| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -50 | 2425871 | 1929-09-16 | 2425897 | 1929-10-12 | -26 | AN, 1939, vol 268, p 71 | |
| -47 | 2426651 | 1931-11-05 | 2426678 | 1931-12-02 | -27 | AN, 1939, vol 268, p 71 | |
| -46 | 2426927 | 1932-08-07 | 2426938 | 1932-08-18 | -11 | AN, 1939, vol 268, p 71 | |
| -39 | 2428751 | 1937-08-05 | 2428760 | 1937-08-14 | -9 | AN, 1939, vol 268, p 71 | |
| -32 | 2430583 | 1942-08-11 | 2430581 | 1942-08-09 | 2 | MitVS, 1942, vol 1, p 9 | |
| -29 | 2431360 | 1944-09-26 | 2431362 | 1944-09-28 | -2 | AnHar, 1952, vol 115 | |
| -1 | 2438639 | 1964-08-31 | 2438649 | 1964-09-10 | -10 | MitVS, 1966, vol 3, p 205 | |
| 0 | 2438902 | 1965-05-21 | 2438909 | 1965-05-28 | -7 | MitVS, 1966, vol 3, p 205 | |
| 3 | 2439705 | 1967-08-02 | 2439690 | 1967-07-18 | 15 | SVO | |
| 4 | 2439964 | 1968-04-17 | 2439950 | 1968-04-03 | 14 | SVO | |
| 6 | 11.0 | 2440488 | 1969-09-23 | 2440471 | 1969-09-06 | 17 | SVO |
| 7 | 2440740 | 1970-06-02 | 2440731 | 1970-05-24 | 9 | SVO | |
| 10 | 2441520 | 1972-07-21 | 2441511 | 1972-07-12 | 9 | SVO | |
| 13 | 10.8 | 2442300 | 1974-09-09 | 2442292 | 1974-09-01 | 8 | SVO |
| 14 | 2442545 | 1975-05-12 | 2442552 | 1975-05-19 | -7 | SVO | |
| 16 | 10.8 | 2443067 | 1976-10-15 | 2443073 | 1976-10-21 | -6 | SVO |
| 17 | 2443340 | 1977-07-15 | 2443333 | 1977-07-08 | 7 | SVO | |
| 19 | 2443860 | 1978-12-17 | 2443854 | 1978-12-11 | 6 | SVO | |
| 20 | 10.8 | 2444110 | 1979-08-24 | 2444114 | 1979-08-28 | -4 | SVO |
| 21 | 2444375 | 1980-05-15 | 2444374 | 1980-05-14 | 1 | SVO | |
| 23 | 2444895 | 1981-10-17 | 2444895 | 1981-10-17 | 0 | SVO | |
| 24 | 2445160 | 1982-07-09 | 2445155 | 1982-07-04 | 5 | SVO | |
| 26 | 2445680 | 1983-12-11 | 2445675 | 1983-12-06 | 5 | SVO | |
| 27 | 10.6 | 2445946 | 1984-09-02 | 2445936 | 1984-08-23 | 10 | SVO |
| 28 | 2446200 | 1985-05-14 | 2446196 | 1985-05-10 | 4 | SVO | |
| 29 | 2446477 | 1986-02-15 | 2446456 | 1986-01-25 | 21 | AFOEV | |
| 30 | 2446730 | 1986-10-26 | 2446716 | 1986-10-12 | 14 | SVO | |
| 31 | 10.9 | 2446983 | 1987-07-06 | 2446976 | 1987-06-29 | 7 | SVO |
| 32 | 2447240 | 1988-03-19 | 2447237 | 1988-03-16 | 3 | SVO | |
| 33 | 2447500 | 1988-12-04 | 2447497 | 1988-12-01 | 3 | SVO | |
| 34 | 10.5 | 2447754 | 1989-08-15 | 2447757 | 1989-08-18 | -3 | SVO |
| 35 | 11.2 | 2448021 | 1990-05-09 | 2448017 | 1990-05-05 | 4 | SVO |
| 36 | 2448275 | 1991-01-18 | 2448278 | 1991-01-21 | -3 | SVO | |
| 37 | 2448535 | 1991-10-05 | 2448538 | 1991-10-08 | -3 | SVO | |
| 38 | 10.7 | 2448800 | 1992-06-26 | 2448798 | 1992-06-24 | 2 | SVO |
| 39 | 2449050 | 1993-03-03 | 2449058 | 1993-03-11 | -8 | SVO | |
| 40 | 10.8 | 2449318 | 1993-11-26 | 2449319 | 1993-11-27 | -1 | SVO |
| 41 | 10.6 | 2449579 | 1994-08-14 | 2449579 | 1994-08-14 | 0 | SVO |
