| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| 0 | 9.8 | 2425744 | 1929-05-12 | 2425773 | 1929-06-10 | -29 | SVO |
| 1 | 2426210 | 1930-08-21 | 2426204 | 1930-08-15 | 6 | SVO | |
| 2 | 2426625 | 1931-10-10 | 2426635 | 1931-10-20 | -10 | SVO | |
| 5 | 2427940 | 1935-05-17 | 2427928 | 1935-05-05 | 12 | SVO | |
| 7 | 2428790 | 1937-09-13 | 2428790 | 1937-09-13 | 0 | SVO | |
| 8 | 2429215 | 1938-11-12 | 2429221 | 1938-11-18 | -6 | SVO | |
| 13 | 2431330 | 1944-08-27 | 2431376 | 1944-10-12 | -46 | SVO | |
| 18 | 2433450 | 1950-06-17 | 2433531 | 1950-09-06 | -81 | SVO | |
| 19 | 2433900 | 1951-09-10 | 2433963 | 1951-11-12 | -63 | SVO | |
| 40 | 2443040 | 1976-09-18 | 2443014 | 1976-08-23 | 26 | SVO | |
| 41 | 2443480 | 1977-12-02 | 2443445 | 1977-10-28 | 35 | SVO | |
| 44 | 2444770 | 1981-06-14 | 2444739 | 1981-05-14 | 31 | SVO | |
| 45 | 2445215 | 1982-09-02 | 2445170 | 1982-07-19 | 45 | SVO | |
| 46 | 2445630 | 1983-10-22 | 2445601 | 1983-09-23 | 29 | SVO | |
| 47 | 2446050 | 1984-12-15 | 2446032 | 1984-11-27 | 18 | SVO | |
| 48 | 2446490 | 1986-02-28 | 2446463 | 1986-02-01 | 27 | SVO | |
| 49 | 10.3 | 2446933 | 1987-05-17 | 2446894 | 1987-04-08 | 39 | SVO |
| 50 | 10.2 | 2447343 | 1988-06-30 | 2447325 | 1988-06-12 | 18 | SVO |
| 51 | 9.7 | 2447775 | 1989-09-05 | 2447756 | 1989-08-17 | 19 | SVO |
| 52 | 10.5 | 2448204 | 1990-11-08 | 2448187 | 1990-10-22 | 17 | SVO |
| 53 | 10.7 | 2448627 | 1992-01-05 | 2448618 | 1991-12-27 | 9 | SVO |
| 54 | 10.6 | 2449075 | 1993-03-28 | 2449049 | 1993-03-02 | 26 | SVO |
| 55 | 10.3 | 2449502 | 1994-05-29 | 2449480 | 1994-05-07 | 22 | SVO |
| 56 | 10.1 | 2449938 | 1995-08-08 | 2449911 | 1995-07-12 | 27 | SVO |
| 57 | 9.5 | 2450363 | 1996-10-06 | 2450342 | 1996-09-15 | 21 | SVO |
| 58 | 10.2 | 2450790 | 1997-12-07 | 2450773 | 1997-11-20 | 17 | SVO |
| 59 | 10.1 | 2451238 | 1999-02-28 | 2451204 | 1999-01-25 | 34 | SVO |
| 60 | 9.7 | 2451684 | 2000-05-19 | 2451635 | 2000-03-31 | 49 | SVO |
| 61 | 9.6 | 2452106 | 2001-07-15 | 2452066 | 2001-06-05 | 40 | SVO |
| 62 | 9.9 | 2452535 | 2002-09-17 | 2452497 | 2002-08-10 | 38 | SVO |
| 63 | 9.5 | 2452922 | 2003-10-09 | 2452928 | 2003-10-15 | -6 | SVO |
| 64 | 9.8 | 2453357 | 2004-12-17 | 2453359 | 2004-12-19 | -2 | SVO |
| 65 | 10.0 | 2453791 | 2006-02-24 | 2453790 | 2006-02-23 | 1 | SVO |
| 66 | 10.1 | 2454209 | 2007-04-18 | 2454221 | 2007-04-30 | -12 | SVO |
| 67 | 9.7 | 2454650 | 2008-07-02 | 2454653 | 2008-07-05 | -3 | SVO |
| 68 | 9.8 | 2455051 | 2009-08-07 | 2455084 | 2009-09-09 | -33 | SVO |
| 69 | 9.6 | 2455499 | 2010-10-29 | 2455515 | 2010-11-14 | -16 | SVO |
| 70 | 9.6 | 2455946 | 2012-01-19 | 2455946 | 2012-01-19 | 0 | SVO |
| 71 | 9.5 | 2456356 | 2013-03-04 | 2456377 | 2013-03-25 | -21 | SVO |
| 72 | 9.8 | 2456780 | 2014-05-02 | 2456808 | 2014-05-30 | -28 | SVO |
| 73 | 9.3 | 2457211 | 2015-07-07 | 2457239 | 2015-08-04 | -28 | SVO |
| 74 | 9.4 | 2457626 | 2016-08-25 | 2457670 | 2016-10-08 | -44 | SVO |
| 75 | 9.5 | 2458053 | 2017-10-26 | 2458101 | 2017-12-13 | -48 | SVO |
| 76 | 9.3 | 2458480 | 2018-12-27 | 2458532 | 2019-02-17 | -52 | SVO |
| 77 | 9.1 | 2458930 | 2020-03-21 | 2458963 | 2020-04-23 | -33 | SVO |
| 78 | 9.5 | 2459370 | 2021-06-04 | 2459394 | 2021-06-28 | -24 | SVO |
| 79 | 9.5 | 2459802 | 2022-08-10 | 2459825 | 2022-09-02 | -23 | 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. |