| E | O (JD) | O (dat) | Period |
| -163 | 2399947 | 1858-09-24 | 267.14 |
| -160 | 2400737 | 1860-11-22 | 268.98 |
| -159 | 2401005 | 1861-08-17 | 268.79 |
| -158 | 2401273 | 1862-05-12 | 266.2 |
| -157 | 2401542 | 1863-02-05 | 265.72 |
| -156 | 2401822 | 1863-11-12 | 266.81 |
| -154 | 2402345 | 1865-04-18 | 267.12 |
| -153 | 2402605 | 1866-01-03 | 266 |
| -152 | 2402862 | 1866-09-17 | 264.13 |
| -151 | 2403149 | 1867-07-01 | 263.07 |
| -150 | 2403403 | 1868-03-11 | 265.49 |
| -149 | 2403668 | 1868-12-01 | 267.5 |
| -148 | 2403922 | 1869-08-12 | 267.22 |
| -147 | 2404191 | 1870-05-08 | 267.72 |
| -146 | 2404476 | 1871-02-17 | 268.64 |
| -145 | 2404736 | 1871-11-04 | 269.49 |
| -144 | 2405016 | 1872-08-10 | 270 |
| -143 | 2405284 | 1873-05-05 | 269 |
| -142 | 2405548 | 1874-01-24 | 270.11 |
| -141 | 2405815 | 1874-10-18 | 270.5 |
| -140 | 2406078 | 1875-07-08 | 267.72 |
| -137 | 2406893 | 1877-09-30 | 267.56 |
| -136 | 2407181 | 1878-07-15 | 269.95 |
| -135 | 2407440 | 1879-03-31 | 271.44 |
| -134 | 2407679 | 1879-11-25 | 272.69 |
| -133 | 2407969 | 1880-09-10 | 271.51 |
| -132 | 2408253 | 1881-06-21 | 269.51 |
| -131 | 2408526 | 1882-03-21 | 271.28 |
| -130 | 2408808 | 1882-12-28 | 271.99 |
| -129 | 2409067 | 1883-09-13 | 269.07 |
| -128 | 2409327 | 1884-05-30 | 267.43 |
| -127 | 2409590 | 1885-02-17 | 266.36 |
| -126 | 2409866 | 1885-11-20 | 265.14 |
| -125 | 2410123 | 1886-08-04 | 267.71 |
| -124 | 2410400 | 1887-05-08 | 271.36 |
| -123 | 2410663 | 1888-01-26 | 273.58 |
| -122 | 2410924 | 1888-10-13 | 275.22 |
| -121 | 2411218 | 1889-08-03 | 274.78 |
| -120 | 2411498 | 1890-05-10 | 273.49 |
| -119 | 2411788 | 1891-02-24 | 274.93 |
| -118 | 2412054 | 1891-11-17 | 274.72 |
| -117 | 2412316 | 1892-08-05 | 272.43 |
| -116 | 2412576 | 1893-04-22 | 271.64 |
| -115 | 2412860 | 1894-01-31 | 271.63 |
| -114 | 2413128 | 1894-10-26 | 272.93 |
| -113 | 2413402 | 1895-07-27 | 275.51 |
| -112 | 2413687 | 1896-05-07 | 275.86 |
| -111 | 2413958 | 1897-02-02 | 275.43 |
| -110 | 2414233 | 1897-11-04 | 275.92 |
| -109 | 2414516 | 1898-08-14 | 273.71 |
| -108 | 2414782 | 1899-05-07 | 272.86 |
| -107 | 2415062 | 1900-02-11 | 273.36 |
| -106 | 2415331 | 1900-11-07 | 272.64 |
| -105 | 2415590 | 1901-07-24 | 271.78 |
| -104 | 2415875 | 1902-05-05 | 270.43 |
| -103 | 2416143 | 1903-01-28 | 269.86 |
| -102 | 2416423 | 1903-11-04 | 270.93 |
| -101 | 2416680 | 1904-07-18 | 270.07 |
| -100 | 2416950 | 1905-04-14 | 268.92 |
| -99 | 2417221 | 1906-01-10 | 267.78 |
| -98 | 2417493 | 1906-10-09 | 268.01 |
| -97 | 2417753 | 1907-06-26 | 270.86 |
| -96 | 2418030 | 1908-03-29 | 270.21 |
| -95 | 2418285 | 1908-12-09 | 269.35 |
| -94 | 2418570 | 1909-09-20 | 270.28 |
| -93 | 2418852 | 1910-06-29 | 270.08 |
| -92 | 2419102 | 1911-03-06 | 271.51 |
| -91 | 2419383 | 1911-12-12 | 272.07 |
| -90 | 2419647 | 1912-09-01 | 270.49 |
| -89 | 2419917 | 1913-05-29 | 271.28 |
| -88 | 2420199 | 1914-03-07 | 272.43 |
