| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -6 | 2438293 | 1963-09-20 | 2438289 | 1963-09-16 | 4 | MmSAI, 1972, vol 43, p 319 | |
| -5 | 12.8 | 2438705 | 1964-11-05 | 2438709 | 1964-11-09 | -4 | SVO |
| -4 | 12.9 | 2439119 | 1965-12-24 | 2439130 | 1966-01-04 | -11 | SVO |
| -2 | 2439972 | 1968-04-25 | 2439970 | 1968-04-23 | 2 | JRASC, 1969, vol 63, p 173 | |
| -1 | 13.2 | 2440384 | 1969-06-11 | 2440390 | 1969-06-17 | -6 | SVO |
| 0 | 11.6 | 2440803 | 1970-08-04 | 2440810 | 1970-08-11 | -7 | SVO |
| 2 | 13.0 | 2441643 | 1972-11-21 | 2441651 | 1972-11-29 | -8 | SVO |
| 3 | 12.5 | 2442082 | 1974-02-03 | 2442071 | 1974-01-23 | 11 | SVO |
| 4 | 2442490 | 1975-03-18 | 2442491 | 1975-03-19 | -1 | SVO | |
| 5 | 2442900 | 1976-05-01 | 2442912 | 1976-05-13 | -12 | SVO | |
| 12 | 2445820 | 1984-04-29 | 2445853 | 1984-06-01 | -33 | SVO | |
| 19 | 12.8 | 2448804 | 1992-06-30 | 2448795 | 1992-06-21 | 9 | SVO |
| 22 | 12.5 | 2450062 | 1995-12-10 | 2450056 | 1995-12-04 | 6 | SVO |
| 23 | 14.2 | 2450480 | 1997-01-31 | 2450476 | 1997-01-27 | 4 | SVO |
| 24 | 13.7 | 2450922 | 1998-04-18 | 2450896 | 1998-03-23 | 26 | SVO |
| 25 | 13.8 | 2451333 | 1999-06-03 | 2451317 | 1999-05-18 | 16 | SVO |
| 26 | 14.5 | 2451762 | 2000-08-05 | 2451737 | 2000-07-11 | 25 | SVO |
| 27 | 13.5 | 2452173 | 2001-09-20 | 2452157 | 2001-09-04 | 16 | SVO |
| 28 | 13.8 | 2452589 | 2002-11-10 | 2452577 | 2002-10-29 | 12 | SVO |
| 29 | 13.8 | 2452999 | 2003-12-25 | 2452998 | 2003-12-24 | 1 | SVO |
| 30 | 13.7 | 2453419 | 2005-02-17 | 2453418 | 2005-02-16 | 1 | SVO |
| 31 | 2453830 | 2006-04-04 | 2453838 | 2006-04-12 | -8 | SVO | |
| 32 | 14.2 | 2454254 | 2007-06-02 | 2454258 | 2007-06-06 | -4 | SVO |
| 33 | 14.4 | 2454686 | 2008-08-07 | 2454679 | 2008-07-31 | 7 | SVO |
| 34 | 14.0 | 2455100 | 2009-09-25 | 2455099 | 2009-09-24 | 1 | SVO |
| 35 | 13.7 | 2455529 | 2010-11-28 | 2455519 | 2010-11-18 | 10 | SVO |
| 36 | 14.0 | 2455947 | 2012-01-20 | 2455939 | 2012-01-12 | 8 | SVO |
| 37 | 14.5 | 2456369 | 2013-03-17 | 2456360 | 2013-03-08 | 9 | SVO |
| 38 | 13.6 | 2456782 | 2014-05-04 | 2456780 | 2014-05-02 | 2 | SVO |
| 39 | 13.7 | 2457211 | 2015-07-07 | 2457200 | 2015-06-26 | 11 | SVO |
| 40 | 14.3 | 2457624 | 2016-08-23 | 2457620 | 2016-08-19 | 4 | SVO |
| 41 | 13.6 | 2458040 | 2017-10-13 | 2458041 | 2017-10-14 | -1 | SVO |
| 42 | 2458452 | 2018-11-29 | 2458461 | 2018-12-08 | -9 | SVO | |
| 44 | 13.9 | 2459284 | 2021-03-10 | 2459301 | 2021-03-27 | -17 | SVO |
| 45 | 13.8 | 2459694 | 2022-04-24 | 2459722 | 2022-05-22 | -28 | SVO |
| 46 | 14.2 | 2460107 | 2023-06-11 | 2460142 | 2023-07-16 | -35 | 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. |