| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -85 | 2422700 | 1921-01-10 | 2422702 | 1921-01-12 | -2 | AN, 1923, vol 219, p 349 | |
| -81 | 2423717 | 1923-10-24 | 2423720 | 1923-10-27 | -3 | AN, 1925, vol 224, p 73 | |
| -80 | 2423977 | 1924-07-10 | 2423975 | 1924-07-08 | 2 | AN, 1925, vol 224, p 73 | |
| -79 | 2424240 | 1925-03-30 | 2424230 | 1925-03-20 | 10 | SVO | |
| -78 | 2424495 | 1925-12-10 | 2424484 | 1925-11-29 | 11 | SVO | |
| -77 | 2424740 | 1926-08-12 | 2424739 | 1926-08-11 | 1 | SVO | |
| -76 | 9.1 | 2425029 | 1927-05-28 | 2424994 | 1927-04-23 | 35 | SVO |
| -75 | 9.5 | 2425254 | 1928-01-08 | 2425248 | 1928-01-02 | 6 | SVO |
| -64 | 2428044 | 1935-08-29 | 2428050 | 1935-09-04 | -6 | SVO | |
| -61 | 2428800 | 1937-09-23 | 2428814 | 1937-10-07 | -14 | SVO | |
| -60 | 2429063 | 1938-06-13 | 2429068 | 1938-06-18 | -5 | SVO | |
| -58 | 2429560 | 1939-10-23 | 2429578 | 1939-11-10 | -18 | SVO | |
| -57 | 2429816 | 1940-07-05 | 2429832 | 1940-07-21 | -16 | SVO | |
| -54 | 2430579 | 1942-08-07 | 2430596 | 1942-08-24 | -17 | SVO | |
| -51 | 2431350 | 1944-09-16 | 2431360 | 1944-09-26 | -10 | SVO | |
| -50 | 2431610 | 1945-06-03 | 2431615 | 1945-06-08 | -5 | SVO | |
| -47 | 2432380 | 1947-07-13 | 2432379 | 1947-07-12 | 1 | SVO | |
| -14 | 10.0 | 2440801 | 1970-08-02 | 2440783 | 1970-07-15 | 18 | SVO |
| -13 | 2441060 | 1971-04-18 | 2441037 | 1971-03-26 | 23 | SVO | |
| -12 | 10.8 | 2441326 | 1972-01-09 | 2441292 | 1971-12-06 | 34 | SVO |
| -11 | 10.5 | 2441569 | 1972-09-08 | 2441547 | 1972-08-17 | 22 | SVO |
| -8 | 10.3 | 2442338 | 1974-10-17 | 2442311 | 1974-09-20 | 27 | SVO |
| -7 | 10.0 | 2442587 | 1975-06-23 | 2442565 | 1975-06-01 | 22 | SVO |
| -6 | 10.3 | 2442846 | 1976-03-08 | 2442820 | 1976-02-11 | 26 | SVO |
| -5 | 9.9 | 2443091 | 1976-11-08 | 2443075 | 1976-10-23 | 16 | SVO |
| -4 | 10.4 | 2443354 | 1977-07-29 | 2443329 | 1977-07-04 | 25 | SVO |
| -3 | 2443600 | 1978-04-01 | 2443584 | 1978-03-16 | 16 | SVO | |
| -2 | 10.3 | 2443858 | 1978-12-15 | 2443839 | 1978-11-26 | 19 | SVO |
| -1 | 10.0 | 2444094 | 1979-08-08 | 2444093 | 1979-08-07 | 1 | SVO |
| 0 | 2444340 | 1980-04-10 | 2444348 | 1980-04-18 | -8 | SVO | |
| 1 | 10.1 | 2444601 | 1980-12-27 | 2444602 | 1980-12-28 | -1 | SVO |
| 2 | 10.2 | 2444851 | 1981-09-03 | 2444857 | 1981-09-09 | -6 | SVO |
| 3 | 10.0 | 2445104 | 1982-05-14 | 2445112 | 1982-05-22 | -8 | SVO |
| 4 | 10.0 | 2445358 | 1983-01-23 | 2445366 | 1983-01-31 | -8 | SVO |
| 5 | 10.0 | 2445602 | 1983-09-24 | 2445621 | 1983-10-13 | -19 | SVO |
| 6 | 9.9 | 2445859 | 1984-06-07 | 2445876 | 1984-06-24 | -17 | SVO |
| 7 | 10.0 | 2446112 | 1985-02-15 | 2446130 | 1985-03-05 | -18 | SVO |
| 8 | 10.1 | 2446364 | 1985-10-25 | 2446385 | 1985-11-15 | -21 | SVO |
| 9 | 9.7 | 2446607 | 1986-06-25 | 2446640 | 1986-07-28 | -33 | SVO |
| 10 | 10.0 | 2446876 | 1987-03-21 | 2446894 | 1987-04-08 | -18 | SVO |
| 11 | 10.1 | 2447125 | 1987-11-25 | 2447149 | 1987-12-19 | -24 | SVO |
| 12 | 9.9 | 2447375 | 1988-08-01 | 2447404 | 1988-08-30 | -29 | SVO |
| 13 | 10.0 | 2447629 | 1989-04-12 | 2447658 | 1989-05-11 | -29 | SVO |
| 14 | 10.4 | 2447892 | 1989-12-31 | 2447913 | 1990-01-21 | -21 | SVO |
| 15 | 10.0 | 2448142 | 1990-09-07 | 2448168 | 1990-10-03 | -26 | SVO |
