| E | O (JD) | O (dat) | Period |
| -106 | 2412268 | 1892-06-18 | 268.55 |
| -105 | 2412538 | 1893-03-15 | 268.13 |
| -104 | 2412818 | 1893-12-20 | 267.78 |
| -87 | 2417364 | 1906-06-02 | 268.28 |
| -86 | 2417641 | 1907-03-06 | 268.56 |
| -84 | 2418165 | 1908-08-11 | 268.62 |
| -83 | 2418438 | 1909-05-11 | 269.33 |
| -82 | 2418710 | 1910-02-07 | 269.42 |
| -76 | 2420330 | 1914-07-16 | 267.8 |
| -75 | 2420606 | 1915-04-18 | 268.08 |
| -74 | 2420888 | 1916-01-25 | 269.09 |
| -73 | 2421122 | 1916-09-15 | 269.61 |
| -72 | 2421379 | 1917-05-30 | 269.19 |
| -71 | 2421658 | 1918-03-05 | 269.25 |
| -70 | 2421948 | 1918-12-20 | 269.71 |
| -68 | 2422484 | 1920-06-08 | 270.78 |
| -67 | 2422759 | 1921-03-10 | 269.95 |
| -66 | 2423043 | 1921-12-19 | 267.8 |
| -64 | 2423552 | 1923-05-12 | 267.33 |
| -63 | 2423823 | 1924-02-07 | 266.95 |
| -61 | 2424343 | 1925-07-11 | 265.5 |
| -60 | 2424619 | 1926-04-13 | 265.67 |
| -57 | 2425427 | 1928-06-29 | 267.55 |
| -56 | 2425689 | 1929-03-18 | 268.84 |
| -55 | 2425954 | 1929-12-08 | 269.66 |
| -54 | 2426220 | 1930-08-31 | 270 |
| -53 | 2426506 | 1931-06-13 | 269.93 |
| -52 | 2426768 | 1932-03-01 | 270.14 |
| -51 | 2427048 | 1932-12-06 | 270.18 |
| -50 | 2427318 | 1933-09-02 | 267.68 |
| -49 | 2427577 | 1934-05-19 | 266.5 |
| -48 | 2427848 | 1935-02-14 | 266.45 |
| -45 | 2428649 | 1937-04-25 | 266.14 |
| -43 | 2429163 | 1938-09-21 | 266.92 |
| -42 | 2429441 | 1939-06-26 | 267.58 |
| -41 | 2429704 | 1940-03-15 | 268.5 |
| -38 | 2430517 | 1942-06-06 | 270.26 |
| -37 | 2430784 | 1943-02-28 | 269.87 |
| -34 | 2431598 | 1945-05-22 | 268.17 |
| -33 | 2431880 | 1946-02-28 | 267.59 |
| -32 | 2432148 | 1946-11-23 | 266.75 |
| -30 | 2432663 | 1948-04-21 | 266.22 |
| -29 | 2432918 | 1949-01-01 | 265.5 |
| -28 | 2433190 | 1949-09-30 | 264.51 |
| -27 | 2433446 | 1950-06-13 | 264.14 |
| -26 | 2433728 | 1951-03-22 | 264.86 |
| -25 | 2433998 | 1951-12-17 | 265.57 |
| -24 | 2434262 | 1952-09-06 | 265.86 |
| -23 | 2434511 | 1953-05-13 | 265.36 |
| -22 | 2434778 | 1954-02-04 | 264.07 |
| -21 | 2435048 | 1954-11-01 | 265 |
| -20 | 2435310 | 1955-07-21 | 266.64 |
| -19 | 2435579 | 1956-04-15 | 267.86 |
| -18 | 2435844 | 1957-01-05 | 268.5 |
| -17 | 2436126 | 1957-10-14 | 268.21 |
| -16 | 2436380 | 1958-06-25 | 267.36 |
| -15 | 2436659 | 1959-03-31 | 266.64 |
| -14 | 2436926 | 1959-12-23 | 265.78 |
| -13 | 2437187 | 1960-09-09 | 265.64 |
| -12 | 2437445 | 1961-05-25 | 265.36 |
| -11 | 2437711 | 1962-02-15 | 264.51 |
| -10 | 2437980 | 1962-11-11 | 265.28 |
| -9 | 2438245 | 1963-08-03 | 266.51 |
| -8 | 2438509 | 1964-04-23 | 267.08 |
| -7 | 2438779 | 1965-01-18 | 267.21 |
| -6 | 2439048 | 1965-10-14 | 267.57 |
| -5 | 2439315 | 1966-07-08 | 267.93 |
| -4 | 2439580 | 1967-03-30 | 268 |
| -3 | 2439852 | 1967-12-27 | 267.71 |
| -2 | 2440119 | 1968-09-19 | 267.71 |
| -1 | 2440386 | 1969-06-13 | 268 |
