| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -81 | 2410526 | 1887-09-11 | 2410487 | 1887-08-03 | 39 | TvOC, 1910, vol 5, p 40 | |
| -77 | 2412094 | 1891-12-27 | 2412042 | 1891-11-05 | 52 | TvOC, 1910, vol 5, p 40 | |
| -73 | 2413600 | 1896-02-10 | 2413597 | 1896-02-07 | 3 | TvOC, 1910, vol 5, p 40 | |
| -72 | 2413983 | 1897-02-27 | 2413985 | 1897-03-01 | -2 | TvOC, 1910, vol 5, p 40 | |
| -69 | 2415173 | 1900-06-02 | 2415152 | 1900-05-12 | 21 | TvOC, 1910, vol 5, p 40, AnHar, 1909, vol 55, p 95 | |
| -60 | 2418602 | 1909-10-22 | 2418650 | 1909-12-09 | -48 | TvOC, 1910, vol 5, p 40 | |
| -51 | 9.3 | 2422133 | 1919-06-23 | 2422149 | 1919-07-09 | -16 | SVO |
| -50 | 9.8 | 2422520 | 1920-07-14 | 2422538 | 1920-08-01 | -18 | SVO |
| -49 | 9.7 | 2422911 | 1921-08-09 | 2422926 | 1921-08-24 | -15 | SVO |
| -48 | 2423277 | 1922-08-10 | 2423315 | 1922-09-17 | -38 | AAVSO | |
| -47 | 8.0 | 2423671 | 1923-09-08 | 2423704 | 1923-10-11 | -33 | SVO |
| -46 | 9.0 | 2424069 | 1924-10-10 | 2424092 | 1924-11-02 | -23 | SVO |
| -45 | 9.4 | 2424483 | 1925-11-28 | 2424481 | 1925-11-26 | 2 | SVO |
| -44 | 8.4 | 2424859 | 1926-12-09 | 2424870 | 1926-12-20 | -11 | SVO |
| -43 | 8.9 | 2425231 | 1927-12-16 | 2425259 | 1928-01-13 | -28 | SVO |
| -42 | 8.7 | 2425623 | 1929-01-11 | 2425647 | 1929-02-04 | -24 | AAVSO |
| -41 | 8.5 | 2426007 | 1930-01-30 | 2426036 | 1930-02-28 | -29 | AAVSO |
| -40 | 8.5 | 2426387 | 1931-02-14 | 2426425 | 1931-03-24 | -38 | AAVSO |
| -39 | 8.0 | 2426773 | 1932-03-06 | 2426814 | 1932-04-16 | -41 | AAVSO |
| -38 | 8.3 | 2427170 | 1933-04-07 | 2427202 | 1933-05-09 | -32 | AAVSO |
| -37 | 2427579 | 1934-05-21 | 2427591 | 1934-06-02 | -12 | AAVSO | |
| -36 | 9.3 | 2427977 | 1935-06-23 | 2427980 | 1935-06-26 | -3 | SVO |
| -35 | 2428340 | 1936-06-20 | 2428368 | 1936-07-18 | -28 | AAVSO | |
| -34 | 9.1 | 2428735 | 1937-07-20 | 2428757 | 1937-08-11 | -22 | SVO |
| -33 | 2429103 | 1938-07-23 | 2429146 | 1938-09-04 | -43 | AAVSO | |
| -32 | 8.2 | 2429505 | 1939-08-29 | 2429535 | 1939-09-28 | -30 | AAVSO |
| -31 | 10.9 | 2429894 | 1940-09-21 | 2429923 | 1940-10-20 | -29 | SVO |
| -30 | 10.0 | 2430289 | 1941-10-21 | 2430312 | 1941-11-13 | -23 | AAVSO |
| -29 | 10.0 | 2430669 | 1942-11-05 | 2430701 | 1942-12-07 | -32 | AAVSO |
| -28 | 9.2 | 2431047 | 1943-11-18 | 2431090 | 1943-12-31 | -43 | AAVSO |
| -27 | 9.7 | 2431447 | 1944-12-22 | 2431478 | 1945-01-22 | -31 | AAVSO |
| -26 | 9.3 | 2431824 | 1946-01-03 | 2431867 | 1946-02-15 | -43 | SVO |
| -25 | 9.9 | 2432222 | 1947-02-05 | 2432256 | 1947-03-11 | -34 | SVO |
