| E | O (JD) | O (dat) | Period |
| -173 | 2411670 | 1890-10-29 | 189.74 |
| -171 | 2412048 | 1891-11-11 | 189.33 |
| -169 | 2412428 | 1892-11-25 | 189.94 |
| -168 | 2412622 | 1893-06-07 | 190.08 |
| -167 | 2412807 | 1893-12-09 | 189.81 |
| -166 | 2412997 | 1894-06-17 | 189.35 |
| -165 | 2413182 | 1894-12-19 | 189.6 |
| -164 | 2413385 | 1895-07-10 | 189.74 |
| -163 | 2413571 | 1896-01-12 | 190.44 |
| -162 | 2413753 | 1896-07-12 | 190.23 |
| -161 | 2413935 | 1897-01-10 | 189.99 |
| -160 | 2414141 | 1897-08-04 | 190.11 |
| -159 | 2414330 | 1898-02-09 | 189.61 |
| -158 | 2414532 | 1898-08-30 | 189.65 |
| -157 | 2414700 | 1899-02-14 | 190.08 |
| -156 | 2414893 | 1899-08-26 | 189.88 |
| -155 | 2415090 | 1900-03-11 | 188.84 |
| -154 | 2415273 | 1900-09-10 | 188.81 |
| -152 | 2415650 | 1901-09-22 | 188.96 |
| -151 | 2415850 | 1902-04-10 | 189.84 |
| -150 | 2416035 | 1902-10-12 | 190.32 |
| -149 | 2416213 | 1903-04-08 | 190.22 |
| -148 | 2416409 | 1903-10-21 | 190.42 |
| -147 | 2416603 | 1904-05-02 | 190.45 |
| -146 | 2416796 | 1904-11-11 | 190.12 |
| -145 | 2416999 | 1905-06-02 | 190.27 |
| -144 | 2417174 | 1905-11-24 | 190.1 |
| -143 | 2417362 | 1906-05-31 | 189.29 |
| -142 | 2417555 | 1906-12-10 | 189.09 |
| -141 | 2417742 | 1907-06-15 | 189.06 |
| -140 | 2417931 | 1907-12-21 | 188.96 |
| -139 | 2418118 | 1908-06-25 | 190.36 |
| -138 | 2418307 | 1908-12-31 | 189.85 |
| -137 | 2418504 | 1909-07-16 | 190.07 |
| -136 | 2418694 | 1910-01-22 | 190.61 |
| -135 | 2418879 | 1910-07-26 | 190.57 |
| -134 | 2419085 | 1911-02-17 | 190.48 |
| -133 | 2419250 | 1911-08-01 | 190.13 |
| -132 | 2419456 | 1912-02-23 | 190.29 |
| -131 | 2419650 | 1912-09-04 | 190.51 |
| -130 | 2419832 | 1913-03-05 | 190.73 |
| -129 | 2420022 | 1913-09-11 | 191.03 |
| -128 | 2420210 | 1914-03-18 | 191.56 |
| -127 | 2420413 | 1914-10-07 | 191.25 |
| -126 | 2420599 | 1915-04-11 | 191.45 |
| -125 | 2420790 | 1915-10-19 | 192.26 |
| -124 | 2420989 | 1916-05-05 | 192.48 |
| -123 | 2421169 | 1916-11-01 | 192.37 |
| -122 | 2421369 | 1917-05-20 | 192.44 |
| -121 | 2421557 | 1917-11-24 | 192.55 |
| -120 | 2421758 | 1918-06-13 | 192.16 |
| -119 | 2421948 | 1918-12-20 | 191.75 |
| -118 | 2422136 | 1919-06-26 | 191.57 |
| -117 | 2422337 | 1920-01-13 | 190.5 |
| -116 | 2422520 | 1920-07-14 | 190.41 |
| -115 | 2422707 | 1921-01-17 | 189.99 |
| -114 | 2422899 | 1921-07-28 | 190.09 |
| -113 | 2423087 | 1922-02-01 | 190.11 |
| -112 | 2423271 | 1922-08-04 | 190.22 |
| -111 | 2423473 | 1923-02-22 | 191.02 |
| -110 | 2423661 | 1923-08-29 | 191.09 |
