| E | O (JD) | O (dat) | Period |
| -169 | 2408880 | 1883-03-10 | 220.78 |
| -154 | 2412160 | 1892-03-02 | 219.92 |
| -152 | 2412600 | 1893-05-16 | 218.74 |
| -150 | 2413015 | 1894-07-05 | 218.71 |
| -147 | 2413706 | 1896-05-26 | 218.97 |
| -146 | 2413910 | 1896-12-16 | 219.08 |
| -145 | 2414128 | 1897-07-22 | 219.38 |
| -144 | 2414348 | 1898-02-27 | 218.73 |
| -142 | 2414794 | 1899-05-19 | 217.52 |
| -139 | 2415443 | 1901-02-27 | 218.14 |
| -137 | 2415876 | 1902-05-06 | 218.68 |
| -134 | 2416532 | 1904-02-21 | 218.11 |
| -132 | 2416957 | 1905-04-21 | 217.33 |
| -131 | 2417189 | 1905-12-09 | 217.52 |
| -130 | 2417410 | 1906-07-18 | 217.67 |
| -129 | 2417621 | 1907-02-14 | 218.13 |
| -128 | 2417832 | 1907-09-13 | 218.49 |
| -127 | 2418055 | 1908-04-23 | 217.87 |
| -126 | 2418271 | 1908-11-25 | 216.82 |
| -125 | 2418490 | 1909-07-02 | 217.45 |
| -124 | 2418715 | 1910-02-12 | 218.67 |
| -122 | 2419152 | 1911-04-25 | 218.44 |
| -120 | 2419565 | 1912-06-11 | 217.95 |
| -119 | 2419802 | 1913-02-03 | 217.55 |
| -118 | 2420021 | 1913-09-10 | 217.95 |
| -117 | 2420237 | 1914-04-14 | 219.24 |
| -115 | 2420665 | 1915-06-16 | 219.24 |
| -114 | 2420891 | 1916-01-28 | 219.17 |
| -113 | 2421117 | 1916-09-10 | 219.89 |
| -112 | 2421327 | 1917-04-08 | 220.58 |
| -110 | 2421767 | 1918-06-22 | 221.37 |
| -109 | 2422001 | 1919-02-11 | 221.12 |
| -108 | 2422215 | 1919-09-13 | 221.18 |
| -107 | 2422437 | 1920-04-22 | 221.06 |
| -106 | 2422661 | 1920-12-02 | 219.79 |
| -105 | 2422885 | 1921-07-14 | 219 |
| -104 | 2423098 | 1922-02-12 | 218.79 |
| -103 | 2423312 | 1922-09-14 | 218.93 |
| -102 | 2423533 | 1923-04-23 | 219.14 |
| -101 | 2423749 | 1923-11-25 | 218.79 |
| -100 | 2423966 | 1924-06-29 | 218.72 |
| -99 | 2424197 | 1925-02-15 | 219.29 |
| -98 | 2424417 | 1925-09-23 | 220.07 |
| -97 | 2424629 | 1926-04-23 | 220.22 |
| -96 | 2424843 | 1926-11-23 | 218.36 |
| -95 | 2425072 | 1927-07-10 | 216.43 |
| -94 | 2425291 | 1928-02-14 | 217.29 |
| -93 | 2425507 | 1928-09-17 | 217.79 |
| -92 | 2425713 | 1929-04-11 | 216.42 |
| -91 | 2425931 | 1929-11-15 | 214.85 |
| -90 | 2426157 | 1930-06-29 | 214.5 |
| -89 | 2426364 | 1931-01-22 | 215.85 |
| -88 | 2426581 | 1931-08-27 | 216.92 |
| -87 | 2426790 | 1932-03-23 | 217.22 |
| -86 | 2427011 | 1932-10-30 | 217.22 |
| -85 | 2427231 | 1933-06-07 | 217.86 |
| -84 | 2427450 | 1934-01-12 | 218.72 |
| -83 | 2427679 | 1934-08-29 | 219 |
| -82 | 2427883 | 1935-03-21 | 218.57 |
| -81 | 2428112 | 1935-11-05 | 218.29 |
| -80 | 2428321 | 1936-06-01 | 218.29 |
| -79 | 2428546 | 1937-01-12 | 218.42 |
| -78 | 2428756 | 1937-08-10 | 218.21 |
| -77 | 2428981 | 1938-03-23 | 218 |
| -76 | 2429204 | 1938-11-01 | 219.79 |
| -75 | 2429416 | 1939-06-01 | 221.07 |
| -74 | 2429634 | 1940-01-05 | 220.07 |
