| E | O (JD) | O (dat) | Period |
| -221 | 2399104 | 1856-06-03 | 201.45 |
| -219 | 2399469 | 1857-06-03 | 203.73 |
| -218 | 2399650 | 1857-12-01 | 205.32 |
| -216 | 2400080 | 1859-02-04 | 206.49 |
| -214 | 2400500 | 1860-03-30 | 206.9 |
| -212 | 2400894 | 1861-04-28 | 207.14 |
| -211 | 2401130 | 1861-12-20 | 208.48 |
| -209 | 2401548 | 1863-02-11 | 208.58 |
| -205 | 2402378 | 1865-05-21 | 208.04 |
| -203 | 2402790 | 1866-07-07 | 207.96 |
| -202 | 2402999 | 1867-02-01 | 207.8 |
| -200 | 2403413 | 1868-03-21 | 206.87 |
| -198 | 2403822 | 1869-05-04 | 206.56 |
| -196 | 2404236 | 1870-06-22 | 206.58 |
| -195 | 2404450 | 1871-01-22 | 206.27 |
| -194 | 2404650 | 1871-08-10 | 206.1 |
| -193 | 2404852 | 1872-02-28 | 206.01 |
| -191 | 2405266 | 1873-04-17 | 206.22 |
| -189 | 2405688 | 1874-06-13 | 206.55 |
| -184 | 2406707 | 1877-03-28 | 206.65 |
| -182 | 2407121 | 1878-05-16 | 206.82 |
| -180 | 2407533 | 1879-07-02 | 206.74 |
| -179 | 2407750 | 1880-02-04 | 207.07 |
| -177 | 2408174 | 1881-04-03 | 206.98 |
| -175 | 2408579 | 1882-05-13 | 206.79 |
| -174 | 2408782 | 1882-12-02 | 206.5 |
| -173 | 2408980 | 1883-06-18 | 206.31 |
| -156 | 2412516 | 1893-02-21 | 206.28 |
| -154 | 2412918 | 1894-03-30 | 206.25 |
| -152 | 2413314 | 1895-04-30 | 206.4 |
| -147 | 2414345 | 1898-02-24 | 206.59 |
| -145 | 2414758 | 1899-04-13 | 206.97 |
| -143 | 2415186 | 1900-06-15 | 207.06 |
| -142 | 2415386 | 1901-01-01 | 207.86 |
| -140 | 2415805 | 1902-02-24 | 208.21 |
| -138 | 2416229 | 1903-04-24 | 208.07 |
| -137 | 2416454 | 1903-12-05 | 207.61 |
| -136 | 2416638 | 1904-06-06 | 206.79 |
| -135 | 2416853 | 1905-01-07 | 206.56 |
| -134 | 2417039 | 1905-07-12 | 206.18 |
| -133 | 2417249 | 1906-02-07 | 205.42 |
| -132 | 2417462 | 1906-09-08 | 205.27 |
| -131 | 2417667 | 1907-04-01 | 206.26 |
| -129 | 2418082 | 1908-05-20 | 206.95 |
| -128 | 2418296 | 1908-12-20 | 207.28 |
| -127 | 2418489 | 1909-07-01 | 206.87 |
| -126 | 2418695 | 1910-01-23 | 206.91 |
| -125 | 2418907 | 1910-08-23 | 206.6 |
| -124 | 2419128 | 1911-04-01 | 206.56 |
| -122 | 2419525 | 1912-05-02 | 206.46 |
| -121 | 2419733 | 1912-11-26 | 206.77 |
| -120 | 2419949 | 1913-06-30 | 206.78 |
| -119 | 2420141 | 1914-01-08 | 206.23 |
| -118 | 2420356 | 1914-08-11 | 205.77 |
| -117 | 2420559 | 1915-03-02 | 206.02 |
| -116 | 2420767 | 1915-09-26 | 205.85 |
| -115 | 2420981 | 1916-04-27 | 205.11 |
| -114 | 2421177 | 1916-11-09 | 205.45 |
| -113 | 2421381 | 1917-06-01 | 205.63 |
