| E | O (JD) | O (dat) | Period |
| -96 | 2414665 | 1899-01-10 | 304.35 |
| -91 | 2416180 | 1903-03-06 | 304.38 |
| -90 | 2416480 | 1903-12-31 | 304.41 |
| -89 | 2416800 | 1904-11-15 | 304.13 |
| -88 | 2417100 | 1905-09-11 | 303.89 |
| -85 | 2418010 | 1908-03-09 | 304.14 |
| -84 | 2418315 | 1909-01-08 | 304.29 |
| -83 | 2418620 | 1909-11-09 | 303.96 |
| -79 | 2419830 | 1913-03-03 | 303.9 |
| -78 | 2420130 | 1913-12-28 | 304.36 |
| -77 | 2420450 | 1914-11-13 | 304.68 |
| -76 | 2420750 | 1915-09-09 | 305.37 |
| -73 | 2421652 | 1918-02-27 | 305.6 |
| -72 | 2421970 | 1919-01-11 | 306.18 |
| -71 | 2422280 | 1919-11-17 | 306.1 |
| -67 | 2423495 | 1923-03-16 | 305.62 |
| -66 | 2423820 | 1924-02-04 | 305.57 |
| -65 | 2424110 | 1924-11-20 | 305.45 |
| -64 | 2424425 | 1925-10-01 | 304.96 |
| -61 | 2425335 | 1928-03-29 | 304.65 |
| -60 | 2425630 | 1929-01-18 | 304.42 |
| -59 | 2425935 | 1929-11-19 | 303.89 |
| -55 | 2427160 | 1933-03-28 | 304.09 |
| -54 | 2427465 | 1934-01-27 | 303.72 |
| -53 | 2427766 | 1934-11-24 | 303.58 |
| -52 | 2428070 | 1935-09-24 | 303.69 |
| -49 | 2428975 | 1938-03-17 | 303.31 |
| -48 | 2429284 | 1939-01-20 | 303.2 |
| -47 | 2429580 | 1939-11-12 | 303.88 |
| -46 | 2429880 | 1940-09-07 | 304.22 |
| -43 | 2430800 | 1943-03-16 | 304.92 |
| -42 | 2431097 | 1944-01-07 | 305.22 |
| -41 | 2431412 | 1944-11-17 | 305.15 |
| -40 | 2431730 | 1945-10-01 | 305.39 |
| -37 | 2432630 | 1948-03-19 | 305.05 |
| -36 | 2432949 | 1949-02-01 | 305.08 |
| -35 | 2433240 | 1949-11-19 | 304.81 |
| -31 | 2434460 | 1953-03-23 | 305.03 |
| -30 | 2434770 | 1954-01-27 | 305.12 |
| -25 | 2436285 | 1958-03-22 | 305.36 |
| -24 | 2436605 | 1959-02-05 | 305.35 |
| -12 | 2440250 | 1969-01-28 | 305.51 |
| -11 | 2440580 | 1969-12-24 | 305.44 |
| -10 | 2440880 | 1970-10-20 | 305.38 |
| -7 | 2441797 | 1973-04-24 | 305.36 |
| -6 | 2442099 | 1974-02-20 | 304.67 |
| -5 | 2442403 | 1974-12-21 | 304.06 |
| -4 | 2442700 | 1975-10-14 | 303.03 |
| -3 | 2443010 | 1976-08-19 | 302.78 |
| -2 | 2443310 | 1977-06-15 | 301.95 |
| -1 | 2443600 | 1978-04-01 | 302.53 |
| 0 | 2443916 | 1979-02-11 | 303.31 |
| 1 | 2444219 | 1979-12-11 | 303.83 |
| 2 | 2444516 | 1980-10-03 | 304.4 |
| 4 | 2445115 | 1982-05-25 | 304.71 |
| 5 | 2445435 | 1983-04-10 | 305.34 |
| 6 | 2445746 | 1984-02-15 | 305.26 |
| 7 | 2446045 | 1984-12-10 | 305.73 |
| 8 | 2446358 | 1985-10-19 | 306.16 |
| 9 | 2446650 | 1986-08-07 | 305.72 |
| 11 | 2447270 | 1988-04-18 | 305.13 |
| 12 | 2447574 | 1989-02-16 | 305.02 |
| 13 | 2447882 | 1989-12-21 | 305.22 |
| 14 | 2448188 | 1990-10-23 | 304.57 |
| 15 | 2448480 | 1991-08-11 | 304.83 |
| 16 | 2448795 | 1992-06-21 | 304.84 |
| 17 | 2449099 | 1993-04-21 | 305.04 |
| 18 | 2449405 | 1994-02-21 | 305.22 |
| 19 | 2449696 | 1994-12-09 | 305.4 |
| 20 | 2450012 | 1995-10-21 | 305.66 |
| 21 | 2450327 | 1996-08-31 | 305.25 |
| 22 | 2450626 | 1997-06-26 | 305.81 |
| 23 | 2450932 | 1998-04-28 | 305.31 |
| 24 | 2451234 | 1999-02-24 | 305.31 |
| 25 | 2451539 | 1999-12-26 | 305.2 |
| 26 | 2451844 | 2000-10-26 | 305.45 |
| 27 | 2452160 | 2001-09-07 | 305.8 |
| 28 | 2452445 | 2002-06-19 | 306.75 |
| 29 | 2452758 | 2003-04-28 | 306.66 |
| 30 | 2453077 | 2004-03-12 | 306.25 |
| 31 | 2453382 | 2005-01-11 | 306.25 |
| 32 | 2453680 | 2005-11-05 | 306.21 |
| 33 | 2454005 | 2006-09-26 | 307.17 |
| 34 | 2454291 | 2007-07-09 | 306.62 |
| 35 | 2454593 | 2008-05-06 | 305.95 |
| 36 | 2454908 | 2009-03-17 | 306.39 |
| 37 | 2455215 | 2010-01-18 | 307.11 |
| 38 | 2455532 | 2010-12-01 | 307.37 |
| 39 | 2455831 | 2011-09-26 | 308.09 |
| 40 | 2456130 | 2012-07-21 | 308.15 |
| 42 | 2456752 | 2014-04-04 | 307.93 |
| 43 | 2457067 | 2015-02-13 | 307.94 |
| 44 | 2457375 | 2015-12-18 | 308.1 |
| 45 | 2457676 | 2016-10-14 | 308.7 |
| 46 | 2457988 | 2017-08-22 | 308.88 |
| 47 | 2458296 | 2018-06-26 | 308.53 |
| 48 | 2458603 | 2019-04-29 | 308.36 |
| 49 | 2458916 | 2020-03-07 | 308.62 |
| 50 | 2459224 | 2021-01-09 | 309.05 |
| 51 | 2459531 | 2021-11-12 | 308.82 |
| 52 | 2459840 | 2022-09-17 | 308.91 |
| 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. |