| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -55 | 2414700 | 1899-02-14 | 2414641 | 1898-12-17 | 59 | SVO | |
| -53 | 2415735 | 1901-12-16 | 2415687 | 1901-10-29 | 48 | SVO | |
| -52 | 2416235 | 1903-04-30 | 2416209 | 1903-04-04 | 26 | SVO | |
| -51 | 2416770 | 1904-10-16 | 2416732 | 1904-09-08 | 38 | SVO | |
| -50 | 2417280 | 1906-03-10 | 2417254 | 1906-02-12 | 26 | SVO | |
| -49 | 9.3 | 2417817 | 1907-08-29 | 2417777 | 1907-07-20 | 40 | AAVSO |
| -48 | 2418331 | 1909-01-24 | 2418300 | 1908-12-24 | 31 | AAVSO | |
| -47 | 2418842 | 1910-06-19 | 2418822 | 1910-05-30 | 20 | AAVSO | |
| -46 | 2419330 | 1911-10-20 | 2419345 | 1911-11-04 | -15 | SVO | |
| -45 | 9.6 | 2419850 | 1913-03-23 | 2419867 | 1913-04-09 | -17 | SVO |
| -44 | 9.9 | 2420355 | 1914-08-10 | 2420390 | 1914-09-14 | -35 | SVO |
| -43 | 9.2 | 2420869 | 1916-01-06 | 2420913 | 1916-02-19 | -44 | SVO |
| -42 | 10.7 | 2421390 | 1917-06-10 | 2421435 | 1917-07-25 | -45 | SVO |
| -41 | 9.7 | 2421900 | 1918-11-02 | 2421958 | 1918-12-30 | -58 | SVO |
| -40 | 10.1 | 2422425 | 1920-04-10 | 2422481 | 1920-06-05 | -56 | SVO |
| -39 | 10.0 | 2422954 | 1921-09-21 | 2423003 | 1921-11-09 | -49 | SVO |
| -38 | 10.4 | 2423492 | 1923-03-13 | 2423526 | 1923-04-16 | -34 | SVO |
| -37 | 10.4 | 2424016 | 1924-08-18 | 2424048 | 1924-09-19 | -32 | SVO |
| -36 | 9.8 | 2424536 | 1926-01-20 | 2424571 | 1926-02-24 | -35 | SVO |
| -35 | 10.0 | 2425057 | 1927-06-25 | 2425094 | 1927-08-01 | -37 | SVO |
| -34 | 10.6 | 2425593 | 1928-12-12 | 2425616 | 1929-01-04 | -23 | SVO |
| -33 | 9.9 | 2426126 | 1930-05-29 | 2426139 | 1930-06-11 | -13 | SVO |
| -32 | 9.8 | 2426645 | 1931-10-30 | 2426661 | 1931-11-15 | -16 | SVO |
| -31 | 10.3 | 2427175 | 1933-04-12 | 2427184 | 1933-04-21 | -9 | SVO |
| -30 | 9.9 | 2427695 | 1934-09-14 | 2427707 | 1934-09-26 | -12 | SVO |
| -29 | 10.4 | 2428204 | 1936-02-05 | 2428229 | 1936-03-01 | -25 | SVO |
| -28 | 10.0 | 2428722 | 1937-07-07 | 2428752 | 1937-08-06 | -30 | SVO |
| -27 | 10.1 | 2429251 | 1938-12-18 | 2429274 | 1939-01-10 | -23 | SVO |
| -26 | 9.4 | 2429774 | 1940-05-24 | 2429797 | 1940-06-16 | -23 | SVO |
| -25 | 10.4 | 2430296 | 1941-10-28 | 2430320 | 1941-11-21 | -24 | SVO |
| -24 | 9.3 | 2430823 | 1943-04-08 | 2430842 | 1943-04-27 | -19 | SVO |
| -23 | 10.4 | 2431354 | 1944-09-20 | 2431365 | 1944-10-01 | -11 | SVO |
| -22 | 8.6 | 2431868 | 1946-02-16 | 2431887 | 1946-03-07 | -19 | SVO |
| -21 | 10.0 | 2432403 | 1947-08-05 | 2432410 | 1947-08-12 | -7 | AAVSO |
| -20 | 10.2 | 2432920 | 1949-01-03 | 2432933 | 1949-01-16 | -13 | SVO |
| -19 | 9.5 | 2433462 | 1950-06-29 | 2433455 | 1950-06-22 | 7 | SVO |
| -18 | 10.3 | 2433992 | 1951-12-11 | 2433978 | 1951-11-27 | 14 | SVO |
| -17 | 9.6 | 2434526 | 1953-05-28 | 2434500 | 1953-05-02 | 26 | SVO |
| -16 | 9.3 | 2435049 | 1954-11-02 | 2435023 | 1954-10-07 | 26 | SVO |
| -15 | 9.6 | 2435564 | 1956-03-31 | 2435546 | 1956-03-13 | 18 | SVO |
| -14 | 9.1 | 2436091 | 1957-09-09 | 2436068 | 1957-08-17 | 23 | SVO |
| -13 | 9.5 | 2436606 | 1959-02-06 | 2436591 | 1959-01-22 | 15 | SVO |
| -12 | 2437147 | 1960-07-31 | 2437114 | 1960-06-28 | 33 | AAVSO | |
