| E | O (JD) | O (dat) | Period |
| -140 | 2397959 | 1853-04-15 | 306 |
| -139 | 2398249 | 1854-01-30 | 305.24 |
| -138 | 2398581 | 1854-12-28 | 304.31 |
| -134 | 2399797 | 1858-04-27 | 305.29 |
| -133 | 2400100 | 1859-02-24 | 306.05 |
| -132 | 2400398 | 1859-12-19 | 305.37 |
| -131 | 2400702 | 1860-10-18 | 304.43 |
| -130 | 2401017 | 1861-08-29 | 305 |
| -128 | 2401618 | 1863-04-22 | 305.4 |
| -127 | 2401930 | 1864-02-28 | 305.95 |
| -126 | 2402232 | 1864-12-26 | 306 |
| -123 | 2403155 | 1867-07-07 | 306.69 |
| -122 | 2403451 | 1868-04-28 | 306.11 |
| -121 | 2403768 | 1869-03-11 | 305.3 |
| -120 | 2404071 | 1870-01-08 | 306.5 |
| -119 | 2404391 | 1870-11-24 | 306 |
| -118 | 2404667 | 1871-08-27 | 304.09 |
| -115 | 2405601 | 1874-03-18 | 304.04 |
| -114 | 2405916 | 1875-01-27 | 303.86 |
| -112 | 2406504 | 1876-09-06 | 304.82 |
| -110 | 2407101 | 1878-04-26 | 305.37 |
| -109 | 2407427 | 1879-03-18 | 303.09 |
| -108 | 2407720 | 1880-01-05 | 303.05 |
| -107 | 2408044 | 1880-11-24 | 304.3 |
| -104 | 2408942 | 1883-05-11 | 303.81 |
| -103 | 2409243 | 1884-03-07 | 303.05 |
| -102 | 2409541 | 1884-12-30 | 302.81 |
| -100 | 2410150 | 1886-08-31 | 303.14 |
| -98 | 2410758 | 1888-04-30 | 305.08 |
| -97 | 2411056 | 1889-02-22 | 305.54 |
| -92 | 2412581 | 1893-04-27 | 305.38 |
| -91 | 2412893 | 1894-03-05 | 305.48 |
| -90 | 2413224 | 1895-01-30 | 306.5 |
| -89 | 2413504 | 1895-11-06 | 307.25 |
| -87 | 2414127 | 1897-07-21 | 307.18 |
| -86 | 2414418 | 1898-05-08 | 303.64 |
| -85 | 2414752 | 1899-04-07 | 301.95 |
| -84 | 2415030 | 1900-01-10 | 303.68 |
| -83 | 2415359 | 1900-12-05 | 304 |
| -81 | 2415920 | 1902-06-19 | 304.34 |
| -79 | 2416545 | 1904-03-05 | 306.34 |
| -78 | 2416856 | 1905-01-10 | 305.61 |
| -77 | 2417161 | 1905-11-11 | 304.41 |
| -76 | 2417487 | 1906-10-03 | 305.33 |
| -75 | 2417809 | 1907-08-21 | 303.65 |
| -74 | 2418081 | 1908-05-19 | 304.07 |
| -73 | 2418373 | 1909-03-07 | 303.3 |
| -72 | 2418672 | 1909-12-31 | 300 |
| -71 | 2418980 | 1910-11-04 | 299.57 |
| -69 | 2419598 | 1912-07-14 | 302.19 |
| -68 | 2419903 | 1913-05-15 | 304.72 |
| -67 | 2420193 | 1914-03-01 | 305.2 |
| -66 | 2420490 | 1914-12-23 | 304.63 |
| -65 | 2420799 | 1915-10-28 | 304.78 |
| -62 | 2421731 | 1918-05-17 | 304.61 |
| -61 | 2422025 | 1919-03-07 | 305.22 |
| -60 | 2422341 | 1920-01-17 | 306.5 |
| -59 | 2422646 | 1920-11-17 | 305.81 |
