| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -91 | 2411330 | 1889-11-23 | 2411066 | 1889-03-04 | 264 | SVO | |
| -87 | 2412660 | 1893-07-15 | 2412401 | 1892-10-29 | 259 | SVO | |
| -81 | 2414630 | 1898-12-06 | 2414405 | 1898-04-25 | 225 | SVO | |
| -80 | 2414950 | 1899-10-22 | 2414739 | 1899-03-25 | 211 | SVO | |
| -79 | 2415294 | 1900-10-01 | 2415073 | 1900-02-22 | 221 | SVO | |
| -78 | 2415620 | 1901-08-23 | 2415407 | 1901-01-22 | 213 | SVO | |
| -77 | 2415948 | 1902-07-17 | 2415741 | 1901-12-22 | 207 | SVO | |
| -76 | 2416270 | 1903-06-04 | 2416075 | 1902-11-21 | 195 | AnHar, 1952, vol 115 | |
| -75 | 2416605 | 1904-05-04 | 2416409 | 1903-10-21 | 196 | SVO | |
| -70 | 2418255 | 1908-11-09 | 2418079 | 1908-05-17 | 176 | SVO | |
| -69 | 2418582 | 1909-10-02 | 2418412 | 1909-04-15 | 170 | SVO | |
| -68 | 2418910 | 1910-08-26 | 2418746 | 1910-03-15 | 164 | SVO | |
| -67 | 2419235 | 1911-07-17 | 2419080 | 1911-02-12 | 155 | AnHar, 1952, vol 115 | |
| -65 | 2419910 | 1913-05-22 | 2419748 | 1912-12-11 | 162 | SVO | |
| -60 | 2421555 | 1917-11-22 | 2421418 | 1917-07-08 | 137 | SVO | |
| -59 | 2421892 | 1918-10-25 | 2421752 | 1918-06-07 | 140 | SVO | |
| -57 | 2422560 | 1920-08-23 | 2422420 | 1920-04-05 | 140 | SVO | |
| -51 | 2424523 | 1926-01-07 | 2424424 | 1925-09-30 | 99 | SVO | |
| -49 | 2425206 | 1927-11-21 | 2425091 | 1927-07-29 | 115 | SVO | |
| -48 | 2425525 | 1928-10-05 | 2425425 | 1928-06-27 | 100 | SVO | |
| -47 | 2425870 | 1929-09-15 | 2425759 | 1929-05-27 | 111 | AnHar, 1952, vol 115 | |
| -46 | 2426210 | 1930-08-21 | 2426093 | 1930-04-26 | 117 | AnHar, 1952, vol 115 | |
| -45 | 2426550 | 1931-07-27 | 2426427 | 1931-03-26 | 123 | SVO | |
| -44 | 2426890 | 1932-07-01 | 2426761 | 1932-02-23 | 129 | SVO | |
| -40 | 2428210 | 1936-02-11 | 2428097 | 1935-10-21 | 113 | AnHar, 1952, vol 115 | |
| -39 | 2428525 | 1936-12-22 | 2428431 | 1936-09-19 | 94 | SVO | |
| -38 | 2428864 | 1937-11-26 | 2428765 | 1937-08-19 | 99 | SVO | |
| -37 | 2429198 | 1938-10-26 | 2429099 | 1938-07-19 | 99 | SVO | |
| -36 | 2429531 | 1939-09-24 | 2429433 | 1939-06-18 | 98 | SVO | |
| -35 | 2429862 | 1940-08-20 | 2429767 | 1940-05-17 | 95 | SVO | |
| -34 | 2430184 | 1941-07-08 | 2430101 | 1941-04-16 | 83 | SVO | |
| -33 | 2430515 | 1942-06-04 | 2430435 | 1942-03-16 | 80 | SVO | |
| -32 | 2430860 | 1943-05-15 | 2430769 | 1943-02-13 | 91 | SVO | |
| -31 | 2431200 | 1944-04-19 | 2431103 | 1944-01-13 | 97 | SVO | |
| -30 | 2431531 | 1945-03-16 | 2431437 | 1944-12-12 | 94 | SVO | |
| -29 | 2431851 | 1946-01-30 | 2431770 | 1945-11-10 | 81 | SVO | |
| -28 | 2432175 | 1946-12-20 | 2432104 | 1946-10-10 | 71 | SVO | |
| -27 | 2432511 | 1947-11-21 | 2432438 | 1947-09-09 | 73 | SVO | |
| -26 | 2432836 | 1948-10-11 | 2432772 | 1948-08-08 | 64 | SVO | |
| -25 | 2433167 | 1949-09-07 | 2433106 | 1949-07-08 | 61 | SVO | |
| -24 | 2433511 | 1950-08-17 | 2433440 | 1950-06-07 | 71 | SVO | |
| -23 | 2433840 | 1951-07-12 | 2433774 | 1951-05-07 | 66 | SVO | |
| -16 | 8.8 | 2436130 | 1957-10-18 | 2436112 | 1957-09-30 | 18 | SVO |
| -15 | 8.6 | 2436453 | 1958-09-06 | 2436446 | 1958-08-30 | 7 | SVO |
| -14 | 9.0 | 2436784 | 1959-08-03 | 2436780 | 1959-07-30 | 4 | SVO |
