| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -120 | 2414780 | 1899-05-05 | 2414784 | 1899-05-09 | -4 | AnHar, 1952, vol 118 | |
| -119 | 2415020 | 1899-12-31 | 2415025 | 1900-01-05 | -5 | AnHar, 1952, vol 118 | |
| -117 | 2415512 | 1901-05-07 | 2415507 | 1901-05-02 | 5 | SVO | |
| -115 | 2415990 | 1902-08-28 | 2415989 | 1902-08-27 | 1 | AnHar, 1952, vol 118 | |
| -114 | 2416240 | 1903-05-05 | 2416230 | 1903-04-25 | 10 | AnHar, 1952, vol 118 | |
| -113 | 2416480 | 1903-12-31 | 2416470 | 1903-12-21 | 10 | AnHar, 1952, vol 118 | |
| -112 | 2416735 | 1904-09-11 | 2416711 | 1904-08-18 | 24 | SVO | |
| -111 | 2416980 | 1905-05-14 | 2416952 | 1905-04-16 | 28 | AnHar, 1952, vol 118 | |
| -110 | 2417219 | 1906-01-08 | 2417193 | 1905-12-13 | 26 | AAVSO | |
| -109 | 2417444 | 1906-08-21 | 2417434 | 1906-08-11 | 10 | AAVSO | |
| -108 | 2417691 | 1907-04-25 | 2417675 | 1907-04-09 | 16 | AAVSO | |
| -107 | 2417946 | 1908-01-05 | 2417916 | 1907-12-06 | 30 | AAVSO | |
| -106 | 8.1 | 2418187 | 1908-09-02 | 2418157 | 1908-08-03 | 30 | AAVSO |
| -105 | 2418422 | 1909-04-25 | 2418398 | 1909-04-01 | 24 | AAVSO | |
| -104 | 2418668 | 1909-12-27 | 2418639 | 1909-11-28 | 29 | AAVSO | |
| -103 | 8.6 | 2418900 | 1910-08-16 | 2418880 | 1910-07-27 | 20 | AAVSO |
| -102 | 2419128 | 1911-04-01 | 2419121 | 1911-03-25 | 7 | AAVSO | |
| -101 | 8.8 | 2419369 | 1911-11-28 | 2419362 | 1911-11-21 | 7 | SVO |
| -100 | 9.0 | 2419607 | 1912-07-23 | 2419602 | 1912-07-18 | 5 | SVO |
| -99 | 9.1 | 2419846 | 1913-03-19 | 2419843 | 1913-03-16 | 3 | AAVSO |
| -98 | 2420101 | 1913-11-29 | 2420084 | 1913-11-12 | 17 | AAVSO | |
| -97 | 8.9 | 2420322 | 1914-07-08 | 2420325 | 1914-07-11 | -3 | SVO |
| -96 | 2420566 | 1915-03-09 | 2420566 | 1915-03-09 | 0 | AAVSO | |
| -95 | 2420811 | 1915-11-09 | 2420807 | 1915-11-05 | 4 | AAVSO | |
| -94 | 9.1 | 2421041 | 1916-06-26 | 2421048 | 1916-07-03 | -7 | SVO |
| -93 | 9.0 | 2421282 | 1917-02-22 | 2421289 | 1917-03-01 | -7 | AAVSO |
| -92 | 9.7 | 2421522 | 1917-10-20 | 2421530 | 1917-10-28 | -8 | AAVSO |
| -91 | 8.9 | 2421754 | 1918-06-09 | 2421771 | 1918-06-26 | -17 | SVO |
| -90 | 9.0 | 2421988 | 1919-01-29 | 2422012 | 1919-02-22 | -24 | AAVSO |
| -89 | 9.2 | 2422225 | 1919-09-23 | 2422253 | 1919-10-21 | -28 | AAVSO |
