| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -86 | 2413892 | 1896-11-28 | 2413880 | 1896-11-16 | 12 | AAVSO | |
| -85 | 8.8 | 2414372 | 1898-03-23 | 2414366 | 1898-03-17 | 6 | SVO |
| -84 | 7.7 | 2414842 | 1899-07-06 | 2414851 | 1899-07-15 | -9 | SVO |
| -83 | 2415358 | 1900-12-04 | 2415337 | 1900-11-13 | 21 | AAVSO | |
| -82 | 7.7 | 2415832 | 1902-03-23 | 2415823 | 1902-03-14 | 9 | AAVSO |
| -81 | 2416306 | 1903-07-10 | 2416309 | 1903-07-13 | -3 | AAVSO | |
| -80 | 7.7 | 2416773 | 1904-10-19 | 2416795 | 1904-11-10 | -22 | SVO |
| -79 | 8.6 | 2417231 | 1906-01-20 | 2417281 | 1906-03-11 | -50 | SVO |
| -78 | 7.8 | 2417745 | 1907-06-18 | 2417767 | 1907-07-10 | -22 | AAVSO |
| -77 | 7.8 | 2418184 | 1908-08-30 | 2418253 | 1908-11-07 | -69 | AAVSO |
| -76 | 2418680 | 1910-01-08 | 2418739 | 1910-03-08 | -59 | AAVSO | |
| -75 | 8.0 | 2419169 | 1911-05-12 | 2419225 | 1911-07-07 | -56 | AAVSO |
| -74 | 8.9 | 2419647 | 1912-09-01 | 2419710 | 1912-11-03 | -63 | AAVSO |
| -73 | 7.6 | 2420104 | 1913-12-02 | 2420196 | 1914-03-04 | -92 | SVO |
| -72 | 8.0 | 2420590 | 1915-04-02 | 2420682 | 1915-07-03 | -92 | AAVSO |
| -71 | 7.4 | 2421072 | 1916-07-27 | 2421168 | 1916-10-31 | -96 | SVO |
| -70 | 9.3 | 2421562 | 1917-11-29 | 2421654 | 1918-03-01 | -92 | SVO |
| -69 | 8.5 | 2422041 | 1919-03-23 | 2422140 | 1919-06-30 | -99 | SVO |
| -68 | 8.5 | 2422531 | 1920-07-25 | 2422626 | 1920-10-28 | -95 | SVO |
| -67 | 8.3 | 2423020 | 1921-11-26 | 2423112 | 1922-02-26 | -92 | SVO |
| -66 | 7.4 | 2423495 | 1923-03-16 | 2423598 | 1923-06-27 | -103 | SVO |
| -65 | 9.4 | 2423980 | 1924-07-13 | 2424084 | 1924-10-25 | -104 | SVO |
| -64 | 8.4 | 2424482 | 1925-11-27 | 2424569 | 1926-02-22 | -87 | SVO |
| -63 | 8.9 | 2424972 | 1927-04-01 | 2425055 | 1927-06-23 | -83 | SVO |
| -62 | 8.1 | 2425473 | 1928-08-14 | 2425541 | 1928-10-21 | -68 | SVO |
| -61 | 9.3 | 2425965 | 1929-12-19 | 2426027 | 1930-02-19 | -62 | SVO |
| -60 | 7.8 | 2426448 | 1931-04-16 | 2426513 | 1931-06-20 | -65 | SVO |
| -59 | 8.7 | 2426953 | 1932-09-02 | 2426999 | 1932-10-18 | -46 | SVO |
| -58 | 7.4 | 2427443 | 1934-01-05 | 2427485 | 1934-02-16 | -42 | SVO |
| -57 | 9.5 | 2427942 | 1935-05-19 | 2427971 | 1935-06-17 | -29 | SVO |
| -56 | 8.3 | 2428425 | 1936-09-13 | 2428457 | 1936-10-15 | -32 | SVO |
| -55 | 8.5 | 2428917 | 1938-01-18 | 2428943 | 1938-02-13 | -26 | SVO |
