| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -80 | 2414960 | 1899-11-01 | 2414925 | 1899-09-27 | 35 | AnHar, 1952, vol 115 | |
| -78 | 2415610 | 1901-08-13 | 2415588 | 1901-07-22 | 22 | AnHar, 1952, vol 115 | |
| -77 | 2415955 | 1902-07-24 | 2415920 | 1902-06-19 | 35 | AnHar, 1952, vol 115 | |
| -76 | 2416270 | 1903-06-04 | 2416252 | 1903-05-17 | 18 | AnHar, 1952, vol 115 | |
| -70 | 2418245 | 1908-10-30 | 2418242 | 1908-10-27 | 3 | AnHar, 1952, vol 115 | |
| -69 | 2418580 | 1909-09-30 | 2418573 | 1909-09-23 | 7 | AnHar, 1952, vol 115 | |
| -68 | 2418895 | 1910-08-11 | 2418905 | 1910-08-21 | -10 | AnHar, 1952, vol 115 | |
| -67 | 2419235 | 1911-07-17 | 2419237 | 1911-07-19 | -2 | AnHar, 1952, vol 115 | |
| -51 | 2424530 | 1926-01-14 | 2424544 | 1926-01-28 | -14 | AnHar, 1952, vol 115 | |
| -49 | 2425200 | 1927-11-15 | 2425207 | 1927-11-22 | -7 | AnHar, 1952, vol 115 | |
| -48 | 2425530 | 1928-10-10 | 2425539 | 1928-10-19 | -9 | AnHar, 1952, vol 115 | |
| -47 | 2425870 | 1929-09-15 | 2425870 | 1929-09-15 | 0 | AnHar, 1952, vol 115 | |
| -46 | 2426210 | 1930-08-21 | 2426202 | 1930-08-13 | 8 | AnHar, 1952, vol 115 | |
| -45 | 2426560 | 1931-08-06 | 2426534 | 1931-07-11 | 26 | AnHar, 1952, vol 115 | |
| -44 | 2426910 | 1932-07-21 | 2426865 | 1932-06-06 | 45 | AnHar, 1952, vol 115 | |
| -40 | 2428210 | 1936-02-11 | 2428192 | 1936-01-24 | 18 | AnHar, 1952, vol 115 | |
| -39 | 2428530 | 1936-12-27 | 2428524 | 1936-12-21 | 6 | AnHar, 1952, vol 115 | |
| -38 | 2428870 | 1937-12-02 | 2428856 | 1937-11-18 | 14 | AnHar, 1952, vol 115 | |
| -37 | 2429190 | 1938-10-18 | 2429187 | 1938-10-15 | 3 | AnHar, 1952, vol 115 | |
| -36 | 2429535 | 1939-09-28 | 2429519 | 1939-09-12 | 16 | AnHar, 1952, vol 115 | |
| -35 | 2429865 | 1940-08-23 | 2429851 | 1940-08-09 | 14 | AnHar, 1952, vol 115 | |
| -34 | 2430185 | 1941-07-09 | 2430182 | 1941-07-06 | 3 | AnHar, 1952, vol 115 | |
| -16 | 8.8 | 2436130 | 1957-10-18 | 2436153 | 1957-11-10 | -23 | SVO |
| -15 | 8.6 | 2436453 | 1958-09-06 | 2436484 | 1958-10-07 | -31 | SVO |
| -14 | 9.0 | 2436784 | 1959-08-03 | 2436816 | 1959-09-04 | -32 | SVO |
| -13 | 9.0 | 2437113 | 1960-06-27 | 2437148 | 1960-08-01 | -35 | SVO |
| -12 | 8.4 | 2437439 | 1961-05-19 | 2437479 | 1961-06-28 | -40 | SVO |
| -11 | 8.8 | 2437771 | 1962-04-16 | 2437811 | 1962-05-26 | -40 | SVO |
| -10 | 9.2 | 2438107 | 1963-03-18 | 2438143 | 1963-04-23 | -36 | SVO |
| -9 | 8.9 | 2438449 | 1964-02-23 | 2438474 | 1964-03-19 | -25 | SVO |
| -8 | 8.8 | 2438777 | 1965-01-16 | 2438806 | 1965-02-14 | -29 | SVO |
| -7 | 2439110 | 1965-12-15 | 2439138 | 1966-01-12 | -28 | SVO | |
| -6 | 8.6 | 2439457 | 1966-11-27 | 2439469 | 1966-12-09 | -12 | SVO |