| -88 | 9.1 | 2422469 | 1920-05-24 | 2422494 | 1920-06-18 | -25 | SVO |
| -87 | 2422719 | 1921-01-29 | 2422735 | 1921-02-14 | -16 | AAVSO | |
| -86 | 9.6 | 2422957 | 1921-09-24 | 2422975 | 1921-10-12 | -18 | SVO |
| -85 | 9.3 | 2423200 | 1922-05-25 | 2423216 | 1922-06-10 | -16 | SVO |
| -84 | 9.6 | 2423442 | 1923-01-22 | 2423457 | 1923-02-06 | -15 | AAVSO |
| -83 | 8.8 | 2423682 | 1923-09-19 | 2423698 | 1923-10-05 | -16 | AAVSO |
| -82 | 9.0 | 2423918 | 1924-05-12 | 2423939 | 1924-06-02 | -21 | SVO |
| -81 | 9.2 | 2424158 | 1925-01-07 | 2424180 | 1925-01-29 | -22 | AAVSO |
| -80 | 9.3 | 2424402 | 1925-09-08 | 2424421 | 1925-09-27 | -19 | SVO |
| -79 | 9.6 | 2424652 | 1926-05-16 | 2424662 | 1926-05-26 | -10 | SVO |
| -78 | 8.5 | 2424884 | 1927-01-03 | 2424903 | 1927-01-22 | -19 | AAVSO |
| -77 | 9.6 | 2425133 | 1927-09-09 | 2425144 | 1927-09-20 | -11 | AAVSO |
| -76 | 9.3 | 2425372 | 1928-05-05 | 2425385 | 1928-05-18 | -13 | AAVSO |
| -75 | 9.1 | 2425608 | 1928-12-27 | 2425626 | 1929-01-14 | -18 | AAVSO |
| -74 | 8.8 | 2425848 | 1929-08-24 | 2425867 | 1929-09-12 | -19 | SVO |
| -73 | 9.5 | 2426094 | 1930-04-27 | 2426107 | 1930-05-10 | -13 | SVO |
| -72 | 8.8 | 2426338 | 1930-12-27 | 2426348 | 1931-01-06 | -10 | SVO |
| -71 | 9.2 | 2426581 | 1931-08-27 | 2426589 | 1931-09-04 | -8 | SVO |
| -70 | 9.0 | 2426821 | 1932-04-23 | 2426830 | 1932-05-02 | -9 | SVO |
| -69 | 8.9 | 2427057 | 1932-12-15 | 2427071 | 1932-12-29 | -14 | SVO |
| -68 | 8.8 | 2427295 | 1933-08-10 | 2427312 | 1933-08-27 | -17 | SVO |
| -67 | 9.1 | 2427537 | 1934-04-09 | 2427553 | 1934-04-25 | -16 | SVO |
| -66 | 9.4 | 2427771 | 1934-11-29 | 2427794 | 1934-12-22 | -23 | AAVSO |
| -65 | 8.9 | 2428026 | 1935-08-11 | 2428035 | 1935-08-20 | -9 | SVO |
| -64 | 9.1 | 2428259 | 1936-03-31 | 2428276 | 1936-04-17 | -17 | SVO |
| -63 | 9.0 | 2428502 | 1936-11-29 | 2428517 | 1936-12-14 | -15 | AAVSO |
| -62 | 9.0 | 2428747 | 1937-08-01 | 2428758 | 1937-08-12 | -11 | SVO |
| -61 | 9.5 | 2428988 | 1938-03-30 | 2428999 | 1938-04-10 | -11 | SVO |
| -60 | 9.5 | 2429232 | 1938-11-29 | 2429240 | 1938-12-07 | -8 | AAVSO |
| -59 | 8.9 | 2429481 | 1939-08-05 | 2429480 | 1939-08-04 | 1 | SVO |
| -58 | 9.0 | 2429713 | 1940-03-24 | 2429721 | 1940-04-01 | -8 | AAVSO |
| -57 | 9.0 | 2429944 | 1940-11-10 | 2429962 | 1940-11-28 | -18 | SVO |