| -24 | 9.9 | 2432610 | 1948-02-28 | 2432644 | 1948-04-02 | -34 | SVO |
| -23 | 9.7 | 2432996 | 1949-03-20 | 2433033 | 1949-04-26 | -37 | SVO |
| -22 | 10.0 | 2433378 | 1950-04-06 | 2433422 | 1950-05-20 | -44 | SVO |
| -21 | 9.5 | 2433784 | 1951-05-17 | 2433811 | 1951-06-13 | -27 | SVO |
| -20 | 9.5 | 2434146 | 1952-05-13 | 2434199 | 1952-07-05 | -53 | SVO |
| -19 | 9.8 | 2434566 | 1953-07-07 | 2434588 | 1953-07-29 | -22 | SVO |
| -18 | 8.8 | 2434947 | 1954-07-23 | 2434977 | 1954-08-22 | -30 | SVO |
| -17 | 9.0 | 2435324 | 1955-08-04 | 2435366 | 1955-09-15 | -42 | SVO |
| -16 | 9.2 | 2435703 | 1956-08-17 | 2435754 | 1956-10-07 | -51 | SVO |
| -15 | 9.7 | 2436089 | 1957-09-07 | 2436143 | 1957-10-31 | -54 | SVO |
| -14 | 9.2 | 2436478 | 1958-10-01 | 2436532 | 1958-11-24 | -54 | SVO |
| -13 | 9.3 | 2436874 | 1959-11-01 | 2436921 | 1959-12-18 | -47 | SVO |
| -12 | 9.4 | 2437276 | 1960-12-07 | 2437309 | 1961-01-09 | -33 | SVO |
| -11 | 9.9 | 2437644 | 1961-12-10 | 2437698 | 1962-02-02 | -54 | SVO |
| -10 | 10.4 | 2438033 | 1963-01-03 | 2438087 | 1963-02-26 | -54 | SVO |
| -9 | 10.0 | 2438434 | 1964-02-08 | 2438475 | 1964-03-20 | -41 | SVO |
| -8 | 9.7 | 2438829 | 1965-03-09 | 2438864 | 1965-04-13 | -35 | SVO |
| -7 | 9.3 | 2439214 | 1966-03-29 | 2439253 | 1966-05-07 | -39 | SVO |
| -6 | 9.4 | 2439605 | 1967-04-24 | 2439642 | 1967-05-31 | -37 | SVO |
| -5 | 2439994 | 1968-05-17 | 2440030 | 1968-06-22 | -36 | AAVSO | |
| -4 | 9.8 | 2440411 | 1969-07-08 | 2440419 | 1969-07-16 | -8 | SVO |
| -3 | 2440769 | 1970-07-01 | 2440808 | 1970-08-09 | -39 | AAVSO | |
| -2 | 2441157 | 1971-07-24 | 2441197 | 1971-09-02 | -40 | AAVSO | |
| -1 | 10.1 | 2441590 | 1972-09-29 | 2441585 | 1972-09-24 | 5 | SVO |
| 0 | 9.4 | 2441978 | 1973-10-22 | 2441974 | 1973-10-18 | 4 | SVO |
| 1 | 9.4 | 2442363 | 1974-11-11 | 2442363 | 1974-11-11 | 0 | SVO |
| 2 | 9.2 | 2442761 | 1975-12-14 | 2442751 | 1975-12-04 | 10 | SVO |
| 3 | 8.5 | 2443150 | 1977-01-06 | 2443140 | 1976-12-27 | 10 | SVO |
| 4 | 8.8 | 2443524 | 1978-01-15 | 2443529 | 1978-01-20 | -5 | SVO |
| 5 | 8.1 | 2443934 | 1979-03-01 | 2443918 | 1979-02-13 | 16 | SVO |
| 6 | 8.2 | 2444310 | 1980-03-11 | 2444306 | 1980-03-07 | 4 | SVO |
| 7 | 9.6 | 2444682 | 1981-03-18 | 2444695 | 1981-03-31 | -13 | SVO |
| 8 | 8.8 | 2445082 | 1982-04-22 | 2445084 | 1982-04-24 | -2 | SVO |
| 9 | 10.0 | 2445449 | 1983-04-24 | 2445473 | 1983-05-18 | -24 | SVO |
| 10 | 11.2 | 2445855 | 1984-06-03 | 2445861 | 1984-06-09 | -6 | AAVSO |
| 11 | 9.0 | 2446257 | 1985-07-10 | 2446250 | 1985-07-03 | 7 | SVO |
