| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -58 | 2412730 | 1893-09-23 | 2411668 | 1890-10-27 | 1062 | SVO | |
| -55 | 2414050 | 1897-05-05 | 2413109 | 1894-10-07 | 941 | SVO | |
| -53 | 2414850 | 1899-07-14 | 2414070 | 1897-05-25 | 780 | SVO | |
| -52 | 2415286 | 1900-09-23 | 2414551 | 1898-09-18 | 735 | PZ, 1954, vol 10, p 100 | |
| -51 | 2415735 | 1901-12-16 | 2415031 | 1900-01-11 | 704 | SVO | |
| -50 | 2416150 | 1903-02-04 | 2415512 | 1901-05-07 | 638 | SVO | |
| -47 | 2417375 | 1906-06-13 | 2416953 | 1905-04-17 | 422 | SVO | |
| -46 | 2417800 | 1907-08-12 | 2417433 | 1906-08-10 | 367 | SVO | |
| -45 | 2418250 | 1908-11-04 | 2417914 | 1907-12-04 | 336 | SVO | |
| -44 | 2418680 | 1910-01-08 | 2418394 | 1909-03-28 | 286 | SVO | |
| -41 | 2419995 | 1913-08-15 | 2419836 | 1913-03-09 | 159 | SVO | |
| -40 | 2420420 | 1914-10-14 | 2420316 | 1914-07-02 | 104 | SVO | |
| -39 | 2420860 | 1915-12-28 | 2420797 | 1915-10-26 | 63 | SVO | |
| -37 | 2421750 | 1918-06-05 | 2421758 | 1918-06-13 | -8 | SVO | |
| -36 | 2422205 | 1919-09-03 | 2422238 | 1919-10-06 | -33 | SVO | |
| -35 | 2422640 | 1920-11-11 | 2422719 | 1921-01-29 | -79 | SVO | |
| -33 | 2423580 | 1923-06-09 | 2423680 | 1923-09-17 | -100 | SVO | |
| -32 | 2424030 | 1924-09-01 | 2424160 | 1925-01-09 | -130 | SVO | |
| -29 | 2425413 | 1928-06-15 | 2425601 | 1928-12-20 | -188 | PZ, 1954, vol 10, p 100 | |
| -28 | 2425850 | 1929-08-26 | 2426082 | 1930-04-15 | -232 | PZ, 1954, vol 10, p 100 | |
| -27 | 2426333 | 1930-12-22 | 2426562 | 1931-08-08 | -229 | PZ, 1954, vol 10, p 100 | |
| -26 | 2426772 | 1932-03-05 | 2427043 | 1932-12-01 | -271 | PZ, 1954, vol 10, p 100 | |
| -25 | 2427230 | 1933-06-06 | 2427523 | 1934-03-26 | -293 | SVO | |
| -24 | 2427697 | 1934-09-16 | 2428004 | 1935-07-20 | -307 | SVO | |
| -23 | 2428180 | 1936-01-12 | 2428484 | 1936-11-11 | -304 | PZ, 1954, vol 10, p 100 | |
| -21 | 2429108 | 1938-07-28 | 2429445 | 1939-06-30 | -337 | PZ, 1954, vol 10, p 100 | |
| -20 | 2429544 | 1939-10-07 | 2429926 | 1940-10-23 | -382 | SVO | |
| -17 | 2430925 | 1943-07-19 | 2431367 | 1944-10-03 | -442 | SVO | |
| -16 | 2431380 | 1944-10-16 | 2431847 | 1946-01-26 | -467 | SVO | |
| -13 | 2432775 | 1948-08-11 | 2433289 | 1950-01-07 | -514 | PZ, 1954, vol 10, p 100 | |
| -12 | 2433217 | 1949-10-27 | 2433769 | 1951-05-02 | -552 | PZ, 1954, vol 10, p 100 | |
| 2 | 11.0 | 2439858 | 1968-01-02 | 2440496 | 1969-10-01 | -638 | SVO |
| 3 | 2440340 | 1969-04-28 | 2440976 | 1971-01-24 | -636 | SVO | |
| 4 | 10.4 | 2440800 | 1970-08-01 | 2441457 | 1972-05-19 | -657 | SVO |
