| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -68 | 2415270 | 1900-09-07 | 2415236 | 1900-08-04 | 34 | AnHar, 1909, vol 55, p 95 | |
| -67 | 2415620 | 1901-08-23 | 2415584 | 1901-07-18 | 36 | AnHar, 1909, vol 55, p 95 | |
| -49 | 9.6 | 2421864 | 1918-09-27 | 2421847 | 1918-09-10 | 17 | SVO |
| -46 | 9.8 | 2422890 | 1921-07-19 | 2422891 | 1921-07-20 | -1 | SVO |
| -45 | 9.4 | 2423253 | 1922-07-17 | 2423238 | 1922-07-02 | 15 | SVO |
| -44 | 2423602 | 1923-07-01 | 2423586 | 1923-06-15 | 16 | AAVSO | |
| -43 | 2423937 | 1924-05-31 | 2423934 | 1924-05-28 | 3 | AAVSO | |
| -39 | 9.8 | 2425326 | 1928-03-20 | 2425326 | 1928-03-20 | 0 | AAVSO |
| -38 | 2425673 | 1929-03-02 | 2425674 | 1929-03-03 | -1 | AAVSO | |
| -37 | 2426027 | 1930-02-19 | 2426022 | 1930-02-14 | 5 | AAVSO | |
| -36 | 2426382 | 1931-02-09 | 2426370 | 1931-01-28 | 12 | AAVSO | |
| -35 | 2426726 | 1932-01-19 | 2426718 | 1932-01-11 | 8 | AAVSO | |
| -34 | 2427078 | 1933-01-05 | 2427066 | 1932-12-24 | 12 | AAVSO | |
| -33 | 10.4 | 2427419 | 1933-12-12 | 2427414 | 1933-12-07 | 5 | SVO |
| -32 | 9.7 | 2427772 | 1934-11-30 | 2427762 | 1934-11-20 | 10 | SVO |
| -30 | 2428460 | 1936-10-18 | 2428458 | 1936-10-16 | 2 | AAVSO | |
| -29 | 10.0 | 2428800 | 1937-09-23 | 2428806 | 1937-09-29 | -6 | AAVSO |
| -28 | 9.6 | 2429167 | 1938-09-25 | 2429154 | 1938-09-12 | 13 | AAVSO |
| -27 | 2429527 | 1939-09-20 | 2429502 | 1939-08-26 | 25 | AAVSO | |
| -26 | 9.7 | 2429878 | 1940-09-05 | 2429850 | 1940-08-08 | 28 | AAVSO |
| -25 | 10.5 | 2430227 | 1941-08-20 | 2430197 | 1941-07-21 | 30 | AAVSO |
| -24 | 2430574 | 1942-08-02 | 2430545 | 1942-07-04 | 29 | AAVSO | |
| -23 | 2430910 | 1943-07-04 | 2430893 | 1943-06-17 | 17 | AAVSO | |
| -22 | 9.7 | 2431247 | 1944-06-05 | 2431241 | 1944-05-30 | 6 | AAVSO |
| -21 | 2431594 | 1945-05-18 | 2431589 | 1945-05-13 | 5 | AAVSO | |
| -20 | 2431939 | 1946-04-28 | 2431937 | 1946-04-26 | 2 | AAVSO | |
| -19 | 2432284 | 1947-04-08 | 2432285 | 1947-04-09 | -1 | AAVSO | |
| -18 | 2432627 | 1948-03-16 | 2432633 | 1948-03-22 | -6 | AAVSO | |
| -17 | 2432967 | 1949-02-19 | 2432981 | 1949-03-05 | -14 | AAVSO | |
| -16 | 2433314 | 1950-02-01 | 2433329 | 1950-02-16 | -15 | AAVSO | |
| -15 | 10.0 | 2433658 | 1951-01-11 | 2433677 | 1951-01-30 | -19 | AAVSO |
| -14 | 10.0 | 2434006 | 1951-12-25 | 2434025 | 1952-01-13 | -19 | AAVSO |
| -13 | 10.2 | 2434361 | 1952-12-14 | 2434373 | 1952-12-26 | -12 | AAVSO |
| -12 | 9.8 | 2434709 | 1953-11-27 | 2434721 | 1953-12-09 | -12 | AAVSO |
| -11 | 9.4 | 2435042 | 1954-10-26 | 2435069 | 1954-11-22 | -27 | SVO |