| -109 | 2423852 | 1924-03-07 | 190.97 |
| -108 | 2424041 | 1924-09-12 | 190.82 |
| -107 | 2424236 | 1925-03-26 | 190.99 |
| -106 | 2424430 | 1925-10-06 | 191.07 |
| -105 | 2424613 | 1926-04-07 | 191.19 |
| -104 | 2424803 | 1926-10-14 | 191.04 |
| -103 | 2424991 | 1927-04-20 | 190.77 |
| -102 | 2425191 | 1927-11-06 | 190.59 |
| -101 | 2425389 | 1928-05-22 | 190.73 |
| -100 | 2425571 | 1928-11-20 | 190.92 |
| -99 | 2425759 | 1929-05-27 | 190.62 |
| -98 | 2425947 | 1929-12-01 | 190.07 |
| -97 | 2426141 | 1930-06-13 | 189.89 |
| -96 | 2426334 | 1930-12-23 | 190.15 |
| -95 | 2426522 | 1931-06-29 | 190.88 |
| -94 | 2426710 | 1932-01-03 | 190.85 |
| -93 | 2426896 | 1932-07-07 | 190.64 |
| -92 | 2427097 | 1933-01-24 | 190.65 |
| -91 | 2427288 | 1933-08-03 | 190.55 |
| -90 | 2427480 | 1934-02-11 | 190.88 |
| -89 | 2427663 | 1934-08-13 | 191.13 |
| -88 | 2427852 | 1935-02-18 | 190.79 |
| -87 | 2428050 | 1935-09-04 | 190.45 |
| -86 | 2428235 | 1936-03-07 | 190.12 |
| -85 | 2428432 | 1936-09-20 | 190.15 |
| -84 | 2428624 | 1937-03-31 | 190.48 |
| -83 | 2428806 | 1937-09-29 | 189.86 |
| -82 | 2429002 | 1938-04-13 | 189.35 |
| -81 | 2429182 | 1938-10-10 | 189.41 |
| -80 | 2429378 | 1939-04-24 | 189.55 |
| -79 | 2429572 | 1939-11-04 | 189.72 |
| -78 | 2429750 | 1940-04-30 | 189.91 |
| -77 | 2429943 | 1940-11-09 | 190.48 |
| -76 | 2430136 | 1941-05-21 | 190.85 |
| -75 | 2430333 | 1941-12-04 | 191.04 |
| -74 | 2430517 | 1942-06-06 | 191.35 |
| -73 | 2430704 | 1942-12-10 | 191.75 |
| -72 | 2430910 | 1943-07-04 | 191.27 |
| -71 | 2431091 | 1944-01-01 | 190.84 |
| -70 | 2431289 | 1944-07-17 | 190.61 |
| -69 | 2431478 | 1945-01-22 | 190.45 |
| -68 | 2431667 | 1945-07-30 | 190.2 |
| -67 | 2431853 | 1946-02-01 | 189.53 |
| -66 | 2432043 | 1946-08-10 | 189.38 |
| -65 | 2432236 | 1947-02-19 | 189.28 |
| -64 | 2432421 | 1947-08-23 | 189.49 |
| -63 | 2432616 | 1948-03-05 | 190.02 |
| -62 | 2432802 | 1948-09-07 | 190.29 |
| -61 | 2432986 | 1949-03-10 | 190.31 |
| -60 | 2433185 | 1949-09-25 | 190.17 |
| -59 | 2433373 | 1950-04-01 | 190.53 |
| -58 | 2433570 | 1950-10-15 | 190.99 |
| -57 | 2433756 | 1951-04-19 | 191.35 |
| -56 | 2433945 | 1951-10-25 | 191.33 |
| -55 | 2434132 | 1952-04-29 | 190.49 |
| -54 | 2434329 | 1952-11-12 | 190.32 |
| -53 | 2434528 | 1953-05-30 | 189.93 |
| -52 | 2434713 | 1953-12-01 | 189.99 |
| -51 | 2434901 | 1954-06-07 | 189.68 |
| -50 | 2435082 | 1954-12-05 | 189.35 |
| -49 | 2435277 | 1955-06-18 | 188.68 |
| -48 | 2435465 | 1955-12-23 | 188.43 |
| -47 | 2435657 | 1956-07-02 | 188.75 |
