| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -58 | 2412730 | 1893-09-23 | 2411908 | 1891-06-24 | 822 | SVO | |
| -55 | 2414050 | 1897-05-05 | 2413304 | 1895-04-20 | 746 | SVO | |
| -53 | 2414850 | 1899-07-14 | 2414234 | 1897-11-05 | 616 | SVO | |
| -52 | 2415286 | 1900-09-23 | 2414699 | 1899-02-13 | 587 | PZ, 1954, vol 10, p 100 | |
| -51 | 2415735 | 1901-12-16 | 2415165 | 1900-05-25 | 570 | SVO | |
| -50 | 2416150 | 1903-02-04 | 2415630 | 1901-09-02 | 520 | SVO | |
| -47 | 2417375 | 1906-06-13 | 2417026 | 1905-06-29 | 349 | SVO | |
| -46 | 2417800 | 1907-08-12 | 2417491 | 1906-10-07 | 309 | SVO | |
| -45 | 2418250 | 1908-11-04 | 2417957 | 1908-01-16 | 293 | SVO | |
| -44 | 2418680 | 1910-01-08 | 2418422 | 1909-04-25 | 258 | SVO | |
| -41 | 2419995 | 1913-08-15 | 2419818 | 1913-02-19 | 177 | SVO | |
| -40 | 2420420 | 1914-10-14 | 2420283 | 1914-05-30 | 137 | SVO | |
| -39 | 2420860 | 1915-12-28 | 2420748 | 1915-09-07 | 112 | SVO | |
| -37 | 2421750 | 1918-06-05 | 2421679 | 1918-03-26 | 71 | SVO | |
| -36 | 2422205 | 1919-09-03 | 2422144 | 1919-07-04 | 61 | SVO | |
| -35 | 2422640 | 1920-11-11 | 2422610 | 1920-10-12 | 30 | SVO | |
| -33 | 2423580 | 1923-06-09 | 2423540 | 1923-04-30 | 40 | SVO | |
| -32 | 2424030 | 1924-09-01 | 2424005 | 1924-08-07 | 25 | SVO | |
| -29 | 2425413 | 1928-06-15 | 2425401 | 1928-06-03 | 12 | PZ, 1954, vol 10, p 100 | |
| -28 | 2425850 | 1929-08-26 | 2425867 | 1929-09-12 | -17 | PZ, 1954, vol 10, p 100 | |
| -27 | 2426333 | 1930-12-22 | 2426332 | 1930-12-21 | 1 | PZ, 1954, vol 10, p 100 | |
| -26 | 2426772 | 1932-03-05 | 2426797 | 1932-03-30 | -25 | PZ, 1954, vol 10, p 100 | |
| -25 | 2427230 | 1933-06-06 | 2427263 | 1933-07-09 | -33 | SVO | |
| -24 | 2427697 | 1934-09-16 | 2427728 | 1934-10-17 | -31 | SVO | |
| -23 | 2428180 | 1936-01-12 | 2428193 | 1936-01-25 | -13 | PZ, 1954, vol 10, p 100 | |
| -21 | 2429108 | 1938-07-28 | 2429124 | 1938-08-13 | -16 | PZ, 1954, vol 10, p 100 | |
| -20 | 2429544 | 1939-10-07 | 2429589 | 1939-11-21 | -45 | SVO | |
| -17 | 2430925 | 1943-07-19 | 2430985 | 1943-09-17 | -60 | SVO | |
| -16 | 2431380 | 1944-10-16 | 2431450 | 1944-12-25 | -70 | SVO | |
| -13 | 2432775 | 1948-08-11 | 2432846 | 1948-10-21 | -71 | PZ, 1954, vol 10, p 100 | |
| -12 | 2433217 | 1949-10-27 | 2433311 | 1950-01-29 | -94 | PZ, 1954, vol 10, p 100 | |
| 2 | 11.0 | 2439858 | 1968-01-02 | 2439826 | 1967-12-01 | 32 | SVO |
| 3 | 2440340 | 1969-04-28 | 2440291 | 1969-03-10 | 49 | SVO | |
| 4 | 10.4 | 2440800 | 1970-08-01 | 2440756 | 1970-06-18 | 44 | SVO |
