| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -76 | 2411734 | 1891-01-01 | 2411731 | 1890-12-29 | 3 | AnHar, 1909, vol 55, p 95 | |
| -71 | 2413596 | 1896-02-06 | 2413611 | 1896-02-21 | -15 | AnHar, 1909, vol 55, p 95 | |
| -70 | 2413979 | 1897-02-23 | 2413987 | 1897-03-03 | -8 | AnHar, 1909, vol 55, p 95 | |
| -52 | 2420780 | 1915-10-09 | 2420757 | 1915-09-16 | 23 | AnHar, 1952, vol 115 | |
| -51 | 2421180 | 1916-11-12 | 2421133 | 1916-09-26 | 47 | AnHar, 1952, vol 115 | |
| -49 | 8.5 | 2421915 | 1918-11-17 | 2421885 | 1918-10-18 | 30 | SVO |
| -47 | 2422680 | 1920-12-21 | 2422638 | 1920-11-09 | 42 | AnHar, 1952, vol 115 | |
| -44 | 2423770 | 1923-12-16 | 2423766 | 1923-12-12 | 4 | AnHar, 1952, vol 115 | |
| -43 | 2424140 | 1924-12-20 | 2424142 | 1924-12-22 | -2 | AnHar, 1952, vol 115 | |
| -42 | 2424500 | 1925-12-15 | 2424518 | 1926-01-02 | -18 | AnHar, 1952, vol 115 | |
| -40 | 2425280 | 1928-02-03 | 2425270 | 1928-01-24 | 10 | AnHar, 1952, vol 115 | |
| -39 | 8.1 | 2425626 | 1929-01-14 | 2425647 | 1929-02-04 | -21 | SVO |
| -38 | 8.3 | 2425995 | 1930-01-18 | 2426023 | 1930-02-15 | -28 | SVO |
| -37 | 8.7 | 2426382 | 1931-02-09 | 2426399 | 1931-02-26 | -17 | AAVSO |
| -36 | 2426755 | 1932-02-17 | 2426775 | 1932-03-08 | -20 | AnHar, 1952, vol 115 | |
| -35 | 8.5 | 2427126 | 1933-02-22 | 2427151 | 1933-03-19 | -25 | AAVSO |
| -34 | 8.9 | 2427500 | 1934-03-03 | 2427527 | 1934-03-30 | -27 | AAVSO |
| -33 | 8.5 | 2427869 | 1935-03-07 | 2427903 | 1935-04-10 | -34 | AAVSO |
| -32 | 9.0 | 2428241 | 1936-03-13 | 2428279 | 1936-04-20 | -38 | AAVSO |
| -31 | 8.1 | 2428615 | 1937-03-22 | 2428655 | 1937-05-01 | -40 | SVO |
| -30 | 8.5 | 2428994 | 1938-04-05 | 2429031 | 1938-05-12 | -37 | SVO |
| -29 | 8.4 | 2429365 | 1939-04-11 | 2429408 | 1939-05-24 | -43 | SVO |
| -28 | 8.2 | 2429739 | 1940-04-19 | 2429784 | 1940-06-03 | -45 | SVO |
| -27 | 8.5 | 2430111 | 1941-04-26 | 2430160 | 1941-06-14 | -49 | SVO |
| -26 | 8.7 | 2430487 | 1942-05-07 | 2430536 | 1942-06-25 | -49 | SVO |
| -25 | 7.8 | 2430860 | 1943-05-15 | 2430912 | 1943-07-06 | -52 | SVO |
| -24 | 9.6 | 2431249 | 1944-06-07 | 2431288 | 1944-07-16 | -39 | AAVSO |
| -23 | 9.6 | 2431636 | 1945-06-29 | 2431664 | 1945-07-27 | -28 | AAVSO |
| -22 | 8.3 | 2431998 | 1946-06-26 | 2432040 | 1946-08-07 | -42 | SVO |
| -21 | 8.4 | 2432368 | 1947-07-01 | 2432416 | 1947-08-18 | -48 | SVO |
| -20 | 9.1 | 2432770 | 1948-08-06 | 2432792 | 1948-08-28 | -22 | SVO |
| -19 | 8.7 | 2433151 | 1949-08-22 | 2433169 | 1949-09-09 | -18 | SVO |