| -112 | 2421584 | 1917-12-21 | 205.84 |
| -111 | 2421797 | 1918-07-22 | 206.39 |
| -110 | 2421989 | 1919-01-30 | 206.8 |
| -109 | 2422205 | 1919-09-03 | 207.21 |
| -108 | 2422422 | 1920-04-07 | 207.74 |
| -107 | 2422621 | 1920-10-23 | 207.79 |
| -106 | 2422838 | 1921-05-28 | 208.07 |
| -105 | 2423041 | 1921-12-17 | 208.77 |
| -104 | 2423239 | 1922-07-03 | 207.8 |
| -103 | 2423458 | 1923-02-07 | 207.38 |
| -102 | 2423659 | 1923-08-27 | 207.57 |
| -101 | 2423876 | 1924-03-31 | 207.45 |
| -100 | 2424088 | 1924-10-29 | 207.05 |
| -99 | 2424279 | 1925-05-08 | 206.73 |
| -98 | 2424490 | 1925-12-05 | 206.25 |
| -97 | 2424700 | 1926-07-03 | 206.2 |
| -96 | 2424910 | 1927-01-29 | 206.06 |
| -95 | 2425101 | 1927-08-08 | 206.44 |
| -94 | 2425312 | 1928-03-06 | 206.64 |
| -93 | 2425525 | 1928-10-05 | 206.07 |
| -92 | 2425729 | 1929-04-27 | 206.39 |
| -91 | 2425940 | 1929-11-24 | 206.68 |
| -90 | 2426147 | 1930-06-19 | 207.1 |
| -89 | 2426343 | 1931-01-01 | 206.88 |
| -88 | 2426548 | 1931-07-25 | 206.85 |
| -87 | 2426768 | 1932-03-01 | 206.75 |
| -86 | 2426971 | 1932-09-20 | 206.51 |
| -85 | 2427176 | 1933-04-13 | 206.51 |
| -84 | 2427386 | 1933-11-09 | 206.94 |
| -83 | 2427594 | 1934-06-05 | 206.45 |
| -82 | 2427793 | 1934-12-21 | 206.05 |
| -81 | 2427999 | 1935-07-15 | 205.32 |
| -80 | 2428205 | 1936-02-06 | 204.75 |
| -79 | 2428419 | 1936-09-07 | 204.7 |
| -78 | 2428618 | 1937-03-25 | 204.76 |
| -77 | 2428829 | 1937-10-22 | 205.07 |
| -76 | 2429014 | 1938-04-25 | 204.87 |
| -75 | 2429223 | 1938-11-20 | 204.8 |
| -74 | 2429439 | 1939-06-24 | 204.71 |
| -73 | 2429642 | 1940-01-13 | 205.01 |
| -72 | 2429849 | 1940-08-07 | 205.62 |
| -71 | 2430050 | 1941-02-24 | 206.16 |
| -70 | 2430257 | 1941-09-19 | 205.71 |
| -69 | 2430461 | 1942-04-11 | 206.15 |
| -68 | 2430664 | 1942-10-31 | 206.73 |
| -67 | 2430881 | 1943-06-05 | 207.06 |
| -66 | 2431079 | 1943-12-20 | 207.58 |
| -65 | 2431285 | 1944-07-13 | 208.47 |
| -64 | 2431508 | 1945-02-21 | 208.55 |
| -63 | 2431709 | 1945-09-10 | 208.52 |
| -62 | 2431914 | 1946-04-03 | 208.54 |
| -61 | 2432124 | 1946-10-30 | 208.58 |
| -60 | 2432346 | 1947-06-09 | 207.59 |
| -59 | 2432539 | 1947-12-19 | 206.7 |
| -58 | 2432748 | 1948-07-15 | 206.7 |
| -57 | 2432963 | 1949-02-15 | 206.52 |
| -56 | 2433163 | 1949-09-03 | 206.16 |
| -55 | 2433359 | 1950-03-18 | 206.04 |
| -54 | 2433570 | 1950-10-15 | 206.66 |
| -53 | 2433779 | 1951-05-12 | 206.79 |
| -52 | 2433988 | 1951-12-07 | 206.77 |
| -51 | 2434194 | 1952-06-30 | 207.18 |
