| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -64 | 2422891 | 1921-07-20 | 2422905 | 1921-08-03 | -14 | GuL, 1936, 2.2 | |
| -62 | 2423210 | 1922-06-04 | 2423248 | 1922-07-12 | -38 | SVO | |
| -58 | 2423900 | 1924-04-24 | 2423935 | 1924-05-29 | -35 | SVO | |
| -57 | 2424080 | 1924-10-21 | 2424107 | 1924-11-17 | -27 | SVO | |
| -52 | 2424950 | 1927-03-10 | 2424965 | 1927-03-25 | -15 | SVO | |
| -51 | 2425115 | 1927-08-22 | 2425136 | 1927-09-12 | -21 | SVO | |
| -49 | 2425450 | 1928-07-22 | 2425480 | 1928-08-21 | -30 | SVO | |
| -47 | 2425801 | 1929-07-08 | 2425823 | 1929-07-30 | -22 | GuL, 1936, 2.2 | |
| -46 | 2425983 | 1930-01-06 | 2425995 | 1930-01-18 | -12 | GuL, 1936, 2.2 | |
| -45 | 2426157 | 1930-06-29 | 2426166 | 1930-07-08 | -9 | GuL, 1936, 2.2 | |
| -43 | 2426492 | 1931-05-30 | 2426510 | 1931-06-17 | -18 | GuL, 1936, 2.2 | |
| -42 | 2426666 | 1931-11-20 | 2426681 | 1931-12-05 | -15 | GuL, 1936, 2.2 | |
| -40 | 2427005 | 1932-10-24 | 2427025 | 1932-11-13 | -20 | SVO | |
| -38 | 2427335 | 1933-09-19 | 2427368 | 1933-10-22 | -33 | SVO | |
| -37 | 2427515 | 1934-03-18 | 2427539 | 1934-04-11 | -24 | SVO | |
| -36 | 2427690 | 1934-09-09 | 2427711 | 1934-09-30 | -21 | SVO | |
| -34 | 2428040 | 1935-08-25 | 2428054 | 1935-09-08 | -14 | GuL, 1936, 2.2 | |
| -32 | 2428400 | 1936-08-19 | 2428398 | 1936-08-17 | 2 | SVO | |
| -30 | 2428750 | 1937-08-04 | 2428741 | 1937-07-26 | 9 | SVO | |
| -28 | 2429090 | 1938-07-10 | 2429084 | 1938-07-04 | 6 | SVO | |
| -26 | 2429423 | 1939-06-08 | 2429428 | 1939-06-13 | -5 | SVO | |
| -24 | 2429771 | 1940-05-21 | 2429771 | 1940-05-21 | 0 | SVO | |
| -22 | 2430110 | 1941-04-25 | 2430114 | 1941-04-29 | -4 | SVO | |
| -17 | 2430965 | 1943-08-28 | 2430972 | 1943-09-04 | -7 | SVO | |
| -15 | 2431300 | 1944-07-28 | 2431316 | 1944-08-13 | -16 | SVO | |
| -13 | 2431640 | 1945-07-03 | 2431659 | 1945-07-22 | -19 | SVO | |
| -11 | 2432000 | 1946-06-28 | 2432002 | 1946-06-30 | -2 | SVO | |
| -9 | 2432340 | 1947-06-03 | 2432346 | 1947-06-09 | -6 | SVO | |
| -6 | 2432860 | 1948-11-04 | 2432861 | 1948-11-05 | -1 | SVO | |
| -5 | 2433030 | 1949-04-23 | 2433032 | 1949-04-25 | -2 | SVO | |
| -3 | 2433380 | 1950-04-08 | 2433375 | 1950-04-03 | 5 | SVO | |
| -2 | 2433550 | 1950-09-25 | 2433547 | 1950-09-22 | 3 | SVO | |
| 0 | 2433880 | 1951-08-21 | 2433890 | 1951-08-31 | -10 | SVO | |
| 38 | 2440430 | 1969-07-27 | 2440413 | 1969-07-10 | 17 | SVO | |
| 40 | 2440770 | 1970-07-02 | 2440756 | 1970-06-18 | 14 | SVO | |
| 42 | 10.9 | 2441105 | 1971-06-02 | 2441100 | 1971-05-28 | 5 | SVO |
| 43 | 2441290 | 1971-12-04 | 2441271 | 1971-11-15 | 19 | SVO | |
| 49 | 2442325 | 1974-10-04 | 2442301 | 1974-09-10 | 24 | SVO | |
| 50 | 2442510 | 1975-04-07 | 2442473 | 1975-03-01 | 37 | SVO | |
| 51 | 10.9 | 2442680 | 1975-09-24 | 2442644 | 1975-08-19 | 36 | SVO |
