| E | O (JD) | O (dat) | Period |
| -113 | 2412650 | 1893-07-05 | 290.8 |
| -105 | 2414980 | 1899-11-21 | 291.3 |
| -104 | 2415265 | 1900-09-02 | 291.24 |
| -103 | 2415567 | 1901-07-01 | 290.43 |
| -102 | 2415847 | 1902-04-07 | 289.86 |
| -100 | 2416429 | 1903-11-10 | 289.49 |
| -99 | 2416736 | 1904-09-12 | 288.03 |
| -98 | 2417016 | 1905-06-19 | 288.06 |
| -96 | 2417574 | 1906-12-29 | 287.37 |
| -95 | 2417861 | 1907-10-12 | 286.94 |
| -94 | 2418150 | 1908-07-27 | 286.28 |
| -93 | 2418438 | 1909-05-11 | 285.25 |
| -92 | 2418740 | 1910-03-09 | 285.4 |
| -91 | 2419015 | 1910-12-09 | 285.66 |
| -90 | 2419295 | 1911-09-15 | 285.54 |
| -89 | 2419588 | 1912-07-04 | 284.9 |
| -88 | 2419857 | 1913-03-30 | 284.48 |
| -87 | 2420145 | 1914-01-12 | 284.33 |
| -85 | 2420722 | 1915-08-12 | 284.62 |
| -84 | 2421013 | 1916-05-29 | 284.81 |
| -83 | 2421287 | 1917-02-27 | 285.66 |
| -82 | 2421573 | 1917-12-10 | 286.46 |
| -81 | 2421862 | 1918-09-25 | 286.68 |
| -80 | 2422139 | 1919-06-29 | 287.25 |
| -79 | 2422429 | 1920-04-14 | 288.25 |
| -78 | 2422736 | 1921-02-15 | 290.15 |
| -77 | 2423012 | 1921-11-18 | 290.75 |
| -76 | 2423303 | 1922-09-05 | 291.16 |
| -75 | 2423596 | 1923-06-25 | 291.53 |
| -74 | 2423890 | 1924-04-14 | 290.99 |
| -73 | 2424194 | 1925-02-12 | 290.68 |
| -72 | 2424473 | 1925-11-18 | 291.01 |
| -71 | 2424763 | 1926-09-04 | 290.65 |
| -70 | 2425053 | 1927-06-21 | 290.55 |
| -69 | 2425339 | 1928-04-02 | 290.76 |
| -68 | 2425636 | 1929-01-24 | 291.18 |
| -67 | 2425923 | 1929-11-07 | 292.35 |
| -66 | 2426214 | 1930-08-25 | 292.98 |
| -65 | 2426511 | 1931-06-18 | 293.1 |
| -64 | 2426808 | 1932-04-10 | 292.98 |
| -63 | 2427102 | 1933-01-29 | 292.65 |
| -62 | 2427396 | 1933-11-19 | 292.3 |
| -61 | 2427690 | 1934-09-09 | 291.76 |
| -60 | 2427974 | 1935-06-20 | 291.29 |
| -59 | 2428263 | 1936-04-04 | 290.81 |
| -58 | 2428557 | 1937-01-23 | 290.27 |
| -57 | 2428844 | 1937-11-06 | 289.27 |
| -56 | 2429137 | 1938-08-26 | 288.61 |
| -55 | 2429432 | 1939-06-17 | 288.14 |
| -54 | 2429719 | 1940-03-30 | 286.75 |
| -53 | 2430003 | 1941-01-08 | 285.45 |
| -52 | 2430279 | 1941-10-11 | 284.7 |
| -51 | 2430569 | 1942-07-28 | 283.78 |
| -50 | 2430855 | 1943-05-10 | 283.31 |
| -49 | 2431127 | 1944-02-06 | 283.36 |
| -48 | 2431413 | 1944-11-18 | 283.7 |
| -47 | 2431702 | 1945-09-03 | 284.12 |
| -46 | 2431983 | 1946-06-11 | 284.35 |
| -45 | 2432269 | 1947-03-24 | 284.65 |
| -44 | 2432553 | 1948-01-02 | 284.82 |
| -43 | 2432839 | 1948-10-14 | 284.67 |
| -42 | 2433124 | 1949-07-26 | 284.49 |
| -41 | 2433413 | 1950-05-11 | 284.33 |
| -40 | 2433693 | 1951-02-15 | 284.24 |
| -39 | 2433972 | 1951-11-21 | 283.96 |
| -38 | 2434262 | 1952-09-06 | 283.6 |
| -37 | 2434545 | 1953-06-16 | 283.41 |
| -36 | 2434825 | 1954-03-23 | 283.53 |
| -35 | 2435114 | 1955-01-06 | 283.23 |
| -34 | 2435393 | 1955-10-12 | 283.2 |
| -33 | 2435675 | 1956-07-20 | 283.29 |
| -32 | 2435960 | 1957-05-01 | 283.67 |
| -31 | 2436249 | 1958-02-14 | 284.15 |
| -30 | 2436518 | 1958-11-10 | 284.85 |
| -29 | 2436809 | 1959-08-28 | 286.27 |
| -28 | 2437100 | 1960-06-14 | 287.52 |
