| E | O (JD) | O (dat) | Period |
| -104 | 2414620 | 1898-11-26 | 285.78 |
| -102 | 2415180 | 1900-06-09 | 286.15 |
| -101 | 2415470 | 1901-03-26 | 285.73 |
| -100 | 2415751 | 1902-01-01 | 286.19 |
| -99 | 2416040 | 1902-10-17 | 286.36 |
| -97 | 2416620 | 1904-05-19 | 286.21 |
| -96 | 2416904 | 1905-02-27 | 286.69 |
| -95 | 2417181 | 1905-12-01 | 286.58 |
| -94 | 2417480 | 1906-09-26 | 286.73 |
| -92 | 2418050 | 1908-04-18 | 286.44 |
| -91 | 2418330 | 1909-01-23 | 286.2 |
| -90 | 2418622 | 1909-11-11 | 286.18 |
| -87 | 2419480 | 1912-03-18 | 285.92 |
| -86 | 2419770 | 1913-01-02 | 285.47 |
| -85 | 2420050 | 1913-10-09 | 285.03 |
| -84 | 2420335 | 1914-07-21 | 284.47 |
| -83 | 2420620 | 1915-05-02 | 283.91 |
| -82 | 2420899 | 1916-02-05 | 284.18 |
| -81 | 2421190 | 1916-11-22 | 284.27 |
| -80 | 2421462 | 1917-08-21 | 284.69 |
| -78 | 2422030 | 1919-03-12 | 284.5 |
| -77 | 2422321 | 1919-12-28 | 284.74 |
| -76 | 2422620 | 1920-10-22 | 284.84 |
| -73 | 2423463 | 1923-02-12 | 284.68 |
| -72 | 2423752 | 1923-11-28 | 284.69 |
| -70 | 2424310 | 1925-06-08 | 284.15 |
| -69 | 2424605 | 1926-03-30 | 283.66 |
| -68 | 2424885 | 1927-01-04 | 283.6 |
| -67 | 2425166 | 1927-10-12 | 283.87 |
| -65 | 2425733 | 1929-05-01 | 284.01 |
| -64 | 2426013 | 1930-02-05 | 284.1 |
| -63 | 2426301 | 1930-11-20 | 283.69 |
| -62 | 2426595 | 1931-09-10 | 284.58 |
| -61 | 2426870 | 1932-06-11 | 285.44 |
| -60 | 2427160 | 1933-03-28 | 285.69 |
| -59 | 2427436 | 1933-12-29 | 285.51 |
| -58 | 2427719 | 1934-10-08 | 284.95 |
| -56 | 2428305 | 1936-05-16 | 284.56 |
| -55 | 2428595 | 1937-03-02 | 284.6 |
| -54 | 2428871 | 1937-12-03 | 284.2 |
| -53 | 2429150 | 1938-09-08 | 284.4 |
| -52 | 2429430 | 1939-06-15 | 283.74 |
| -51 | 2429715 | 1940-03-26 | 282.64 |
| -50 | 2429999 | 1941-01-04 | 282.48 |
| -49 | 2430282 | 1941-10-14 | 283.05 |
| -48 | 2430575 | 1942-08-03 | 282.85 |
| -47 | 2430850 | 1943-05-05 | 282.99 |
| -46 | 2431130 | 1944-02-09 | 283.62 |
| -45 | 2431411 | 1944-11-16 | 284.27 |
| -44 | 2431700 | 1945-09-01 | 284.84 |
| -42 | 2432257 | 1947-03-12 | 284.84 |
| -41 | 2432549 | 1947-12-29 | 286.74 |
| -40 | 2432848 | 1948-10-23 | 287.1 |
| -39 | 2433135 | 1949-08-06 | 287.25 |
| -38 | 2433420 | 1950-05-18 | 287.47 |
| -37 | 2433693 | 1951-02-15 | 287.7 |
| -25 | 2437154 | 1960-08-07 | 287.65 |
| -22 | 2438013 | 1962-12-14 | 287.4 |
| -21 | 2438300 | 1963-09-27 | 287.45 |
| -20 | 2438598 | 1964-07-21 | 287.58 |
| -19 | 2438887 | 1965-05-06 | 287.56 |
| -18 | 2439173 | 1966-02-16 | 285.64 |
| -17 | 2439441 | 1966-11-11 | 283.77 |
| -16 | 2439737 | 1967-09-03 | 282.22 |
| -15 | 2440026 | 1968-06-18 | 281.13 |
| -14 | 2440298 | 1969-03-17 | 280.74 |