| 52 | 2442840 | 1976-03-02 | 2442816 | 1976-02-07 | 24 | SVO | |
| 53 | 2443017 | 1976-08-26 | 2442988 | 1976-07-28 | 29 | SVO | |
| 54 | 2443200 | 1977-02-25 | 2443159 | 1977-01-15 | 41 | SVO | |
| 55 | 10.7 | 2443362 | 1977-08-06 | 2443331 | 1977-07-06 | 31 | SVO |
| 57 | 2443700 | 1978-07-10 | 2443674 | 1978-06-14 | 26 | SVO | |
| 59 | 2444055 | 1979-06-30 | 2444017 | 1979-05-23 | 38 | SVO | |
| 61 | 2444400 | 1980-06-09 | 2444361 | 1980-05-01 | 39 | SVO | |
| 63 | 2444750 | 1981-05-25 | 2444704 | 1981-04-09 | 46 | SVO | |
| 65 | 2445088 | 1982-04-28 | 2445047 | 1982-03-18 | 41 | SVO | |
| 66 | 2445252 | 1982-10-09 | 2445219 | 1982-09-06 | 33 | SVO | |
| 67 | 2445430 | 1983-04-05 | 2445391 | 1983-02-25 | 39 | SVO | |
| 68 | 10.6 | 2445601 | 1983-09-23 | 2445562 | 1983-08-15 | 39 | SVO |
| 69 | 2445765 | 1984-03-05 | 2445734 | 1984-02-03 | 31 | SVO | |
| 70 | 10.8 | 2445948 | 1984-09-04 | 2445906 | 1984-07-24 | 42 | SVO |
| 71 | 2446110 | 1985-02-13 | 2446077 | 1985-01-11 | 33 | SVO | |
| 72 | 10.6 | 2446285 | 1985-08-07 | 2446249 | 1985-07-02 | 36 | SVO |
| 74 | 10.6 | 2446619 | 1986-07-07 | 2446592 | 1986-06-10 | 27 | SVO |
| 76 | 10.5 | 2446959 | 1987-06-12 | 2446935 | 1987-05-19 | 24 | SVO |
| 78 | 10.8 | 2447298 | 1988-05-16 | 2447279 | 1988-04-27 | 19 | SVO |
| 80 | 2447645 | 1989-04-28 | 2447622 | 1989-04-05 | 23 | SVO | |
| 81 | 2447805 | 1989-10-05 | 2447794 | 1989-09-24 | 11 | SVO | |
| 82 | 2447980 | 1990-03-29 | 2447965 | 1990-03-14 | 15 | SVO | |
| 83 | 10.7 | 2448143 | 1990-09-08 | 2448137 | 1990-09-02 | 6 | SVO |
| 85 | 10.5 | 2448490 | 1991-08-21 | 2448480 | 1991-08-11 | 10 | SVO |
| 87 | 11.0 | 2448846 | 1992-08-11 | 2448824 | 1992-07-20 | 22 | SVO |
| 89 | 10.8 | 2449184 | 1993-07-15 | 2449167 | 1993-06-28 | 17 | SVO |
| 91 | 10.6 | 2449537 | 1994-07-03 | 2449510 | 1994-06-06 | 27 | SVO |
| 93 | 10.6 | 2449866 | 1995-05-28 | 2449853 | 1995-05-15 | 13 | SVO |
| 94 | 2450040 | 1995-11-18 | 2450025 | 1995-11-03 | 15 | SVO | |
| 95 | 11.1 | 2450209 | 1996-05-05 | 2450197 | 1996-04-23 | 12 | SVO |
| 96 | 2450390 | 1996-11-02 | 2450368 | 1996-10-11 | 22 | AFOEV | |
| 97 | 2450556 | 1997-04-17 | 2450540 | 1997-04-01 | 16 | AFOEV | |
| 98 | 10.7 | 2450729 | 1997-10-07 | 2450712 | 1997-09-20 | 17 | SVO |
| 99 | 2450894 | 1998-03-21 | 2450883 | 1998-03-10 | 11 | AFOEV | |
| 100 | 11.3 | 2451073 | 1998-09-16 | 2451055 | 1998-08-29 | 18 | SVO |
| 101 | 2451240 | 1999-03-02 | 2451227 | 1999-02-17 | 13 | SVO | |
| 102 | 11.4 | 2451412 | 1999-08-21 | 2451398 | 1999-08-07 | 14 | SVO |
| 103 | 2451585 | 2000-02-10 | 2451570 | 2000-01-26 | 15 | AFOEV | |
| 104 | 11.0 | 2451755 | 2000-07-29 | 2451742 | 2000-07-16 | 13 | SVO |
| 106 | 10.5 | 2452088 | 2001-06-27 | 2452085 | 2001-06-24 | 3 | SVO |