| 5 | 2441280 | 1971-11-24 | 2441937 | 1973-09-11 | -657 | SVO | |
| 6 | 2441760 | 1973-03-18 | 2442418 | 1975-01-05 | -658 | SVO | |
| 7 | 2442230 | 1974-07-01 | 2442898 | 1976-04-29 | -668 | SVO | |
| 8 | 10.2 | 2442688 | 1975-10-02 | 2443379 | 1977-08-23 | -691 | SVO |
| 9 | 10.7 | 2443153 | 1977-01-09 | 2443859 | 1978-12-16 | -706 | SVO |
| 10 | 2443680 | 1978-06-20 | 2444339 | 1980-04-09 | -659 | SVO | |
| 11 | 10.2 | 2444144 | 1979-09-27 | 2444820 | 1981-08-03 | -676 | SVO |
| 12 | 2444670 | 1981-03-06 | 2445300 | 1982-11-26 | -630 | SVO | |
| 13 | 2445130 | 1982-06-09 | 2445781 | 1984-03-21 | -651 | SVO | |
| 14 | 10.1 | 2445619 | 1983-10-11 | 2446261 | 1985-07-14 | -642 | SVO |
| 15 | 10.5 | 2446100 | 1985-02-03 | 2446742 | 1986-11-07 | -642 | SVO |
| 16 | 2446632 | 1986-07-20 | 2447222 | 1988-03-01 | -590 | SVO | |
| 17 | 2447150 | 1987-12-20 | 2447703 | 1989-06-25 | -553 | SVO | |
| 18 | 2447630 | 1989-04-13 | 2448183 | 1990-10-18 | -553 | SVO | |
| 19 | 9.9 | 2448153 | 1990-09-18 | 2448664 | 1992-02-11 | -511 | SVO |
| 20 | 2448720 | 1992-04-07 | 2449144 | 1993-06-05 | -424 | SVO | |
| 21 | 2449300 | 1993-11-08 | 2449625 | 1994-09-29 | -325 | SVO | |
| 22 | 9.7 | 2449830 | 1995-04-22 | 2450105 | 1996-01-22 | -275 | SVO |
| 23 | 10.0 | 2450389 | 1996-11-01 | 2450586 | 1997-05-17 | -197 | SVO |
| 24 | 9.8 | 2450973 | 1998-06-08 | 2451066 | 1998-09-09 | -93 | SVO |
| 25 | 9.6 | 2451540 | 1999-12-27 | 2451546 | 2000-01-02 | -6 | SVO |
| 26 | 9.6 | 2452114 | 2001-07-23 | 2452027 | 2001-04-27 | 87 | SVO |
| 27 | 10.1 | 2452718 | 2003-03-19 | 2452507 | 2002-08-20 | 211 | SVO |
| 28 | 9.9 | 2453287 | 2004-10-08 | 2452988 | 2003-12-14 | 299 | SVO |
| 29 | 2453910 | 2006-06-23 | 2453468 | 2005-04-07 | 442 | SVO | |
| 30 | 10.2 | 2454475 | 2008-01-09 | 2453949 | 2006-08-01 | 526 | SVO |
| 31 | 10.5 | 2455054 | 2009-08-10 | 2454429 | 2007-11-24 | 625 | SVO |
| 32 | 11.0 | 2455657 | 2011-04-05 | 2454910 | 2009-03-19 | 747 | SVO |
| 33 | 10.7 | 2456219 | 2012-10-18 | 2455390 | 2010-07-12 | 829 | SVO |
| 34 | 12.0 | 2456820 | 2014-06-11 | 2455871 | 2011-11-05 | 949 | SVO |
| 35 | 11.7 | 2457406 | 2016-01-18 | 2456351 | 2013-02-27 | 1055 | SVO |
| 36 | 2458000 | 2017-09-03 | 2456832 | 2014-06-23 | 1168 | SVO | |
| 37 | 11.8 | 2458561 | 2019-03-18 | 2457312 | 2015-10-16 | 1249 | SVO |
| 38 | 2459150 | 2020-10-27 | 2457792 | 2017-02-07 | 1358 | SVO | |
| 39 | 12.0 | 2459737 | 2022-06-06 | 2458273 | 2018-06-03 | 1464 | 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. |