| -10 | 9.8 | 2435408 | 1955-10-27 | 2435417 | 1955-11-05 | -9 | SVO |
| -9 | 9.7 | 2435757 | 1956-10-10 | 2435765 | 1956-10-18 | -8 | SVO |
| -8 | 10.6 | 2436098 | 1957-09-16 | 2436113 | 1957-10-01 | -15 | SVO |
| -7 | 9.3 | 2436459 | 1958-09-12 | 2436461 | 1958-09-14 | -2 | SVO |
| -6 | 10.4 | 2436797 | 1959-08-16 | 2436809 | 1959-08-28 | -12 | SVO |
| -5 | 10.4 | 2437147 | 1960-07-31 | 2437156 | 1960-08-09 | -9 | SVO |
| -4 | 10.6 | 2437495 | 1961-07-14 | 2437504 | 1961-07-23 | -9 | SVO |
| -3 | 9.7 | 2437844 | 1962-06-28 | 2437852 | 1962-07-06 | -8 | SVO |
| -2 | 9.6 | 2438180 | 1963-05-30 | 2438200 | 1963-06-19 | -20 | SVO |
| -1 | 9.4 | 2438534 | 1964-05-18 | 2438548 | 1964-06-01 | -14 | SVO |
| 0 | 10.0 | 2438885 | 1965-05-04 | 2438896 | 1965-05-15 | -11 | AAVSO |
| 1 | 10.7 | 2439233 | 1966-04-17 | 2439244 | 1966-04-28 | -11 | AAVSO |
| 2 | 2439580 | 1967-03-30 | 2439592 | 1967-04-11 | -12 | AAVSO | |
| 3 | 11.5 | 2439927 | 1968-03-11 | 2439940 | 1968-03-24 | -13 | AAVSO |
| 4 | 10.1 | 2440273 | 1969-02-20 | 2440288 | 1969-03-07 | -15 | AAVSO |
| 5 | 2440620 | 1970-02-02 | 2440636 | 1970-02-18 | -16 | AAVSO | |
| 6 | 2440967 | 1971-01-15 | 2440984 | 1971-02-01 | -17 | AAVSO | |
| 7 | 2441314 | 1971-12-28 | 2441332 | 1972-01-15 | -18 | AAVSO | |
| 8 | 2441661 | 1972-12-09 | 2441680 | 1972-12-28 | -19 | AAVSO | |
| 9 | 10.7 | 2442008 | 1973-11-21 | 2442028 | 1973-12-11 | -20 | AAVSO |
| 10 | 9.8 | 2442351 | 1974-10-30 | 2442376 | 1974-11-24 | -25 | AAVSO |
| 11 | 11.8 | 2442709 | 1975-10-23 | 2442724 | 1975-11-07 | -15 | AAVSO |
| 12 | 11.3 | 2443056 | 1976-10-04 | 2443072 | 1976-10-20 | -16 | AAVSO |
| 13 | 11.2 | 2443405 | 1977-09-18 | 2443420 | 1977-10-03 | -15 | AAVSO |
| 14 | 11.0 | 2443749 | 1978-08-28 | 2443768 | 1978-09-16 | -19 | AAVSO |
| 15 | 10.4 | 2444096 | 1979-08-10 | 2444115 | 1979-08-29 | -19 | SVO |
| 16 | 11.1 | 2444442 | 1980-07-21 | 2444463 | 1980-08-11 | -21 | AAVSO |
| 17 | 9.7 | 2444788 | 1981-07-02 | 2444811 | 1981-07-25 | -23 | AAVSO |
| 18 | 10.6 | 2445133 | 1982-06-12 | 2445159 | 1982-07-08 | -26 | AAVSO |
| 19 | 10.8 | 2445481 | 1983-05-26 | 2445507 | 1983-06-21 | -26 | AAVSO |
| 20 | 11.1 | 2445837 | 1984-05-16 | 2445855 | 1984-06-03 | -18 | AAVSO |
| 21 | 10.4 | 2446183 | 1985-04-27 | 2446203 | 1985-05-17 | -20 | AAVSO |
| 22 | 10.3 | 2446551 | 1986-04-30 | 2446551 | 1986-04-30 | 0 | AAVSO |
| 23 | 10.3 | 2446902 | 1987-04-16 | 2446899 | 1987-04-13 | 3 | AAVSO |
| 24 | 2447263 | 1988-04-11 | 2447247 | 1988-03-26 | 16 | AAVSO | |