| 107 | 2452263 | 2001-12-19 | 2452256 | 2001-12-12 | 7 | AFOEV | |
| 108 | 2452438 | 2002-06-12 | 2452428 | 2002-06-02 | 10 | AFOEV | |
| 109 | 2452606 | 2002-11-27 | 2452600 | 2002-11-21 | 6 | AFOEV | |
| 110 | 10.9 | 2452777 | 2003-05-17 | 2452771 | 2003-05-11 | 6 | SVO |
| 111 | 10.9 | 2452940 | 2003-10-27 | 2452943 | 2003-10-30 | -3 | SVO |
| 112 | 2453122 | 2004-04-26 | 2453115 | 2004-04-19 | 7 | AFOEV | |
| 113 | 11.3 | 2453296 | 2004-10-17 | 2453286 | 2004-10-07 | 10 | SVO |
| 114 | 2453463 | 2005-04-02 | 2453458 | 2005-03-28 | 5 | AFOEV | |
| 115 | 10.9 | 2453630 | 2005-09-16 | 2453630 | 2005-09-16 | 0 | SVO |
| 117 | 11.0 | 2453968 | 2006-08-20 | 2453973 | 2006-08-25 | -5 | SVO |
| 119 | 10.9 | 2454306 | 2007-07-24 | 2454316 | 2007-08-03 | -10 | SVO |
| 121 | 10.7 | 2454645 | 2008-06-27 | 2454660 | 2008-07-12 | -15 | SVO |
| 123 | 11.0 | 2454985 | 2009-06-02 | 2455003 | 2009-06-20 | -18 | SVO |
| 124 | 2455150 | 2009-11-14 | 2455174 | 2009-12-08 | -24 | SVO | |
| 125 | 11.4 | 2455329 | 2010-05-12 | 2455346 | 2010-05-29 | -17 | SVO |
| 126 | 11.2 | 2455502 | 2010-11-01 | 2455518 | 2010-11-17 | -16 | SVO |
| 127 | 2455675 | 2011-04-23 | 2455689 | 2011-05-07 | -14 | SVO | |
| 128 | 11.0 | 2455829 | 2011-09-24 | 2455861 | 2011-10-26 | -32 | SVO |
| 130 | 11.0 | 2456180 | 2012-09-09 | 2456204 | 2012-10-03 | -24 | SVO |
| 131 | 2456350 | 2013-02-26 | 2456376 | 2013-03-24 | -26 | SVO | |
| 132 | 10.8 | 2456513 | 2013-08-08 | 2456548 | 2013-09-12 | -35 | SVO |
| 133 | 2456695 | 2014-02-06 | 2456719 | 2014-03-02 | -24 | SVO | |
| 134 | 11.1 | 2456860 | 2014-07-21 | 2456891 | 2014-08-21 | -31 | SVO |
| 135 | 2457030 | 2015-01-07 | 2457063 | 2015-02-09 | -33 | SVO | |
| 136 | 11.1 | 2457204 | 2015-06-30 | 2457234 | 2015-07-30 | -30 | SVO |
| 137 | 11.0 | 2457376 | 2015-12-19 | 2457406 | 2016-01-18 | -30 | SVO |
| 138 | 11.0 | 2457551 | 2016-06-11 | 2457578 | 2016-07-08 | -27 | SVO |
| 140 | 10.9 | 2457889 | 2017-05-15 | 2457921 | 2017-06-16 | -32 | SVO |
| 141 | 2458060 | 2017-11-02 | 2458092 | 2017-12-04 | -32 | SVO | |
| 142 | 11.7 | 2458236 | 2018-04-27 | 2458264 | 2018-05-25 | -28 | SVO |
| 143 | 11.2 | 2458411 | 2018-10-19 | 2458436 | 2018-11-13 | -25 | SVO |
| 144 | 10.9 | 2458581 | 2019-04-07 | 2458607 | 2019-05-03 | -26 | SVO |
| 145 | 11.1 | 2458755 | 2019-09-28 | 2458779 | 2019-10-22 | -24 | SVO |
| 146 | 10.9 | 2458921 | 2020-03-12 | 2458951 | 2020-04-11 | -30 | SVO |
| 147 | 11.1 | 2459094 | 2020-09-01 | 2459122 | 2020-09-29 | -28 | SVO |
| 148 | 11.5 | 2459272 | 2021-02-26 | 2459294 | 2021-03-20 | -22 | SVO |
| 149 | 11.3 | 2459446 | 2021-08-19 | 2459466 | 2021-09-08 | -20 | SVO |
| 150 | 2459610 | 2022-01-30 | 2459637 | 2022-02-26 | -27 | SVO | |
| 151 | 11.1 | 2459779 | 2022-07-18 | 2459809 | 2022-08-17 | -30 | 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. |