| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -22 | 9.3 | 2435557 | 1956-03-24 | 2435556 | 1956-03-23 | 1 | SVO |
| -21 | 9.6 | 2435788 | 1956-11-10 | 2435792 | 1956-11-14 | -4 | SVO |
| -20 | 9.3 | 2436018 | 1957-06-28 | 2436027 | 1957-07-07 | -9 | SVO |
| -19 | 9.8 | 2436264 | 1958-03-01 | 2436263 | 1958-02-28 | 1 | SVO |
| -18 | 2436510 | 1958-11-02 | 2436499 | 1958-10-22 | 11 | SVO | |
| -17 | 10.1 | 2436748 | 1959-06-28 | 2436735 | 1959-06-15 | 13 | SVO |
| -16 | 9.4 | 2436974 | 1960-02-09 | 2436970 | 1960-02-05 | 4 | SVO |
| -15 | 9.1 | 2437211 | 1960-10-03 | 2437206 | 1960-09-28 | 5 | SVO |
| -14 | 9.2 | 2437448 | 1961-05-28 | 2437442 | 1961-05-22 | 6 | SVO |
| -13 | 9.6 | 2437688 | 1962-01-23 | 2437678 | 1962-01-13 | 10 | SVO |
| -12 | 9.3 | 2437918 | 1962-09-10 | 2437913 | 1962-09-05 | 5 | SVO |
| -11 | 9.7 | 2438156 | 1963-05-06 | 2438149 | 1963-04-29 | 7 | SVO |
| -10 | 9.3 | 2438387 | 1963-12-23 | 2438385 | 1963-12-21 | 2 | SVO |
| -9 | 8.9 | 2438614 | 1964-08-06 | 2438621 | 1964-08-13 | -7 | SVO |
| -8 | 9.9 | 2438858 | 1965-04-07 | 2438857 | 1965-04-06 | 1 | SVO |
| -7 | 9.1 | 2439080 | 1965-11-15 | 2439092 | 1965-11-27 | -12 | SVO |
| -6 | 10.6 | 2439326 | 1966-07-19 | 2439328 | 1966-07-21 | -2 | SVO |
| -5 | 9.3 | 2439557 | 1967-03-07 | 2439564 | 1967-03-14 | -7 | SVO |
| -4 | 9.5 | 2439797 | 1967-11-02 | 2439800 | 1967-11-05 | -3 | SVO |
| -3 | 9.0 | 2440028 | 1968-06-20 | 2440035 | 1968-06-27 | -7 | SVO |
| -2 | 8.7 | 2440269 | 1969-02-16 | 2440271 | 1969-02-18 | -2 | SVO |
| -1 | 9.5 | 2440513 | 1969-10-18 | 2440507 | 1969-10-12 | 6 | SVO |
| 0 | 9.0 | 2440738 | 1970-05-31 | 2440743 | 1970-06-05 | -5 | SVO |
| 1 | 9.2 | 2440973 | 1971-01-21 | 2440978 | 1971-01-26 | -5 | SVO |
| 2 | 9.2 | 2441212 | 1971-09-17 | 2441214 | 1971-09-19 | -2 | SVO |
| 3 | 9.2 | 2441457 | 1972-05-19 | 2441450 | 1972-05-12 | 7 | SVO |
| 4 | 9.0 | 2441682 | 1972-12-30 | 2441686 | 1973-01-03 | -4 | SVO |
| 5 | 2441920 | 1973-08-25 | 2441921 | 1973-08-26 | -1 | SVO | |
| 6 | 9.1 | 2442153 | 1974-04-15 | 2442157 | 1974-04-19 | -4 | SVO |
| 7 | 9.4 | 2442390 | 1974-12-08 | 2442393 | 1974-12-11 | -3 | SVO |
| 8 | 2442620 | 1975-07-26 | 2442629 | 1975-08-04 | -9 | SVO | |
| 9 | 9.5 | 2442870 | 1976-04-01 | 2442864 | 1976-03-26 | 6 | SVO |
| 10 | 9.4 | 2443100 | 1976-11-17 | 2443100 | 1976-11-17 | 0 | SVO |
| 11 | 2443335 | 1977-07-10 | 2443336 | 1977-07-11 | -1 | SVO | |
| 12 | 9.6 | 2443572 | 1978-03-04 | 2443572 | 1978-03-04 | 0 | SVO |
| 13 | 2443810 | 1978-10-28 | 2443807 | 1978-10-25 | 3 | SVO | |
| 14 | 2444045 | 1979-06-20 | 2444043 | 1979-06-18 | 2 | SVO | |
| 15 | 9.2 | 2444284 | 1980-02-14 | 2444279 | 1980-02-09 | 5 | SVO |
| 16 | 2444510 | 1980-09-27 | 2444515 | 1980-10-02 | -5 | SVO | |
| 17 | 9.2 | 2444744 | 1981-05-19 | 2444750 | 1981-05-25 | -6 | SVO |
| 18 | 9.3 | 2444989 | 1982-01-19 | 2444986 | 1982-01-16 | 3 | SVO |
| 19 | 2445230 | 1982-09-17 | 2445222 | 1982-09-09 | 8 | SVO | |
| 20 | 9.1 | 2445456 | 1983-05-01 | 2445458 | 1983-05-03 | -2 | SVO |
| 21 | 9.8 | 2445699 | 1983-12-30 | 2445693 | 1983-12-24 | 6 | SVO |
| 22 | 2445930 | 1984-08-17 | 2445929 | 1984-08-16 | 1 | SVO | |
| 23 | 9.9 | 2446169 | 1985-04-13 | 2446165 | 1985-04-09 | 4 | SVO |
| 24 | 9.0 | 2446401 | 1985-12-01 | 2446401 | 1985-12-01 | 0 | SVO |
