| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -81 | 2410526 | 1887-09-11 | 2410485 | 1887-08-01 | 41 | TvOC, 1910, vol 5, p 40 | |
| -77 | 2412094 | 1891-12-27 | 2412039 | 1891-11-02 | 55 | TvOC, 1910, vol 5, p 40 | |
| -73 | 2413600 | 1896-02-10 | 2413592 | 1896-02-02 | 8 | TvOC, 1910, vol 5, p 40 | |
| -72 | 2413983 | 1897-02-27 | 2413980 | 1897-02-24 | 3 | TvOC, 1910, vol 5, p 40 | |
| -69 | 2415173 | 1900-06-02 | 2415145 | 1900-05-05 | 28 | TvOC, 1910, vol 5, p 40, AnHar, 1909, vol 55, p 95 | |
| -60 | 2418602 | 1909-10-22 | 2418641 | 1909-11-30 | -39 | TvOC, 1910, vol 5, p 40 | |
| -51 | 9.3 | 2422133 | 1919-06-23 | 2422136 | 1919-06-26 | -3 | SVO |
| -50 | 9.8 | 2422520 | 1920-07-14 | 2422524 | 1920-07-18 | -4 | SVO |
| -49 | 9.7 | 2422911 | 1921-08-09 | 2422912 | 1921-08-10 | -1 | SVO |
| -48 | 2423277 | 1922-08-10 | 2423301 | 1922-09-03 | -24 | AAVSO | |
| -47 | 8.0 | 2423671 | 1923-09-08 | 2423689 | 1923-09-26 | -18 | SVO |
| -46 | 9.0 | 2424069 | 1924-10-10 | 2424077 | 1924-10-18 | -8 | SVO |
| -45 | 9.4 | 2424483 | 1925-11-28 | 2424466 | 1925-11-11 | 17 | SVO |
| -44 | 8.4 | 2424859 | 1926-12-09 | 2424854 | 1926-12-04 | 5 | SVO |
| -43 | 8.9 | 2425231 | 1927-12-16 | 2425243 | 1927-12-28 | -12 | SVO |
| -42 | 8.7 | 2425623 | 1929-01-11 | 2425631 | 1929-01-19 | -8 | AAVSO |
| -41 | 8.5 | 2426007 | 1930-01-30 | 2426019 | 1930-02-11 | -12 | AAVSO |
| -40 | 8.5 | 2426387 | 1931-02-14 | 2426408 | 1931-03-07 | -21 | AAVSO |
| -39 | 8.0 | 2426773 | 1932-03-06 | 2426796 | 1932-03-29 | -23 | AAVSO |
| -38 | 8.3 | 2427170 | 1933-04-07 | 2427184 | 1933-04-21 | -14 | AAVSO |
| -37 | 2427579 | 1934-05-21 | 2427573 | 1934-05-15 | 6 | AAVSO | |
| -36 | 9.3 | 2427977 | 1935-06-23 | 2427961 | 1935-06-07 | 16 | SVO |
| -35 | 2428340 | 1936-06-20 | 2428349 | 1936-06-29 | -9 | AAVSO | |
| -34 | 9.1 | 2428735 | 1937-07-20 | 2428738 | 1937-07-23 | -3 | SVO |
| -33 | 2429103 | 1938-07-23 | 2429126 | 1938-08-15 | -23 | AAVSO | |
| -32 | 8.2 | 2429505 | 1939-08-29 | 2429514 | 1939-09-07 | -9 | AAVSO |
| -31 | 10.9 | 2429894 | 1940-09-21 | 2429903 | 1940-09-30 | -9 | SVO |
| -30 | 10.0 | 2430289 | 1941-10-21 | 2430291 | 1941-10-23 | -2 | AAVSO |
| -29 | 10.0 | 2430669 | 1942-11-05 | 2430679 | 1942-11-15 | -10 | AAVSO |
| -28 | 9.2 | 2431047 | 1943-11-18 | 2431068 | 1943-12-09 | -21 | AAVSO |
| -27 | 9.7 | 2431447 | 1944-12-22 | 2431456 | 1944-12-31 | -9 | AAVSO |
| -26 | 9.3 | 2431824 | 1946-01-03 | 2431844 | 1946-01-23 | -20 | SVO |
| -25 | 9.9 | 2432222 | 1947-02-05 | 2432233 | 1947-02-16 | -11 | SVO |
