| E | O (JD) | O (dat) | Period |
| -179 | 2397572 | 1852-03-24 | 255.95 |
| -172 | 2399366 | 1857-02-20 | 255.12 |
| -171 | 2399622 | 1857-11-03 | 255.68 |
| -169 | 2400139 | 1859-04-04 | 255.82 |
| -168 | 2400386 | 1859-12-07 | 255.66 |
| -166 | 2400898 | 1861-05-02 | 255.85 |
| -165 | 2401135 | 1861-12-25 | 255.84 |
| -162 | 2401930 | 1864-02-28 | 255.39 |
| -159 | 2402692 | 1866-03-31 | 255.73 |
| -156 | 2403451 | 1868-04-28 | 255.99 |
| -155 | 2403720 | 1869-01-22 | 256.34 |
| -154 | 2403970 | 1869-09-29 | 257.11 |
| -153 | 2404200 | 1870-05-17 | 257.16 |
| -152 | 2404491 | 1871-03-04 | 258.34 |
| -151 | 2404735 | 1871-11-03 | 258.98 |
| -149 | 2405258 | 1873-04-09 | 258.29 |
| -148 | 2405530 | 1874-01-06 | 258.35 |
| -142 | 2407067 | 1878-03-23 | 257.79 |
| -139 | 2407852 | 1880-05-16 | 257 |
| -138 | 2408114 | 1881-02-02 | 256.78 |
| -132 | 2409634 | 1885-04-02 | 256.28 |
| -131 | 2409904 | 1885-12-28 | 256.11 |
| -128 | 2410647 | 1888-01-10 | 255.92 |
| -125 | 2411420 | 1890-02-21 | 255.11 |
| -121 | 2412451 | 1892-12-18 | 254.85 |
| -119 | 2412958 | 1894-05-09 | 254.59 |
| -118 | 2413233 | 1895-02-08 | 254.24 |
| -115 | 2413989 | 1897-03-05 | 254.33 |
| -112 | 2414719 | 1899-03-05 | 253.34 |
| -111 | 2414984 | 1899-11-25 | 252.28 |
| -110 | 2415230 | 1900-07-29 | 251.49 |
| -109 | 2415490 | 1901-04-15 | 251.1 |
| -108 | 2415751 | 1902-01-01 | 251.68 |
| -106 | 2416243 | 1903-05-08 | 253.15 |
| -105 | 2416493 | 1904-01-13 | 253.05 |
| -103 | 2416988 | 1905-05-22 | 253.54 |
| -102 | 2417253 | 1906-02-11 | 253.54 |
| -101 | 2417508 | 1906-10-24 | 254.54 |
| -100 | 2417780 | 1907-07-23 | 255.58 |
| -99 | 2418022 | 1908-03-21 | 256.46 |
| -98 | 2418281 | 1908-12-05 | 256.85 |
| -97 | 2418529 | 1909-08-10 | 256.26 |
| -96 | 2418802 | 1910-05-10 | 257.09 |
| -95 | 2419042 | 1911-01-05 | 257.85 |
| -94 | 2419312 | 1911-10-02 | 258.45 |
| -93 | 2419561 | 1912-06-07 | 258.18 |
| -92 | 2419817 | 1913-02-18 | 257.74 |
| -91 | 2420096 | 1913-11-24 | 256.54 |
| -90 | 2420357 | 1914-08-12 | 256.88 |
| -89 | 2420597 | 1915-04-09 | 256.22 |
| -88 | 2420851 | 1915-12-19 | 255.69 |
| -87 | 2421102 | 1916-08-26 | 254.55 |
| -86 | 2421352 | 1917-05-03 | 254.23 |
| -85 | 2421623 | 1918-01-29 | 255.22 |
| -84 | 2421877 | 1918-10-10 | 256.81 |
| -83 | 2422123 | 1919-06-13 | 257.53 |
| -82 | 2422373 | 1920-02-18 | 257.64 |
| -81 | 2422646 | 1920-11-17 | 257.72 |
| -80 | 2422906 | 1921-08-04 | 257.25 |
| -79 | 2423168 | 1922-04-23 | 257.76 |
| -78 | 2423423 | 1923-01-03 | 258.35 |
| -77 | 2423670 | 1923-09-07 | 259.13 |
| -76 | 2423932 | 1924-05-26 | 259.37 |
| -75 | 2424186 | 1925-02-04 | 260.05 |
| -74 | 2424449 | 1925-10-25 | 260.34 |
| -73 | 2424711 | 1926-07-14 | 260.73 |
| -72 | 2424987 | 1927-04-16 | 261.29 |