| -73 | 2429851 | 1940-08-09 | 219.79 |
| -72 | 2430093 | 1941-04-08 | 220.64 |
| -71 | 2430304 | 1941-11-05 | 220.29 |
| -70 | 2430514 | 1942-06-03 | 219.57 |
| -69 | 2430748 | 1943-01-23 | 218.07 |
| -68 | 2430961 | 1943-08-24 | 216.79 |
| -67 | 2431173 | 1944-03-23 | 217.57 |
| -66 | 2431386 | 1944-10-22 | 217.43 |
| -65 | 2431611 | 1945-06-04 | 216.79 |
| -64 | 2431821 | 1945-12-31 | 218.14 |
| -63 | 2432043 | 1946-08-10 | 220.5 |
| -62 | 2432263 | 1947-03-18 | 220.28 |
| -61 | 2432481 | 1947-10-22 | 219.49 |
| -60 | 2432707 | 1948-06-04 | 219.43 |
| -59 | 2432939 | 1949-01-22 | 218.28 |
| -58 | 2433142 | 1949-08-13 | 217.78 |
| -57 | 2433363 | 1950-03-22 | 217.36 |
| -56 | 2433573 | 1950-10-18 | 216.14 |
| -55 | 2433789 | 1951-05-22 | 216.14 |
| -54 | 2434004 | 1951-12-23 | 217.64 |
| -53 | 2434227 | 1952-08-02 | 218.86 |
| -52 | 2434445 | 1953-03-08 | 219.57 |
| -51 | 2434662 | 1953-10-11 | 219.86 |
| -50 | 2434890 | 1954-05-27 | 220.36 |
| -49 | 2435110 | 1955-01-02 | 220.79 |
| -48 | 2435326 | 1955-08-06 | 220.93 |
| -47 | 2435545 | 1956-03-12 | 220.22 |
| -46 | 2435771 | 1956-10-24 | 219.86 |
| -45 | 2435992 | 1957-06-02 | 219.93 |
| -44 | 2436208 | 1958-01-04 | 219.93 |
| -43 | 2436427 | 1958-08-11 | 219.14 |
| -42 | 2436651 | 1959-03-23 | 217.71 |
| -41 | 2436864 | 1959-10-22 | 217.21 |
| -40 | 2437086 | 1960-05-31 | 217.5 |
| -39 | 2437298 | 1960-12-29 | 217.28 |
| -38 | 2437513 | 1961-08-01 | 216.78 |
| -37 | 2437728 | 1962-03-04 | 216 |
| -36 | 2437952 | 1962-10-14 | 215.79 |
| -35 | 2438168 | 1963-05-18 | 216.64 |
| -34 | 2438382 | 1963-12-18 | 217.07 |
| -33 | 2438592 | 1964-07-15 | 217.14 |
| -32 | 2438813 | 1965-02-21 | 217.07 |
| -31 | 2439031 | 1965-09-27 | 217.36 |
| -30 | 2439249 | 1966-05-03 | 218.22 |
| -29 | 2439471 | 1966-12-11 | 219.14 |
| -28 | 2439688 | 1967-07-16 | 219.72 |
| -27 | 2439905 | 1968-02-18 | 219.79 |
| -26 | 2440124 | 1968-09-24 | 219.43 |
| -25 | 2440349 | 1969-05-07 | 219.07 |
| -24 | 2440571 | 1969-12-15 | 218.64 |
| -23 | 2440786 | 1970-07-18 | 218.36 |
| -22 | 2441006 | 1971-02-23 | 217.85 |
| -21 | 2441220 | 1971-09-25 | 217.57 |
| -20 | 2441434 | 1972-04-26 | 217.64 |
| -19 | 2441652 | 1972-11-30 | 218.22 |
| -18 | 2441871 | 1973-07-07 | 218.79 |
| -17 | 2442095 | 1974-02-16 | 218.57 |
| -16 | 2442309 | 1974-09-18 | 218.72 |
| -15 | 2442538 | 1975-05-05 | 218.93 |
| -14 | 2442751 | 1975-12-04 | 218.57 |
| -13 | 2442963 | 1976-07-03 | 218.07 |
| -12 | 2443185 | 1977-02-10 | 217.14 |
| -11 | 2443403 | 1977-09-16 | 217.21 |
| -10 | 2443623 | 1978-04-24 | 219 |
| -9 | 2443834 | 1978-11-21 | 219.49 |
| -8 | 2444053 | 1979-06-28 | 218.78 |
| -7 | 2444277 | 1980-02-07 | 218.64 |
| -6 | 2444503 | 1980-09-20 | 219.29 |
