| E | O (JD) | O (dat) | Period |
| -162 | 2414670 | 1899-01-15 | 155.61 |
| -157 | 2415450 | 1901-03-06 | 155.62 |
| -152 | 2416220 | 1903-04-15 | 155.55 |
| -118 | 2421510 | 1917-10-08 | 155.52 |
| -92 | 2425560 | 1928-11-09 | 155.54 |
| -85 | 2426650 | 1931-11-04 | 155.58 |
| -80 | 2427420 | 1933-12-13 | 155.65 |
| -75 | 2428204 | 1936-02-05 | 155.72 |
| -73 | 2428514 | 1936-12-11 | 155.72 |
| -71 | 2428826 | 1937-10-19 | 155.57 |
| -70 | 2428983 | 1938-03-25 | 155.14 |
| -68 | 2429299 | 1939-02-04 | 155.21 |
| -66 | 2429607 | 1939-12-09 | 155.66 |
| -64 | 2429908 | 1940-10-05 | 155.6 |
| -63 | 2430060 | 1941-03-06 | 155.7 |
| -61 | 2430383 | 1942-01-23 | 155.83 |
| -54 | 2431471 | 1945-01-15 | 156.07 |
| -42 | 2433340 | 1950-02-27 | 156.24 |
| -35 | 2434440 | 1953-03-03 | 156.27 |
| -28 | 2435530 | 1956-02-26 | 156.3 |
| -2 | 2439592 | 1967-04-11 | 156.31 |
| 0 | 2439906 | 1968-02-19 | 156.28 |
| 7 | 2441009 | 1971-02-26 | 156.28 |
| 9 | 2441320 | 1972-01-03 | 156.16 |
| 11 | 2441623 | 1972-11-01 | 155.98 |
| 14 | 2442098 | 1974-02-19 | 155.34 |
| 16 | 2442406 | 1974-12-24 | 154.67 |
| 18 | 2442710 | 1975-10-24 | 155.02 |
| 23 | 2443495 | 1977-12-17 | 154.95 |
| 28 | 2444255 | 1980-01-16 | 154.91 |
| 31 | 2444725 | 1981-04-30 | 155.21 |
| 33 | 2445039 | 1982-03-10 | 155.24 |
| 35 | 2445345 | 1983-01-10 | 155.61 |
| 38 | 2445820 | 1984-04-29 | 155.85 |
| 39 | 2445970 | 1984-09-26 | 155.48 |
| 40 | 2446134 | 1985-03-09 | 155.37 |
| 42 | 2446440 | 1986-01-09 | 154.87 |
| 44 | 2446748 | 1986-11-13 | 154.46 |
| 45 | 2446903 | 1987-04-17 | 154.67 |
| 47 | 2447210 | 1988-02-18 | 154.71 |
| 49 | 2447517 | 1988-12-21 | 154.76 |
| 52 | 2447980 | 1990-03-29 | 154.67 |
| 54 | 2448300 | 1991-02-12 | 154.86 |
| 59 | 2449070 | 1993-03-23 | 155.34 |
| 61 | 2449380 | 1994-01-27 | 155.94 |
| 64 | 2449839 | 1995-05-01 | 156 |
| 65 | 2450004 | 1995-10-13 | 155.7 |
| 66 | 2450160 | 1996-03-17 | 155.66 |
| 67 | 2450327 | 1996-08-31 | 155.59 |
| 68 | 2450477 | 1997-01-28 | 155.7 |
| 75 | 2451564 | 2000-01-20 | 155.47 |
| 80 | 2452334 | 2002-02-28 | 155.08 |
| 82 | 2452642 | 2003-01-02 | 154.97 |
| 84 | 2452962 | 2003-11-18 | 155.18 |
| 85 | 2453110 | 2004-04-14 | 155.64 |
| 86 | 2453270 | 2004-09-21 | 156.38 |
| 87 | 2453423 | 2005-02-21 | 155.9 |
| 89 | 2453739 | 2006-01-03 | 155.48 |
| 91 | 2454050 | 2006-11-10 | 155.54 |
| 92 | 2454210 | 2007-04-19 | 155.52 |
| 94 | 2454512 | 2008-02-15 | 155.5 |
| 96 | 2454825 | 2008-12-24 | 155.17 |
| 99 | 2455288 | 2010-04-01 | 155.13 |
| 101 | 2455604 | 2011-02-11 | 155.63 |
| 103 | 2455912 | 2011-12-16 | 155.88 |
| 106 | 2456377 | 2013-03-25 | 155.9 |
| 108 | 2456692 | 2014-02-03 | 156.04 |
| 110 | 2457010 | 2014-12-18 | 156.08 |
| 112 | 2457315 | 2015-10-19 | 156.3 |
| 113 | 2457475 | 2016-03-27 | 156.32 |
| 114 | 2457630 | 2016-08-29 | 156.24 |
| 115 | 2457788 | 2017-02-03 | 156.11 |
| 117 | 2458096 | 2017-12-08 | 155.94 |
| 119 | 2458412 | 2018-10-20 | 155.32 |
| 120 | 2458571 | 2019-03-28 | 155.71 |
| 121 | 2458720 | 2019-08-24 | 156.05 |
| 122 | 2458877 | 2020-01-28 | 156 |
| 124 | 2459179 | 2020-11-25 | 155.84 |
| 126 | 2459509 | 2021-10-21 | 155.49 |
| 127 | 2459652 | 2022-03-13 | 156.11 |
| 128 | 2459820 | 2022-08-28 | 156 |
| 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. |