| E | O (JD) | O (dat) | Period |
| -106 | 2425322 | 1928-03-16 | 191.23 |
| -104 | 2425701 | 1929-03-30 | 191.43 |
| -103 | 2425882 | 1929-09-27 | 191.97 |
| -101 | 2426277 | 1930-10-27 | 192.44 |
| -99 | 2426656 | 1931-11-10 | 192.13 |
| -94 | 2427615 | 1934-06-26 | 192.14 |
| -92 | 2428006 | 1935-07-22 | 192.15 |
| -86 | 2429171 | 1938-09-29 | 192.12 |
| -12 | 2443370 | 1977-08-14 | 192.22 |
| -10 | 2443758 | 1978-09-06 | 192.18 |
| -8 | 2444140 | 1979-09-23 | 192.04 |
| -6 | 2444528 | 1980-10-15 | 192.07 |
| -4 | 2444920 | 1981-11-11 | 192.23 |
| -2 | 2445294 | 1982-11-20 | 192.39 |
| -1 | 2445490 | 1983-06-04 | 192.23 |
| 1 | 2445874 | 1984-06-22 | 191.58 |
| 3 | 2446252 | 1985-07-05 | 191.66 |
| 5 | 2446648 | 1986-08-05 | 191.82 |
| 7 | 2447018 | 1987-08-10 | 191.97 |
| 9 | 2447411 | 1988-09-06 | 192.08 |
| 11 | 2447786 | 1989-09-16 | 191.65 |
| 13 | 2448177 | 1990-10-12 | 191.38 |
| 14 | 2448370 | 1991-04-23 | 190.63 |
| 15 | 2448558 | 1991-10-28 | 190.82 |
| 16 | 2448750 | 1992-05-07 | 191.2 |
| 17 | 2448935 | 1992-11-08 | 190.5 |
| 18 | 2449116 | 1993-05-08 | 191 |
| 19 | 2449325 | 1993-12-03 | 190.22 |
| 20 | 2449506 | 1994-06-02 | 190.8 |
| 21 | 2449708 | 1994-12-21 | 192.5 |
| 22 | 2449894 | 1995-06-25 | 191.07 |
| 23 | 2450077 | 1995-12-25 | 190.21 |
| 24 | 2450279 | 1996-07-14 | 190.42 |
| 25 | 2450467 | 1997-01-18 | 191 |
| 26 | 2450649 | 1997-07-19 | 192.5 |
| 27 | 2450845 | 1998-01-31 | 192.42 |
| 28 | 2451035 | 1998-08-09 | 192 |
| 29 | 2451241 | 1999-03-03 | 192.58 |
| 30 | 2451425 | 1999-09-03 | 193.58 |
| 31 | 2451625 | 2000-03-21 | 193.65 |
| 32 | 2451809 | 2000-09-21 | 192.71 |
| 33 | 2452003 | 2001-04-03 | 192.85 |
| 34 | 2452201 | 2001-10-18 | 192.21 |
| 35 | 2452390 | 2002-04-25 | 191.71 |
| 36 | 2452584 | 2002-11-05 | 192.28 |
| 37 | 2452782 | 2003-05-22 | 191.85 |
| 38 | 2452959 | 2003-11-15 | 192.79 |
| 39 | 2453159 | 2004-06-02 | 192.65 |
| 40 | 2453345 | 2004-12-05 | 190.8 |
| 41 | 2453545 | 2005-06-23 | 191.31 |
| 42 | 2453745 | 2006-01-09 | 191.37 |
| 43 | 2453926 | 2006-07-09 | 190.53 |
| 45 | 2454302 | 2007-07-20 | 190.42 |
| 46 | 2454500 | 2008-02-03 | 190.25 |
| 47 | 2454680 | 2008-08-01 | 191.05 |
| 49 | 2455063 | 2009-08-19 | 192.32 |
| 51 | 2455445 | 2010-09-05 | 193.23 |
| 52 | 2455650 | 2011-03-29 | 193.34 |
| 53 | 2455842 | 2011-10-07 | 193.35 |
| 54 | 2456040 | 2012-04-22 | 193.8 |
| 55 | 2456240 | 2012-11-08 | 193.26 |
| 56 | 2456420 | 2013-05-07 | 193.25 |
| 57 | 2456610 | 2013-11-13 | 193 |
| 58 | 2456805 | 2014-05-27 | 191.82 |
| 60 | 2457189 | 2015-06-15 | 192.47 |
| 61 | 2457395 | 2016-01-07 | 193.45 |
| 62 | 2457575 | 2016-07-05 | 193.5 |
| 64 | 2457966 | 2017-07-31 | 193.32 |
| 66 | 2458351 | 2018-08-20 | 192.5 |
| 67 | 2458548 | 2019-03-05 | 192.05 |
| 68 | 2458737 | 2019-09-10 | 192.06 |
| 69 | 2458930 | 2020-03-21 | 192.07 |
| 70 | 2459119 | 2020-09-26 | 192.22 |
| 71 | 2459308 | 2021-04-03 | 191.68 |
| 72 | 2459498 | 2021-10-10 | 191.3 |
| 73 | 2459700 | 2022-04-30 | 191.51 |
| 74 | 2459890 | 2022-11-06 | 192.01 |
| 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. |