| -54 | 7.8 | 2429405 | 1939-05-21 | 2429428 | 1939-06-13 | -23 | SVO |
| -53 | 9.0 | 2429885 | 1940-09-12 | 2429914 | 1940-10-11 | -29 | SVO |
| -52 | 8.5 | 2430371 | 1942-01-11 | 2430400 | 1942-02-09 | -29 | SVO |
| -51 | 7.7 | 2430844 | 1943-04-29 | 2430886 | 1943-06-10 | -42 | SVO |
| -50 | 8.8 | 2431322 | 1944-08-19 | 2431372 | 1944-10-08 | -50 | SVO |
| -49 | 8.1 | 2431807 | 1945-12-17 | 2431858 | 1946-02-06 | -51 | SVO |
| -48 | 8.2 | 2432298 | 1947-04-22 | 2432344 | 1947-06-07 | -46 | AAVSO |
| -47 | 7.9 | 2432767 | 1948-08-03 | 2432830 | 1948-10-05 | -63 | SVO |
| -46 | 8.4 | 2433254 | 1949-12-03 | 2433316 | 1950-02-03 | -62 | SVO |
| -45 | 7.9 | 2433736 | 1951-03-30 | 2433802 | 1951-06-04 | -66 | SVO |
| -44 | 8.4 | 2434224 | 1952-07-30 | 2434287 | 1952-10-01 | -63 | SVO |
| -43 | 7.9 | 2434719 | 1953-12-07 | 2434773 | 1954-01-30 | -54 | SVO |
| -42 | 7.9 | 2435203 | 1955-04-05 | 2435259 | 1955-05-31 | -56 | SVO |
| -41 | 8.4 | 2435694 | 1956-08-08 | 2435745 | 1956-09-28 | -51 | SVO |
| -40 | 8.1 | 2436183 | 1957-12-10 | 2436231 | 1958-01-27 | -48 | SVO |
| -39 | 8.3 | 2436666 | 1959-04-07 | 2436717 | 1959-05-28 | -51 | SVO |
| -38 | 7.2 | 2437147 | 1960-07-31 | 2437203 | 1960-09-25 | -56 | SVO |
| -37 | 8.7 | 2437648 | 1961-12-14 | 2437689 | 1962-01-24 | -41 | SVO |
| -36 | 8.5 | 2438139 | 1963-04-19 | 2438175 | 1963-05-25 | -36 | SVO |
| -35 | 7.7 | 2438634 | 1964-08-26 | 2438661 | 1964-09-22 | -27 | SVO |
| -34 | 8.2 | 2439125 | 1965-12-30 | 2439146 | 1966-01-20 | -21 | SVO |
| -33 | 8.1 | 2439613 | 1967-05-02 | 2439632 | 1967-05-21 | -19 | SVO |
| -32 | 7.6 | 2440105 | 1968-09-05 | 2440118 | 1968-09-18 | -13 | SVO |
| -31 | 8.4 | 2440582 | 1969-12-26 | 2440604 | 1970-01-17 | -22 | SVO |
| -30 | 7.6 | 2441066 | 1971-04-24 | 2441090 | 1971-05-18 | -24 | SVO |
| -29 | 8.4 | 2441543 | 1972-08-13 | 2441576 | 1972-09-15 | -33 | SVO |
| -28 | 7.9 | 2442029 | 1973-12-12 | 2442062 | 1974-01-14 | -33 | SVO |
| -27 | 7.9 | 2442502 | 1975-03-30 | 2442548 | 1975-05-15 | -46 | SVO |
| -26 | 7.6 | 2442987 | 1976-07-27 | 2443034 | 1976-09-12 | -47 | SVO |
| -25 | 7.5 | 2443448 | 1977-10-31 | 2443520 | 1978-01-11 | -72 | SVO |
| -24 | 7.4 | 2443936 | 1979-03-03 | 2444005 | 1979-05-11 | -69 | SVO |
| -23 | 7.6 | 2444413 | 1980-06-22 | 2444491 | 1980-09-08 | -78 | SVO |