| -58 | 2422933 | 1921-08-31 | 304.71 |
| -57 | 2423244 | 1922-07-08 | 305.99 |
| -56 | 2423562 | 1923-05-22 | 307.06 |
| -55 | 2423861 | 1924-03-16 | 307.06 |
| -54 | 2424161 | 1925-01-10 | 307.11 |
| -53 | 2424489 | 1925-12-04 | 305.5 |
| -50 | 2425411 | 1928-06-13 | 304.5 |
| -49 | 2425695 | 1929-03-24 | 305.45 |
| -48 | 2426010 | 1930-02-02 | 304.72 |
| -47 | 2426295 | 1930-11-14 | 303.06 |
| -46 | 2426609 | 1931-09-24 | 303.14 |
| -45 | 2426911 | 1932-07-22 | 303.65 |
| -44 | 2427224 | 1933-05-31 | 304.07 |
| -43 | 2427525 | 1934-03-28 | 305.25 |
| -42 | 2427825 | 1935-01-22 | 306.56 |
| -41 | 2428131 | 1935-11-24 | 306.95 |
| -40 | 2428431 | 1936-09-19 | 305.28 |
| -37 | 2429357 | 1939-04-03 | 305.5 |
| -36 | 2429681 | 1940-02-21 | 306.61 |
| -35 | 2429979 | 1940-12-15 | 307 |
| -34 | 2430265 | 1941-09-27 | 306.56 |
| -33 | 2430584 | 1942-08-12 | 304.92 |
| -32 | 2430891 | 1943-06-15 | 303.42 |
| -31 | 2431197 | 1944-04-16 | 304.57 |
| -30 | 2431496 | 1945-02-09 | 304.08 |
| -29 | 2431811 | 1945-12-21 | 303.86 |
| -28 | 2432097 | 1946-10-03 | 305.71 |
| -27 | 2432411 | 1947-08-13 | 306.64 |
| -26 | 2432695 | 1948-05-23 | 307 |
| -25 | 2433034 | 1949-04-27 | 305.29 |
| -24 | 2433334 | 1950-02-21 | 305.22 |
| -23 | 2433652 | 1951-01-05 | 307.92 |
| -22 | 2433953 | 1951-11-02 | 307.49 |
| -21 | 2434229 | 1952-08-04 | 305 |
| -20 | 2434552 | 1953-06-23 | 303.44 |
| -19 | 2434865 | 1954-05-02 | 302.22 |
| -18 | 2435169 | 1955-03-02 | 304.28 |
| -17 | 2435469 | 1955-12-27 | 304.42 |
| -16 | 2435765 | 1956-10-18 | 301.64 |
| -15 | 2436071 | 1957-08-20 | 300.44 |
| -14 | 2436371 | 1958-06-16 | 299.5 |
| -13 | 2436672 | 1959-04-13 | 299.07 |
| -12 | 2436968 | 1960-02-03 | 299.71 |
| -11 | 2437272 | 1960-12-03 | 301 |
| -10 | 2437559 | 1961-09-16 | 302.44 |
| -9 | 2437862 | 1962-07-16 | 302.93 |
| -8 | 2438170 | 1963-05-20 | 303.64 |
| -7 | 2438486 | 1964-03-31 | 305.35 |
| -6 | 2438791 | 1965-01-30 | 306.72 |
| -5 | 2439090 | 1965-11-25 | 307.15 |
| -4 | 2439401 | 1966-10-02 | 307.07 |
| -3 | 2439705 | 1967-08-02 | 305.85 |
| -2 | 2440010 | 1968-06-02 | 305.85 |
| -1 | 2440322 | 1969-04-10 | 306.93 |
| 0 | 2440633 | 1970-02-15 | 306.87 |
| 1 | 2440926 | 1970-12-05 | 306.93 |
| 2 | 2441237 | 1971-10-12 | 306.28 |
| 3 | 2441551 | 1972-08-21 | 304.42 |
| 4 | 2441851 | 1973-06-17 | 305.36 |