| -5 | 2444718 | 1981-04-23 | 219.72 |
| -4 | 2444933 | 1981-11-24 | 219 |
| -3 | 2445154 | 1982-07-03 | 218.07 |
| -2 | 2445373 | 1983-02-07 | 217.64 |
| -1 | 2445590 | 1983-09-12 | 218.36 |
| 0 | 2445806 | 1984-04-15 | 218.5 |
| 1 | 2446027 | 1984-11-22 | 217.93 |
| 2 | 2446241 | 1985-06-24 | 218.36 |
| 3 | 2446467 | 1986-02-05 | 218.86 |
| 4 | 2446679 | 1986-09-05 | 218.79 |
| 5 | 2446899 | 1987-04-13 | 218.43 |
| 6 | 2447121 | 1987-11-21 | 217.36 |
| 7 | 2447339 | 1988-06-26 | 216.57 |
| 8 | 2447557 | 1989-01-30 | 217.07 |
| 9 | 2447769 | 1989-08-30 | 217.28 |
| 10 | 2447982 | 1990-03-31 | 217.36 |
| 11 | 2448196 | 1990-10-31 | 216.42 |
| 12 | 2448421 | 1991-06-13 | 215.71 |
| 13 | 2448641 | 1992-01-19 | 216.29 |
| 14 | 2448862 | 1992-08-27 | 216.72 |
| 15 | 2449064 | 1993-03-17 | 215.93 |
| 16 | 2449282 | 1993-10-21 | 214.79 |
| 17 | 2449497 | 1994-05-24 | 214.29 |
| 18 | 2449715 | 1994-12-28 | 215.22 |
| 19 | 2449925 | 1995-07-26 | 216.72 |
| 20 | 2450144 | 1996-03-01 | 217.29 |
| 21 | 2450359 | 1996-10-02 | 217.07 |
| 22 | 2450580 | 1997-05-11 | 216.99 |
| 23 | 2450800 | 1997-12-17 | 217.57 |
| 24 | 2451021 | 1998-07-26 | 218.14 |
| 25 | 2451230 | 1999-02-20 | 217.93 |
| 26 | 2451448 | 1999-09-26 | 216.57 |
| 27 | 2451667 | 2000-05-02 | 215.86 |
| 28 | 2451890 | 2000-12-11 | 216.57 |
| 29 | 2452100 | 2001-07-09 | 217.43 |
| 30 | 2452312 | 2002-02-06 | 219 |
| 31 | 2452531 | 2002-09-13 | 218.72 |
| 32 | 2452752 | 2003-04-22 | 217.5 |
| 33 | 2452970 | 2003-11-26 | 218 |
| 34 | 2453211 | 2004-07-24 | 218.14 |
| 35 | 2453408 | 2005-02-06 | 218.57 |
| 36 | 2453627 | 2005-09-13 | 218.86 |
| 37 | 2453837 | 2006-04-11 | 217.07 |
| 38 | 2454060 | 2006-11-20 | 217.21 |
| 39 | 2454283 | 2007-07-01 | 219.14 |
| 40 | 2454503 | 2008-02-06 | 219.22 |
| 41 | 2454717 | 2008-09-07 | 219.21 |
| 42 | 2454943 | 2009-04-21 | 218.35 |
| 43 | 2455160 | 2009-11-24 | 217.43 |
| 44 | 2455373 | 2010-06-25 | 217.5 |
| 45 | 2455593 | 2011-01-31 | 217.36 |
| 46 | 2455807 | 2011-09-02 | 216.93 |
| 47 | 2456023 | 2012-04-05 | 217.79 |
| 48 | 2456242 | 2012-11-10 | 218 |
| 49 | 2456461 | 2013-06-17 | 217.79 |
| 50 | 2456679 | 2014-01-21 | 218.43 |
| 51 | 2456903 | 2014-09-02 | 219 |
| 52 | 2457115 | 2015-04-02 | 218.86 |
| 53 | 2457334 | 2015-11-07 | 218.64 |
| 54 | 2457554 | 2016-06-14 | 218.5 |
| 55 | 2457777 | 2017-01-23 | 218.86 |
| 56 | 2457990 | 2017-08-24 | 219.86 |
| 57 | 2458211 | 2018-04-02 | 219.07 |
| 58 | 2458430 | 2018-11-07 | 218.07 |
| 59 | 2458652 | 2019-06-17 | 218.35 |
| 60 | 2458875 | 2020-01-26 | 218.22 |
| 61 | 2459080 | 2020-08-18 | 218.04 |
| 62 | 2459304 | 2021-03-30 | 217.71 |
| 63 | 2459520 | 2021-11-01 | 215.5 |
| 64 | 2459736 | 2022-06-05 | 214 |
| 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. |