| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -29 | 2440910 | 1970-11-19 | 2440952 | 1970-12-31 | -42 | SVO | |
| -28 | 2441300 | 1971-12-14 | 2441332 | 1972-01-15 | -32 | SVO | |
| -27 | 2441680 | 1972-12-28 | 2441713 | 1973-01-30 | -33 | SVO | |
| -26 | 10.2 | 2442068 | 1974-01-20 | 2442093 | 1974-02-14 | -25 | SVO |
| -25 | 10.1 | 2442452 | 1975-02-08 | 2442474 | 1975-03-02 | -22 | SVO |
| -24 | 10.4 | 2442834 | 1976-02-25 | 2442855 | 1976-03-17 | -21 | SVO |
| -23 | 10.2 | 2443208 | 1977-03-05 | 2443235 | 1977-04-01 | -27 | SVO |
| -22 | 2443590 | 1978-03-22 | 2443616 | 1978-04-17 | -26 | JAVSO, 1980, vol 9, p 81 | |
| -21 | 10.2 | 2443979 | 1979-04-15 | 2443996 | 1979-05-02 | -17 | SVO |
| -19 | 10.8 | 2444757 | 1981-06-01 | 2444757 | 1981-06-01 | 0 | SVO |
| -18 | 10.6 | 2445133 | 1982-06-12 | 2445138 | 1982-06-17 | -5 | SVO |
| -15 | 10.1 | 2446303 | 1985-08-25 | 2446280 | 1985-08-02 | 23 | SVO |
| -14 | 10.6 | 2446692 | 1986-09-18 | 2446660 | 1986-08-17 | 32 | SVO |
| -13 | 9.8 | 2447066 | 1987-09-27 | 2447041 | 1987-09-02 | 25 | SVO |
| -12 | 10.7 | 2447456 | 1988-10-21 | 2447421 | 1988-09-16 | 35 | SVO |
| -11 | 10.2 | 2447829 | 1989-10-29 | 2447802 | 1989-10-02 | 27 | SVO |
| -10 | 10.2 | 2448202 | 1990-11-06 | 2448183 | 1990-10-18 | 19 | SVO |
| -9 | 9.8 | 2448583 | 1991-11-22 | 2448563 | 1991-11-02 | 20 | SVO |
| -8 | 10.3 | 2448958 | 1992-12-01 | 2448944 | 1992-11-17 | 14 | SVO |
| -7 | 10.0 | 2449336 | 1993-12-14 | 2449324 | 1993-12-02 | 12 | SVO |
| -6 | 10.2 | 2449718 | 1994-12-31 | 2449705 | 1994-12-18 | 13 | SVO |
| -5 | 10.9 | 2450094 | 1996-01-11 | 2450085 | 1996-01-02 | 9 | SVO |
| -4 | 10.0 | 2450474 | 1997-01-25 | 2450466 | 1997-01-17 | 8 | SVO |
| -3 | 10.9 | 2450852 | 1998-02-07 | 2450846 | 1998-02-01 | 6 | SVO |
| -2 | 10.5 | 2451225 | 1999-02-15 | 2451227 | 1999-02-17 | -2 | SVO |
| -1 | 2451595 | 2000-02-20 | 2451608 | 2000-03-04 | -13 | AFOEV | |
| 0 | 2451990 | 2001-03-21 | 2451988 | 2001-03-19 | 2 | AFOEV | |
| 1 | 2452358 | 2002-03-24 | 2452369 | 2002-04-04 | -11 | AFOEV | |
| 2 | 10.8 | 2452753 | 2003-04-23 | 2452749 | 2003-04-19 | 4 | SVO |
| 3 | 9.7 | 2453118 | 2004-04-22 | 2453130 | 2004-05-04 | -12 | SVO |
| 4 | 10.4 | 2453512 | 2005-05-21 | 2453510 | 2005-05-19 | 2 | SVO |
| 6 | 10.7 | 2454256 | 2007-06-04 | 2454272 | 2007-06-20 | -16 | 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 | 2455413 | 2010-08-04 | 2 | SVO |
| 10 | 10.1 | 2455789 | 2011-08-15 | 2455794 | 2011-08-20 | -5 | SVO |
| 11 | 9.9 | 2456167 | 2012-08-27 | 2456174 | 2012-09-03 | -7 | SVO |
| 12 | 10.3 | 2456546 | 2013-09-10 | 2456555 | 2013-09-19 | -9 | SVO |
| 13 | 10.2 | 2456936 | 2014-10-05 | 2456935 | 2014-10-04 | 1 | SVO |
| 14 | 10.1 | 2457308 | 2015-10-12 | 2457316 | 2015-10-20 | -8 | SVO |
| 15 | 10.3 | 2457689 | 2016-10-27 | 2457697 | 2016-11-04 | -8 | SVO |
| 16 | 10.3 | 2458071 | 2017-11-13 | 2458077 | 2017-11-19 | -6 | SVO |
| 17 | 10.6 | 2458454 | 2018-12-01 | 2458458 | 2018-12-05 | -4 | SVO |
| 18 | 10.1 | 2458836 | 2019-12-18 | 2458838 | 2019-12-20 | -2 | SVO |
| 19 | 10.8 | 2459223 | 2021-01-08 | 2459219 | 2021-01-04 | 4 | SVO |
| 20 | 10.1 | 2459590 | 2022-01-10 | 2459599 | 2022-01-19 | -9 | 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. |