| E | O (JD) | O (dat) | Period |
| -95 | 2411510 | 1890-05-22 | 304.19 |
| -89 | 2413330 | 1895-05-16 | 303.89 |
| -87 | 2413934 | 1897-01-09 | 303.61 |
| -83 | 2415160 | 1900-05-20 | 303.24 |
| -82 | 2415470 | 1901-03-26 | 302.93 |
| -81 | 2415760 | 1902-01-10 | 302.67 |
| -80 | 2416060 | 1902-11-06 | 301.38 |
| -78 | 2416665 | 1904-07-03 | 300.42 |
| -77 | 2416960 | 1905-04-24 | 299.02 |
| -76 | 2417260 | 1906-02-18 | 298.78 |
| -75 | 2417560 | 1906-12-15 | 298.66 |
| -72 | 2418450 | 1909-05-23 | 298.03 |
| -71 | 2418756 | 1910-03-25 | 297.51 |
| -70 | 2419050 | 1911-01-13 | 297.1 |
| -69 | 2419350 | 1911-11-09 | 296.9 |
| -67 | 2419940 | 1913-06-21 | 296.53 |
| -66 | 2420230 | 1914-04-07 | 296.69 |
| -65 | 2420530 | 1915-02-01 | 296.83 |
| -64 | 2420820 | 1915-11-18 | 297.56 |
| -61 | 2421720 | 1918-05-06 | 298.34 |
| -60 | 2422010 | 1919-02-20 | 299.44 |
| -59 | 2422320 | 1919-12-27 | 300.88 |
| -56 | 2423210 | 1922-06-04 | 302.03 |
| -55 | 2423520 | 1923-04-10 | 303.46 |
| -54 | 2423827 | 1924-02-11 | 304.81 |
| -53 | 2424135 | 1924-12-15 | 305.51 |
| -49 | 2425352 | 1928-04-15 | 305.98 |
| -48 | 2425663 | 1929-02-20 | 306.88 |
| -47 | 2425980 | 1930-01-03 | 306.67 |
| -46 | 2426290 | 1930-11-09 | 305.81 |
| -44 | 2426890 | 1932-07-01 | 304.78 |
| -43 | 2427200 | 1933-05-07 | 303.72 |
| -42 | 2427509 | 1934-03-12 | 303.02 |
| -41 | 2427810 | 1935-01-07 | 302.45 |
| -37 | 2429015 | 1938-04-26 | 302.05 |
| -36 | 2429309 | 1939-02-14 | 302.45 |
| -35 | 2429610 | 1939-12-12 | 302.79 |
| -34 | 2429920 | 1940-10-17 | 303.38 |
| -32 | 2430525 | 1942-06-14 | 304.13 |
| -31 | 2430821 | 1943-04-06 | 305.5 |
| -30 | 2431145 | 1944-02-24 | 305.82 |
| -29 | 2431454 | 1944-12-29 | 305.87 |
| -28 | 2431760 | 1945-10-31 | 305.93 |
| -26 | 2432360 | 1947-06-23 | 305.17 |
| -25 | 2432674 | 1948-05-02 | 305.35 |
| -24 | 2432971 | 1949-02-23 | 304.5 |
| -23 | 2433279 | 1949-12-28 | 304.21 |
| -22 | 2433590 | 1950-11-04 | 304.07 |
| -8 | 2437850 | 1962-07-04 | 303.79 |
| -6 | 2438477 | 1964-03-22 | 303.57 |
| -1 | 2439960 | 1968-04-13 | 303.36 |
| 0 | 2440265 | 1969-02-12 | 303.07 |
| 1 | 2440570 | 1969-12-14 | 302.6 |
| 5 | 2441770 | 1973-03-28 | 301.23 |
| 6 | 2442080 | 1974-02-01 | 300.84 |
| 7 | 2442373 | 1974-11-21 | 301.51 |
| 10 | 2443290 | 1977-05-26 | 301.57 |
| 11 | 2443588 | 1978-03-20 | 301.8 |
| 12 | 2443873 | 1978-12-30 | 302.06 |
| 13 | 2444180 | 1979-11-02 | 301.82 |
| 15 | 2444790 | 1981-07-04 | 302.31 |
| 16 | 2445097 | 1982-05-07 | 302.81 |
| 17 | 2445403 | 1983-03-09 | 303.25 |
| 18 | 2445699 | 1983-12-30 | 304.18 |
| 19 | 2445995 | 1984-10-21 | 304.18 |
| 20 | 2446308 | 1985-08-30 | 304.1 |
| 21 | 2446620 | 1986-07-08 | 303.93 |
| 22 | 2446910 | 1987-04-24 | 304.23 |
| 23 | 2447227 | 1988-03-06 | 304.74 |
| 24 | 2447530 | 1989-01-03 | 304.73 |
| 25 | 2447830 | 1989-10-30 | 304.15 |
| 26 | 2448130 | 1990-08-26 | 303.77 |
| 27 | 2448440 | 1991-07-02 | 304.42 |
| 28 | 2448746 | 1992-05-03 | 304.07 |
| 29 | 2449048 | 1993-03-01 | 303.93 |
| 30 | 2449350 | 1993-12-28 | 303.83 |
| 31 | 2449650 | 1994-10-24 | 303.32 |
| 33 | 2450270 | 1996-07-05 | 303.1 |
| 34 | 2450569 | 1997-04-30 | 303.05 |
| 35 | 2450865 | 1998-02-20 | 303.03 |
| 36 | 2451169 | 1998-12-21 | 303.37 |
| 37 | 2451465 | 1999-10-13 | 303.46 |
| 40 | 2452384 | 2002-04-19 | 303.57 |
| 41 | 2452686 | 2003-02-15 | 304.1 |
| 42 | 2452987 | 2003-12-13 | 304.98 |
| 43 | 2453302 | 2004-10-23 | 305.23 |
| 44 | 2453601 | 2005-08-18 | 305.67 |
| 45 | 2453910 | 2006-06-23 | 305.19 |
| 46 | 2454212 | 2007-04-21 | 305.32 |
| 47 | 2454529 | 2008-03-03 | 305.29 |
| 48 | 2454824 | 2008-12-23 | 305.18 |
| 49 | 2455132 | 2009-10-27 | 305.17 |
| 52 | 2456039 | 2012-04-21 | 304.52 |
| 53 | 2456352 | 2013-02-28 | 304.22 |
| 54 | 2456657 | 2013-12-30 | 304.01 |
| 55 | 2456965 | 2014-11-03 | 304.25 |
| 56 | 2457264 | 2015-08-29 | 303.79 |
| 57 | 2457556 | 2016-06-16 | 303.25 |
| 58 | 2457865 | 2017-04-21 | 302.95 |
| 59 | 2458176 | 2018-02-26 | 303.02 |
| 60 | 2458478 | 2018-12-25 | 302.93 |
| 61 | 2458775 | 2019-10-18 | 303.45 |
| 62 | 2459075 | 2020-08-13 | 303.5 |
| 63 | 2459387 | 2021-06-21 | 303.07 |
| 64 | 2459689 | 2022-04-19 | 302.78 |
| 65 | 2459987 | 2023-02-11 | 303.1 |
| 66 | 2460297 | 2023-12-18 | 303.61 |
| 67 | 2460594 | 2024-10-10 | 303.51 |
| 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. |