| 5 | 2442161 | 1974-04-23 | 306.79 |
| 6 | 2442459 | 1975-02-15 | 306.14 |
| 7 | 2442758 | 1975-12-11 | 305.92 |
| 8 | 2443076 | 1976-10-24 | 305.49 |
| 9 | 2443382 | 1977-08-26 | 306.07 |
| 10 | 2443692 | 1978-07-02 | 307.22 |
| 11 | 2443993 | 1979-04-29 | 306.72 |
| 12 | 2444296 | 1980-02-26 | 305.99 |
| 13 | 2444609 | 1981-01-04 | 306.07 |
| 14 | 2444909 | 1981-10-31 | 307.22 |
| 15 | 2445219 | 1982-09-06 | 308.29 |
| 16 | 2445523 | 1983-07-07 | 307.86 |
| 17 | 2445836 | 1984-05-15 | 308.99 |
| 18 | 2446150 | 1985-03-25 | 308.28 |
| 19 | 2446455 | 1986-01-24 | 306.57 |
| 20 | 2446760 | 1986-11-25 | 307.15 |
| 21 | 2447084 | 1987-10-15 | 306.64 |
| 22 | 2447360 | 1988-07-17 | 306.28 |
| 23 | 2447674 | 1989-05-27 | 306.42 |
| 24 | 2447985 | 1990-04-03 | 305.22 |
| 25 | 2448294 | 1991-02-06 | 305.08 |
| 26 | 2448599 | 1991-12-08 | 305.07 |
| 27 | 2448906 | 1992-10-10 | 303.49 |
| 28 | 2449211 | 1993-08-11 | 302.42 |
| 29 | 2449504 | 1994-05-31 | 301.79 |
| 30 | 2449801 | 1995-03-24 | 301.01 |
| 31 | 2450107 | 1996-01-24 | 300.43 |
| 32 | 2450406 | 1996-11-18 | 301.78 |
| 33 | 2450712 | 1997-09-20 | 303.14 |
| 34 | 2451007 | 1998-07-12 | 304.43 |
| 35 | 2451316 | 1999-05-17 | 304.87 |
| 36 | 2451624 | 2000-03-20 | 305.64 |
| 37 | 2451925 | 2001-01-15 | 307.28 |
| 38 | 2452245 | 2001-12-01 | 307.35 |
| 39 | 2452536 | 2002-09-18 | 307.5 |
| 40 | 2452861 | 2003-08-09 | 308.22 |
| 41 | 2453160 | 2004-06-03 | 308.22 |
| 42 | 2453466 | 2005-04-05 | 308.57 |
| 43 | 2453779 | 2006-02-12 | 307.14 |
| 44 | 2454085 | 2006-12-15 | 305.22 |
| 45 | 2454400 | 2007-10-26 | 305.37 |
| 46 | 2454701 | 2008-08-22 | 305.36 |
| 47 | 2454996 | 2009-06-13 | 305.42 |
| 48 | 2455298 | 2010-04-11 | 306.14 |
| 49 | 2455603 | 2011-02-10 | 306.43 |
| 50 | 2455917 | 2011-12-21 | 307.08 |
| 51 | 2456223 | 2012-10-22 | 307.72 |
| 52 | 2456548 | 2013-09-12 | 307.28 |
| 53 | 2456843 | 2014-07-04 | 306.99 |
| 54 | 2457153 | 2015-05-10 | 307.22 |
| 55 | 2457449 | 2016-03-01 | 306.15 |
| 56 | 2457754 | 2016-12-31 | 305 |
| 57 | 2458064 | 2017-11-06 | 305.35 |
| 58 | 2458377 | 2018-09-15 | 305.64 |
| 59 | 2458680 | 2019-07-15 | 306 |
| 60 | 2458981 | 2020-05-11 | 306.09 |
| 61 | 2459290 | 2021-03-16 | 304.89 |
| 62 | 2459591 | 2022-01-11 | 303.65 |
| 63 | 2459896 | 2022-11-12 | 303.79 |
| 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. |