| -27 | 2437384 | 1961-03-25 | 288.42 |
| -26 | 2437671 | 1962-01-06 | 289.19 |
| -25 | 2437965 | 1962-10-27 | 290.44 |
| -24 | 2438262 | 1963-08-20 | 290.67 |
| -23 | 2438553 | 1964-06-06 | 291.09 |
| -22 | 2438839 | 1965-03-19 | 291.53 |
| -21 | 2439127 | 1966-01-01 | 291.92 |
| -20 | 2439424 | 1966-10-25 | 292.3 |
| -19 | 2439714 | 1967-08-11 | 292.27 |
| -18 | 2440008 | 1968-05-31 | 292.74 |
| -17 | 2440299 | 1969-03-18 | 292.5 |
| -16 | 2440597 | 1970-01-10 | 292.41 |
| -15 | 2440895 | 1970-11-04 | 292.4 |
| -14 | 2441178 | 1971-08-14 | 292.55 |
| -13 | 2441475 | 1972-06-06 | 292.78 |
| -12 | 2441753 | 1973-03-11 | 292.44 |
| -11 | 2442053 | 1974-01-05 | 292.02 |
| -10 | 2442352 | 1974-10-31 | 292.26 |
| -9 | 2442644 | 1975-08-19 | 292.84 |
| -8 | 2442942 | 1976-06-12 | 292.6 |
| -7 | 2443222 | 1977-03-19 | 292.21 |
| -6 | 2443514 | 1978-01-05 | 291.62 |
| -5 | 2443814 | 1978-11-01 | 291.4 |
| -4 | 2444107 | 1979-08-21 | 291.56 |
| -3 | 2444392 | 1980-06-01 | 291.96 |
| -2 | 2444675 | 1981-03-11 | 292.52 |
| -1 | 2444977 | 1982-01-07 | 293.15 |
| 0 | 2445270 | 1982-10-27 | 292.71 |
| 1 | 2445563 | 1983-08-16 | 292.14 |
| 2 | 2445860 | 1984-06-08 | 291.45 |
| 3 | 2446149 | 1985-03-24 | 290.39 |
| 4 | 2446456 | 1986-01-25 | 288.45 |
| 5 | 2446729 | 1986-10-25 | 287.26 |
| 6 | 2447009 | 1987-08-01 | 285.88 |
| 7 | 2447294 | 1988-05-12 | 284.85 |
| 8 | 2447581 | 1989-02-23 | 284.28 |
| 9 | 2447860 | 1989-11-29 | 283.05 |
| 10 | 2448151 | 1990-09-16 | 283.27 |
| 11 | 2448430 | 1991-06-22 | 282.96 |
| 12 | 2448718 | 1992-04-05 | 282.93 |
| 13 | 2449003 | 1993-01-15 | 283.05 |
| 14 | 2449270 | 1993-10-09 | 283.72 |
| 15 | 2449558 | 1994-07-24 | 284.16 |
| 16 | 2449839 | 1995-05-01 | 285.07 |
| 17 | 2450131 | 1996-02-17 | 285.5 |
| 18 | 2450417 | 1996-11-29 | 285.78 |
| 19 | 2450709 | 1997-09-17 | 286.57 |
| 20 | 2450995 | 1998-06-30 | 286.4 |
| 21 | 2451283 | 1999-04-14 | 286.34 |
| 22 | 2451564 | 2000-01-20 | 286.74 |
| 23 | 2451842 | 2000-10-24 | 286.95 |
| 24 | 2452136 | 2001-08-14 | 287.23 |
| 25 | 2452421 | 2002-05-26 | 288.12 |
| 26 | 2452708 | 2003-03-09 | 288.99 |
| 27 | 2453011 | 2004-01-06 | 289.65 |
| 28 | 2453291 | 2004-10-12 | 289.78 |
| 29 | 2453581 | 2005-07-29 | 289.43 |
| 30 | 2453877 | 2006-05-21 | 289.3 |
| 31 | 2454167 | 2007-03-07 | 289 |
| 32 | 2454451 | 2007-12-16 | 288.45 |
| 33 | 2454736 | 2008-09-26 | 288.85 |
| 34 | 2455026 | 2009-07-13 | 288.71 |
| 35 | 2455315 | 2010-04-28 | 288.5 |
| 36 | 2455605 | 2011-02-12 | 288.76 |
| 37 | 2455892 | 2011-11-26 | 289.31 |
| 38 | 2456186 | 2012-09-15 | 289.55 |
| 39 | 2456473 | 2013-06-29 | 290.02 |
| 40 | 2456760 | 2014-04-12 | 290.39 |
| 41 | 2457051 | 2015-01-28 | 291.17 |
| 42 | 2457344 | 2015-11-17 | 291.72 |
| 43 | 2457632 | 2016-08-31 | 292.2 |
| 44 | 2457931 | 2017-06-26 | 292.79 |
| 45 | 2458220 | 2018-04-11 | 292.9 |
| 46 | 2458521 | 2019-02-06 | 293.01 |
| 47 | 2458809 | 2019-11-21 | 293.05 |
| 48 | 2459104 | 2020-09-11 | 293.12 |
| 49 | 2459396 | 2021-06-30 | 292.54 |
| 50 | 2459683 | 2022-04-13 | 292.43 |
| 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. |