| -56 | 9.0 | 2430190 | 1941-07-14 | 2430203 | 1941-07-27 | -13 | SVO |
| -55 | 9.5 | 2430444 | 1942-03-25 | 2430444 | 1942-03-25 | 0 | AAVSO |
| -54 | 9.0 | 2430682 | 1942-11-18 | 2430685 | 1942-11-21 | -3 | AAVSO |
| -53 | 9.1 | 2430908 | 1943-07-02 | 2430926 | 1943-07-20 | -18 | SVO |
| -52 | 8.9 | 2431146 | 1944-02-25 | 2431167 | 1944-03-17 | -21 | SVO |
| -51 | 9.1 | 2431390 | 1944-10-26 | 2431408 | 1944-11-13 | -18 | AAVSO |
| -50 | 8.9 | 2431636 | 1945-06-29 | 2431649 | 1945-07-12 | -13 | SVO |
| -49 | 9.1 | 2431872 | 1946-02-20 | 2431890 | 1946-03-10 | -18 | AAVSO |
| -48 | 9.0 | 2432128 | 1946-11-03 | 2432131 | 1946-11-06 | -3 | AAVSO |
| -47 | 9.1 | 2432364 | 1947-06-27 | 2432372 | 1947-07-05 | -8 | SVO |
| -46 | 9.1 | 2432601 | 1948-02-19 | 2432612 | 1948-03-01 | -11 | SVO |
| -45 | 9.0 | 2432844 | 1948-10-19 | 2432853 | 1948-10-28 | -9 | SVO |
| -44 | 9.3 | 2433084 | 1949-06-16 | 2433094 | 1949-06-26 | -10 | SVO |
| -43 | 9.0 | 2433321 | 1950-02-08 | 2433335 | 1950-02-22 | -14 | AAVSO |
| -42 | 9.1 | 2433564 | 1950-10-09 | 2433576 | 1950-10-21 | -12 | AAVSO |
| -41 | 9.3 | 2433805 | 1951-06-07 | 2433817 | 1951-06-19 | -12 | SVO |
| -40 | 9.8 | 2434050 | 1952-02-07 | 2434058 | 1952-02-15 | -8 | AAVSO |
| -39 | 9.2 | 2434293 | 1952-10-07 | 2434299 | 1952-10-13 | -6 | AAVSO |
| -38 | 9.4 | 2434531 | 1953-06-02 | 2434540 | 1953-06-11 | -9 | SVO |
| -37 | 9.8 | 2434773 | 1954-01-30 | 2434781 | 1954-02-07 | -8 | AAVSO |
| -36 | 9.2 | 2435020 | 1954-10-04 | 2435022 | 1954-10-06 | -2 | SVO |
| -35 | 9.4 | 2435258 | 1955-05-30 | 2435263 | 1955-06-04 | -5 | SVO |
| -34 | 2435497 | 1956-01-24 | 2435504 | 1956-01-31 | -7 | AAVSO | |
| -33 | 9.4 | 2435746 | 1956-09-29 | 2435745 | 1956-09-28 | 1 | SVO |
| -32 | 9.4 | 2435991 | 1957-06-01 | 2435985 | 1957-05-26 | 6 | SVO |
| -31 | 9.8 | 2436225 | 1958-01-21 | 2436226 | 1958-01-22 | -1 | AAVSO |
| -30 | 9.3 | 2436475 | 1958-09-28 | 2436467 | 1958-09-20 | 8 | SVO |
| -29 | 9.1 | 2436712 | 1959-05-23 | 2436708 | 1959-05-19 | 4 | SVO |
| -28 | 2436952 | 1960-01-18 | 2436949 | 1960-01-15 | 3 | AAVSO | |
| -27 | 9.0 | 2437200 | 1960-09-22 | 2437190 | 1960-09-12 | 10 | SVO |
| -26 | 10.0 | 2437442 | 1961-05-22 | 2437431 | 1961-05-11 | 11 | SVO |
| -25 | 9.0 | 2437684 | 1962-01-19 | 2437672 | 1962-01-07 | 12 | AAVSO |
