| E | O (JD) | O (dat) | Period |
| -158 | 2400976 | 1861-07-19 | 280.89 |
| -157 | 2401257 | 1862-04-26 | 280.64 |
| -156 | 2401540 | 1863-02-03 | 278.15 |
| -155 | 2401812 | 1863-11-02 | 277.45 |
| -154 | 2402105 | 1864-08-21 | 276.9 |
| -153 | 2402379 | 1865-05-22 | 276.2 |
| -152 | 2402659 | 1866-02-26 | 275.36 |
| -151 | 2402911 | 1866-11-05 | 275.74 |
| -150 | 2403196 | 1867-08-17 | 275.91 |
| -149 | 2403470 | 1868-05-17 | 276.42 |
| -148 | 2403738 | 1869-02-09 | 275.22 |
| -147 | 2404019 | 1869-11-17 | 277.29 |
| -146 | 2404317 | 1870-09-11 | 277.36 |
| -145 | 2404585 | 1871-06-06 | 277.46 |
| -144 | 2404875 | 1872-03-22 | 277.84 |
| -141 | 2405657 | 1874-05-13 | 277.95 |
| -137 | 2406819 | 1877-07-18 | 277.55 |
| -135 | 2407344 | 1878-12-25 | 276.48 |
| -134 | 2407638 | 1879-10-15 | 276.67 |
| -133 | 2407923 | 1880-07-26 | 276.42 |
| -132 | 2408196 | 1881-04-25 | 277.01 |
| -131 | 2408462 | 1882-01-16 | 275.48 |
| -129 | 2408985 | 1883-06-23 | 276.44 |
| -127 | 2409566 | 1885-01-24 | 275.46 |
| -126 | 2409834 | 1885-10-19 | 276.04 |
| -125 | 2410119 | 1886-07-31 | 277.19 |
| -124 | 2410403 | 1887-05-11 | 278.09 |
| -122 | 2410957 | 1888-11-15 | 279.09 |
| -121 | 2411208 | 1889-07-24 | 278.81 |
| -118 | 2412060 | 1891-11-23 | 278.52 |
| -117 | 2412349 | 1892-09-07 | 278.49 |
| -116 | 2412623 | 1893-06-08 | 278.75 |
| -115 | 2412912 | 1894-03-24 | 278.43 |
| -114 | 2413190 | 1894-12-27 | 279.15 |
| -113 | 2413443 | 1895-09-06 | 277.43 |
| -112 | 2413740 | 1896-06-29 | 277.16 |
| -111 | 2414020 | 1897-04-05 | 275.78 |
| -110 | 2414271 | 1897-12-12 | 275.57 |
| -109 | 2414577 | 1898-10-14 | 275.84 |
| -108 | 2414839 | 1899-07-03 | 276.3 |
| -107 | 2415127 | 1900-04-17 | 273.47 |
| -106 | 2415369 | 1900-12-15 | 272.74 |
| -105 | 2415670 | 1901-10-12 | 273.22 |
| -104 | 2415943 | 1902-07-12 | 273.19 |
| -103 | 2416220 | 1903-04-15 | 275.39 |
| -102 | 2416450 | 1903-12-01 | 276.18 |
| -101 | 2416741 | 1904-09-17 | 277.57 |
| -100 | 2417032 | 1905-07-05 | 276.04 |
| -99 | 2417322 | 1906-04-21 | 275.85 |
| -98 | 2417614 | 1907-02-07 | 276.28 |
| -97 | 2417876 | 1907-10-27 | 277.09 |
| -96 | 2418151 | 1908-07-28 | 275.46 |
| -95 | 2418401 | 1909-04-04 | 273.82 |
| -94 | 2418676 | 1910-01-04 | 273.04 |
| -93 | 2418963 | 1910-10-18 | 272.68 |
| -92 | 2419243 | 1911-07-25 | 274.16 |
| -91 | 2419518 | 1912-04-25 | 275.17 |
| -90 | 2419782 | 1913-01-14 | 276.93 |
| -89 | 2420060 | 1913-10-19 | 277.97 |
| -88 | 2420327 | 1914-07-13 | 277.48 |
| -87 | 2420618 | 1915-04-30 | 277.01 |
| -86 | 2420894 | 1916-01-31 | 276.73 |
| -85 | 2421184 | 1916-11-16 | 277.05 |
| -84 | 2421475 | 1917-09-03 | 275.55 |
| -83 | 2421726 | 1918-05-12 | 275.45 |
| -82 | 2421992 | 1919-02-02 | 274.87 |