| -46 | 2435843 | 1957-01-04 | 188.75 |
| -45 | 2436033 | 1957-07-13 | 188.91 |
| -44 | 2436219 | 1958-01-15 | 189.03 |
| -43 | 2436409 | 1958-07-24 | 188.91 |
| -42 | 2436599 | 1959-01-30 | 189.27 |
| -41 | 2436784 | 1959-08-03 | 189.45 |
| -40 | 2436976 | 1960-02-11 | 189.48 |
| -39 | 2437173 | 1960-08-26 | 189.64 |
| -38 | 2437352 | 1961-02-21 | 189.83 |
| -37 | 2437552 | 1961-09-09 | 189.84 |
| -36 | 2437735 | 1962-03-11 | 189.97 |
| -35 | 2437924 | 1962-09-16 | 189.67 |
| -34 | 2438115 | 1963-03-26 | 189.9 |
| -33 | 2438309 | 1963-10-06 | 190.09 |
| -32 | 2438495 | 1964-04-09 | 189.54 |
| -31 | 2438687 | 1964-10-18 | 189.83 |
| -30 | 2438873 | 1965-04-22 | 189.62 |
| -29 | 2439072 | 1965-11-07 | 189.44 |
| -28 | 2439254 | 1966-05-08 | 189.19 |
| -27 | 2439439 | 1966-11-09 | 189.67 |
| -26 | 2439635 | 1967-05-24 | 189.94 |
| -25 | 2439821 | 1967-11-26 | 190.32 |
| -24 | 2440012 | 1968-06-04 | 190.18 |
| -23 | 2440199 | 1968-12-08 | 190.98 |
| -22 | 2440399 | 1969-06-26 | 191.42 |
| -21 | 2440589 | 1970-01-02 | 191.25 |
| -20 | 2440780 | 1970-07-12 | 191.56 |
| -19 | 2440964 | 1971-01-12 | 191.42 |
| -18 | 2441164 | 1971-07-31 | 191.44 |
| -17 | 2441356 | 1972-02-08 | 190.77 |
| -16 | 2441541 | 1972-08-11 | 190.82 |
| -15 | 2441737 | 1973-02-23 | 190.61 |
| -14 | 2441924 | 1973-08-29 | 190.55 |
| -13 | 2442119 | 1974-03-12 | 190.25 |
| -12 | 2442301 | 1974-09-10 | 190.55 |
| -11 | 2442497 | 1975-03-25 | 190.59 |
| -10 | 2442683 | 1975-09-27 | 190.35 |
| -9 | 2442876 | 1976-04-07 | 190.39 |
| -8 | 2443069 | 1976-10-17 | 190.54 |
| -7 | 2443263 | 1977-04-29 | 190.55 |
| -6 | 2443447 | 1977-10-30 | 190.21 |
| -5 | 2443637 | 1978-05-08 | 190.18 |
| -4 | 2443827 | 1978-11-14 | 189.61 |
| -3 | 2444023 | 1979-05-29 | 189.85 |
| -2 | 2444206 | 1979-11-28 | 189.64 |
| -1 | 2444397 | 1980-06-06 | 190.05 |
| 0 | 2444588 | 1980-12-14 | 190.16 |
| 1 | 2444771 | 1981-06-15 | 190.28 |
| 2 | 2444975 | 1982-01-05 | 190.08 |
| 3 | 2445153 | 1982-07-02 | 190.49 |
| 4 | 2445351 | 1983-01-16 | 190.57 |
| 5 | 2445541 | 1983-07-25 | 190.55 |
| 6 | 2445732 | 1984-02-01 | 190.37 |
| 7 | 2445916 | 1984-08-03 | 190.27 |
| 8 | 2446112 | 1985-02-15 | 190.47 |
| 9 | 2446303 | 1985-08-25 | 190.52 |
| 10 | 2446491 | 1986-03-01 | 190.62 |
| 11 | 2446677 | 1986-09-03 | 190.18 |
| 12 | 2446877 | 1987-03-22 | 190.27 |
| 13 | 2447060 | 1987-09-21 | 189.98 |
| 14 | 2447260 | 1988-04-08 | 189.74 |
| 15 | 2447445 | 1988-10-10 | 189.5 |
| 16 | 2447624 | 1989-04-07 | 189.41 |
| 17 | 2447823 | 1989-10-23 | 189.03 |
