| E | O (JD) | O (dat) | Period |
| -155 | 2411920 | 1891-07-06 | 196.19 |
| -151 | 2412705 | 1893-08-29 | 195.59 |
| -144 | 2414070 | 1897-05-25 | 195.54 |
| -140 | 2414850 | 1899-07-14 | 195.49 |
| -138 | 2415250 | 1900-08-18 | 195.19 |
| -136 | 2415630 | 1901-09-02 | 194.72 |
| -131 | 2416620 | 1904-05-19 | 194.28 |
| -129 | 2416995 | 1905-05-29 | 194.37 |
| -125 | 2417780 | 1907-07-23 | 194.4 |
| -116 | 2419510 | 1912-04-17 | 194.27 |
| -112 | 2420290 | 1914-06-06 | 194.24 |
| -110 | 2420695 | 1915-07-16 | 194.12 |
| -97 | 2423210 | 1922-06-04 | 194.29 |
| -95 | 2423610 | 1923-07-09 | 194.67 |
| -93 | 2423990 | 1924-07-23 | 194.56 |
| -87 | 2425150 | 1927-09-26 | 194.33 |
| -84 | 2425740 | 1929-05-08 | 194.41 |
| -83 | 2425935 | 1929-11-19 | 195 |
| -82 | 2426140 | 1930-06-12 | 195.74 |
| -80 | 2426510 | 1931-06-17 | 196.48 |
| -78 | 2426920 | 1932-07-31 | 196.45 |
| -74 | 2427700 | 1934-09-19 | 196 |
| -71 | 2428291 | 1936-05-02 | 195.94 |
| -69 | 2428690 | 1937-06-05 | 195.71 |
| -67 | 2429075 | 1938-06-25 | 195.54 |
| -65 | 2429468 | 1939-07-23 | 195.44 |
| -63 | 2429844 | 1940-08-02 | 194.98 |
| -54 | 2431610 | 1945-06-03 | 194.64 |
| -52 | 2432005 | 1946-07-03 | 194.6 |
| -50 | 2432390 | 1947-07-23 | 194.81 |
| -48 | 2432780 | 1948-08-16 | 195.01 |
| -46 | 2433160 | 1949-08-31 | 195.07 |
| -41 | 2434140 | 1952-05-07 | 195.06 |
| -18 | 2438614 | 1964-08-06 | 195.11 |
| -13 | 2439611 | 1967-04-30 | 195.11 |
| -7 | 2440780 | 1970-07-12 | 195.24 |
| -5 | 2441170 | 1971-08-06 | 195.53 |
| -3 | 2441560 | 1972-08-30 | 195 |
| -1 | 2441940 | 1973-09-14 | 193.96 |
| 0 | 2442151 | 1974-04-13 | 194.21 |
| 1 | 2442335 | 1974-10-14 | 194.44 |
| 2 | 2442520 | 1975-04-17 | 194.72 |
| 3 | 2442720 | 1975-11-03 | 193.31 |
| 4 | 2442920 | 1976-05-21 | 192.91 |
| 6 | 2443310 | 1977-06-15 | 194.48 |
| 8 | 2443695 | 1978-07-05 | 194.4 |
| 10 | 2444069 | 1979-07-14 | 194.22 |
| 12 | 2444468 | 1980-08-16 | 194.41 |
| 14 | 2444860 | 1981-09-12 | 194.62 |
| 16 | 2445240 | 1982-09-27 | 195.81 |
| 18 | 2445644 | 1983-11-05 | 196.27 |
| 19 | 2445835 | 1984-05-14 | 195.27 |
| 21 | 2446230 | 1985-06-13 | 195.32 |
| 23 | 2446625 | 1986-07-13 | 195.78 |
| 25 | 2447015 | 1987-08-07 | 195.17 |
| 27 | 2447390 | 1988-08-16 | 194.17 |
| 28 | 2447593 | 1989-03-07 | 193.14 |
| 29 | 2447794 | 1989-09-24 | 192.96 |
| 31 | 2448174 | 1990-10-09 | 193.68 |
| 32 | 2448357 | 1991-04-10 | 194.57 |
| 34 | 2448747 | 1992-05-04 | 194 |
| 36 | 2449138 | 1993-05-30 | 193.85 |
| 38 | 2449528 | 1994-06-24 | 194.86 |
| 40 | 2449930 | 1995-07-31 | 195.51 |
| 42 | 2450307 | 1996-08-11 | 195.67 |
| 44 | 2450701 | 1997-09-09 | 195.89 |
| 47 | 2451286 | 1999-04-17 | 195.85 |
| 48 | 2451488 | 1999-11-05 | 195.8 |
| 49 | 2451680 | 2000-05-15 | 196 |
| 51 | 2452079 | 2001-06-18 | 196.04 |
| 53 | 2452471 | 2002-07-15 | 196.13 |
| 55 | 2452857 | 2003-08-05 | 195.67 |
| 57 | 2453247 | 2004-08-29 | 195.26 |
| 59 | 2453641 | 2005-09-27 | 194.96 |
| 60 | 2453840 | 2006-04-14 | 194.77 |
| 61 | 2454024 | 2006-10-15 | 194.46 |
| 62 | 2454226 | 2007-05-05 | 193.95 |
| 64 | 2454613 | 2008-05-26 | 193.83 |
| 66 | 2455000 | 2009-06-17 | 194.48 |
| 68 | 2455382 | 2010-07-04 | 194.42 |
| 70 | 2455773 | 2011-07-30 | 193.96 |
| 72 | 2456166 | 2012-08-26 | 194.56 |
| 74 | 2456560 | 2013-09-24 | 195.39 |
| 75 | 2456745 | 2014-03-28 | 195.53 |
| 77 | 2457137 | 2015-04-24 | 195.21 |
| 78 | 2457340 | 2015-11-13 | 195.12 |
| 79 | 2457536 | 2016-05-27 | 195.57 |
| 80 | 2457725 | 2016-12-02 | 195.8 |
| 81 | 2457923 | 2017-06-18 | 195.07 |
| 82 | 2458120 | 2018-01-01 | 194.78 |
| 83 | 2458314 | 2018-07-14 | 195 |
| 84 | 2458505 | 2019-01-21 | 195 |
| 85 | 2458703 | 2019-08-07 | 194.28 |
| 86 | 2458900 | 2020-02-20 | 193.57 |
| 87 | 2459091 | 2020-08-29 | 193.5 |
| 88 | 2459287 | 2021-03-13 | 193.56 |
| 89 | 2459476 | 2021-09-18 | 192.83 |
| 90 | 2459668 | 2022-03-29 | 192.41 |
| 91 | 2459860 | 2022-10-07 | 192.7 |
| 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. |