| -5 | 9.5 | 2439795 | 1967-10-31 | 2439801 | 1967-11-06 | -6 | SVO |
| -4 | 9.2 | 2440125 | 1968-09-25 | 2440133 | 1968-10-03 | -8 | SVO |
| -3 | 8.1 | 2440449 | 1969-08-15 | 2440465 | 1969-08-31 | -16 | SVO |
| -2 | 9.5 | 2440795 | 1970-07-27 | 2440796 | 1970-07-28 | -1 | SVO |
| -1 | 8.9 | 2441124 | 1971-06-21 | 2441128 | 1971-06-25 | -4 | SVO |
| 0 | 2441450 | 1972-05-12 | 2441460 | 1972-05-22 | -10 | SVO | |
| 1 | 2441790 | 1973-04-17 | 2441791 | 1973-04-18 | -1 | SVO | |
| 2 | 2442120 | 1974-03-13 | 2442123 | 1974-03-16 | -3 | SVO | |
| 3 | 9.6 | 2442446 | 1975-02-02 | 2442455 | 1975-02-11 | -9 | SVO |
| 4 | 9.1 | 2442779 | 1976-01-01 | 2442786 | 1976-01-08 | -7 | SVO |
| 5 | 2443110 | 1976-11-27 | 2443118 | 1976-12-05 | -8 | SVO | |
| 6 | 2443450 | 1977-11-02 | 2443450 | 1977-11-02 | 0 | SVO | |
| 12 | 2445450 | 1983-04-25 | 2445440 | 1983-04-15 | 10 | SVO | |
| 13 | 2445780 | 1984-03-20 | 2445772 | 1984-03-12 | 8 | SVO | |
| 14 | 2446110 | 1985-02-13 | 2446103 | 1985-02-06 | 7 | SVO | |
| 15 | 2446440 | 1986-01-09 | 2446435 | 1986-01-04 | 5 | SVO | |
| 16 | 8.9 | 2446776 | 1986-12-11 | 2446767 | 1986-12-02 | 9 | SVO |
| 17 | 8.9 | 2447106 | 1987-11-06 | 2447098 | 1987-10-29 | 8 | SVO |
| 18 | 8.3 | 2447435 | 1988-09-30 | 2447430 | 1988-09-25 | 5 | SVO |
| 19 | 2447760 | 1989-08-21 | 2447762 | 1989-08-23 | -2 | SVO | |
| 25 | 2449750 | 1995-02-01 | 2449752 | 1995-02-03 | -2 | SVO | |
| 26 | 2450060 | 1995-12-08 | 2450083 | 1995-12-31 | -23 | SVO | |
| 27 | 2450400 | 1996-11-12 | 2450415 | 1996-11-27 | -15 | SVO | |
| 28 | 2450730 | 1997-10-08 | 2450747 | 1997-10-25 | -17 | SVO | |
| 32 | 2452050 | 2001-05-20 | 2452074 | 2001-06-13 | -24 | SVO | |
| 37 | 2453710 | 2005-12-05 | 2453732 | 2005-12-27 | -22 | SVO | |
| 38 | 8.9 | 2454042 | 2006-11-02 | 2454064 | 2006-11-24 | -22 | SVO |
| 45 | 2456390 | 2013-04-07 | 2456385 | 2013-04-02 | 5 | SVO | |
| 46 | 2456730 | 2014-03-13 | 2456717 | 2014-02-28 | 13 | SVO | |
| 47 | 8.3 | 2457062 | 2015-02-08 | 2457049 | 2015-01-26 | 13 | SVO |
| 48 | 8.5 | 2457384 | 2015-12-27 | 2457380 | 2015-12-23 | 4 | SVO |
| 49 | 9.1 | 2457726 | 2016-12-03 | 2457712 | 2016-11-19 | 14 | SVO |
| 50 | 8.8 | 2458066 | 2017-11-08 | 2458044 | 2017-10-17 | 22 | SVO |
| 51 | 8.9 | 2458403 | 2018-10-11 | 2458376 | 2018-09-14 | 27 | SVO |
| 52 | 8.4 | 2458746 | 2019-09-19 | 2458707 | 2019-08-11 | 39 | SVO |
| 53 | 9.2 | 2459080 | 2020-08-18 | 2459039 | 2020-07-08 | 41 | SVO |
| 54 | 8.2 | 2459402 | 2021-07-06 | 2459371 | 2021-06-05 | 31 | SVO |
| 55 | 8.6 | 2459739 | 2022-06-08 | 2459702 | 2022-05-02 | 37 | 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. |