| -11 | 9.7 | 2437667 | 1962-01-02 | 2437636 | 1961-12-02 | 31 | SVO |
| -10 | 8.9 | 2438183 | 1963-06-02 | 2438159 | 1963-05-09 | 24 | SVO |
| -9 | 9.7 | 2438706 | 1964-11-06 | 2438681 | 1964-10-12 | 25 | SVO |
| -8 | 9.5 | 2439229 | 1966-04-13 | 2439204 | 1966-03-19 | 25 | SVO |
| -7 | 9.2 | 2439759 | 1967-09-25 | 2439727 | 1967-08-24 | 32 | SVO |
| -6 | 9.3 | 2440290 | 1969-03-09 | 2440249 | 1969-01-27 | 41 | SVO |
| -5 | 9.5 | 2440808 | 1970-08-09 | 2440772 | 1970-07-04 | 36 | SVO |
| -4 | 8.7 | 2441326 | 1972-01-09 | 2441294 | 1971-12-08 | 32 | SVO |
| -3 | 9.2 | 2441853 | 1973-06-19 | 2441817 | 1973-05-14 | 36 | SVO |
| -2 | 9.1 | 2442380 | 1974-11-28 | 2442340 | 1974-10-19 | 40 | SVO |
| -1 | 9.1 | 2442888 | 1976-04-19 | 2442862 | 1976-03-24 | 26 | SVO |
| 0 | 8.4 | 2443396 | 1977-09-09 | 2443385 | 1977-08-29 | 11 | SVO |
| 1 | 9.7 | 2443922 | 1979-02-17 | 2443907 | 1979-02-02 | 15 | SVO |
| 2 | 8.9 | 2444452 | 1980-07-31 | 2444430 | 1980-07-09 | 22 | SVO |
| 3 | 9.5 | 2444974 | 1982-01-04 | 2444953 | 1981-12-14 | 21 | SVO |
| 4 | 8.9 | 2445489 | 1983-06-03 | 2445475 | 1983-05-20 | 14 | SVO |
| 5 | 8.3 | 2446010 | 1984-11-05 | 2445998 | 1984-10-24 | 12 | SVO |
| 6 | 9.2 | 2446536 | 1986-04-15 | 2446520 | 1986-03-30 | 16 | SVO |
| 7 | 8.9 | 2447055 | 1987-09-16 | 2447043 | 1987-09-04 | 12 | SVO |
| 8 | 8.8 | 2447578 | 1989-02-20 | 2447566 | 1989-02-08 | 12 | SVO |
| 9 | 8.7 | 2448104 | 1990-07-31 | 2448088 | 1990-07-15 | 16 | SVO |
| 10 | 9.4 | 2448626 | 1992-01-04 | 2448611 | 1991-12-20 | 15 | SVO |
| 11 | 9.0 | 2449145 | 1993-06-06 | 2449134 | 1993-05-26 | 11 | SVO |
| 12 | 9.4 | 2449674 | 1994-11-17 | 2449656 | 1994-10-30 | 18 | SVO |
| 13 | 8.8 | 2450189 | 1996-04-15 | 2450179 | 1996-04-05 | 10 | SVO |
| 14 | 9.4 | 2450717 | 1997-09-25 | 2450701 | 1997-09-09 | 16 | SVO |
| 15 | 9.1 | 2451238 | 1999-02-28 | 2451224 | 1999-02-14 | 14 | SVO |
| 16 | 9.6 | 2451769 | 2000-08-12 | 2451747 | 2000-07-21 | 22 | SVO |
| 17 | 9.4 | 2452280 | 2002-01-05 | 2452269 | 2001-12-25 | 11 | SVO |
| 18 | 8.4 | 2452785 | 2003-05-25 | 2452792 | 2003-06-01 | -7 | SVO |
| 19 | 10.0 | 2453316 | 2004-11-06 | 2453314 | 2004-11-04 | 2 | SVO |
| 20 | 9.6 | 2453827 | 2006-04-01 | 2453837 | 2006-04-11 | -10 | SVO |
| 21 | 9.2 | 2454334 | 2007-08-21 | 2454360 | 2007-09-16 | -26 | SVO |
| 22 | 8.5 | 2454848 | 2009-01-16 | 2454882 | 2009-02-19 | -34 | SVO |
| 23 | 9.3 | 2455374 | 2010-06-26 | 2455405 | 2010-07-27 | -31 | SVO |
| 24 | 9.6 | 2455899 | 2011-12-03 | 2455927 | 2011-12-31 | -28 | SVO |
| 25 | 9.6 | 2456416 | 2013-05-03 | 2456450 | 2013-06-06 | -34 | SVO |
| 26 | 9.1 | 2456936 | 2014-10-05 | 2456973 | 2014-11-11 | -37 | SVO |
| 27 | 8.8 | 2457453 | 2016-03-05 | 2457495 | 2016-04-16 | -42 | SVO |
| 28 | 9.3 | 2457994 | 2017-08-28 | 2458018 | 2017-09-21 | -24 | SVO |
| 29 | 9.0 | 2458515 | 2019-01-31 | 2458540 | 2019-02-25 | -25 | SVO |
| 30 | 8.3 | 2459038 | 2020-07-07 | 2459063 | 2020-08-01 | -25 | SVO |
| 31 | 8.9 | 2459566 | 2021-12-17 | 2459586 | 2022-01-06 | -20 | 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. |