| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| 0 | 9.8 | 2425744 | 1929-05-12 | 2425758 | 1929-05-26 | -14 | SVO |
| 1 | 2426210 | 1930-08-21 | 2426188 | 1930-07-30 | 22 | SVO | |
| 2 | 2426625 | 1931-10-10 | 2426618 | 1931-10-03 | 7 | SVO | |
| 5 | 2427940 | 1935-05-17 | 2427908 | 1935-04-15 | 32 | SVO | |
| 7 | 2428790 | 1937-09-13 | 2428768 | 1937-08-22 | 22 | SVO | |
| 8 | 2429215 | 1938-11-12 | 2429198 | 1938-10-26 | 17 | SVO | |
| 13 | 2431330 | 1944-08-27 | 2431348 | 1944-09-14 | -18 | SVO | |
| 18 | 2433450 | 1950-06-17 | 2433498 | 1950-08-04 | -48 | SVO | |
| 19 | 2433900 | 1951-09-10 | 2433928 | 1951-10-08 | -28 | SVO | |
| 40 | 2443040 | 1976-09-18 | 2442958 | 1976-06-28 | 82 | SVO | |
| 41 | 2443480 | 1977-12-02 | 2443388 | 1977-09-01 | 92 | SVO | |
| 44 | 2444770 | 1981-06-14 | 2444678 | 1981-03-14 | 92 | SVO | |
| 45 | 2445215 | 1982-09-02 | 2445108 | 1982-05-18 | 107 | SVO | |
| 46 | 2445630 | 1983-10-22 | 2445538 | 1983-07-22 | 92 | SVO | |
| 47 | 2446050 | 1984-12-15 | 2445968 | 1984-09-24 | 82 | SVO | |
| 48 | 2446490 | 1986-02-28 | 2446398 | 1985-11-28 | 92 | SVO | |
| 49 | 10.3 | 2446933 | 1987-05-17 | 2446828 | 1987-02-01 | 105 | SVO |
| 50 | 10.2 | 2447343 | 1988-06-30 | 2447258 | 1988-04-06 | 85 | SVO |
| 51 | 9.7 | 2447775 | 1989-09-05 | 2447688 | 1989-06-10 | 87 | SVO |
| 52 | 10.5 | 2448204 | 1990-11-08 | 2448118 | 1990-08-14 | 86 | SVO |
| 53 | 10.7 | 2448627 | 1992-01-05 | 2448548 | 1991-10-18 | 79 | SVO |
| 54 | 10.6 | 2449075 | 1993-03-28 | 2448978 | 1992-12-21 | 97 | SVO |
| 55 | 10.3 | 2449502 | 1994-05-29 | 2449408 | 1994-02-24 | 94 | SVO |
| 56 | 10.1 | 2449938 | 1995-08-08 | 2449838 | 1995-04-30 | 100 | SVO |
| 57 | 9.5 | 2450363 | 1996-10-06 | 2450268 | 1996-07-03 | 95 | SVO |
| 58 | 10.2 | 2450790 | 1997-12-07 | 2450698 | 1997-09-06 | 92 | SVO |
| 59 | 10.1 | 2451238 | 1999-02-28 | 2451128 | 1998-11-10 | 110 | SVO |
| 60 | 9.7 | 2451684 | 2000-05-19 | 2451558 | 2000-01-14 | 126 | SVO |
| 61 | 9.6 | 2452106 | 2001-07-15 | 2451988 | 2001-03-19 | 118 | SVO |
| 62 | 9.9 | 2452535 | 2002-09-17 | 2452418 | 2002-05-23 | 117 | SVO |
| 63 | 9.5 | 2452922 | 2003-10-09 | 2452848 | 2003-07-27 | 74 | SVO |
| 64 | 9.8 | 2453357 | 2004-12-17 | 2453278 | 2004-09-29 | 79 | SVO |
| 65 | 10.0 | 2453791 | 2006-02-24 | 2453708 | 2005-12-03 | 83 | SVO |
| 66 | 10.1 | 2454209 | 2007-04-18 | 2454138 | 2007-02-06 | 71 | SVO |
| 67 | 9.7 | 2454650 | 2008-07-02 | 2454568 | 2008-04-11 | 82 | SVO |
| 68 | 9.8 | 2455051 | 2009-08-07 | 2454998 | 2009-06-15 | 53 | SVO |
| 69 | 9.6 | 2455499 | 2010-10-29 | 2455428 | 2010-08-19 | 71 | SVO |
| 70 | 9.6 | 2455946 | 2012-01-19 | 2455858 | 2011-10-23 | 88 | SVO |
| 71 | 9.5 | 2456356 | 2013-03-04 | 2456288 | 2012-12-26 | 68 | SVO |
| 72 | 9.8 | 2456780 | 2014-05-02 | 2456718 | 2014-03-01 | 62 | SVO |
| 73 | 9.3 | 2457211 | 2015-07-07 | 2457148 | 2015-05-05 | 63 | SVO |
| 74 | 9.4 | 2457626 | 2016-08-25 | 2457578 | 2016-07-08 | 48 | SVO |
| 75 | 9.5 | 2458053 | 2017-10-26 | 2458008 | 2017-09-11 | 45 | SVO |
| 76 | 9.3 | 2458480 | 2018-12-27 | 2458438 | 2018-11-15 | 42 | SVO |
| 77 | 9.1 | 2458930 | 2020-03-21 | 2458868 | 2020-01-19 | 62 | SVO |
| 78 | 9.5 | 2459370 | 2021-06-04 | 2459298 | 2021-03-24 | 72 | SVO |
| 79 | 9.5 | 2459802 | 2022-08-10 | 2459728 | 2022-05-28 | 74 | 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. |