| -50 | 2434403 | 1953-01-25 | 207.05 |
| -49 | 2434609 | 1953-08-19 | 206.48 |
| -48 | 2434819 | 1954-03-17 | 206.49 |
| -47 | 2435021 | 1954-10-05 | 206.53 |
| -46 | 2435227 | 1955-04-29 | 206.71 |
| -45 | 2435428 | 1955-11-16 | 206.7 |
| -44 | 2435636 | 1956-06-11 | 206.82 |
| -43 | 2435851 | 1957-01-12 | 207.19 |
| -42 | 2436057 | 1957-08-06 | 207.84 |
| -41 | 2436265 | 1958-03-02 | 208.18 |
| -40 | 2436469 | 1958-09-22 | 208.49 |
| -39 | 2436676 | 1959-04-17 | 207.96 |
| -38 | 2436889 | 1959-11-16 | 207.83 |
| -37 | 2437099 | 1960-06-13 | 207.85 |
| -36 | 2437306 | 1961-01-06 | 208.08 |
| -35 | 2437515 | 1961-08-03 | 208.07 |
| -34 | 2437713 | 1962-02-17 | 207.87 |
| -33 | 2437929 | 1962-09-21 | 207.65 |
| -32 | 2438133 | 1963-04-13 | 206.55 |
| -31 | 2438347 | 1963-11-13 | 206.34 |
| -30 | 2438550 | 1964-06-03 | 205.91 |
| -29 | 2438758 | 1964-12-28 | 205.75 |
| -28 | 2438967 | 1965-07-25 | 205.03 |
| -27 | 2439150 | 1966-01-24 | 205.01 |
| -26 | 2439370 | 1966-09-01 | 204.82 |
| -25 | 2439571 | 1967-03-21 | 205.14 |
| -24 | 2439779 | 1967-10-15 | 205.52 |
| -23 | 2439982 | 1968-05-05 | 206 |
| -22 | 2440192 | 1968-12-01 | 206.35 |
| -21 | 2440396 | 1969-06-23 | 206.37 |
| -20 | 2440603 | 1970-01-16 | 206.74 |
| -19 | 2440812 | 1970-08-13 | 207.44 |
| -18 | 2441017 | 1971-03-06 | 207.64 |
| -17 | 2441215 | 1971-09-20 | 207.21 |
| -16 | 2441438 | 1972-04-30 | 206.99 |
| -15 | 2441639 | 1972-11-17 | 206.86 |
| -14 | 2441859 | 1973-06-25 | 206.65 |
| -13 | 2442056 | 1974-01-08 | 206.58 |
| -12 | 2442254 | 1974-07-25 | 206.45 |
| -11 | 2442461 | 1975-02-17 | 205.66 |
| -10 | 2442672 | 1975-09-16 | 205.24 |
| -9 | 2442877 | 1976-04-08 | 204.85 |
| -8 | 2443084 | 1976-11-01 | 205.58 |
| -7 | 2443291 | 1977-05-27 | 206.21 |
| -6 | 2443494 | 1977-12-16 | 206.24 |
| -5 | 2443690 | 1978-06-30 | 206.52 |
| -4 | 2443900 | 1979-01-26 | 207.23 |
| -3 | 2444113 | 1979-08-27 | 207.25 |
| -2 | 2444325 | 1980-03-26 | 207.66 |
| -1 | 2444528 | 1980-10-15 | 208.25 |
| 0 | 2444740 | 1981-05-15 | 208.73 |
| 1 | 2444952 | 1981-12-13 | 208.5 |
| 2 | 2445147 | 1982-06-26 | 208.37 |
| 3 | 2445361 | 1983-01-26 | 208.33 |
| 4 | 2445572 | 1983-08-25 | 209.1 |
| 5 | 2445782 | 1984-03-22 | 209.52 |
| 6 | 2445989 | 1984-10-15 | 209.43 |
| 7 | 2446199 | 1985-05-13 | 209.38 |
| 8 | 2446405 | 1985-12-05 | 208.56 |
| 9 | 2446627 | 1986-07-15 | 208.45 |
| 10 | 2446836 | 1987-02-09 | 208.04 |
| 11 | 2447032 | 1987-08-24 | 208.08 |