| 0 | 2440654 | 1970-03-08 | 267.5 |
| 1 | 2440921 | 1970-11-30 | 267 |
| 2 | 2441190 | 1971-08-26 | 267.21 |
| 3 | 2441457 | 1972-05-19 | 267.21 |
| 4 | 2441720 | 1973-02-06 | 267.64 |
| 5 | 2441989 | 1973-11-02 | 268.21 |
| 6 | 2442257 | 1974-07-28 | 268.21 |
| 7 | 2442524 | 1975-04-21 | 268.43 |
| 8 | 2442798 | 1976-01-20 | 268.79 |
| 9 | 2443068 | 1976-10-16 | 268.79 |
| 10 | 2443334 | 1977-07-09 | 268.71 |
| 11 | 2443601 | 1978-04-02 | 268.15 |
| 12 | 2443871 | 1978-12-28 | 267.43 |
| 13 | 2444138 | 1979-09-21 | 267.43 |
| 14 | 2444405 | 1980-06-14 | 268.28 |
| 15 | 2444671 | 1981-03-07 | 268.86 |
| 16 | 2444939 | 1981-11-30 | 268.86 |
| 17 | 2445207 | 1982-08-25 | 269.14 |
| 18 | 2445484 | 1983-05-29 | 269.43 |
| 19 | 2445752 | 1984-02-21 | 269.93 |
| 20 | 2446021 | 1984-11-16 | 270.07 |
| 21 | 2446290 | 1985-08-12 | 269.65 |
| 22 | 2446558 | 1986-05-07 | 268.86 |
| 23 | 2446831 | 1987-02-04 | 267.43 |
| 24 | 2447096 | 1987-10-27 | 266.57 |
| 25 | 2447370 | 1988-07-27 | 266.78 |
| 26 | 2447630 | 1989-04-13 | 266.64 |
| 27 | 2447887 | 1989-12-26 | 266.71 |
| 28 | 2448156 | 1990-09-21 | 266.43 |
| 29 | 2448427 | 1991-06-19 | 266.43 |
| 30 | 2448695 | 1992-03-13 | 267.28 |
| 31 | 2448966 | 1992-12-09 | 267.93 |
| 32 | 2449230 | 1993-08-30 | 268.5 |
| 33 | 2449500 | 1994-05-27 | 268.07 |
| 34 | 2449759 | 1995-02-10 | 268.07 |
| 35 | 2450035 | 1995-11-13 | 268.86 |
| 36 | 2450307 | 1996-08-11 | 268.57 |
| 37 | 2450568 | 1997-04-29 | 268.57 |
| 38 | 2450846 | 1998-02-01 | 268.36 |
| 39 | 2451114 | 1998-10-27 | 267.43 |
| 40 | 2451376 | 1999-07-16 | 267.5 |
| 41 | 2451643 | 2000-04-08 | 267.08 |
| 42 | 2451908 | 2000-12-29 | 266.36 |
| 43 | 2452178 | 2001-09-25 | 266.86 |
| 44 | 2452442 | 2002-06-16 | 267.14 |
| 45 | 2452711 | 2003-03-12 | 267.71 |
| 46 | 2452978 | 2003-12-04 | 268.5 |
| 47 | 2453248 | 2004-08-30 | 267.5 |
| 48 | 2453511 | 2005-05-20 | 266.64 |
| 49 | 2453788 | 2006-02-21 | 266.43 |
| 50 | 2454057 | 2006-11-17 | 265.78 |
| 51 | 2454308 | 2007-07-26 | 265.5 |
| 52 | 2454578 | 2008-04-21 | 265 |
| 53 | 2454841 | 2009-01-09 | 264.5 |
| 54 | 2455106 | 2009-10-01 | 265.71 |
| 55 | 2455370 | 2010-06-22 | 267.21 |
| 56 | 2455639 | 2011-03-18 | 268.57 |
| 57 | 2455909 | 2011-12-13 | 269.64 |
| 58 | 2456176 | 2012-09-05 | 269.72 |
| 59 | 2456451 | 2013-06-07 | 269.86 |
| 60 | 2456728 | 2014-03-11 | 270.36 |
| 61 | 2456994 | 2014-12-02 | 270.86 |
| 62 | 2457258 | 2015-08-23 | 270.08 |
| 63 | 2457529 | 2016-05-20 | 268.5 |
| 64 | 2457804 | 2017-02-19 | 268 |
| 65 | 2458073 | 2017-11-15 | 268.6 |
| 66 | 2458335 | 2018-08-04 | 268.74 |
| 67 | 2458603 | 2019-04-29 | 267.63 |
| 68 | 2458871 | 2020-01-22 | 266.67 |
| 70 | 2459410 | 2021-07-14 | 267.26 |
| 71 | 2459677 | 2022-04-07 | 268 |
| 72 | 2459938 | 2022-12-24 | 268 |
| 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. |