| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -62 | 2411585 | 1890-08-05 | 2411642 | 1890-10-01 | -57 | SVO | |
| -61 | 2412090 | 1891-12-23 | 2412138 | 1892-02-09 | -48 | SVO | |
| -59 | 2413080 | 1894-09-08 | 2413129 | 1894-10-27 | -49 | SVO | |
| -57 | 2414110 | 1897-07-04 | 2414121 | 1897-07-15 | -11 | SVO | |
| -56 | 2414620 | 1898-11-26 | 2414616 | 1898-11-22 | 4 | SVO | |
| -55 | 9.6 | 2415128 | 1900-04-18 | 2415112 | 1900-04-02 | 16 | SVO |
| -54 | 2415615 | 1901-08-18 | 2415608 | 1901-08-11 | 7 | GuL, 1920, 1.2 | |
| -53 | 2416111 | 1902-12-27 | 2416103 | 1902-12-19 | 8 | SVO | |
| -52 | 2416582 | 1904-04-11 | 2416599 | 1904-04-28 | -17 | GuL, 1920, 1.2 | |
| -51 | 9.5 | 2417130 | 1905-10-11 | 2417095 | 1905-09-06 | 35 | SVO |
| -50 | 8.6 | 2417644 | 1907-03-09 | 2417591 | 1907-01-15 | 53 | AAVSO |
| -49 | 2418121 | 1908-06-28 | 2418086 | 1908-05-24 | 35 | AAVSO | |
| -48 | 2418610 | 1909-10-30 | 2418582 | 1909-10-02 | 28 | SVO | |
| -47 | 10.0 | 2419100 | 1911-03-04 | 2419078 | 1911-02-10 | 22 | AAVSO |
| -46 | 10.0 | 2419593 | 1912-07-09 | 2419573 | 1912-06-19 | 20 | SVO |
| -45 | 9.8 | 2420097 | 1913-11-25 | 2420069 | 1913-10-28 | 28 | SVO |
| -43 | 9.6 | 2421050 | 1916-07-05 | 2421060 | 1916-07-15 | -10 | AAVSO |
| -42 | 9.4 | 2421552 | 1917-11-19 | 2421556 | 1917-11-23 | -4 | AAVSO |
| -41 | 9.5 | 2422028 | 1919-03-10 | 2422052 | 1919-04-03 | -24 | AAVSO |
| -40 | 2422530 | 1920-07-24 | 2422548 | 1920-08-11 | -18 | SVO | |
| -39 | 10.4 | 2423029 | 1921-12-05 | 2423043 | 1921-12-19 | -14 | SVO |
| -38 | 9.8 | 2423518 | 1923-04-08 | 2423539 | 1923-04-29 | -21 | SVO |
| -37 | 9.7 | 2423998 | 1924-07-31 | 2424035 | 1924-09-06 | -37 | SVO |
| -36 | 10.5 | 2424497 | 1925-12-12 | 2424530 | 1926-01-14 | -33 | SVO |
| -35 | 2424975 | 1927-04-04 | 2425026 | 1927-05-25 | -51 | AAVSO | |
| -34 | 9.8 | 2425491 | 1928-09-01 | 2425522 | 1928-10-02 | -31 | AAVSO |
| -33 | 10.2 | 2425971 | 1929-12-25 | 2426018 | 1930-02-10 | -47 | SVO |
| -32 | 10.6 | 2426480 | 1931-05-18 | 2426513 | 1931-06-20 | -33 | SVO |
| -31 | 9.8 | 2426972 | 1932-09-21 | 2427009 | 1932-10-28 | -37 | SVO |
| -30 | 10.5 | 2427467 | 1934-01-29 | 2427505 | 1934-03-08 | -38 | SVO |
| -29 | 9.9 | 2427968 | 1935-06-14 | 2428000 | 1935-07-16 | -32 | AAVSO |
| -28 | 10.4 | 2428469 | 1936-10-27 | 2428496 | 1936-11-23 | -27 | SVO |
| -27 | 9.9 | 2428969 | 1938-03-11 | 2428992 | 1938-04-03 | -23 | SVO |
| -26 | 10.8 | 2429477 | 1939-08-01 | 2429488 | 1939-08-12 | -11 | AAVSO |
| -25 | 10.7 | 2429975 | 1940-12-11 | 2429983 | 1940-12-19 | -8 | SVO |