| -18 | 9.4 | 2433540 | 1950-09-15 | 2433545 | 1950-09-20 | -5 | SVO |
| -17 | 8.3 | 2433933 | 1951-10-13 | 2433921 | 1951-10-01 | 12 | SVO |
| -16 | 8.8 | 2434297 | 1952-10-11 | 2434297 | 1952-10-11 | 0 | SVO |
| -15 | 8.3 | 2434681 | 1953-10-30 | 2434673 | 1953-10-22 | 8 | SVO |
| -14 | 9.1 | 2435058 | 1954-11-11 | 2435049 | 1954-11-02 | 9 | SVO |
| -13 | 8.7 | 2435449 | 1955-12-07 | 2435425 | 1955-11-13 | 24 | SVO |
| -12 | 8.6 | 2435828 | 1956-12-20 | 2435801 | 1956-11-23 | 27 | SVO |
| -11 | 8.3 | 2436215 | 1958-01-11 | 2436177 | 1957-12-04 | 38 | SVO |
| -10 | 8.6 | 2436597 | 1959-01-28 | 2436554 | 1958-12-16 | 43 | SVO |
| -9 | 8.7 | 2436986 | 1960-02-21 | 2436930 | 1959-12-27 | 56 | SVO |
| -8 | 8.3 | 2437372 | 1961-03-13 | 2437306 | 1961-01-06 | 66 | SVO |
| -7 | 8.8 | 2437750 | 1962-03-26 | 2437682 | 1962-01-17 | 68 | SVO |
| -6 | 8.5 | 2438126 | 1963-04-06 | 2438058 | 1963-01-28 | 68 | AAVSO |
| -5 | 8.8 | 2438502 | 1964-04-16 | 2438434 | 1964-02-08 | 68 | AAVSO |
| -4 | 8.4 | 2438871 | 1965-04-20 | 2438810 | 1965-02-18 | 61 | SVO |
| -3 | 8.8 | 2439244 | 1966-04-28 | 2439186 | 1966-03-01 | 58 | SVO |
| -2 | 8.5 | 2439624 | 1967-05-13 | 2439562 | 1967-03-12 | 62 | SVO |
| -1 | 8.1 | 2439972 | 1968-04-25 | 2439938 | 1968-03-22 | 34 | SVO |
| 0 | 9.1 | 2440348 | 1969-05-06 | 2440315 | 1969-04-03 | 33 | AAVSO |
| 1 | 8.9 | 2440723 | 1970-05-16 | 2440691 | 1970-04-14 | 32 | AAVSO |
| 2 | 9.5 | 2441100 | 1971-05-28 | 2441067 | 1971-04-25 | 33 | AAVSO |
| 3 | 11.3 | 2441475 | 1972-06-06 | 2441443 | 1972-05-05 | 32 | AAVSO |
| 4 | 9.5 | 2441828 | 1973-05-25 | 2441819 | 1973-05-16 | 9 | SVO |
| 5 | 10.0 | 2442202 | 1974-06-03 | 2442195 | 1974-05-27 | 7 | AAVSO |
| 6 | 9.6 | 2442571 | 1975-06-07 | 2442571 | 1975-06-07 | 0 | AAVSO |
| 7 | 9.5 | 2442949 | 1976-06-19 | 2442947 | 1976-06-17 | 2 | AAVSO |
| 8 | 9.7 | 2443320 | 1977-06-25 | 2443323 | 1977-06-28 | -3 | AAVSO |
| 9 | 10.4 | 2443691 | 1978-07-01 | 2443699 | 1978-07-09 | -8 | AAVSO |
| 10 | 9.5 | 2444073 | 1979-07-18 | 2444076 | 1979-07-21 | -3 | AAVSO |
| 11 | 9.4 | 2444447 | 1980-07-26 | 2444452 | 1980-07-31 | -5 | AAVSO |
| 12 | 8.5 | 2444817 | 1981-07-31 | 2444828 | 1981-08-11 | -11 | AAVSO |
| 13 | 9.4 | 2445197 | 1982-08-15 | 2445204 | 1982-08-22 | -7 | AAVSO |
| 14 | 8.4 | 2445575 | 1983-08-28 | 2445580 | 1983-09-02 | -5 | SVO |
| 15 | 8.3 | 2445940 | 1984-08-27 | 2445956 | 1984-09-12 | -16 | SVO |
| 16 | 9.1 | 2446326 | 1985-09-17 | 2446332 | 1985-09-23 | -6 | SVO |
| 17 | 8.4 | 2446700 | 1986-09-26 | 2446708 | 1986-10-04 | -8 | SVO |