| -87 | 2420465 | 1914-11-28 | 273.43 |
| -86 | 2420744 | 1915-09-03 | 274.43 |
| -85 | 2421008 | 1916-05-24 | 274.35 |
| -84 | 2421291 | 1917-03-03 | 274.21 |
| -83 | 2421567 | 1917-12-04 | 273.65 |
| -82 | 2421839 | 1918-09-02 | 274.29 |
| -81 | 2422118 | 1919-06-08 | 275 |
| -80 | 2422385 | 1920-03-01 | 274.42 |
| -79 | 2422655 | 1920-11-26 | 273.86 |
| -78 | 2422937 | 1921-09-04 | 273.58 |
| -77 | 2423212 | 1922-06-06 | 274.01 |
| -76 | 2423488 | 1923-03-09 | 274.86 |
| -75 | 2423752 | 1923-11-28 | 274.85 |
| -74 | 2424035 | 1924-09-06 | 274.43 |
| -73 | 2424304 | 1925-06-02 | 273.72 |
| -72 | 2424584 | 1926-03-09 | 274.29 |
| -71 | 2424856 | 1926-12-06 | 275.21 |
| -70 | 2425135 | 1927-09-11 | 274.21 |
| -69 | 2425397 | 1928-05-30 | 272.71 |
| -68 | 2425683 | 1929-03-12 | 270.93 |
| -67 | 2425957 | 1929-12-11 | 269.93 |
| -66 | 2426221 | 1930-09-01 | 269.71 |
| -65 | 2426485 | 1931-05-23 | 268.35 |
| -64 | 2426748 | 1932-02-10 | 265.86 |
| -63 | 2427022 | 1932-11-10 | 264.36 |
| -62 | 2427286 | 1933-08-01 | 263.22 |
| -61 | 2427551 | 1934-04-23 | 262.71 |
| -60 | 2427811 | 1935-01-08 | 261.85 |
| -59 | 2428068 | 1935-09-22 | 260.78 |
| -58 | 2428323 | 1936-06-03 | 260.93 |
| -57 | 2428588 | 1937-02-23 | 260.22 |
| -56 | 2428848 | 1937-11-10 | 259.64 |
| -55 | 2429111 | 1938-07-31 | 260.56 |
| -54 | 2429379 | 1939-04-25 | 262.14 |
| -53 | 2429626 | 1939-12-28 | 264.29 |
| -52 | 2429888 | 1940-09-15 | 265.29 |
| -51 | 2430151 | 1941-06-05 | 264.93 |
| -50 | 2430430 | 1942-03-11 | 265.71 |
| -49 | 2430706 | 1942-12-12 | 266.14 |
| -48 | 2430967 | 1943-08-30 | 266.86 |
| -47 | 2431232 | 1944-05-21 | 267.65 |
| -46 | 2431493 | 1945-02-06 | 266.5 |
| -45 | 2431747 | 1945-10-18 | 266.28 |
| -44 | 2432028 | 1946-07-26 | 267.5 |
| -43 | 2432300 | 1947-04-24 | 268.43 |
| -42 | 2432567 | 1948-01-16 | 269.93 |
| -41 | 2432834 | 1948-10-09 | 270.28 |
| -40 | 2433110 | 1949-07-12 | 269.63 |
| -39 | 2433373 | 1950-04-01 | 270.57 |
| -38 | 2433646 | 1950-12-30 | 271.65 |
| -37 | 2433913 | 1951-09-23 | 272.15 |
| -36 | 2434190 | 1952-06-26 | 273 |
| -35 | 2434465 | 1953-03-28 | 273.78 |
| -34 | 2434739 | 1953-12-27 | 273.71 |
| -33 | 2435015 | 1954-09-29 | 273.01 |
| -32 | 2435290 | 1955-07-01 | 272.65 |
| -31 | 2435562 | 1956-03-29 | 272.71 |
| -30 | 2435829 | 1956-12-21 | 271.99 |
| -29 | 2436096 | 1957-09-14 | 271.64 |
| -28 | 2436376 | 1958-06-21 | 273.08 |
| -27 | 2436646 | 1959-03-18 | 274.93 |
| -26 | 2436916 | 1959-12-13 | 275.07 |
| -25 | 2437192 | 1960-09-14 | 273.92 |
| -24 | 2437483 | 1961-07-02 | 273.64 |
| -23 | 2437757 | 1962-04-02 | 274.65 |
| -22 | 2438019 | 1962-12-20 | 274.08 |
| -21 | 2438288 | 1963-09-15 | 272 |
| -20 | 2438565 | 1964-06-18 | 270.56 |
| -19 | 2438842 | 1965-03-22 | 271.93 |
| -18 | 2439103 | 1965-12-08 | 272.86 |
| -17 | 2439380 | 1966-09-11 | 271.79 |
| -16 | 2439648 | 1967-06-06 | 271.28 |
| -15 | 2439935 | 1968-03-19 | 271.35 |