| -71 | 2425248 | 1928-01-02 | 260.62 |
| -70 | 2425505 | 1928-09-15 | 260.43 |
| -69 | 2425756 | 1929-05-24 | 259.77 |
| -68 | 2426014 | 1930-02-06 | 259.02 |
| -67 | 2426281 | 1930-10-31 | 258.99 |
| -66 | 2426529 | 1931-07-06 | 259.44 |
| -65 | 2426797 | 1932-03-30 | 259.74 |
| -64 | 2427055 | 1932-12-13 | 259.69 |
| -63 | 2427311 | 1933-08-26 | 259.24 |
| -62 | 2427585 | 1934-05-27 | 259.01 |
| -61 | 2427839 | 1935-02-05 | 259.25 |
| -60 | 2428093 | 1935-10-17 | 259.4 |
| -59 | 2428346 | 1936-06-26 | 259.79 |
| -58 | 2428604 | 1937-03-11 | 259.93 |
| -57 | 2428869 | 1937-12-01 | 260.57 |
| -56 | 2429130 | 1938-08-19 | 260.98 |
| -55 | 2429400 | 1939-05-16 | 260.63 |
| -54 | 2429658 | 1940-01-29 | 260.7 |
| -53 | 2429915 | 1940-10-12 | 259.65 |
| -52 | 2430191 | 1941-07-15 | 258.44 |
| -51 | 2430433 | 1942-03-14 | 257.57 |
| -50 | 2430681 | 1942-11-17 | 257.53 |
| -49 | 2430954 | 1943-08-17 | 257.22 |
| -48 | 2431198 | 1944-04-17 | 256.75 |
| -47 | 2431455 | 1944-12-30 | 256.55 |
| -46 | 2431715 | 1945-09-16 | 257.31 |
| -45 | 2431989 | 1946-06-17 | 257.47 |
| -44 | 2432231 | 1947-02-14 | 257.22 |
| -43 | 2432484 | 1947-10-25 | 257.26 |
| -42 | 2432747 | 1948-07-14 | 256.72 |
| -41 | 2433003 | 1949-03-27 | 256.26 |
| -40 | 2433262 | 1949-12-11 | 255.86 |
| -39 | 2433521 | 1950-08-27 | 256.55 |
| -38 | 2433768 | 1951-05-01 | 256.35 |
| -37 | 2434025 | 1952-01-13 | 255.64 |
| -36 | 2434284 | 1952-09-28 | 255.21 |
| -35 | 2434539 | 1953-06-10 | 255 |
| -34 | 2434799 | 1954-02-25 | 254.65 |
| -33 | 2435051 | 1954-11-04 | 254.02 |
| -32 | 2435300 | 1955-07-11 | 253.52 |
| -31 | 2435554 | 1956-03-21 | 253.32 |
| -30 | 2435813 | 1956-12-05 | 253.61 |
| -29 | 2436061 | 1957-08-10 | 253.94 |
| -28 | 2436304 | 1958-04-10 | 254.21 |
| -27 | 2436567 | 1958-12-29 | 254.34 |
| -26 | 2436825 | 1959-09-13 | 254.43 |
| -25 | 2437085 | 1960-05-30 | 254.54 |
| -24 | 2437340 | 1961-02-09 | 254.52 |
| -23 | 2437587 | 1961-10-14 | 254.85 |
| -22 | 2437839 | 1962-06-23 | 254.62 |
| -21 | 2438097 | 1963-03-08 | 254.66 |
| -20 | 2438352 | 1963-11-18 | 254.65 |
| -19 | 2438598 | 1964-07-21 | 255.17 |
| -18 | 2438865 | 1965-04-14 | 255.72 |
| -17 | 2439122 | 1965-12-27 | 255.99 |
| -16 | 2439376 | 1966-09-07 | 256.12 |
| -15 | 2439627 | 1967-05-16 | 256.7 |
| -14 | 2439887 | 1968-01-31 | 257.06 |
| -13 | 2440142 | 1968-10-12 | 256.82 |
| -12 | 2440400 | 1969-06-27 | 257.2 |
| -11 | 2440657 | 1970-03-11 | 257.73 |
| -10 | 2440921 | 1970-11-30 | 257.71 |
| -9 | 2441175 | 1971-08-11 | 258.07 |
| -8 | 2441431 | 1972-04-23 | 258.57 |
| -7 | 2441691 | 1973-01-08 | 258.44 |
| -6 | 2441951 | 1973-09-25 | 258.56 |
| -5 | 2442200 | 1974-06-01 | 258.71 |
| -4 | 2442472 | 1975-02-28 | 259.04 |
| -3 | 2442732 | 1975-11-15 | 259.2 |