| 18 | 8.7 | 2447084 | 1987-10-15 | 2447084 | 1987-10-15 | 0 | SVO |
| 19 | 8.6 | 2447462 | 1988-10-27 | 2447461 | 1988-10-26 | 1 | SVO |
| 20 | 8.2 | 2447835 | 1989-11-04 | 2447837 | 1989-11-06 | -2 | SVO |
| 21 | 8.2 | 2448210 | 1990-11-14 | 2448213 | 1990-11-17 | -3 | SVO |
| 22 | 8.6 | 2448593 | 1991-12-02 | 2448589 | 1991-11-28 | 4 | SVO |
| 23 | 8.7 | 2448982 | 1992-12-25 | 2448965 | 1992-12-08 | 17 | SVO |
| 24 | 8.7 | 2449350 | 1993-12-28 | 2449341 | 1993-12-19 | 9 | SVO |
| 25 | 8.3 | 2449714 | 1994-12-27 | 2449717 | 1994-12-30 | -3 | SVO |
| 26 | 8.8 | 2450103 | 1996-01-20 | 2450093 | 1996-01-10 | 10 | SVO |
| 27 | 9.2 | 2450479 | 1997-01-30 | 2450469 | 1997-01-20 | 10 | SVO |
| 28 | 8.2 | 2450854 | 1998-02-09 | 2450845 | 1998-01-31 | 9 | SVO |
| 29 | 9.2 | 2451226 | 1999-02-16 | 2451222 | 1999-02-12 | 4 | SVO |
| 30 | 8.5 | 2451602 | 2000-02-27 | 2451598 | 2000-02-23 | 4 | SVO |
| 31 | 8.2 | 2451978 | 2001-03-09 | 2451974 | 2001-03-05 | 4 | SVO |
| 32 | 8.5 | 2452358 | 2002-03-24 | 2452350 | 2002-03-16 | 8 | SVO |
| 33 | 8.5 | 2452737 | 2003-04-07 | 2452726 | 2003-03-27 | 11 | SVO |
| 34 | 9.3 | 2453119 | 2004-04-23 | 2453102 | 2004-04-06 | 17 | SVO |
| 35 | 8.2 | 2453481 | 2005-04-20 | 2453478 | 2005-04-17 | 3 | SVO |
| 36 | 9.3 | 2453865 | 2006-05-09 | 2453854 | 2006-04-28 | 11 | SVO |
| 37 | 8.3 | 2454240 | 2007-05-19 | 2454230 | 2007-05-09 | 10 | SVO |
| 38 | 8.5 | 2454603 | 2008-05-16 | 2454607 | 2008-05-20 | -4 | SVO |
| 39 | 8.3 | 2454975 | 2009-05-23 | 2454983 | 2009-05-31 | -8 | SVO |
| 40 | 7.9 | 2455343 | 2010-05-26 | 2455359 | 2010-06-11 | -16 | SVO |
| 41 | 2455720 | 2011-06-07 | 2455735 | 2011-06-22 | -15 | AAVSO | |
| 42 | 2456093 | 2012-06-14 | 2456111 | 2012-07-02 | -18 | AAVSO | |
| 43 | 8.1 | 2456471 | 2013-06-27 | 2456487 | 2013-07-13 | -16 | AAVSO |
| 44 | 9.6 | 2456846 | 2014-07-07 | 2456863 | 2014-07-24 | -17 | AAVSO |
| 45 | 8.2 | 2457229 | 2015-07-25 | 2457239 | 2015-08-04 | -10 | SVO |
| 46 | 8.5 | 2457598 | 2016-07-28 | 2457615 | 2016-08-14 | -17 | SVO |
| 47 | 9.3 | 2457973 | 2017-08-07 | 2457991 | 2017-08-25 | -18 | AAVSO |
| 48 | 7.9 | 2458337 | 2018-08-06 | 2458368 | 2018-09-06 | -31 | SVO |
| 49 | 8.2 | 2458715 | 2019-08-19 | 2458744 | 2019-09-17 | -29 | SVO |
| 50 | 8.3 | 2459091 | 2020-08-29 | 2459120 | 2020-09-27 | -29 | SVO |
| 51 | 8.4 | 2459465 | 2021-09-07 | 2459496 | 2021-10-08 | -31 | SVO |
| 52 | 8.1 | 2459841 | 2022-09-18 | 2459872 | 2022-10-19 | -31 | 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. |