| E | O (JD) | O (dat) | Period |
| -113 | 2418010 | 1908-03-09 | 346.92 |
| -112 | 2418370 | 1909-03-04 | 348.67 |
| -111 | 2418710 | 1910-02-07 | 350.49 |
| -109 | 2419400 | 1911-12-29 | 351.06 |
| -108 | 2419750 | 1912-12-13 | 349.41 |
| -107 | 2420110 | 1913-12-08 | 348.96 |
| -106 | 2420460 | 1914-11-23 | 349.36 |
| -105 | 2420821 | 1915-11-19 | 349.17 |
| -88 | 2426740 | 1932-02-02 | 348.7 |
| -87 | 2427090 | 1933-01-17 | 348.43 |
| -86 | 2427440 | 1934-01-02 | 347.93 |
| -85 | 2427772 | 1934-11-30 | 347.4 |
| -84 | 2428128 | 1935-11-21 | 346.93 |
| -83 | 2428470 | 1936-10-28 | 347.22 |
| -82 | 2428816 | 1937-10-09 | 348 |
| -81 | 2429167 | 1938-09-25 | 347.82 |
| -80 | 2429520 | 1939-09-13 | 347.49 |
| -70 | 2432996 | 1949-03-20 | 347.47 |
| -68 | 2433700 | 1951-02-22 | 347.54 |
| -44 | 2442026 | 1973-12-09 | 347.45 |
| -43 | 2442371 | 1974-11-19 | 347.35 |
| -42 | 2442713 | 1975-10-27 | 347.37 |
| -41 | 2443073 | 1976-10-21 | 347.72 |
| -40 | 2443410 | 1977-09-23 | 348.19 |
| -39 | 2443768 | 1978-09-16 | 349.06 |
| -37 | 2444465 | 1980-08-13 | 348.06 |
| -36 | 2444822 | 1981-08-05 | 346.81 |
| -35 | 2445146 | 1982-06-25 | 347.63 |
| -34 | 2445523 | 1983-07-07 | 345.8 |
| -33 | 2445832 | 1984-05-11 | 344.64 |
| -32 | 2446200 | 1985-05-14 | 344.43 |
| -31 | 2446540 | 1986-04-19 | 343.57 |
| -30 | 2446880 | 1987-03-25 | 345.36 |
| -29 | 2447232 | 1988-03-11 | 347.29 |
| -28 | 2447558 | 1989-01-31 | 346.5 |
| -27 | 2447921 | 1990-01-29 | 348.07 |
| -26 | 2448269 | 1991-01-12 | 349 |
| -25 | 2448625 | 1992-01-03 | 350.29 |
| -24 | 2448966 | 1992-12-09 | 351.64 |
| -23 | 2449327 | 1993-12-05 | 350.57 |
| -22 | 2449671 | 1994-11-14 | 350 |
| -21 | 2450023 | 1995-11-01 | 351.21 |
| -20 | 2450379 | 1996-10-22 | 350.5 |
| -19 | 2450719 | 1997-09-27 | 349.71 |
| -18 | 2451075 | 1998-09-18 | 350.21 |
| -17 | 2451433 | 1999-09-11 | 349.86 |
| -16 | 2451767 | 2000-08-10 | 349.57 |
| -15 | 2452127 | 2001-08-05 | 348.57 |
| -14 | 2452470 | 2002-07-14 | 347.36 |
| -13 | 2452830 | 2003-07-09 | 347.93 |
| -12 | 2453162 | 2004-06-05 | 347.79 |
| -11 | 2453512 | 2005-05-21 | 347.29 |
| -10 | 2453859 | 2006-05-03 | 347.36 |
| -9 | 2454212 | 2007-04-21 | 346.79 |
| -8 | 2454551 | 2008-03-25 | 347.14 |
| -7 | 2454908 | 2009-03-17 | 347.79 |
| -6 | 2455255 | 2010-02-27 | 347.07 |
| -5 | 2455592 | 2011-01-30 | 346.86 |
| -4 | 2455942 | 2012-01-15 | 347.14 |
| -3 | 2456298 | 2013-01-05 | 347.21 |
| -2 | 2456632 | 2013-12-05 | 349.57 |
| -1 | 2456987 | 2014-11-25 | 350.36 |
| 0 | 2457332 | 2015-11-05 | 348.07 |
| 1 | 2457692 | 2016-10-30 | 348.71 |
| 2 | 2458049 | 2017-10-22 | 349.07 |
| 3 | 2458390 | 2018-09-28 | 346.43 |
| 4 | 2458723 | 2019-08-27 | 345.84 |
| 5 | 2459089 | 2020-08-27 | 343.91 |
| 6 | 2459417 | 2021-07-21 | 341.92 |
| 7 | 2459752 | 2022-06-21 | 342.1 |
| 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. |