| -81 | 2422266 | 1919-11-03 | 275.01 |
| -80 | 2422554 | 1920-08-17 | 275.21 |
| -79 | 2422804 | 1921-04-24 | 276.35 |
| -78 | 2423106 | 1922-02-20 | 277.45 |
| -77 | 2423384 | 1922-11-25 | 279.52 |
| -76 | 2423662 | 1923-08-30 | 280.9 |
| -75 | 2423941 | 1924-06-04 | 281.85 |
| -74 | 2424223 | 1925-03-13 | 282.27 |
| -73 | 2424481 | 1925-11-26 | 281.09 |
| -72 | 2424802 | 1926-10-13 | 281.25 |
| -71 | 2425083 | 1927-07-21 | 281.02 |
| -70 | 2425363 | 1928-04-26 | 280.71 |
| -69 | 2425625 | 1929-01-13 | 280.25 |
| -68 | 2425904 | 1929-10-19 | 280.32 |
| -67 | 2426191 | 1930-08-02 | 280.02 |
| -66 | 2426466 | 1931-05-04 | 280.85 |
| -65 | 2426747 | 1932-02-09 | 281.18 |
| -64 | 2427026 | 1932-11-14 | 282.02 |
| -63 | 2427316 | 1933-08-31 | 282.53 |
| -62 | 2427617 | 1934-06-28 | 281.48 |
| -61 | 2427884 | 1935-03-22 | 280.46 |
| -60 | 2428152 | 1935-12-15 | 278.9 |
| -59 | 2428441 | 1936-09-29 | 277.51 |
| -58 | 2428735 | 1937-07-20 | 275.65 |
| -57 | 2428988 | 1938-03-30 | 274.1 |
| -56 | 2429261 | 1938-12-28 | 274.11 |
| -55 | 2429533 | 1939-09-26 | 273.65 |
| -54 | 2429813 | 1940-07-02 | 273.26 |
| -53 | 2430081 | 1941-03-27 | 273.6 |
| -52 | 2430351 | 1941-12-22 | 275.55 |
| -51 | 2430631 | 1942-09-28 | 277.61 |
| -50 | 2430903 | 1943-06-27 | 278.94 |
| -49 | 2431187 | 1944-04-06 | 281.37 |
| -48 | 2431463 | 1945-01-07 | 282.69 |
| -47 | 2431750 | 1945-10-21 | 283.2 |
| -46 | 2432052 | 1946-08-19 | 283.48 |
| -45 | 2432321 | 1947-05-15 | 283.69 |
| -44 | 2432631 | 1948-03-20 | 283.05 |
| -43 | 2432890 | 1948-12-04 | 281.21 |
| -42 | 2433166 | 1949-09-06 | 279.92 |
| -41 | 2433454 | 1950-06-21 | 278.63 |
| -40 | 2433737 | 1951-03-31 | 277.75 |
| -39 | 2434013 | 1952-01-01 | 275.79 |
| -38 | 2434268 | 1952-09-12 | 275.79 |
| -37 | 2434565 | 1953-07-06 | 275.33 |
| -36 | 2434841 | 1954-04-08 | 274.52 |
| -35 | 2435106 | 1954-12-29 | 274.35 |
| -34 | 2435370 | 1955-09-19 | 275.19 |
| -33 | 2435651 | 1956-06-26 | 276.31 |
| -32 | 2435934 | 1957-04-05 | 276.28 |
| -31 | 2436204 | 1957-12-31 | 277.21 |
| -30 | 2436480 | 1958-10-03 | 279.41 |
| -29 | 2436768 | 1959-07-18 | 281.75 |
| -28 | 2437049 | 1960-04-24 | 281.3 |
| -27 | 2437325 | 1961-01-25 | 281.45 |
| -26 | 2437601 | 1961-10-28 | 281.19 |
| -25 | 2437905 | 1962-08-28 | 280.57 |
| -24 | 2438203 | 1963-06-22 | 279.5 |
| -23 | 2438444 | 1964-02-18 | 278.45 |
| -22 | 2438735 | 1964-12-05 | 277.53 |
| -21 | 2439003 | 1965-08-30 | 276.93 |
| -20 | 2439285 | 1966-06-08 | 277.09 |
| -19 | 2439560 | 1967-03-10 | 277.33 |
| -18 | 2439831 | 1967-12-06 | 279.29 |
| -17 | 2440109 | 1968-09-09 | 279.08 |
| -16 | 2440397 | 1969-06-24 | 279.34 |
| -15 | 2440697 | 1970-04-20 | 279.17 |
| -14 | 2440953 | 1971-01-01 | 278.75 |