| -24 | 9.6 | 2437923 | 1962-09-15 | 2437913 | 1962-09-05 | 10 | SVO |
| -23 | 8.9 | 2438168 | 1963-05-18 | 2438154 | 1963-05-04 | 14 | SVO |
| -22 | 9.4 | 2438406 | 1964-01-11 | 2438395 | 1963-12-31 | 11 | AAVSO |
| -21 | 8.8 | 2438650 | 1964-09-11 | 2438636 | 1964-08-28 | 14 | SVO |
| -20 | 9.5 | 2438894 | 1965-05-13 | 2438877 | 1965-04-26 | 17 | SVO |
| -19 | 8.7 | 2439133 | 1966-01-07 | 2439117 | 1965-12-22 | 16 | AAVSO |
| -18 | 9.1 | 2439386 | 1966-09-17 | 2439358 | 1966-08-20 | 28 | SVO |
| -17 | 9.2 | 2439627 | 1967-05-16 | 2439599 | 1967-04-18 | 28 | SVO |
| -16 | 9.4 | 2439862 | 1968-01-06 | 2439840 | 1967-12-15 | 22 | AAVSO |
| -15 | 8.9 | 2440103 | 1968-09-03 | 2440081 | 1968-08-12 | 22 | SVO |
| -14 | 9.6 | 2440350 | 1969-05-08 | 2440322 | 1969-04-10 | 28 | SVO |
| -13 | 9.1 | 2440591 | 1970-01-04 | 2440563 | 1969-12-07 | 28 | SVO |
| -12 | 9.3 | 2440833 | 1970-09-03 | 2440804 | 1970-08-05 | 29 | SVO |
| -11 | 9.1 | 2441072 | 1971-04-30 | 2441045 | 1971-04-03 | 27 | SVO |
| -10 | 9.0 | 2441311 | 1971-12-25 | 2441286 | 1971-11-30 | 25 | SVO |
| -9 | 9.3 | 2441559 | 1972-08-29 | 2441527 | 1972-07-28 | 32 | SVO |
| -8 | 9.1 | 2441791 | 1973-04-18 | 2441768 | 1973-03-26 | 23 | SVO |
| -7 | 9.2 | 2442041 | 1973-12-24 | 2442009 | 1973-11-22 | 32 | SVO |
| -6 | 9.0 | 2442278 | 1974-08-18 | 2442250 | 1974-07-21 | 28 | SVO |
| -5 | 9.6 | 2442514 | 1975-04-11 | 2442490 | 1975-03-18 | 24 | SVO |
| -4 | 8.9 | 2442754 | 1975-12-07 | 2442731 | 1975-11-14 | 23 | SVO |
| -3 | 9.5 | 2442998 | 1976-08-07 | 2442972 | 1976-07-12 | 26 | SVO |
| -2 | 9.0 | 2443232 | 1977-03-29 | 2443213 | 1977-03-10 | 19 | SVO |
| -1 | 9.3 | 2443479 | 1977-12-01 | 2443454 | 1977-11-06 | 25 | SVO |
| 0 | 9.4 | 2443718 | 1978-07-28 | 2443695 | 1978-07-05 | 23 | SVO |
| 1 | 9.3 | 2443955 | 1979-03-22 | 2443936 | 1979-03-03 | 19 | SVO |
| 2 | 9.0 | 2444189 | 1979-11-11 | 2444177 | 1979-10-30 | 12 | SVO |
| 3 | 9.1 | 2444426 | 1980-07-05 | 2444418 | 1980-06-27 | 8 | SVO |
| 4 | 8.9 | 2444667 | 1981-03-03 | 2444659 | 1981-02-23 | 8 | SVO |
| 5 | 9.2 | 2444899 | 1981-10-21 | 2444900 | 1981-10-22 | -1 | SVO |
| 6 | 9.1 | 2445142 | 1982-06-21 | 2445141 | 1982-06-20 | 1 | SVO |
| 7 | 9.0 | 2445379 | 1983-02-13 | 2445382 | 1983-02-16 | -3 | SVO |