| 12 | 2447237 | 1988-03-16 | 208.05 |
| 13 | 2447443 | 1988-10-08 | 207.83 |
| 14 | 2447661 | 1989-05-14 | 207.11 |
| 15 | 2447861 | 1989-11-30 | 207.33 |
| 16 | 2448077 | 1990-07-04 | 207.78 |
| 17 | 2448286 | 1991-01-29 | 207.67 |
| 18 | 2448489 | 1991-08-20 | 206.8 |
| 19 | 2448689 | 1992-03-07 | 205.95 |
| 20 | 2448900 | 1992-10-04 | 205.64 |
| 21 | 2449109 | 1993-05-01 | 205.25 |
| 22 | 2449316 | 1993-11-24 | 205.4 |
| 23 | 2449510 | 1994-06-06 | 205.5 |
| 24 | 2449718 | 1994-12-31 | 205.75 |
| 25 | 2449923 | 1995-07-24 | 205.97 |
| 26 | 2450134 | 1996-02-20 | 206.46 |
| 27 | 2450341 | 1996-09-14 | 206.37 |
| 28 | 2450542 | 1997-04-03 | 206.44 |
| 29 | 2450753 | 1997-10-31 | 206.09 |
| 30 | 2450965 | 1998-05-31 | 205.96 |
| 31 | 2451173 | 1998-12-25 | 205.06 |
| 32 | 2451364 | 1999-07-04 | 204.98 |
| 33 | 2451570 | 2000-01-26 | 205.05 |
| 34 | 2451779 | 2000-08-22 | 204.88 |
| 35 | 2451988 | 2001-03-19 | 204.72 |
| 36 | 2452179 | 2001-09-26 | 205.25 |
| 37 | 2452395 | 2002-04-30 | 205.95 |
| 38 | 2452602 | 2002-11-23 | 205.6 |
| 39 | 2452808 | 2003-06-17 | 205.58 |
| 40 | 2453008 | 2004-01-03 | 206.15 |
| 41 | 2453220 | 2004-08-02 | 206.05 |
| 42 | 2453425 | 2005-02-23 | 205.37 |
| 43 | 2453623 | 2005-09-09 | 205.13 |
| 44 | 2453835 | 2006-04-09 | 204.89 |
| 45 | 2454050 | 2006-11-10 | 205.01 |
| 46 | 2454239 | 2007-05-18 | 204.79 |
| 47 | 2454447 | 2007-12-12 | 204.9 |
| 48 | 2454651 | 2008-07-03 | 204.97 |
| 49 | 2454854 | 2009-01-22 | 205.23 |
| 50 | 2455065 | 2009-08-21 | 205.75 |
| 51 | 2455269 | 2010-03-13 | 206.55 |
| 52 | 2455474 | 2010-10-04 | 206.45 |
| 53 | 2455678 | 2011-04-26 | 206.63 |
| 54 | 2455895 | 2011-11-29 | 206.72 |
| 55 | 2456101 | 2012-06-22 | 206.91 |
| 56 | 2456302 | 2013-01-09 | 207.14 |
| 57 | 2456506 | 2013-08-01 | 207.04 |
| 58 | 2456716 | 2014-02-27 | 206.72 |
| 59 | 2456923 | 2014-09-22 | 206.64 |
| 60 | 2457136 | 2015-04-23 | 206.85 |
| 61 | 2457340 | 2015-11-13 | 207.22 |
| 62 | 2457543 | 2016-06-03 | 207.19 |
| 63 | 2457747 | 2016-12-24 | 206.9 |
| 64 | 2457962 | 2017-07-27 | 207.3 |
| 65 | 2458165 | 2018-02-15 | 207.37 |
| 66 | 2458375 | 2018-09-13 | 208.04 |
| 67 | 2458580 | 2019-04-06 | 207.56 |
| 68 | 2458785 | 2019-10-28 | 207.24 |
| 69 | 2459004 | 2020-06-03 | 206.9 |
| 70 | 2459206 | 2020-12-22 | 206.95 |
| 71 | 2459420 | 2021-07-24 | 206.63 |
| 72 | 2459607 | 2022-01-27 | 206.43 |
| 73 | 2459820 | 2022-08-28 | 205.66 |
| 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. |