| 25 | 2447610 | 1989-03-24 | 2447595 | 1989-03-09 | 15 | AAVSO | |
| 26 | 2447959 | 1990-03-08 | 2447943 | 1990-02-20 | 16 | AAVSO | |
| 27 | 2448305 | 1991-02-17 | 2448291 | 1991-02-03 | 14 | AAVSO | |
| 28 | 2448657 | 1992-02-04 | 2448639 | 1992-01-17 | 18 | AAVSO | |
| 29 | 2448988 | 1992-12-31 | 2448987 | 1992-12-30 | 1 | AAVSO | |
| 30 | 2449331 | 1993-12-09 | 2449335 | 1993-12-13 | -4 | AAVSO | |
| 31 | 2449673 | 1994-11-16 | 2449683 | 1994-11-26 | -10 | AAVSO | |
| 32 | 2450006 | 1995-10-15 | 2450031 | 1995-11-09 | -25 | AAVSO | |
| 33 | 9.8 | 2450365 | 1996-10-08 | 2450379 | 1996-10-22 | -14 | SVO |
| 34 | 2450711 | 1997-09-19 | 2450727 | 1997-10-05 | -16 | AAVSO | |
| 35 | 2451063 | 1998-09-06 | 2451075 | 1998-09-18 | -12 | AAVSO | |
| 36 | 10.1 | 2451416 | 1999-08-25 | 2451422 | 1999-08-31 | -6 | SVO |
| 37 | 10.3 | 2451767 | 2000-08-10 | 2451770 | 2000-08-13 | -3 | SVO |
| 38 | 9.6 | 2452133 | 2001-08-11 | 2452118 | 2001-07-27 | 15 | SVO |
| 39 | 2452477 | 2002-07-21 | 2452466 | 2002-07-10 | 11 | AAVSO | |
| 40 | 10.0 | 2452828 | 2003-07-07 | 2452814 | 2003-06-23 | 14 | SVO |
| 41 | 10.0 | 2453170 | 2004-06-13 | 2453162 | 2004-06-05 | 8 | SVO |
| 42 | 10.0 | 2453507 | 2005-05-16 | 2453510 | 2005-05-19 | -3 | SVO |
| 43 | 9.5 | 2453856 | 2006-04-30 | 2453858 | 2006-05-02 | -2 | SVO |
| 44 | 2454221 | 2007-04-30 | 2454206 | 2007-04-15 | 15 | AAVSO | |
| 45 | 10.5 | 2454566 | 2008-04-09 | 2454554 | 2008-03-28 | 12 | AAVSO |
| 46 | 9.7 | 2454918 | 2009-03-27 | 2454902 | 2009-03-11 | 16 | AAVSO |
| 47 | 10.6 | 2455267 | 2010-03-11 | 2455250 | 2010-02-22 | 17 | AAVSO |
| 48 | 2455614 | 2011-02-21 | 2455598 | 2011-02-05 | 16 | AAVSO | |
| 49 | 2455952 | 2012-01-25 | 2455946 | 2012-01-19 | 6 | AAVSO | |
| 50 | 2456310 | 2013-01-17 | 2456294 | 2013-01-01 | 16 | AAVSO | |
| 51 | 2456659 | 2014-01-01 | 2456642 | 2013-12-15 | 17 | AAVSO | |
| 52 | 10.5 | 2457011 | 2014-12-19 | 2456990 | 2014-11-28 | 21 | SVO |
| 53 | 10.5 | 2457346 | 2015-11-19 | 2457338 | 2015-11-11 | 8 | SVO |
| 54 | 10.7 | 2457705 | 2016-11-12 | 2457686 | 2016-10-24 | 19 | SVO |
| 55 | 11.1 | 2458050 | 2017-10-23 | 2458034 | 2017-10-07 | 16 | SVO |
| 56 | 9.7 | 2458404 | 2018-10-12 | 2458381 | 2018-09-19 | 23 | SVO |
| 57 | 10.8 | 2458744 | 2019-09-17 | 2458729 | 2019-09-02 | 15 | SVO |
| 58 | 10.1 | 2459089 | 2020-08-27 | 2459077 | 2020-08-15 | 12 | SVO |
| 59 | 11.0 | 2459441 | 2021-08-14 | 2459425 | 2021-07-29 | 16 | SVO |
| 60 | 10.7 | 2459796 | 2022-08-04 | 2459773 | 2022-07-12 | 23 | 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. |