| 8 | 9.6 | 2445622 | 1983-10-14 | 2445622 | 1983-10-14 | 0 | SVO |
| 9 | 9.3 | 2445864 | 1984-06-12 | 2445863 | 1984-06-11 | 1 | SVO |
| 10 | 9.7 | 2446100 | 1985-02-03 | 2446104 | 1985-02-07 | -4 | SVO |
| 11 | 9.1 | 2446340 | 1985-10-01 | 2446345 | 1985-10-06 | -5 | SVO |
| 12 | 9.1 | 2446581 | 1986-05-30 | 2446586 | 1986-06-04 | -5 | SVO |
| 13 | 9.0 | 2446817 | 1987-01-21 | 2446827 | 1987-01-31 | -10 | SVO |
| 14 | 8.8 | 2447059 | 1987-09-20 | 2447068 | 1987-09-29 | -9 | SVO |
| 15 | 9.2 | 2447304 | 1988-05-22 | 2447309 | 1988-05-27 | -5 | SVO |
| 16 | 9.1 | 2447536 | 1989-01-09 | 2447550 | 1989-01-23 | -14 | SVO |
| 17 | 8.9 | 2447776 | 1989-09-06 | 2447791 | 1989-09-21 | -15 | SVO |
| 18 | 9.2 | 2448015 | 1990-05-03 | 2448032 | 1990-05-20 | -17 | SVO |
| 19 | 9.5 | 2448262 | 1991-01-05 | 2448273 | 1991-01-16 | -11 | SVO |
| 20 | 9.0 | 2448510 | 1991-09-10 | 2448514 | 1991-09-14 | -4 | SVO |
| 21 | 9.5 | 2448752 | 1992-05-09 | 2448755 | 1992-05-12 | -3 | SVO |
| 22 | 9.1 | 2448996 | 1993-01-08 | 2448995 | 1993-01-07 | 1 | SVO |
| 23 | 9.0 | 2449233 | 1993-09-02 | 2449236 | 1993-09-05 | -3 | SVO |
| 24 | 9.1 | 2449473 | 1994-04-30 | 2449477 | 1994-05-04 | -4 | SVO |
| 25 | 9.3 | 2449721 | 1995-01-03 | 2449718 | 1994-12-31 | 3 | SVO |
| 26 | 9.0 | 2449960 | 1995-08-30 | 2449959 | 1995-08-29 | 1 | SVO |
| 27 | 9.4 | 2450210 | 1996-05-06 | 2450200 | 1996-04-26 | 10 | SVO |
| 28 | 9.3 | 2450450 | 1997-01-01 | 2450441 | 1996-12-23 | 9 | SVO |
| 29 | 9.4 | 2450699 | 1997-09-07 | 2450682 | 1997-08-21 | 17 | SVO |
| 30 | 9.0 | 2450933 | 1998-04-29 | 2450923 | 1998-04-19 | 10 | SVO |
| 31 | 9.2 | 2451180 | 1999-01-01 | 2451164 | 1998-12-16 | 16 | SVO |
| 32 | 9.5 | 2451424 | 1999-09-02 | 2451405 | 1999-08-14 | 19 | SVO |
| 33 | 8.7 | 2451659 | 2000-04-24 | 2451646 | 2000-04-11 | 13 | SVO |
| 34 | 9.3 | 2451903 | 2000-12-24 | 2451887 | 2000-12-08 | 16 | SVO |
| 35 | 9.6 | 2452143 | 2001-08-21 | 2452127 | 2001-08-05 | 16 | SVO |
| 36 | 8.7 | 2452373 | 2002-04-08 | 2452368 | 2002-04-03 | 5 | SVO |
| 37 | 9.5 | 2452623 | 2002-12-14 | 2452609 | 2002-11-30 | 14 | SVO |
| 38 | 9.3 | 2452865 | 2003-08-13 | 2452850 | 2003-07-29 | 15 | SVO |
| 39 | 8.8 | 2453099 | 2004-04-03 | 2453091 | 2004-03-26 | 8 | SVO |
| 40 | 9.1 | 2453344 | 2004-12-04 | 2453332 | 2004-11-22 | 12 | SVO |