| -24 | 9.9 | 2432610 | 1948-02-28 | 2432621 | 1948-03-10 | -11 | SVO |
| -23 | 9.7 | 2432996 | 1949-03-20 | 2433009 | 1949-04-02 | -13 | SVO |
| -22 | 10.0 | 2433378 | 1950-04-06 | 2433398 | 1950-04-26 | -20 | SVO |
| -21 | 9.5 | 2433784 | 1951-05-17 | 2433786 | 1951-05-19 | -2 | SVO |
| -20 | 9.5 | 2434146 | 1952-05-13 | 2434175 | 1952-06-11 | -29 | SVO |
| -19 | 9.8 | 2434566 | 1953-07-07 | 2434563 | 1953-07-04 | 3 | SVO |
| -18 | 8.8 | 2434947 | 1954-07-23 | 2434951 | 1954-07-27 | -4 | SVO |
| -17 | 9.0 | 2435324 | 1955-08-04 | 2435340 | 1955-08-20 | -16 | SVO |
| -16 | 9.2 | 2435703 | 1956-08-17 | 2435728 | 1956-09-11 | -25 | SVO |
| -15 | 9.7 | 2436089 | 1957-09-07 | 2436116 | 1957-10-04 | -27 | SVO |
| -14 | 9.2 | 2436478 | 1958-10-01 | 2436505 | 1958-10-28 | -27 | SVO |
| -13 | 9.3 | 2436874 | 1959-11-01 | 2436893 | 1959-11-20 | -19 | SVO |
| -12 | 9.4 | 2437276 | 1960-12-07 | 2437281 | 1960-12-12 | -5 | SVO |
| -11 | 9.9 | 2437644 | 1961-12-10 | 2437670 | 1962-01-05 | -26 | SVO |
| -10 | 10.4 | 2438033 | 1963-01-03 | 2438058 | 1963-01-28 | -25 | SVO |
| -9 | 10.0 | 2438434 | 1964-02-08 | 2438446 | 1964-02-20 | -12 | SVO |
| -8 | 9.7 | 2438829 | 1965-03-09 | 2438835 | 1965-03-15 | -6 | SVO |
| -7 | 9.3 | 2439214 | 1966-03-29 | 2439223 | 1966-04-07 | -9 | SVO |
| -6 | 9.4 | 2439605 | 1967-04-24 | 2439611 | 1967-04-30 | -6 | SVO |
| -5 | 2439994 | 1968-05-17 | 2440000 | 1968-05-23 | -6 | AAVSO | |
| -4 | 9.8 | 2440411 | 1969-07-08 | 2440388 | 1969-06-15 | 23 | SVO |
| -3 | 2440769 | 1970-07-01 | 2440776 | 1970-07-08 | -7 | AAVSO | |
| -2 | 2441157 | 1971-07-24 | 2441165 | 1971-08-01 | -8 | AAVSO | |
| -1 | 10.1 | 2441590 | 1972-09-29 | 2441553 | 1972-08-23 | 37 | SVO |
| 0 | 9.4 | 2441978 | 1973-10-22 | 2441942 | 1973-09-16 | 36 | SVO |
| 1 | 9.4 | 2442363 | 1974-11-11 | 2442330 | 1974-10-09 | 33 | SVO |
| 2 | 9.2 | 2442761 | 1975-12-14 | 2442718 | 1975-11-01 | 43 | SVO |
| 3 | 8.5 | 2443150 | 1977-01-06 | 2443107 | 1976-11-24 | 43 | SVO |
| 4 | 8.8 | 2443524 | 1978-01-15 | 2443495 | 1977-12-17 | 29 | SVO |
| 5 | 8.1 | 2443934 | 1979-03-01 | 2443883 | 1979-01-09 | 51 | SVO |
| 6 | 8.2 | 2444310 | 1980-03-11 | 2444272 | 1980-02-02 | 38 | SVO |
| 7 | 9.6 | 2444682 | 1981-03-18 | 2444660 | 1981-02-24 | 22 | SVO |
| 8 | 8.8 | 2445082 | 1982-04-22 | 2445048 | 1982-03-19 | 34 | SVO |
| 9 | 10.0 | 2445449 | 1983-04-24 | 2445437 | 1983-04-12 | 12 | SVO |
| 10 | 11.2 | 2445855 | 1984-06-03 | 2445825 | 1984-05-04 | 30 | AAVSO |
| 11 | 9.0 | 2446257 | 1985-07-10 | 2446213 | 1985-05-27 | 44 | SVO |
