| E | O (JD) | O (dat) | Period |
| -103 | 2412000 | 1891-09-24 | 322.23 |
| -102 | 2412320 | 1892-08-09 | 322.45 |
| -101 | 2412650 | 1893-07-05 | 322.32 |
| -94 | 2414900 | 1899-09-02 | 322.54 |
| -93 | 2415230 | 1900-07-29 | 322.74 |
| -92 | 2415540 | 1901-06-04 | 322.82 |
| -88 | 2416840 | 1904-12-25 | 322.92 |
| -87 | 2417155 | 1905-11-05 | 322.97 |
| -86 | 2417490 | 1906-10-06 | 323.3 |
| -85 | 2417816 | 1907-08-28 | 323.47 |
| -84 | 2418136 | 1908-07-13 | 323.84 |
| -83 | 2418458 | 1909-05-31 | 323.53 |
| -79 | 2419750 | 1912-12-13 | 322.99 |
| -78 | 2420070 | 1913-10-29 | 322.97 |
| -77 | 2420403 | 1914-09-27 | 322.35 |
| -76 | 2420726 | 1915-08-16 | 321.83 |
| -75 | 2421042 | 1916-06-27 | 320.92 |
| -74 | 2421350 | 1917-05-01 | 319.79 |
| -73 | 2421700 | 1918-04-16 | 319.75 |
| -70 | 2422640 | 1920-11-11 | 319.5 |
| -69 | 2422958 | 1921-09-25 | 319.78 |
| -68 | 2423270 | 1922-08-03 | 319.89 |
| -67 | 2423590 | 1923-06-19 | 319.96 |
| -66 | 2423926 | 1924-05-20 | 319.61 |
| -62 | 2425200 | 1927-11-15 | 320.35 |
| -61 | 2425525 | 1928-10-05 | 320.35 |
| -60 | 2425838 | 1929-08-14 | 320.48 |
| -59 | 2426160 | 1930-07-02 | 320.21 |
| -58 | 2426480 | 1931-05-18 | 319.58 |
| -54 | 2427761 | 1934-11-19 | 319.62 |
| -53 | 2428079 | 1935-10-03 | 319.39 |
| -52 | 2428405 | 1936-08-24 | 319.32 |
| -51 | 2428720 | 1937-07-05 | 319.37 |
| -50 | 2429030 | 1938-05-11 | 319.59 |
| -47 | 2429995 | 1940-12-31 | 319.41 |
| -46 | 2430310 | 1941-11-11 | 320.03 |
| -45 | 2430628 | 1942-09-25 | 320.8 |
| -44 | 2430959 | 1943-08-22 | 321.74 |
| -43 | 2431283 | 1944-07-11 | 323 |
| -42 | 2431590 | 1945-05-14 | 324.06 |
| -41 | 2431930 | 1946-04-19 | 324.52 |
| -37 | 2433215 | 1949-10-25 | 325.02 |
| -36 | 2433541 | 1950-09-16 | 324.58 |
| -35 | 2433880 | 1951-08-21 | 324.41 |
| -34 | 2434210 | 1952-07-16 | 324.26 |
| -33 | 2434525 | 1953-05-27 | 322.48 |
| -32 | 2434860 | 1954-04-27 | 321.76 |
| -28 | 2436138 | 1957-10-26 | 320.95 |
| -27 | 2436460 | 1958-09-13 | 320.78 |
| -26 | 2436781 | 1959-07-31 | 320.75 |
| -21 | 2438368 | 1963-12-04 | 320.77 |
| -19 | 2439020 | 1965-09-16 | 320.83 |
| -12 | 2441260 | 1971-11-04 | 321.2 |
| -11 | 2441595 | 1972-10-04 | 321.44 |
| -10 | 2441914 | 1973-08-19 | 321.8 |
| -9 | 2442232 | 1974-07-03 | 322.51 |
| -8 | 2442565 | 1975-06-01 | 322.54 |
| -6 | 2443210 | 1977-03-07 | 322.99 |
| -4 | 2443851 | 1978-12-08 | 322.65 |
| -3 | 2444174 | 1979-10-27 | 322.8 |
| -2 | 2444498 | 1980-09-15 | 322.97 |
| -1 | 2444820 | 1981-08-03 | 322.82 |
| 0 | 2445140 | 1982-06-19 | 322.92 |
| 1 | 2445465 | 1983-05-10 | 322.68 |
| 3 | 2446112 | 1985-02-15 | 322.59 |
| 4 | 2446440 | 1986-01-09 | 322.68 |
| 5 | 2446761 | 1986-11-26 | 322.75 |
| 6 | 2447079 | 1987-10-10 | 322.79 |
| 7 | 2447393 | 1988-08-19 | 322.7 |
| 8 | 2447723 | 1989-07-15 | 322.97 |
| 9 | 2448050 | 1990-06-07 | 322.89 |
| 11 | 2448694 | 1992-03-12 | 323.04 |
| 12 | 2449017 | 1993-01-29 | 323.25 |
| 13 | 2449340 | 1993-12-18 | 323.44 |
| 14 | 2449670 | 1994-11-13 | 322.99 |
| 15 | 2449984 | 1995-09-23 | 323.02 |
| 16 | 2450306 | 1996-08-10 | 323.55 |
| 17 | 2450631 | 1997-07-01 | 323.75 |
| 18 | 2450958 | 1998-05-24 | 323.88 |
| 19 | 2451277 | 1999-04-08 | 323.66 |
| 20 | 2451605 | 2000-03-01 | 323.54 |
| 21 | 2451935 | 2001-01-25 | 323.15 |
| 22 | 2452255 | 2001-12-11 | 322.27 |
| 23 | 2452578 | 2002-10-30 | 321.66 |
| 24 | 2452895 | 2003-09-12 | 321.07 |
| 25 | 2453212 | 2004-07-25 | 320.16 |
| 26 | 2453538 | 2005-06-16 | 319.67 |
| 28 | 2454175 | 2007-03-15 | 319.39 |
| 29 | 2454498 | 2008-02-01 | 319.4 |
| 30 | 2454814 | 2008-12-13 | 319.49 |
| 31 | 2455129 | 2009-10-24 | 319.8 |
| 32 | 2455452 | 2010-09-12 | 319.89 |
| 33 | 2455767 | 2011-07-24 | 320.12 |
| 35 | 2456412 | 2013-04-29 | 320.47 |
| 37 | 2457050 | 2015-01-27 | 320.87 |
| 38 | 2457378 | 2015-12-21 | 321.22 |
| 39 | 2457697 | 2016-11-04 | 321.49 |
| 40 | 2458015 | 2017-09-18 | 322.2 |
| 41 | 2458342 | 2018-08-11 | 322.43 |
| 42 | 2458661 | 2019-06-26 | 322.85 |
| 43 | 2458984 | 2020-05-14 | 323.22 |
| 44 | 2459309 | 2021-04-04 | 323.61 |
| 45 | 2459639 | 2022-02-28 | 323.95 |
| 46 | 2459955 | 2023-01-10 | 323.98 |
| 47 | 2460280 | 2023-12-01 | 324.46 |
| 48 | 2460610 | 2024-10-26 | 324.54 |
| 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. |