| 25 | 2446650 | 1986-08-07 | 2446636 | 1986-07-24 | 14 | SVO | |
| 26 | 9.8 | 2446881 | 1987-03-26 | 2446872 | 1987-03-17 | 9 | SVO |
| 27 | 9.4 | 2447108 | 1987-11-08 | 2447108 | 1987-11-08 | 0 | SVO |
| 28 | 9.5 | 2447351 | 1988-07-08 | 2447344 | 1988-07-01 | 7 | SVO |
| 29 | 2447600 | 1989-03-14 | 2447580 | 1989-02-22 | 20 | SVO | |
| 30 | 9.4 | 2447825 | 1989-10-25 | 2447815 | 1989-10-15 | 10 | SVO |
| 31 | 9.0 | 2448066 | 1990-06-23 | 2448051 | 1990-06-08 | 15 | SVO |
| 32 | 9.3 | 2448295 | 1991-02-07 | 2448287 | 1991-01-30 | 8 | SVO |
| 33 | 8.8 | 2448520 | 1991-09-20 | 2448523 | 1991-09-23 | -3 | SVO |
| 34 | 9.4 | 2448754 | 1992-05-11 | 2448758 | 1992-05-15 | -4 | SVO |
| 35 | 9.5 | 2448996 | 1993-01-08 | 2448994 | 1993-01-06 | 2 | SVO |
| 36 | 9.5 | 2449226 | 1993-08-26 | 2449230 | 1993-08-30 | -4 | SVO |
| 37 | 9.6 | 2449469 | 1994-04-26 | 2449466 | 1994-04-23 | 3 | SVO |
| 38 | 9.0 | 2449699 | 1994-12-12 | 2449701 | 1994-12-14 | -2 | SVO |
| 39 | 10.3 | 2449941 | 1995-08-11 | 2449937 | 1995-08-07 | 4 | SVO |
| 40 | 9.8 | 2450170 | 1996-03-27 | 2450173 | 1996-03-30 | -3 | SVO |
| 41 | 9.3 | 2450405 | 1996-11-17 | 2450409 | 1996-11-21 | -4 | SVO |
| 42 | 2450640 | 1997-07-10 | 2450644 | 1997-07-14 | -4 | SVO | |
| 43 | 8.9 | 2450870 | 1998-02-25 | 2450880 | 1998-03-07 | -10 | SVO |
| 44 | 9.3 | 2451099 | 1998-10-12 | 2451116 | 1998-10-29 | -17 | SVO |
| 45 | 9.3 | 2451332 | 1999-06-02 | 2451352 | 1999-06-22 | -20 | SVO |
| 46 | 9.5 | 2451568 | 2000-01-24 | 2451587 | 2000-02-12 | -19 | SVO |
| 47 | 2451805 | 2000-09-17 | 2451823 | 2000-10-05 | -18 | SVO | |
| 48 | 9.0 | 2452037 | 2001-05-07 | 2452059 | 2001-05-29 | -22 | SVO |
| 49 | 10.1 | 2452278 | 2002-01-03 | 2452295 | 2002-01-20 | -17 | SVO |
| 51 | 2452750 | 2003-04-20 | 2452766 | 2003-05-06 | -16 | SVO | |
| 52 | 9.0 | 2452978 | 2003-12-04 | 2453002 | 2003-12-28 | -24 | SVO |
| 54 | 2453460 | 2005-03-30 | 2453473 | 2005-04-12 | -13 | SVO | |
| 55 | 9.2 | 2453692 | 2005-11-17 | 2453709 | 2005-12-04 | -17 | SVO |
| 57 | 2454175 | 2007-03-15 | 2454181 | 2007-03-21 | -6 | SVO | |
| 58 | 2454410 | 2007-11-05 | 2454416 | 2007-11-11 | -6 | SVO | |
| 66 | 8.9 | 2456308 | 2013-01-15 | 2456303 | 2013-01-10 | 5 | SVO |
| 67 | 2456545 | 2013-09-09 | 2456538 | 2013-09-02 | 7 | SVO | |
| 68 | 2456790 | 2014-05-12 | 2456774 | 2014-04-26 | 16 | SVO | |
| 69 | 10.0 | 2457028 | 2015-01-05 | 2457010 | 2014-12-18 | 18 | SVO |
| 70 | 9.5 | 2457256 | 2015-08-21 | 2457246 | 2015-08-11 | 10 | SVO |
| 71 | 2457490 | 2016-04-11 | 2457481 | 2016-04-02 | 9 | SVO | |
| 72 | 10.1 | 2457729 | 2016-12-06 | 2457717 | 2016-11-24 | 12 | SVO |
| 73 | 2457975 | 2017-08-09 | 2457953 | 2017-07-18 | 22 | SVO | |
| 74 | 2458199 | 2018-03-21 | 2458189 | 2018-03-11 | 10 | SVO | |
| 75 | 9.3 | 2458426 | 2018-11-03 | 2458424 | 2018-11-01 | 2 | SVO |
| 76 | 9.7 | 2458664 | 2019-06-29 | 2458660 | 2019-06-25 | 4 | SVO |
| 77 | 10.1 | 2458910 | 2020-03-01 | 2458896 | 2020-02-16 | 14 | SVO |
| 78 | 9.1 | 2459133 | 2020-10-10 | 2459132 | 2020-10-09 | 1 | SVO |
| 79 | 9.1 | 2459365 | 2021-05-30 | 2459367 | 2021-06-01 | -2 | SVO |
| 80 | 8.8 | 2459596 | 2022-01-16 | 2459603 | 2022-01-23 | -7 | SVO |
| 81 | 9.6 | 2459837 | 2022-09-14 | 2459839 | 2022-09-16 | -2 | 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. |