| -13 | 9.0 | 2437113 | 1960-06-27 | 2437114 | 1960-06-28 | -1 | SVO |
| -12 | 8.4 | 2437439 | 1961-05-19 | 2437448 | 1961-05-28 | -9 | SVO |
| -11 | 8.8 | 2437771 | 1962-04-16 | 2437782 | 1962-04-27 | -11 | SVO |
| -10 | 9.2 | 2438107 | 1963-03-18 | 2438116 | 1963-03-27 | -9 | SVO |
| -9 | 8.9 | 2438449 | 1964-02-23 | 2438449 | 1964-02-23 | 0 | SVO |
| -8 | 8.8 | 2438777 | 1965-01-16 | 2438783 | 1965-01-22 | -6 | SVO |
| -7 | 2439110 | 1965-12-15 | 2439117 | 1965-12-22 | -7 | SVO | |
| -6 | 8.6 | 2439457 | 1966-11-27 | 2439451 | 1966-11-21 | 6 | SVO |
| -5 | 9.5 | 2439795 | 1967-10-31 | 2439785 | 1967-10-21 | 10 | SVO |
| -4 | 9.2 | 2440125 | 1968-09-25 | 2440119 | 1968-09-19 | 6 | SVO |
| -3 | 8.1 | 2440449 | 1969-08-15 | 2440453 | 1969-08-19 | -4 | SVO |
| -2 | 9.5 | 2440795 | 1970-07-27 | 2440787 | 1970-07-19 | 8 | SVO |
| -1 | 8.9 | 2441124 | 1971-06-21 | 2441121 | 1971-06-18 | 3 | SVO |
| 0 | 2441450 | 1972-05-12 | 2441455 | 1972-05-17 | -5 | SVO | |
| 1 | 2441790 | 1973-04-17 | 2441789 | 1973-04-16 | 1 | SVO | |
| 2 | 2442120 | 1974-03-13 | 2442123 | 1974-03-16 | -3 | SVO | |
| 3 | 9.6 | 2442446 | 1975-02-02 | 2442457 | 1975-02-13 | -11 | SVO |
| 4 | 9.1 | 2442779 | 1976-01-01 | 2442791 | 1976-01-13 | -12 | SVO |
| 5 | 2443110 | 1976-11-27 | 2443125 | 1976-12-12 | -15 | SVO | |
| 6 | 2443450 | 1977-11-02 | 2443459 | 1977-11-11 | -9 | SVO | |
| 12 | 2445450 | 1983-04-25 | 2445462 | 1983-05-07 | -12 | SVO | |
| 13 | 2445780 | 1984-03-20 | 2445796 | 1984-04-05 | -16 | SVO | |
| 14 | 2446110 | 1985-02-13 | 2446130 | 1985-03-05 | -20 | SVO | |
| 15 | 2446440 | 1986-01-09 | 2446464 | 1986-02-02 | -24 | SVO | |
| 16 | 8.9 | 2446776 | 1986-12-11 | 2446798 | 1987-01-02 | -22 | SVO |
| 17 | 8.9 | 2447106 | 1987-11-06 | 2447132 | 1987-12-02 | -26 | SVO |
| 18 | 8.3 | 2447435 | 1988-09-30 | 2447466 | 1988-10-31 | -31 | SVO |
| 19 | 2447760 | 1989-08-21 | 2447800 | 1989-09-30 | -40 | SVO | |
| 25 | 2449750 | 1995-02-01 | 2449804 | 1995-03-27 | -54 | SVO | |
| 26 | 2450060 | 1995-12-08 | 2450138 | 1996-02-24 | -78 | SVO | |
| 27 | 2450400 | 1996-11-12 | 2450472 | 1997-01-23 | -72 | SVO | |
| 28 | 2450730 | 1997-10-08 | 2450806 | 1997-12-23 | -76 | SVO | |
| 32 | 2452050 | 2001-05-20 | 2452141 | 2001-08-19 | -91 | SVO | |
| 37 | 2453710 | 2005-12-05 | 2453811 | 2006-03-16 | -101 | SVO | |
| 38 | 8.9 | 2454042 | 2006-11-02 | 2454145 | 2007-02-13 | -103 | SVO |
| 45 | 2456390 | 2013-04-07 | 2456483 | 2013-07-09 | -93 | SVO | |
| 46 | 2456730 | 2014-03-13 | 2456817 | 2014-06-08 | -87 | SVO | |
| 47 | 8.3 | 2457062 | 2015-02-08 | 2457151 | 2015-05-08 | -89 | SVO |
| 48 | 8.5 | 2457384 | 2015-12-27 | 2457485 | 2016-04-06 | -101 | SVO |
| 49 | 9.1 | 2457726 | 2016-12-03 | 2457819 | 2017-03-06 | -93 | SVO |
| 50 | 8.8 | 2458066 | 2017-11-08 | 2458153 | 2018-02-03 | -87 | SVO |
| 51 | 8.9 | 2458403 | 2018-10-11 | 2458486 | 2019-01-02 | -83 | SVO |
| 52 | 8.4 | 2458746 | 2019-09-19 | 2458820 | 2019-12-02 | -74 | SVO |
| 53 | 9.2 | 2459080 | 2020-08-18 | 2459154 | 2020-10-31 | -74 | SVO |
| 54 | 8.2 | 2459402 | 2021-07-06 | 2459488 | 2021-09-30 | -86 | SVO |
| 55 | 8.6 | 2459739 | 2022-06-08 | 2459822 | 2022-08-30 | -83 | 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. |