| 12 | 9.2 | 2446620 | 1986-07-08 | 2446602 | 1986-06-20 | 18 | SVO |
| 13 | 9.7 | 2447018 | 1987-08-10 | 2446990 | 1987-07-13 | 28 | SVO |
| 14 | 10.2 | 2447396 | 1988-08-22 | 2447378 | 1988-08-04 | 18 | SVO |
| 15 | 10.3 | 2447795 | 1989-09-25 | 2447767 | 1989-08-28 | 28 | SVO |
| 16 | 9.9 | 2448177 | 1990-10-12 | 2448155 | 1990-09-20 | 22 | SVO |
| 17 | 11.3 | 2448551 | 1991-10-21 | 2448543 | 1991-10-13 | 8 | SVO |
| 18 | 11.4 | 2448956 | 1992-11-29 | 2448932 | 1992-11-05 | 24 | SVO |
| 19 | 10.8 | 2449327 | 1993-12-05 | 2449320 | 1993-11-28 | 7 | SVO |
| 20 | 10.1 | 2449739 | 1995-01-21 | 2449709 | 1994-12-22 | 30 | SVO |
| 21 | 9.5 | 2450115 | 1996-02-01 | 2450097 | 1996-01-14 | 18 | SVO |
| 22 | 9.7 | 2450472 | 1997-01-23 | 2450485 | 1997-02-05 | -13 | SVO |
| 23 | 9.2 | 2450875 | 1998-03-02 | 2450874 | 1998-03-01 | 1 | SVO |
| 24 | 9.0 | 2451258 | 1999-03-20 | 2451262 | 1999-03-24 | -4 | SVO |
| 25 | 9.6 | 2451640 | 2000-04-05 | 2451650 | 2000-04-15 | -10 | SVO |
| 26 | 8.6 | 2452079 | 2001-06-18 | 2452039 | 2001-05-09 | 40 | SVO |
| 27 | 8.8 | 2452428 | 2002-06-02 | 2452427 | 2002-06-01 | 1 | SVO |
| 28 | 9.1 | 2452816 | 2003-06-25 | 2452815 | 2003-06-24 | 1 | SVO |
| 29 | 8.8 | 2453201 | 2004-07-14 | 2453204 | 2004-07-17 | -3 | SVO |
| 30 | 8.6 | 2453586 | 2005-08-03 | 2453592 | 2005-08-09 | -6 | SVO |
| 31 | 9.0 | 2453978 | 2006-08-30 | 2453980 | 2006-09-01 | -2 | SVO |
| 32 | 2454388 | 2007-10-14 | 2454369 | 2007-09-25 | 19 | AAVSO | |
| 33 | 8.9 | 2454748 | 2008-10-08 | 2454757 | 2008-10-17 | -9 | SVO |
| 34 | 9.2 | 2455139 | 2009-11-03 | 2455145 | 2009-11-09 | -6 | SVO |
| 35 | 9.7 | 2455528 | 2010-11-27 | 2455534 | 2010-12-03 | -6 | SVO |
| 36 | 9.6 | 2455913 | 2011-12-17 | 2455922 | 2011-12-26 | -9 | AAVSO |
| 37 | 8.8 | 2456299 | 2013-01-06 | 2456310 | 2013-01-17 | -11 | AAVSO |
| 38 | 9.3 | 2456674 | 2014-01-16 | 2456699 | 2014-02-10 | -25 | SVO |
| 39 | 9.5 | 2457050 | 2015-01-27 | 2457087 | 2015-03-05 | -37 | SVO |
| 40 | 9.9 | 2457433 | 2016-02-14 | 2457476 | 2016-03-28 | -43 | SVO |
| 41 | 9.2 | 2457843 | 2017-03-30 | 2457864 | 2017-04-20 | -21 | SVO |
| 42 | 8.9 | 2458240 | 2018-05-01 | 2458252 | 2018-05-13 | -12 | SVO |
| 43 | 8.6 | 2458611 | 2019-05-07 | 2458641 | 2019-06-06 | -30 | SVO |
| 44 | 10.0 | 2458981 | 2020-05-11 | 2459029 | 2020-06-28 | -48 | SVO |
| 45 | 10.7 | 2459417 | 2021-07-21 | 2459417 | 2021-07-21 | 0 | SVO |
| 46 | 9.5 | 2459797 | 2022-08-05 | 2459806 | 2022-08-14 | -9 | 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. |