| 5 | 2441280 | 1971-11-24 | 2441222 | 1971-09-27 | 58 | SVO | |
| 6 | 2441760 | 1973-03-18 | 2441687 | 1973-01-04 | 73 | SVO | |
| 7 | 2442230 | 1974-07-01 | 2442152 | 1974-04-14 | 78 | SVO | |
| 8 | 10.2 | 2442688 | 1975-10-02 | 2442617 | 1975-07-23 | 71 | SVO |
| 9 | 10.7 | 2443153 | 1977-01-09 | 2443083 | 1976-10-31 | 70 | SVO |
| 10 | 2443680 | 1978-06-20 | 2443548 | 1978-02-08 | 132 | SVO | |
| 11 | 10.2 | 2444144 | 1979-09-27 | 2444013 | 1979-05-19 | 131 | SVO |
| 12 | 2444670 | 1981-03-06 | 2444479 | 1980-08-27 | 191 | SVO | |
| 13 | 2445130 | 1982-06-09 | 2444944 | 1981-12-05 | 186 | SVO | |
| 14 | 10.1 | 2445619 | 1983-10-11 | 2445409 | 1983-03-15 | 210 | SVO |
| 15 | 10.5 | 2446100 | 1985-02-03 | 2445875 | 1984-06-23 | 225 | SVO |
| 16 | 2446632 | 1986-07-20 | 2446340 | 1985-10-01 | 292 | SVO | |
| 17 | 2447150 | 1987-12-20 | 2446805 | 1987-01-09 | 345 | SVO | |
| 18 | 2447630 | 1989-04-13 | 2447270 | 1988-04-18 | 360 | SVO | |
| 19 | 9.9 | 2448153 | 1990-09-18 | 2447736 | 1989-07-28 | 417 | SVO |
| 20 | 2448720 | 1992-04-07 | 2448201 | 1990-11-05 | 519 | SVO | |
| 21 | 2449300 | 1993-11-08 | 2448666 | 1992-02-13 | 634 | SVO | |
| 22 | 9.7 | 2449830 | 1995-04-22 | 2449132 | 1993-05-24 | 698 | SVO |
| 23 | 10.0 | 2450389 | 1996-11-01 | 2449597 | 1994-09-01 | 792 | SVO |
| 24 | 9.8 | 2450973 | 1998-06-08 | 2450062 | 1995-12-10 | 911 | SVO |
| 25 | 9.6 | 2451540 | 1999-12-27 | 2450528 | 1997-03-20 | 1012 | SVO |
| 26 | 9.6 | 2452114 | 2001-07-23 | 2450993 | 1998-06-28 | 1121 | SVO |
| 27 | 10.1 | 2452718 | 2003-03-19 | 2451458 | 1999-10-06 | 1260 | SVO |
| 28 | 9.9 | 2453287 | 2004-10-08 | 2451923 | 2001-01-13 | 1364 | SVO |
| 29 | 2453910 | 2006-06-23 | 2452389 | 2002-04-24 | 1521 | SVO | |
| 30 | 10.2 | 2454475 | 2008-01-09 | 2452854 | 2003-08-02 | 1621 | SVO |
| 31 | 10.5 | 2455054 | 2009-08-10 | 2453319 | 2004-11-09 | 1735 | SVO |
| 32 | 11.0 | 2455657 | 2011-04-05 | 2453785 | 2006-02-18 | 1872 | SVO |
| 33 | 10.7 | 2456219 | 2012-10-18 | 2454250 | 2007-05-29 | 1969 | SVO |
| 34 | 12.0 | 2456820 | 2014-06-11 | 2454715 | 2008-09-05 | 2105 | SVO |
| 35 | 11.7 | 2457406 | 2016-01-18 | 2455181 | 2009-12-15 | 2225 | SVO |
| 36 | 2458000 | 2017-09-03 | 2455646 | 2011-03-25 | 2354 | SVO | |
| 37 | 11.8 | 2458561 | 2019-03-18 | 2456111 | 2012-07-02 | 2450 | SVO |
| 38 | 2459150 | 2020-10-27 | 2456576 | 2013-10-10 | 2574 | SVO | |
| 39 | 12.0 | 2459737 | 2022-06-06 | 2457042 | 2015-01-19 | 2695 | 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. |