| -14 | 2440192 | 1968-12-01 | 271.64 |
| -13 | 2440466 | 1969-09-01 | 271.58 |
| -12 | 2440739 | 1970-06-01 | 269.72 |
| -11 | 2441005 | 1971-02-22 | 268.36 |
| -10 | 2441281 | 1971-11-25 | 268.21 |
| -9 | 2441549 | 1972-08-19 | 267.43 |
| -8 | 2441810 | 1973-05-07 | 267.79 |
| -7 | 2442074 | 1974-01-26 | 267.01 |
| -6 | 2442339 | 1974-10-18 | 266.14 |
| -5 | 2442610 | 1975-07-16 | 267.35 |
| -4 | 2442883 | 1976-04-14 | 269 |
| -3 | 2443141 | 1976-12-28 | 269.51 |
| -2 | 2443415 | 1977-09-28 | 268.65 |
| -1 | 2443687 | 1978-06-27 | 267.93 |
| 0 | 2443963 | 1979-03-30 | 268.21 |
| 1 | 2444223 | 1979-12-15 | 268.78 |
| 2 | 2444487 | 1980-09-04 | 268.22 |
| 3 | 2444757 | 1981-06-01 | 267.43 |
| 4 | 2445022 | 1982-02-21 | 268.71 |
| 5 | 2445297 | 1982-11-23 | 271.06 |
| 6 | 2445560 | 1983-08-13 | 271.28 |
| 7 | 2445834 | 1984-05-13 | 270.79 |
| 8 | 2446114 | 1985-02-17 | 271.01 |
| 9 | 2446391 | 1985-11-21 | 270.86 |
| 10 | 2446651 | 1986-08-08 | 270.35 |
| 11 | 2446919 | 1987-05-03 | 270.14 |
| 12 | 2447194 | 1988-02-02 | 269.65 |
| 13 | 2447455 | 1988-10-20 | 269.58 |
| 14 | 2447724 | 1989-07-16 | 270.43 |
| 15 | 2448006 | 1990-04-24 | 271.35 |
| 16 | 2448274 | 1991-01-17 | 273.07 |
| 17 | 2448542 | 1991-10-12 | 274.15 |
| 18 | 2448814 | 1992-07-10 | 273.93 |
| 19 | 2449098 | 1993-04-20 | 273.64 |
| 20 | 2449374 | 1994-01-21 | 273.21 |
| 21 | 2449643 | 1994-10-17 | 272.21 |
| 22 | 2449922 | 1995-07-23 | 270.93 |
| 23 | 2450189 | 1996-04-15 | 270.29 |
| 24 | 2450452 | 1997-01-03 | 270.57 |
| 25 | 2450715 | 1997-09-23 | 269.21 |
| 26 | 2450990 | 1998-06-25 | 268.86 |
| 27 | 2451266 | 1999-03-28 | 270.08 |
| 28 | 2451539 | 1999-12-26 | 270.36 |
| 29 | 2451795 | 2000-09-07 | 270.57 |
| 30 | 2452080 | 2001-06-19 | 271.06 |
| 31 | 2452342 | 2002-03-08 | 271 |
| 32 | 2452610 | 2002-12-01 | 271.15 |
| 33 | 2452883 | 2003-08-31 | 271.15 |
| 34 | 2453168 | 2004-06-11 | 270.21 |
| 35 | 2453431 | 2005-03-01 | 271.49 |
| 36 | 2453699 | 2005-11-24 | 272.5 |
| 37 | 2453972 | 2006-08-24 | 271.36 |
| 38 | 2454233 | 2007-05-12 | 271.36 |
| 39 | 2454520 | 2008-02-23 | 271.93 |
| 40 | 2454788 | 2008-11-17 | 271.28 |
| 41 | 2455062 | 2009-08-18 | 270.86 |
| 42 | 2455336 | 2010-05-19 | 269.36 |
| 43 | 2455601 | 2011-02-08 | 267.86 |
| 44 | 2455868 | 2011-11-02 | 268.36 |
| 45 | 2456129 | 2012-07-20 | 268.06 |
| 46 | 2456395 | 2013-04-12 | 268.14 |
| 47 | 2456663 | 2014-01-05 | 268.58 |
| 48 | 2456944 | 2014-10-13 | 267.51 |
| 49 | 2457207 | 2015-07-03 | 267.57 |
| 50 | 2457484 | 2016-04-05 | 267.49 |
| 51 | 2457745 | 2016-12-22 | 265.57 |
| 52 | 2457997 | 2017-08-31 | 265.08 |
| 53 | 2458273 | 2018-06-03 | 265.22 |
| 54 | 2458530 | 2019-02-15 | 264.64 |
| 55 | 2458795 | 2019-11-07 | 265.78 |
| 56 | 2459067 | 2020-08-05 | 266.16 |
| 57 | 2459337 | 2021-05-02 | 265.98 |
| 58 | 2459597 | 2022-01-17 | 268.09 |
| 59 | 2459866 | 2022-10-13 | 268.7 |
| 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. |