| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -3 | 2438300 | 1963-09-27 | 2438372 | 1963-12-08 | -72 | IBVS, 1970, N 417 | |
| -2 | 2438820 | 1965-02-28 | 2438806 | 1965-02-14 | 14 | IBVS, 1970, N 417 | |
| -1 | 2439238 | 1966-04-22 | 2439241 | 1966-04-25 | -3 | IBVS, 1970, N 417 | |
| 0 | 2439643 | 1967-06-01 | 2439675 | 1967-07-03 | -32 | IBVS, 1970, N 417 | |
| 1 | 2440080 | 1968-08-11 | 2440110 | 1968-09-10 | -30 | IBVS, 1970, N 417 | |
| 3 | 2440975 | 1971-01-23 | 2440979 | 1971-01-27 | -4 | SVO | |
| 4 | 9.8 | 2441384 | 1972-03-07 | 2441413 | 1972-04-05 | -29 | SVO |
| 5 | 9.8 | 2441823 | 1973-05-20 | 2441848 | 1973-06-14 | -25 | SVO |
| 6 | 10.0 | 2442253 | 1974-07-24 | 2442282 | 1974-08-22 | -29 | SVO |
| 8 | 10.0 | 2443118 | 1976-12-05 | 2443151 | 1977-01-07 | -33 | SVO |
| 9 | 9.9 | 2443558 | 1978-02-18 | 2443586 | 1978-03-18 | -28 | SVO |
| 10 | 10.0 | 2443982 | 1979-04-18 | 2444020 | 1979-05-26 | -38 | SVO |
| 11 | 10.0 | 2444431 | 1980-07-10 | 2444455 | 1980-08-03 | -24 | SVO |
| 13 | 9.9 | 2445319 | 1982-12-15 | 2445324 | 1982-12-20 | -5 | SVO |
| 14 | 9.9 | 2445744 | 1984-02-13 | 2445758 | 1984-02-27 | -14 | SVO |
| 15 | 9.8 | 2446201 | 1985-05-15 | 2446193 | 1985-05-07 | 8 | SVO |
| 16 | 10.0 | 2446647 | 1986-08-04 | 2446627 | 1986-07-15 | 20 | SVO |
| 18 | 10.5 | 2447539 | 1989-01-12 | 2447496 | 1988-11-30 | 43 | SVO |
| 19 | 10.9 | 2447978 | 1990-03-27 | 2447931 | 1990-02-08 | 47 | SVO |
| 20 | 11.1 | 2448416 | 1991-06-08 | 2448365 | 1991-04-18 | 51 | SVO |
| 21 | 2448861 | 1992-08-26 | 2448800 | 1992-06-26 | 61 | AFOEV | |
| 23 | 2449730 | 1995-01-12 | 2449669 | 1994-11-12 | 61 | SVO | |
| 24 | 10.8 | 2450164 | 1996-03-21 | 2450103 | 1996-01-20 | 61 | SVO |
| 25 | 10.9 | 2450620 | 1997-06-20 | 2450537 | 1997-03-29 | 83 | SVO |
| 26 | 10.3 | 2451034 | 1998-08-08 | 2450972 | 1998-06-07 | 62 | SVO |
| 27 | 2451450 | 1999-09-28 | 2451406 | 1999-08-15 | 44 | SVO | |
| 28 | 10.6 | 2451877 | 2000-11-28 | 2451841 | 2000-10-23 | 36 | SVO |
| 29 | 10.5 | 2452328 | 2002-02-22 | 2452275 | 2001-12-31 | 53 | SVO |
| 30 | 10.3 | 2452758 | 2003-04-28 | 2452710 | 2003-03-11 | 48 | SVO |
| 31 | 10.2 | 2453184 | 2004-06-27 | 2453144 | 2004-05-18 | 40 | SVO |
| 32 | 10.1 | 2453608 | 2005-08-25 | 2453579 | 2005-07-27 | 29 | SVO |
| 33 | 2454022 | 2006-10-13 | 2454013 | 2006-10-04 | 9 | AFOEV | |
| 34 | 9.9 | 2454459 | 2007-12-24 | 2454448 | 2007-12-13 | 11 | SVO |
| 35 | 10.3 | 2454889 | 2009-02-26 | 2454882 | 2009-02-19 | 7 | SVO |
| 36 | 9.9 | 2455304 | 2010-04-17 | 2455317 | 2010-04-30 | -13 | SVO |
| 37 | 10.0 | 2455749 | 2011-07-06 | 2455751 | 2011-07-08 | -2 | SVO |
| 38 | 9.8 | 2456152 | 2012-08-12 | 2456186 | 2012-09-15 | -34 | SVO |
| 39 | 2456570 | 2013-10-04 | 2456620 | 2013-11-23 | -50 | SVO | |
| 40 | 9.4 | 2457000 | 2014-12-08 | 2457055 | 2015-02-01 | -55 | SVO |
| 41 | 9.9 | 2457444 | 2016-02-25 | 2457489 | 2016-04-10 | -45 | SVO |
| 42 | 9.8 | 2457870 | 2017-04-26 | 2457924 | 2017-06-19 | -54 | SVO |
| 43 | 9.9 | 2458305 | 2018-07-05 | 2458358 | 2018-08-27 | -53 | SVO |
| 44 | 9.6 | 2458749 | 2019-09-22 | 2458793 | 2019-11-05 | -44 | SVO |
| 45 | 2459190 | 2020-12-06 | 2459227 | 2021-01-12 | -37 | SVO | |
| 46 | 9.6 | 2459628 | 2022-02-17 | 2459662 | 2022-03-23 | -34 | 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. |