| -13 | 2441243 | 1971-10-18 | 278.25 |
| -12 | 2441514 | 1972-07-15 | 277.78 |
| -11 | 2441789 | 1973-04-16 | 277.36 |
| -10 | 2442069 | 1974-01-21 | 277.18 |
| -9 | 2442338 | 1974-10-17 | 279.55 |
| -8 | 2442617 | 1975-07-23 | 281 |
| -7 | 2442904 | 1976-05-05 | 282.5 |
| -6 | 2443186 | 1977-02-11 | 283.12 |
| -5 | 2443461 | 1977-11-13 | 283.42 |
| -4 | 2443770 | 1978-09-18 | 283.3 |
| -3 | 2444057 | 1979-07-02 | 282.54 |
| -2 | 2444331 | 1980-04-01 | 280.84 |
| -1 | 2444604 | 1980-12-30 | 279.99 |
| 0 | 2444885 | 1981-10-07 | 279.23 |
| 1 | 2445159 | 1982-07-08 | 278.39 |
| 2 | 2445440 | 1983-04-15 | 278.5 |
| 3 | 2445705 | 1984-01-05 | 279.88 |
| 4 | 2445997 | 1984-10-23 | 281.24 |
| 5 | 2446279 | 1985-08-01 | 282.13 |
| 6 | 2446566 | 1986-05-15 | 283.56 |
| 7 | 2446837 | 1987-02-10 | 284 |
| 8 | 2447134 | 1987-12-04 | 283.94 |
| 9 | 2447420 | 1988-09-15 | 282.75 |
| 10 | 2447700 | 1989-06-22 | 281.64 |
| 11 | 2447994 | 1990-04-12 | 280.44 |
| 12 | 2448265 | 1991-01-08 | 279.74 |
| 13 | 2448538 | 1991-10-08 | 278.33 |
| 14 | 2448815 | 1992-07-11 | 278.26 |
| 15 | 2449088 | 1993-04-10 | 278.32 |
| 16 | 2449366 | 1994-01-13 | 277.8 |
| 17 | 2449650 | 1994-10-24 | 277.69 |
| 18 | 2449926 | 1995-07-27 | 277.29 |
| 19 | 2450217 | 1996-05-13 | 276.95 |
| 20 | 2450493 | 1997-02-13 | 276.12 |
| 21 | 2450759 | 1997-11-06 | 275.01 |
| 22 | 2451027 | 1998-08-01 | 274.8 |
| 23 | 2451302 | 1999-05-03 | 274.36 |
| 24 | 2451583 | 2000-02-08 | 274.58 |
| 25 | 2451849 | 2000-10-31 | 275.61 |
| 26 | 2452122 | 2001-07-31 | 276.12 |
| 27 | 2452415 | 2002-05-20 | 276.23 |
| 28 | 2452679 | 2003-02-08 | 276.15 |
| 29 | 2452968 | 2003-11-24 | 275.88 |
| 30 | 2453245 | 2004-08-27 | 276.15 |
| 31 | 2453508 | 2005-05-17 | 276.12 |
| 32 | 2453783 | 2006-02-16 | 275.95 |
| 33 | 2454062 | 2006-11-22 | 276.15 |
| 34 | 2454335 | 2007-08-22 | 275.94 |
| 35 | 2454616 | 2008-05-29 | 275.73 |
| 36 | 2454897 | 2009-03-06 | 276.06 |
| 37 | 2455176 | 2009-12-10 | 275.95 |
| 38 | 2455443 | 2010-09-03 | 276.06 |
| 39 | 2455723 | 2011-06-10 | 276.61 |
| 40 | 2455985 | 2012-02-27 | 277.03 |
| 41 | 2456268 | 2012-12-06 | 277.33 |
| 42 | 2456547 | 2013-09-11 | 277.91 |
| 43 | 2456830 | 2014-06-21 | 278.55 |
| 44 | 2457114 | 2015-04-01 | 277.75 |
| 45 | 2457394 | 2016-01-06 | 278.45 |
| 46 | 2457666 | 2016-10-04 | 278.22 |
| 47 | 2457945 | 2017-07-10 | 277.98 |
| 48 | 2458221 | 2018-04-12 | 276.23 |
| 49 | 2458478 | 2018-12-25 | 276.3 |
| 50 | 2458782 | 2019-10-25 | 276.25 |
| 51 | 2459059 | 2020-07-28 | 276.48 |
| 52 | 2459334 | 2021-04-29 | 276.45 |
| 53 | 2459579 | 2021-12-30 | 276.75 |
| 54 | 2459886 | 2022-11-02 | 277.31 |
| 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. |