632 | 2000-03-28 | 271.03 |
| 32 | 2451901 | 2000-12-22 | 270.94 |
| 33 | 2452178 | 2001-09-25 | 271.21 |
| 34 | 2452439 | 2002-06-13 | 271.87 |
| 35 | 2452717 | 2003-03-18 | 272.62 |
| 36 | 2452989 | 2003-12-15 | 272.96 |
| 37 | 2453262 | 2004-09-13 | 273.28 |
| 38 | 2453539 | 2005-06-17 | 273.86 |
| 39 | 2453816 | 2006-03-21 | 274.61 |
| 40 | 2454089 | 2006-12-19 | 274.67 |
| 41 | 2454355 | 2007-09-11 | 274.91 |
| 42 | 2454632 | 2008-06-14 | 274.79 |
| 43 | 2454915 | 2009-03-24 | 274.66 |
| 44 | 2455189 | 2009-12-23 | 274.63 |
| 45 | 2455463 | 2010-09-23 | 274.3 |
| 46 | 2455738 | 2011-06-25 | 273.89 |
| 47 | 2456008 | 2012-03-21 | 273.25 |
| 48 | 2456284 | 2012-12-22 | 272.53 |
| 49 | 2456558 | 2013-09-22 | 272.52 |
| 50 | 2456823 | 2014-06-14 | 272.42 |
| 51 | 2457095 | 2015-03-13 | 272.26 |
| 52 | 2457372 | 2015-12-15 | 272.19 |
| 53 | 2457641 | 2016-09-09 | 272.55 |
| 54 | 2457919 | 2017-06-14 | 273.01 |
| 55 | 2458189 | 2018-03-11 | 273.39 |
| 56 | 2458459 | 2018-12-06 | 273.43 |
| 57 | 2458730 | 2019-09-03 | 273.38 |
| 58 | 2459014 | 2020-06-13 | 273.6 |
| 59 | 2459286 | 2021-03-12 | 273.54 |
| 60 | 2459556 | 2021-12-07 | 274.04 |
| 61 | 2459830 | 2022-09-07 | 274.43 |
| 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. |