| 16 | 10.0 | 2448407 | 1991-05-30 | 2448422 | 1991-06-14 | -15 | SVO |
| 17 | 9.8 | 2448644 | 1992-01-22 | 2448677 | 1992-02-24 | -33 | SVO |
| 18 | 10.1 | 2448913 | 1992-10-17 | 2448932 | 1992-11-05 | -19 | SVO |
| 19 | 10.1 | 2449174 | 1993-07-05 | 2449186 | 1993-07-17 | -12 | SVO |
| 20 | 10.1 | 2449432 | 1994-03-20 | 2449441 | 1994-03-29 | -9 | SVO |
| 21 | 9.7 | 2449685 | 1994-11-28 | 2449696 | 1994-12-09 | -11 | SVO |
| 22 | 10.0 | 2449936 | 1995-08-06 | 2449950 | 1995-08-20 | -14 | SVO |
| 23 | 10.4 | 2450204 | 1996-04-30 | 2450205 | 1996-05-01 | -1 | SVO |
| 24 | 10.2 | 2450464 | 1997-01-15 | 2450460 | 1997-01-11 | 4 | SVO |
| 25 | 10.1 | 2450715 | 1997-09-23 | 2450714 | 1997-09-22 | 1 | SVO |
| 26 | 10.5 | 2450971 | 1998-06-06 | 2450969 | 1998-06-04 | 2 | SVO |
| 27 | 10.6 | 2451229 | 1999-02-19 | 2451224 | 1999-02-14 | 5 | SVO |
| 28 | 10.5 | 2451484 | 1999-11-01 | 2451478 | 1999-10-26 | 6 | SVO |
| 29 | 10.3 | 2451747 | 2000-07-21 | 2451733 | 2000-07-07 | 14 | SVO |
| 30 | 10.1 | 2451998 | 2001-03-29 | 2451988 | 2001-03-19 | 10 | SVO |
| 31 | 10.2 | 2452250 | 2001-12-06 | 2452242 | 2001-11-28 | 8 | SVO |
| 32 | 9.7 | 2452510 | 2002-08-23 | 2452497 | 2002-08-10 | 13 | SVO |
| 33 | 10.1 | 2452769 | 2003-05-09 | 2452752 | 2003-04-22 | 17 | SVO |
| 34 | 2453023 | 2004-01-18 | 2453006 | 2004-01-01 | 17 | AFOEV | |
| 35 | 9.8 | 2453276 | 2004-09-27 | 2453261 | 2004-09-12 | 15 | SVO |
| 36 | 9.8 | 2453530 | 2005-06-08 | 2453516 | 2005-05-25 | 14 | SVO |
| 37 | 9.9 | 2453780 | 2006-02-13 | 2453770 | 2006-02-03 | 10 | SVO |
| 38 | 9.6 | 2454028 | 2006-10-19 | 2454025 | 2006-10-16 | 3 | SVO |
| 39 | 10.2 | 2454294 | 2007-07-12 | 2454280 | 2007-06-28 | 14 | SVO |
| 40 | 10.0 | 2454539 | 2008-03-13 | 2454534 | 2008-03-08 | 5 | SVO |
| 41 | 9.9 | 2454788 | 2008-11-17 | 2454789 | 2008-11-18 | -1 | SVO |
| 42 | 9.6 | 2455042 | 2009-07-29 | 2455044 | 2009-07-31 | -2 | SVO |
| 43 | 10.0 | 2455306 | 2010-04-19 | 2455298 | 2010-04-11 | 8 | SVO |
| 44 | 10.0 | 2455555 | 2010-12-24 | 2455553 | 2010-12-22 | 2 | SVO |
| 45 | 9.9 | 2455817 | 2011-09-12 | 2455808 | 2011-09-03 | 9 | SVO |
| 46 | 9.9 | 2456068 | 2012-05-20 | 2456062 | 2012-05-14 | 6 | SVO |
| 47 | 9.6 | 2456313 | 2013-01-20 | 2456317 | 2013-01-24 | -4 | SVO |
| 48 | 9.8 | 2456572 | 2013-10-06 | 2456571 | 2013-10-05 | 1 | SVO |
| 49 | 10.1 | 2456824 | 2014-06-15 | 2456826 | 2014-06-17 | -2 | SVO |
| 50 | 9.8 | 2457082 | 2015-02-28 | 2457081 | 2015-02-27 | 1 | SVO |
| 51 | 9.9 | 2457337 | 2015-11-10 | 2457335 | 2015-11-08 | 2 | SVO |
| 52 | 9.9 | 2457589 | 2016-07-19 | 2457590 | 2016-07-20 | -1 | SVO |
| 53 | 10.0 | 2457845 | 2017-04-01 | 2457845 | 2017-04-01 | 0 | SVO |
| 54 | 9.6 | 2458098 | 2017-12-10 | 2458099 | 2017-12-11 | -1 | SVO |
| 55 | 9.7 | 2458350 | 2018-08-19 | 2458354 | 2018-08-23 | -4 | SVO |
| 56 | 10.3 | 2458626 | 2019-05-22 | 2458609 | 2019-05-05 | 17 | SVO |
| 57 | 9.7 | 2458854 | 2020-01-05 | 2458863 | 2020-01-14 | -9 | SVO |
| 58 | 9.7 | 2459113 | 2020-09-20 | 2459118 | 2020-09-25 | -5 | SVO |
| 59 | 9.9 | 2459376 | 2021-06-10 | 2459373 | 2021-06-07 | 3 | SVO |
| 60 | 9.9 | 2459633 | 2022-02-22 | 2459627 | 2022-02-16 | 6 | SVO |
| 61 | 9.7 | 2459879 | 2022-10-26 | 2459882 | 2022-10-29 | -3 | 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. |