| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -29 | 2440910 | 1970-11-19 | 2440943 | 1970-12-22 | -33 | SVO | |
| -28 | 2441300 | 1971-12-14 | 2441324 | 1972-01-07 | -24 | SVO | |
| -27 | 2441680 | 1972-12-28 | 2441705 | 1973-01-22 | -25 | SVO | |
| -26 | 10.2 | 2442068 | 1974-01-20 | 2442086 | 1974-02-07 | -18 | SVO |
| -25 | 10.1 | 2442452 | 1975-02-08 | 2442466 | 1975-02-22 | -14 | SVO |
| -24 | 10.4 | 2442834 | 1976-02-25 | 2442847 | 1976-03-09 | -13 | SVO |
| -23 | 10.2 | 2443208 | 1977-03-05 | 2443228 | 1977-03-25 | -20 | SVO |
| -22 | 2443590 | 1978-03-22 | 2443609 | 1978-04-10 | -19 | JAVSO, 1980, vol 9, p 81 | |
| -21 | 10.2 | 2443979 | 1979-04-15 | 2443990 | 1979-04-26 | -11 | SVO |
| -19 | 10.8 | 2444757 | 1981-06-01 | 2444751 | 1981-05-26 | 6 | SVO |
| -18 | 10.6 | 2445133 | 1982-06-12 | 2445132 | 1982-06-11 | 1 | SVO |
| -15 | 10.1 | 2446303 | 1985-08-25 | 2446274 | 1985-07-27 | 29 | SVO |
| -14 | 10.6 | 2446692 | 1986-09-18 | 2446655 | 1986-08-12 | 37 | SVO |
| -13 | 9.8 | 2447066 | 1987-09-27 | 2447036 | 1987-08-28 | 30 | SVO |
| -12 | 10.7 | 2447456 | 1988-10-21 | 2447417 | 1988-09-12 | 39 | SVO |
| -11 | 10.2 | 2447829 | 1989-10-29 | 2447798 | 1989-09-28 | 31 | SVO |
| -10 | 10.2 | 2448202 | 1990-11-06 | 2448178 | 1990-10-13 | 24 | SVO |
| -9 | 9.8 | 2448583 | 1991-11-22 | 2448559 | 1991-10-29 | 24 | SVO |
| -8 | 10.3 | 2448958 | 1992-12-01 | 2448940 | 1992-11-13 | 18 | SVO |
| -7 | 10.0 | 2449336 | 1993-12-14 | 2449321 | 1993-11-29 | 15 | SVO |
| -6 | 10.2 | 2449718 | 1994-12-31 | 2449702 | 1994-12-15 | 16 | SVO |
| -5 | 10.9 | 2450094 | 1996-01-11 | 2450083 | 1995-12-31 | 11 | SVO |
| -4 | 10.0 | 2450474 | 1997-01-25 | 2450463 | 1997-01-14 | 11 | SVO |
| -3 | 10.9 | 2450852 | 1998-02-07 | 2450844 | 1998-01-30 | 8 | SVO |
| -2 | 10.5 | 2451225 | 1999-02-15 | 2451225 | 1999-02-15 | 0 | SVO |
| -1 | 2451595 | 2000-02-20 | 2451606 | 2000-03-02 | -11 | AFOEV | |
| 0 | 2451990 | 2001-03-21 | 2451987 | 2001-03-18 | 3 | AFOEV | |
| 1 | 2452358 | 2002-03-24 | 2452367 | 2002-04-02 | -9 | AFOEV | |
| 2 | 10.8 | 2452753 | 2003-04-23 | 2452748 | 2003-04-18 | 5 | SVO |
| 3 | 9.7 | 2453118 | 2004-04-22 | 2453129 | 2004-05-03 | -11 | SVO |
| 4 | 10.4 | 2453512 | 2005-05-21 | 2453510 | 2005-05-19 | 2 | SVO |
| 6 | 10.7 | 2454256 | 2007-06-04 | 2454271 | 2007-06-19 | -15 | SVO |
| 7 | 10.4 | 2454651 | 2008-07-03 | 2454652 | 2008-07-04 | -1 | SVO |
| 8 | 11.1 | 2455024 | 2009-07-11 | 2455033 | 2009-07-20 | -9 | SVO |
| 9 | 10.4 | 2455415 | 2010-08-06 | 2455414 | 2010-08-05 | 1 | SVO |
| 10 | 10.1 | 2455789 | 2011-08-15 | 2455795 | 2011-08-21 | -6 | SVO |
| 11 | 9.9 | 2456167 | 2012-08-27 | 2456176 | 2012-09-05 | -9 | SVO |
| 12 | 10.3 | 2456546 | 2013-09-10 | 2456556 | 2013-09-20 | -10 | SVO |
| 13 | 10.2 | 2456936 | 2014-10-05 | 2456937 | 2014-10-06 | -1 | SVO |
| 14 | 10.1 | 2457308 | 2015-10-12 | 2457318 | 2015-10-22 | -10 | SVO |
| 15 | 10.3 | 2457689 | 2016-10-27 | 2457699 | 2016-11-06 | -10 | SVO |
| 16 | 10.3 | 2458071 | 2017-11-13 | 2458080 | 2017-11-22 | -9 | SVO |
| 17 | 10.6 | 2458454 | 2018-12-01 | 2458460 | 2018-12-07 | -6 | SVO |
| 18 | 10.1 | 2458836 | 2019-12-18 | 2458841 | 2019-12-23 | -5 | SVO |
| 19 | 10.8 | 2459223 | 2021-01-08 | 2459222 | 2021-01-07 | 1 | SVO |
| 20 | 10.1 | 2459590 | 2022-01-10 | 2459603 | 2022-01-23 | -13 | 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. |