| -12 | 2440864 | 1970-10-04 | 281.16 |
| -10 | 2441417 | 1972-04-09 | 281.61 |
| -8 | 2441976 | 1973-10-20 | 281.7 |
| -7 | 2442257 | 1974-07-28 | 282.27 |
| -6 | 2442541 | 1975-05-08 | 283.69 |
| -5 | 2442841 | 1976-03-03 | 284.69 |
| -4 | 2443122 | 1976-12-09 | 286.04 |
| -3 | 2443410 | 1977-09-23 | 286.84 |
| -2 | 2443694 | 1978-07-04 | 286.57 |
| -1 | 2443990 | 1979-04-26 | 286.27 |
| 0 | 2444265 | 1980-01-26 | 286.15 |
| 1 | 2444552 | 1980-11-08 | 286.65 |
| 2 | 2444842 | 1981-08-25 | 286.43 |
| 3 | 2445121 | 1982-05-31 | 286.17 |
| 4 | 2445412 | 1983-03-18 | 285.92 |
| 5 | 2445706 | 1984-01-06 | 286.29 |
| 6 | 2445993 | 1984-10-19 | 285.92 |
| 8 | 2446557 | 1986-05-06 | 285.53 |
| 9 | 2446840 | 1987-02-13 | 285.42 |
| 10 | 2447127 | 1987-11-27 | 284.85 |
| 11 | 2447417 | 1988-09-12 | 284.39 |
| 12 | 2447696 | 1989-06-18 | 284.4 |
| 13 | 2447980 | 1990-03-29 | 284.88 |
| 14 | 2448268 | 1991-01-11 | 284.52 |
| 15 | 2448550 | 1991-10-20 | 284.49 |
| 16 | 2448833 | 1992-07-29 | 284.7 |
| 17 | 2449119 | 1993-05-11 | 284.75 |
| 18 | 2449410 | 1994-02-26 | 284.68 |
| 19 | 2449683 | 1994-11-26 | 284.59 |
| 20 | 2449976 | 1995-09-15 | 284.15 |
| 21 | 2450264 | 1996-06-29 | 283.52 |
| 22 | 2450540 | 1997-04-01 | 283.14 |
| 23 | 2450827 | 1998-01-13 | 283.11 |
| 24 | 2451112 | 1998-10-25 | 283.68 |
| 25 | 2451385 | 1999-07-25 | 283.53 |
| 26 | 2451666 | 2000-05-01 | 284.07 |
| 27 | 2451955 | 2001-02-14 | 284.75 |
| 28 | 2452244 | 2001-11-30 | 284.83 |
| 29 | 2452533 | 2002-09-15 | 284.81 |
| 30 | 2452814 | 2003-06-23 | 285.12 |
| 31 | 2453104 | 2004-04-08 | 285.15 |
| 32 | 2453387 | 2005-01-16 | 284.96 |
| 33 | 2453667 | 2005-10-23 | 284.94 |
| 34 | 2453946 | 2006-07-29 | 285.15 |
| 35 | 2454235 | 2007-05-14 | 285.56 |
| 36 | 2454526 | 2008-02-29 | 285.74 |
| 37 | 2454812 | 2008-12-11 | 286.21 |
| 38 | 2455098 | 2009-09-23 | 286.63 |
| 39 | 2455385 | 2010-07-07 | 286.79 |
| 40 | 2455671 | 2011-04-19 | 286.9 |
| 41 | 2455956 | 2012-01-29 | 287.23 |
| 42 | 2456243 | 2012-11-11 | 287.64 |
| 43 | 2456530 | 2013-08-25 | 288.26 |
| 44 | 2456817 | 2014-06-08 | 288.58 |
| 45 | 2457111 | 2015-03-29 | 289.25 |
| 46 | 2457402 | 2016-01-14 | 290.23 |
| 47 | 2457688 | 2016-10-26 | 290.46 |
| 48 | 2457982 | 2017-08-16 | 290.75 |
| 49 | 2458266 | 2018-05-27 | 290.67 |
| 50 | 2458563 | 2019-03-20 | 290.73 |
| 51 | 2458862 | 2020-01-13 | 290.98 |
| 52 | 2459142 | 2020-10-19 | 290.88 |
| 53 | 2459436 | 2021-08-09 | 290.77 |
| 54 | 2459722 | 2022-05-22 | 290.83 |
| 55 | 2460019 | 2023-03-15 | 290.23 |
| 56 | 2460311 | 2024-01-01 | 289.89 |
| 57 | 2460594 | 2024-10-10 | 290.91 |
| 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. |