| -2 | 2442981 | 1976-07-21 | 259.89 |
| -1 | 2443245 | 1977-04-11 | 260.39 |
| 0 | 2443506 | 1977-12-28 | 260.73 |
| 1 | 2443763 | 1978-09-11 | 260.19 |
| 2 | 2444023 | 1979-05-29 | 260.17 |
| 3 | 2444297 | 1980-02-27 | 260.05 |
| 4 | 2444554 | 1980-11-10 | 259.55 |
| 5 | 2444811 | 1981-07-25 | 259.21 |
| 6 | 2445065 | 1982-04-05 | 258.84 |
| 7 | 2445323 | 1982-12-19 | 258.52 |
| 8 | 2445579 | 1983-09-01 | 258.18 |
| 9 | 2445841 | 1984-05-20 | 258.55 |
| 10 | 2446100 | 1985-02-03 | 258.45 |
| 11 | 2446357 | 1985-10-18 | 258.84 |
| 12 | 2446620 | 1986-07-08 | 258.86 |
| 13 | 2446879 | 1987-03-24 | 259.05 |
| 14 | 2447137 | 1987-12-07 | 258.95 |
| 15 | 2447386 | 1988-08-12 | 259.45 |
| 16 | 2447655 | 1989-05-08 | 259.27 |
| 17 | 2447911 | 1990-01-19 | 258.92 |
| 18 | 2448174 | 1990-10-09 | 259.08 |
| 19 | 2448431 | 1991-06-23 | 259.39 |
| 20 | 2448700 | 1992-03-18 | 259.17 |
| 21 | 2448946 | 1992-11-19 | 258.38 |
| 22 | 2449203 | 1993-08-03 | 258.08 |
| 23 | 2449468 | 1994-04-25 | 257.8 |
| 24 | 2449730 | 1995-01-12 | 257.24 |
| 25 | 2449979 | 1995-09-18 | 256.8 |
| 26 | 2450236 | 1996-06-01 | 257.3 |
| 27 | 2450494 | 1997-02-14 | 257.21 |
| 28 | 2450755 | 1997-11-02 | 256.71 |
| 29 | 2451002 | 1998-07-07 | 256.21 |
| 30 | 2451262 | 1999-03-24 | 255.84 |
| 31 | 2451526 | 1999-12-13 | 255.53 |
| 32 | 2451783 | 2000-08-26 | 254.73 |
| 33 | 2452033 | 2001-05-03 | 254.15 |
| 34 | 2452281 | 2002-01-06 | 253.49 |
| 35 | 2452532 | 2002-09-14 | 252.62 |
| 36 | 2452795 | 2003-06-04 | 251.35 |
| 37 | 2453039 | 2004-02-03 | 250.32 |
| 38 | 2453295 | 2004-10-16 | 249.89 |
| 39 | 2453540 | 2005-06-18 | 249.43 |
| 40 | 2453796 | 2006-03-01 | 248.87 |
| 41 | 2454034 | 2006-10-25 | 248.74 |
| 42 | 2454277 | 2007-06-25 | 249.38 |
| 43 | 2454532 | 2008-03-06 | 250.27 |
| 44 | 2454781 | 2008-11-10 | 251.72 |
| 45 | 2455031 | 2009-07-18 | 253.19 |
| 46 | 2455289 | 2010-04-02 | 255.11 |
| 47 | 2455542 | 2010-12-11 | 256.24 |
| 48 | 2455804 | 2011-08-30 | 256.65 |
| 49 | 2456062 | 2012-05-14 | 257.06 |
| 50 | 2456322 | 2013-01-29 | 257.26 |
| 51 | 2456581 | 2013-10-15 | 257.04 |
| 52 | 2456835 | 2014-06-26 | 257.09 |
| 53 | 2457088 | 2015-03-06 | 256.94 |
| 54 | 2457344 | 2015-11-17 | 257.2 |
| 55 | 2457603 | 2016-08-02 | 257.71 |
| 56 | 2457858 | 2017-04-14 | 258.44 |
| 57 | 2458120 | 2018-01-01 | 258.86 |
| 58 | 2458378 | 2018-09-16 | 258.97 |
| 59 | 2458640 | 2019-06-05 | 259.29 |
| 60 | 2458903 | 2020-02-23 | 258.94 |
| 61 | 2459164 | 2020-11-10 | 258.87 |
| 62 | 2459415 | 2021-07-19 | 258.59 |
| 63 | 2459670 | 2022-03-31 | 258.37 |
| 64 | 2459938 | 2022-12-24 | 257.88 |
| 65 | 2460186 | 2023-08-29 | 257.43 |
| 66 | 2460450 | 2024-05-19 | 257.46 |
| 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. |