| -22 | 7.5 | 2444901 | 1981-10-23 | 2444977 | 1982-01-07 | -76 | SVO |
| -21 | 7.9 | 2445381 | 1983-02-15 | 2445463 | 1983-05-08 | -82 | SVO |
| -20 | 7.9 | 2445868 | 1984-06-16 | 2445949 | 1984-09-05 | -81 | SVO |
| -19 | 8.4 | 2446348 | 1985-10-09 | 2446435 | 1986-01-04 | -87 | SVO |
| -18 | 7.6 | 2446831 | 1987-02-04 | 2446921 | 1987-05-05 | -90 | SVO |
| -17 | 8.9 | 2447332 | 1988-06-19 | 2447407 | 1988-09-02 | -75 | SVO |
| -16 | 7.8 | 2447826 | 1989-10-26 | 2447893 | 1990-01-01 | -67 | SVO |
| -15 | 8.0 | 2448320 | 1991-03-04 | 2448379 | 1991-05-02 | -59 | SVO |
| -14 | 7.9 | 2448819 | 1992-07-15 | 2448864 | 1992-08-29 | -45 | SVO |
| -13 | 7.4 | 2449317 | 1993-11-25 | 2449350 | 1993-12-28 | -33 | SVO |
| -12 | 8.0 | 2449818 | 1995-04-10 | 2449836 | 1995-04-28 | -18 | SVO |
| -11 | 7.5 | 2450313 | 1996-08-17 | 2450322 | 1996-08-26 | -9 | SVO |
| -10 | 8.0 | 2450807 | 1997-12-24 | 2450808 | 1997-12-25 | -1 | SVO |
| -9 | 7.5 | 2451305 | 1999-05-06 | 2451294 | 1999-04-25 | 11 | SVO |
| -8 | 8.0 | 2451790 | 2000-09-02 | 2451780 | 2000-08-23 | 10 | SVO |
| -7 | 7.7 | 2452282 | 2002-01-07 | 2452266 | 2001-12-22 | 16 | SVO |
| -6 | 8.4 | 2452773 | 2003-05-13 | 2452752 | 2003-04-22 | 21 | SVO |
| -5 | 7.6 | 2453262 | 2004-09-13 | 2453238 | 2004-08-20 | 24 | SVO |
| -4 | 8.4 | 2453741 | 2006-01-05 | 2453723 | 2005-12-18 | 18 | SVO |
| -3 | 7.3 | 2454223 | 2007-05-02 | 2454209 | 2007-04-18 | 14 | SVO |
| -2 | 8.3 | 2454700 | 2008-08-21 | 2454695 | 2008-08-16 | 5 | SVO |
| -1 | 8.0 | 2455187 | 2009-12-21 | 2455181 | 2009-12-15 | 6 | SVO |
| 0 | 8.5 | 2455663 | 2011-04-11 | 2455667 | 2011-04-15 | -4 | SVO |
| 1 | 7.6 | 2456124 | 2012-07-15 | 2456153 | 2012-08-13 | -29 | SVO |
| 2 | 8.8 | 2456602 | 2013-11-05 | 2456639 | 2013-12-12 | -37 | SVO |
| 3 | 7.7 | 2457056 | 2015-02-02 | 2457125 | 2015-04-12 | -69 | SVO |
| 4 | 8.6 | 2457543 | 2016-06-03 | 2457611 | 2016-08-10 | -68 | SVO |
| 5 | 7.6 | 2458016 | 2017-09-19 | 2458097 | 2017-12-09 | -81 | SVO |
| 6 | 8.2 | 2458490 | 2019-01-06 | 2458582 | 2019-04-08 | -92 | SVO |
| 7 | 7.7 | 2458978 | 2020-05-08 | 2459068 | 2020-08-06 | -90 | SVO |
| 8 | 8.4 | 2459448 | 2021-08-21 | 2459554 | 2021-12-05 | -106 | SVO |
| 9 | 7.9 | 2459935 | 2022-12-21 | 2460040 | 2023-04-05 | -105 | 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. |