| 42 | 10.8 | 2449832 | 1995-04-24 | 2449839 | 1995-05-01 | -7 | SVO |
| 43 | 11.1 | 2450094 | 1996-01-11 | 2450099 | 1996-01-16 | -5 | SVO |
| 44 | 10.8 | 2450359 | 1996-10-02 | 2450360 | 1996-10-03 | -1 | SVO |
| 45 | 10.4 | 2450616 | 1997-06-16 | 2450620 | 1997-06-20 | -4 | SVO |
| 46 | 10.8 | 2450886 | 1998-03-13 | 2450880 | 1998-03-07 | 6 | SVO |
| 47 | 10.9 | 2451152 | 1998-12-04 | 2451140 | 1998-11-22 | 12 | SVO |
| 48 | 10.9 | 2451415 | 1999-08-24 | 2451401 | 1999-08-10 | 14 | SVO |
| 49 | 10.7 | 2451674 | 2000-05-09 | 2451661 | 2000-04-26 | 13 | SVO |
| 50 | 2451940 | 2001-01-30 | 2451921 | 2001-01-11 | 19 | SVO | |
| 51 | 10.5 | 2452196 | 2001-10-13 | 2452181 | 2001-09-28 | 15 | SVO |
| 52 | 10.9 | 2452460 | 2002-07-04 | 2452442 | 2002-06-16 | 18 | SVO |
| 53 | 2452705 | 2003-03-06 | 2452702 | 2003-03-03 | 3 | SVO | |
| 54 | 10.4 | 2452964 | 2003-11-20 | 2452962 | 2003-11-18 | 2 | SVO |
| 55 | 10.8 | 2453227 | 2004-08-09 | 2453222 | 2004-08-04 | 5 | SVO |
| 56 | 11.1 | 2453496 | 2005-05-05 | 2453482 | 2005-04-21 | 14 | SVO |
| 57 | 11.0 | 2453757 | 2006-01-21 | 2453743 | 2006-01-07 | 14 | SVO |
| 58 | 10.8 | 2454018 | 2006-10-09 | 2454003 | 2006-09-24 | 15 | SVO |
| 59 | 11.0 | 2454290 | 2007-07-08 | 2454263 | 2007-06-11 | 27 | SVO |
| 60 | 2454540 | 2008-03-14 | 2454523 | 2008-02-26 | 17 | SVO | |
| 61 | 2454790 | 2008-11-19 | 2454784 | 2008-11-13 | 6 | SVO | |
| 62 | 10.8 | 2455041 | 2009-07-28 | 2455044 | 2009-07-31 | -3 | SVO |
| 63 | 2455285 | 2010-03-29 | 2455304 | 2010-04-17 | -19 | SVO | |
| 64 | 10.8 | 2455557 | 2010-12-26 | 2455564 | 2011-01-02 | -7 | SVO |
| 65 | 10.7 | 2455808 | 2011-09-03 | 2455825 | 2011-09-20 | -17 | SVO |
| 66 | 11.2 | 2456070 | 2012-05-22 | 2456085 | 2012-06-06 | -15 | SVO |
| 67 | 2456325 | 2013-02-01 | 2456345 | 2013-02-21 | -20 | SVO | |
| 68 | 10.9 | 2456588 | 2013-10-22 | 2456605 | 2013-11-08 | -17 | SVO |
| 69 | 11.1 | 2456855 | 2014-07-16 | 2456866 | 2014-07-27 | -11 | SVO |
| 70 | 2457110 | 2015-03-28 | 2457126 | 2015-04-13 | -16 | SVO | |
| 71 | 10.8 | 2457373 | 2015-12-16 | 2457386 | 2015-12-29 | -13 | SVO |
| 72 | 10.8 | 2457629 | 2016-08-28 | 2457646 | 2016-09-14 | -17 | SVO |
| 73 | 10.9 | 2457893 | 2017-05-19 | 2457907 | 2017-06-02 | -14 | SVO |
| 74 | 10.8 | 2458156 | 2018-02-06 | 2458167 | 2018-02-17 | -11 | SVO |
| 75 | 10.8 | 2458411 | 2018-10-19 | 2458427 | 2018-11-04 | -16 | SVO |
| 76 | 11.2 | 2458682 | 2019-07-17 | 2458687 | 2019-07-22 | -5 | SVO |
| 77 | 10.6 | 2458938 | 2020-03-29 | 2458947 | 2020-04-07 | -9 | SVO |
| 78 | 10.8 | 2459196 | 2020-12-12 | 2459208 | 2020-12-24 | -12 | SVO |
| 79 | 10.7 | 2459464 | 2021-09-06 | 2459468 | 2021-09-10 | -4 | SVO |
| 80 | 11.1 | 2459731 | 2022-05-31 | 2459728 | 2022-05-28 | 3 | 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. |