| 18 | 2448012 | 1990-04-30 | 189.28 |
| 19 | 2448197 | 1990-11-01 | 189.14 |
| 20 | 2448385 | 1991-05-08 | 189.38 |
| 21 | 2448579 | 1991-11-18 | 189.74 |
| 22 | 2448767 | 1992-05-24 | 189.33 |
| 23 | 2448959 | 1992-12-02 | 189.78 |
| 24 | 2449147 | 1993-06-08 | 189.88 |
| 25 | 2449333 | 1993-12-11 | 189.69 |
| 26 | 2449528 | 1994-06-24 | 189.8 |
| 27 | 2449713 | 1994-12-26 | 189.67 |
| 28 | 2449911 | 1995-07-12 | 189.96 |
| 29 | 2450094 | 1996-01-11 | 190.05 |
| 30 | 2450282 | 1996-07-17 | 190.12 |
| 31 | 2450480 | 1997-01-31 | 189.88 |
| 32 | 2450661 | 1997-07-31 | 190.14 |
| 33 | 2450861 | 1998-02-16 | 190.15 |
| 34 | 2451045 | 1998-08-19 | 190.91 |
| 35 | 2451236 | 1999-02-26 | 191.04 |
| 36 | 2451424 | 1999-09-02 | 191.1 |
| 37 | 2451619 | 2000-03-15 | 191.24 |
| 38 | 2451810 | 2000-09-22 | 191.14 |
| 39 | 2452008 | 2001-04-08 | 191.52 |
| 40 | 2452194 | 2001-10-11 | 191.63 |
| 41 | 2452387 | 2002-04-22 | 191.17 |
| 42 | 2452572 | 2002-10-24 | 190.68 |
| 43 | 2452768 | 2003-05-08 | 189.99 |
| 44 | 2452960 | 2003-11-16 | 189.68 |
| 45 | 2453153 | 2004-05-27 | 190.08 |
| 46 | 2453333 | 2004-11-23 | 189.86 |
| 47 | 2453526 | 2005-06-04 | 189.99 |
| 48 | 2453708 | 2005-12-03 | 189.38 |
| 49 | 2453905 | 2006-06-18 | 189.23 |
| 50 | 2454102 | 2007-01-01 | 189.3 |
| 51 | 2454284 | 2007-07-02 | 189.25 |
| 52 | 2454478 | 2008-01-12 | 189.25 |
| 53 | 2454658 | 2008-07-10 | 189.61 |
| 54 | 2454850 | 2009-01-18 | 189.25 |
| 55 | 2455041 | 2009-07-28 | 189.54 |
| 56 | 2455223 | 2010-01-26 | 190.1 |
| 57 | 2455422 | 2010-08-13 | 190.44 |
| 58 | 2455616 | 2011-02-23 | 190.42 |
| 59 | 2455800 | 2011-08-26 | 190.43 |
| 60 | 2455996 | 2012-03-09 | 190.57 |
| 61 | 2456184 | 2012-09-13 | 190.25 |
| 62 | 2456377 | 2013-03-25 | 189.81 |
| 63 | 2456555 | 2013-09-19 | 189.81 |
| 64 | 2456755 | 2014-04-07 | 189.83 |
| 65 | 2456947 | 2014-10-16 | 189.98 |
| 66 | 2457127 | 2015-04-14 | 190.15 |
| 67 | 2457323 | 2015-10-27 | 190.46 |
| 68 | 2457514 | 2016-05-05 | 191.03 |
| 69 | 2457700 | 2016-11-07 | 190.94 |
| 70 | 2457899 | 2017-05-25 | 191 |
| 71 | 2458084 | 2017-11-26 | 191.42 |
| 72 | 2458279 | 2018-06-09 | 191.14 |
| 73 | 2458472 | 2018-12-19 | 191 |
| 74 | 2458663 | 2019-06-28 | 191.25 |
| 75 | 2458848 | 2019-12-30 | 190.92 |
| 76 | 2459044 | 2020-07-13 | 191.05 |
| 77 | 2459232 | 2021-01-17 | 190.8 |
| 78 | 2459421 | 2021-07-25 | 190.75 |
| 79 | 2459620 | 2022-02-09 | 190.96 |
| 80 | 2459805 | 2022-08-13 | 191.49 |
| 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. |