| E | O (JD) | O (dat) | Period |
| -48 | 2415700 | 1901-11-11 | 360.2 |
| -47 | 2416050 | 1902-10-27 | 359.75 |
| -46 | 2416413 | 1903-10-25 | 357.75 |
| -45 | 2416775 | 1904-10-21 | 358.3 |
| -44 | 2417140 | 1905-10-21 | 358.67 |
| -43 | 2417495 | 1906-10-11 | 358.94 |
| -42 | 2417852 | 1907-10-03 | 360.13 |
| -41 | 2418190 | 1908-09-05 | 361.75 |
| -40 | 2418570 | 1909-09-20 | 363.85 |
| -39 | 2418930 | 1910-09-15 | 364.65 |
| -38 | 2419290 | 1911-09-10 | 365.16 |
| -36 | 2420025 | 1913-09-14 | 366.43 |
| -35 | 2420410 | 1914-10-04 | 368.38 |
| -34 | 2420790 | 1915-10-19 | 368.68 |
| -33 | 2421130 | 1916-09-23 | 369.7 |
| -31 | 2421850 | 1918-09-13 | 371.7 |
| -30 | 2422240 | 1919-10-08 | 372.51 |
| -28 | 2423000 | 1921-11-06 | 372.18 |
| -27 | 2423360 | 1922-11-01 | 373.47 |
| -26 | 2423740 | 1923-11-16 | 374.52 |
| -25 | 2424150 | 1924-12-30 | 374.83 |
| -24 | 2424500 | 1925-12-15 | 374.45 |
| -23 | 2424850 | 1926-11-30 | 373.49 |
| -22 | 2425250 | 1928-01-04 | 371.68 |
| -20 | 2425975 | 1929-12-29 | 371.28 |
| -19 | 2426360 | 1931-01-18 | 371 |
| -18 | 2426751 | 1932-02-13 | 370.64 |
| -10 | 2429719 | 1940-03-30 | 369.61 |
| -1 | 2433026 | 1949-04-19 | 368.86 |
| 0 | 2433410 | 1950-05-08 | 368.52 |
| 12 | 2437860 | 1962-07-14 | 368.1 |
| 18 | 2440050 | 1968-07-12 | 367.62 |
| 26 | 2442940 | 1976-06-10 | 367.18 |
| 27 | 2443300 | 1977-06-05 | 366.83 |
| 29 | 2444050 | 1979-06-25 | 366.33 |
| 30 | 2444420 | 1980-06-29 | 365.34 |
| 32 | 2445150 | 1982-06-29 | 366.53 |
| 33 | 2445530 | 1983-07-14 | 369.61 |
| 34 | 2445890 | 1984-07-08 | 370.2 |
| 35 | 2446260 | 1985-07-13 | 370.18 |
| 36 | 2446630 | 1986-07-18 | 370.17 |
| 37 | 2447000 | 1987-07-23 | 370.37 |
| 38 | 2447380 | 1988-08-06 | 369.99 |
| 39 | 2447754 | 1989-08-15 | 370.19 |
| 40 | 2448121 | 1990-08-17 | 369.74 |
| 41 | 2448480 | 1991-08-11 | 369.21 |
| 42 | 2448852 | 1992-08-17 | 368.35 |
| 43 | 2449221 | 1993-08-21 | 368.2 |
| 44 | 2449592 | 1994-08-27 | 368.76 |
| 45 | 2449958 | 1995-08-28 | 370.14 |
| 46 | 2450326 | 1996-08-30 | 371.27 |
| 47 | 2450688 | 1997-08-27 | 371.45 |
| 48 | 2451071 | 1998-09-14 | 371.74 |
| 49 | 2451445 | 1999-09-23 | 371.94 |
| 50 | 2451827 | 2000-10-09 | 372.23 |
| 51 | 2452196 | 2001-10-13 | 372.14 |
| 52 | 2452559 | 2002-10-11 | 371.7 |
| 53 | 2452931 | 2003-10-18 | 370.27 |
| 54 | 2453302 | 2004-10-23 | 369.33 |
| 55 | 2453675 | 2005-10-31 | 368.37 |
| 56 | 2454044 | 2006-11-04 | 367.93 |
| 57 | 2454412 | 2007-11-07 | 367.39 |
| 58 | 2454773 | 2008-11-02 | 366.53 |
| 59 | 2455141 | 2009-11-05 | 366.17 |
| 60 | 2455506 | 2010-11-05 | 365.81 |
| 61 | 2455871 | 2011-11-05 | 365.8 |
| 62 | 2456235 | 2012-11-03 | 365.8 |
| 63 | 2456600 | 2013-11-03 | 366.04 |
| 64 | 2456973 | 2014-11-11 | 365.67 |
| 65 | 2457336 | 2015-11-09 | 365.85 |
| 66 | 2457703 | 2016-11-10 | 366.29 |
| 67 | 2458066 | 2017-11-08 | 366.62 |
| 68 | 2458434 | 2018-11-11 | 366.62 |
| 69 | 2458792 | 2019-11-04 | 366.48 |
| 70 | 2459166 | 2020-11-12 | 366.92 |
| 71 | 2459539 | 2021-11-20 | 367.29 |
| 72 | 2459905 | 2022-11-21 | 368.11 |
| 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. |