| 12 | 9.2 | 2446620 | 1986-07-08 | 2446639 | 1986-07-27 | -19 | SVO |
| 13 | 9.7 | 2447018 | 1987-08-10 | 2447027 | 1987-08-19 | -9 | SVO |
| 14 | 10.2 | 2447396 | 1988-08-22 | 2447416 | 1988-09-11 | -20 | SVO |
| 15 | 10.3 | 2447795 | 1989-09-25 | 2447805 | 1989-10-05 | -10 | SVO |
| 16 | 9.9 | 2448177 | 1990-10-12 | 2448194 | 1990-10-29 | -17 | SVO |
| 17 | 11.3 | 2448551 | 1991-10-21 | 2448582 | 1991-11-21 | -31 | SVO |
| 18 | 11.4 | 2448956 | 1992-11-29 | 2448971 | 1992-12-14 | -15 | SVO |
| 19 | 10.8 | 2449327 | 1993-12-05 | 2449360 | 1994-01-07 | -33 | SVO |
| 20 | 10.1 | 2449739 | 1995-01-21 | 2449749 | 1995-01-31 | -10 | SVO |
| 21 | 9.5 | 2450115 | 1996-02-01 | 2450137 | 1996-02-23 | -22 | SVO |
| 22 | 9.7 | 2450472 | 1997-01-23 | 2450526 | 1997-03-18 | -54 | SVO |
| 23 | 9.2 | 2450875 | 1998-03-02 | 2450915 | 1998-04-11 | -40 | SVO |
| 24 | 9.0 | 2451258 | 1999-03-20 | 2451304 | 1999-05-05 | -46 | SVO |
| 25 | 9.6 | 2451640 | 2000-04-05 | 2451692 | 2000-05-27 | -52 | SVO |
| 26 | 8.6 | 2452079 | 2001-06-18 | 2452081 | 2001-06-20 | -2 | SVO |
| 27 | 8.8 | 2452428 | 2002-06-02 | 2452470 | 2002-07-14 | -42 | SVO |
| 28 | 9.1 | 2452816 | 2003-06-25 | 2452858 | 2003-08-06 | -42 | SVO |
| 29 | 8.8 | 2453201 | 2004-07-14 | 2453247 | 2004-08-29 | -46 | SVO |
| 30 | 8.6 | 2453586 | 2005-08-03 | 2453636 | 2005-09-22 | -50 | SVO |
| 31 | 9.0 | 2453978 | 2006-08-30 | 2454025 | 2006-10-16 | -47 | SVO |
| 32 | 2454388 | 2007-10-14 | 2454413 | 2007-11-08 | -25 | AAVSO | |
| 33 | 8.9 | 2454748 | 2008-10-08 | 2454802 | 2008-12-01 | -54 | SVO |
| 34 | 9.2 | 2455139 | 2009-11-03 | 2455191 | 2009-12-25 | -52 | SVO |
| 35 | 9.7 | 2455528 | 2010-11-27 | 2455580 | 2011-01-18 | -52 | SVO |
| 36 | 9.6 | 2455913 | 2011-12-17 | 2455968 | 2012-02-10 | -55 | AAVSO |
| 37 | 8.8 | 2456299 | 2013-01-06 | 2456357 | 2013-03-05 | -58 | AAVSO |
| 38 | 9.3 | 2456674 | 2014-01-16 | 2456746 | 2014-03-29 | -72 | SVO |
| 39 | 9.5 | 2457050 | 2015-01-27 | 2457134 | 2015-04-21 | -84 | SVO |
| 40 | 9.9 | 2457433 | 2016-02-14 | 2457523 | 2016-05-14 | -90 | SVO |
| 41 | 9.2 | 2457843 | 2017-03-30 | 2457912 | 2017-06-07 | -69 | SVO |
| 42 | 8.9 | 2458240 | 2018-05-01 | 2458301 | 2018-07-01 | -61 | SVO |
| 43 | 8.6 | 2458611 | 2019-05-07 | 2458689 | 2019-07-24 | -78 | SVO |
| 44 | 10.0 | 2458981 | 2020-05-11 | 2459078 | 2020-08-16 | -97 | SVO |
| 45 | 10.7 | 2459417 | 2021-07-21 | 2459467 | 2021-09-09 | -50 | SVO |
| 46 | 9.5 | 2459797 | 2022-08-05 | 2459856 | 2022-10-03 | -59 | 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. |