| 41 | 9.5 | 2453589 | 2005-08-06 | 2453573 | 2005-07-21 | 16 | SVO |
| 42 | 9.1 | 2453831 | 2006-04-05 | 2453814 | 2006-03-19 | 17 | SVO |
| 43 | 9.4 | 2454077 | 2006-12-07 | 2454055 | 2006-11-15 | 22 | SVO |
| 44 | 9.0 | 2454321 | 2007-08-08 | 2454296 | 2007-07-14 | 25 | SVO |
| 45 | 9.1 | 2454555 | 2008-03-29 | 2454537 | 2008-03-11 | 18 | SVO |
| 46 | 9.0 | 2454793 | 2008-11-22 | 2454778 | 2008-11-07 | 15 | SVO |
| 47 | 9.0 | 2455028 | 2009-07-15 | 2455019 | 2009-07-06 | 9 | SVO |
| 48 | 9.1 | 2455267 | 2010-03-11 | 2455260 | 2010-03-04 | 7 | SVO |
| 49 | 9.4 | 2455515 | 2010-11-14 | 2455500 | 2010-10-30 | 15 | SVO |
| 50 | 9.3 | 2455761 | 2011-07-18 | 2455741 | 2011-06-28 | 20 | SVO |
| 51 | 9.2 | 2455991 | 2012-03-04 | 2455982 | 2012-02-24 | 9 | SVO |
| 52 | 9.5 | 2456225 | 2012-10-24 | 2456223 | 2012-10-22 | 2 | SVO |
| 53 | 9.3 | 2456455 | 2013-06-11 | 2456464 | 2013-06-20 | -9 | SVO |
| 54 | 9.3 | 2456687 | 2014-01-29 | 2456705 | 2014-02-16 | -18 | AAVSO |
| 55 | 9.0 | 2456925 | 2014-09-24 | 2456946 | 2014-10-15 | -21 | SVO |
| 56 | 9.3 | 2457164 | 2015-05-21 | 2457187 | 2015-06-13 | -23 | SVO |
| 57 | 9.5 | 2457401 | 2016-01-13 | 2457428 | 2016-02-09 | -27 | SVO |
| 58 | 9.2 | 2457650 | 2016-09-18 | 2457669 | 2016-10-07 | -19 | SVO |
| 59 | 9.4 | 2457889 | 2017-05-15 | 2457910 | 2017-06-05 | -21 | SVO |
| 60 | 2458120 | 2018-01-01 | 2458151 | 2018-02-01 | -31 | SVO | |
| 61 | 9.1 | 2458357 | 2018-08-26 | 2458392 | 2018-09-30 | -35 | SVO |
| 62 | 9.2 | 2458596 | 2019-04-22 | 2458632 | 2019-05-28 | -36 | SVO |
| 63 | 9.1 | 2458838 | 2019-12-20 | 2458873 | 2020-01-24 | -35 | SVO |
| 64 | 9.1 | 2459074 | 2020-08-12 | 2459114 | 2020-09-21 | -40 | SVO |
| 65 | 9.3 | 2459317 | 2021-04-12 | 2459355 | 2021-05-20 | -38 | SVO |
| 66 | 9.4 | 2459553 | 2021-12-04 | 2459596 | 2022-01-16 | -43 | SVO |
| 67 | 9.5 | 2459800 | 2022-08-08 | 2459837 | 2022-09-14 | -37 | SVO |
| E | Cycle number from the GCVS4 epoch. |
| Mag | Magnitude at maximum. |
| O (JD) | Julian date at observed time for maximum. |
| O (Dat) | Same as above, expressed as date. |
| C (JD) | Julian date at calculated time for maximum with elements from GCVS4. |
| C (Dat) | Same as above, expressed as date. |
| O-C | O (JD) minus C (JD). |
| Sorce | Datasource for the maxima. |