| E | O (JD) | O (dat) | Period |
| -87 | 2411220 | 1889-08-05 | 199.86 |
| -82 | 2412230 | 1892-05-11 | 200.05 |
| -78 | 2413030 | 1894-07-20 | 200.14 |
| -75 | 2413630 | 1896-03-11 | 200.27 |
| -73 | 2414020 | 1897-04-05 | 200.6 |
| -69 | 2414820 | 1899-06-14 | 200.72 |
| -67 | 2415230 | 1900-07-29 | 201.07 |
| -65 | 2415630 | 1901-09-02 | 201.4 |
| -64 | 2415835 | 1902-03-26 | 201.91 |
| -62 | 2416250 | 1903-05-15 | 202.43 |
| -60 | 2416645 | 1904-06-13 | 202.55 |
| -59 | 2416860 | 1905-01-14 | 202.41 |
| -58 | 2417045 | 1905-07-18 | 202.28 |
| -57 | 2417255 | 1906-02-13 | 201.81 |
| -56 | 2417455 | 1906-09-01 | 201.15 |
| -55 | 2417655 | 1907-03-20 | 201.05 |
| -53 | 2418065 | 1908-05-03 | 200.76 |
| -51 | 2418465 | 1909-06-07 | 200.54 |
| -49 | 2418865 | 1910-07-12 | 200.27 |
| -47 | 2419260 | 1911-08-11 | 200.32 |
| -44 | 2419865 | 1913-04-07 | 200.41 |
| -42 | 2420265 | 1914-05-12 | 200.61 |
| -40 | 2420655 | 1915-06-06 | 200.94 |
| -38 | 2421063 | 1916-07-18 | 201.24 |
| -33 | 2422070 | 1919-04-21 | 201.53 |
| -31 | 2422475 | 1920-05-30 | 201.72 |
| -27 | 2423285 | 1922-08-18 | 202.15 |
| -24 | 2423890 | 1924-04-14 | 202.37 |
| -22 | 2424295 | 1925-05-24 | 202.45 |
| -20 | 2424700 | 1926-07-03 | 202.67 |
| -17 | 2425305 | 1928-02-28 | 202.57 |
| -11 | 2426530 | 1931-07-07 | 202.42 |
| -8 | 2427130 | 1933-02-26 | 201.94 |
| -6 | 2427540 | 1934-04-12 | 201.46 |
| -4 | 2427950 | 1935-05-27 | 201 |
| -2 | 2428340 | 1936-06-20 | 200.42 |
| 0 | 2428740 | 1937-07-25 | 199.16 |
| 2 | 2429120 | 1938-08-09 | 198.34 |
| 3 | 2429320 | 1939-02-25 | 197.51 |
| 5 | 2429728 | 1940-04-08 | 197.14 |
| 7 | 2430131 | 1941-05-16 | 197.13 |
| 9 | 2430515 | 1942-06-04 | 196.83 |
| 11 | 2430902 | 1943-06-26 | 196.57 |
| 13 | 2431294 | 1944-07-22 | 196.06 |
| 14 | 2431495 | 1945-02-08 | 195.81 |
| 15 | 2431690 | 1945-08-22 | 196.65 |
| 16 | 2431880 | 1946-02-28 | 198.08 |
| 17 | 2432070 | 1946-09-06 | 199.31 |
| 18 | 2432275 | 1947-03-30 | 200.51 |
| 20 | 2432680 | 1948-05-08 | 202.18 |
| 22 | 2433087 | 1949-06-19 | 202.39 |
| 24 | 2433485 | 1950-07-22 | 202.48 |
| 26 | 2433890 | 1951-08-31 | 202.41 |
| 27 | 2434105 | 1952-04-02 | 202.33 |
| 60 | 2440780 | 1970-07-12 | 202.24 |
| 74 | 2443615 | 1978-04-16 | 202.17 |
| 76 | 2444020 | 1979-05-26 | 202.14 |
| 79 | 2444610 | 1981-01-05 | 201.98 |
| 80 | 2444810 | 1981-07-24 | 201.73 |
| 81 | 2445000 | 1982-01-30 | 200.76 |
| 82 | 2445205 | 1982-08-23 | 199.94 |
| 83 | 2445410 | 1983-03-16 | 200.12 |
| 85 | 2445798 | 1984-04-07 | 200.74 |
| 87 | 2446209 | 1985-05-23 | 200.93 |
| 89 | 2446615 | 1986-07-03 | 201.27 |
| 90 | 2446820 | 1987-01-24 | 200.71 |
| 91 | 2447010 | 1987-08-02 | 200.03 |
| 92 | 2447215 | 1988-02-23 | 199.79 |
| 93 | 2447415 | 1988-09-10 | 198.95 |
| 94 | 2447620 | 1989-04-03 | 198.63 |
| 96 | 2448006 | 1990-04-24 | 198.7 |
| 98 | 2448399 | 1991-05-22 | 198.61 |
| 100 | 2448805 | 1992-07-01 | 198.17 |
| 102 | 2449200 | 1993-07-31 | 197.99 |
| 103 | 2449400 | 1994-02-16 | 197.63 |
| 104 | 2449603 | 1994-09-07 | 197.24 |
| 105 | 2449791 | 1995-03-14 | 196.98 |
| 107 | 2450184 | 1996-04-10 | 196.5 |
| 109 | 2450582 | 1997-05-13 | 197 |
| 111 | 2450970 | 1998-06-05 | 197.45 |
| 113 | 2451355 | 1999-06-25 | 198 |
| 115 | 2451761 | 2000-08-04 | 198.57 |
| 116 | 2451953 | 2001-02-12 | 199.12 |
| 120 | 2452760 | 2003-04-30 | 199.62 |
| 122 | 2453159 | 2004-06-02 | 200.59 |
| 123 | 2453365 | 2004-12-25 | 200.93 |
| 124 | 2453561 | 2005-07-09 | 201.05 |
| 127 | 2454163 | 2007-03-03 | 201.26 |
| 129 | 2454564 | 2008-04-07 | 201.46 |
| 138 | 2456381 | 2013-03-29 | 201.71 |
| 140 | 2456779 | 2014-05-01 | 201.85 |
| 141 | 2456985 | 2014-11-23 | 202.17 |
| 142 | 2457189 | 2015-06-15 | 202.44 |
| 143 | 2457400 | 2016-01-12 | 202.85 |
| 144 | 2457605 | 2016-08-04 | 203.37 |
| 145 | 2457805 | 2017-02-20 | 203.11 |
| 146 | 2458010 | 2017-09-13 | 202.53 |
| 147 | 2458208 | 2018-03-30 | 201.72 |
| 148 | 2458415 | 2018-10-23 | 200.85 |
| 149 | 2458607 | 2019-05-03 | 200.45 |
| 150 | 2458810 | 2019-11-22 | 200.19 |
| 151 | 2459015 | 2020-06-14 | 199.93 |
| 152 | 2459210 | 2020-12-26 | 199.88 |
| 153 | 2459409 | 2021-07-13 | 199.58 |
| 154 | 2459610 | 2022-01-30 | 200 |
| 155 | 2459809 | 2022-08-17 | 199.4 |
| 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. |