| -24 | 10.3 | 2430494 | 1942-05-14 | 2430479 | 1942-04-29 | 15 | SVO |
| -23 | 10.1 | 2430982 | 1943-09-14 | 2430975 | 1943-09-07 | 7 | SVO |
| -22 | 10.9 | 2431494 | 1945-02-07 | 2431470 | 1945-01-14 | 24 | AAVSO |
| -21 | 9.6 | 2431996 | 1946-06-24 | 2431966 | 1946-05-25 | 30 | AAVSO |
| -20 | 10.5 | 2432482 | 1947-10-23 | 2432462 | 1947-10-03 | 20 | SVO |
| -19 | 9.5 | 2432983 | 1949-03-07 | 2432958 | 1949-02-10 | 25 | AAVSO |
| -18 | 10.0 | 2433482 | 1950-07-19 | 2433453 | 1950-06-20 | 29 | AAVSO |
| -17 | 10.3 | 2433978 | 1951-11-27 | 2433949 | 1951-10-29 | 29 | SVO |
| -16 | 10.4 | 2434474 | 1953-04-06 | 2434445 | 1953-03-08 | 29 | SVO |
| -15 | 10.1 | 2434983 | 1954-08-28 | 2434940 | 1954-07-16 | 43 | SVO |
| -14 | 10.6 | 2435475 | 1956-01-02 | 2435436 | 1955-11-24 | 39 | SVO |
| -13 | 9.6 | 2435973 | 1957-05-14 | 2435932 | 1957-04-03 | 41 | AAVSO |
| -12 | 9.8 | 2436466 | 1958-09-19 | 2436427 | 1958-08-11 | 39 | SVO |
| -11 | 10.3 | 2436969 | 1960-02-04 | 2436923 | 1959-12-20 | 46 | SVO |
| -10 | 9.6 | 2437452 | 1961-06-01 | 2437419 | 1961-04-29 | 33 | SVO |
| -9 | 10.9 | 2437955 | 1962-10-17 | 2437915 | 1962-09-07 | 40 | SVO |
| -8 | 10.5 | 2438465 | 1964-03-10 | 2438410 | 1964-01-15 | 55 | SVO |
| -7 | 10.3 | 2438921 | 1965-06-09 | 2438906 | 1965-05-25 | 15 | SVO |
| -6 | 10.6 | 2439438 | 1966-11-08 | 2439402 | 1966-10-03 | 36 | SVO |
| -5 | 10.7 | 2439938 | 1968-03-22 | 2439897 | 1968-02-10 | 41 | SVO |
| -4 | 11.1 | 2440433 | 1969-07-30 | 2440393 | 1969-06-20 | 40 | AAVSO |
| -3 | 11.1 | 2440914 | 1970-11-23 | 2440889 | 1970-10-29 | 25 | SVO |
| -2 | 10.6 | 2441422 | 1972-04-14 | 2441385 | 1972-03-08 | 37 | SVO |
| -1 | 11.0 | 2441907 | 1973-08-12 | 2441880 | 1973-07-16 | 27 | AAVSO |
| 0 | 11.2 | 2442382 | 1974-11-30 | 2442376 | 1974-11-24 | 6 | SVO |
| 1 | 10.7 | 2442885 | 1976-04-16 | 2442872 | 1976-04-03 | 13 | SVO |
| 2 | 10.1 | 2443367 | 1977-08-11 | 2443367 | 1977-08-11 | 0 | SVO |
| 3 | 10.7 | 2443855 | 1978-12-12 | 2443863 | 1978-12-20 | -8 | SVO |
| 4 | 10.2 | 2444343 | 1980-04-13 | 2444359 | 1980-04-29 | -16 | SVO |
| 5 | 10.9 | 2444847 | 1981-08-30 | 2444855 | 1981-09-07 | -8 | SVO |
| 6 | 10.5 | 2445361 | 1983-01-26 | 2445350 | 1983-01-15 | 11 | SVO |
| 7 | 9.7 | 2445842 | 1984-05-21 | 2445846 | 1984-05-25 | -4 | SVO |
| 8 | 10.6 | 2446351 | 1985-10-12 | 2446342 | 1985-10-03 | 9 | SVO |
| 9 | 10.0 | 2446874 | 1987-03-19 | 2446837 | 1987-02-10 | 37 | SVO |
| 10 | 10.2 | 2447368 | 1988-07-25 | 2447333 | 1988-06-20 | 35 | SVO |
| 11 | 10.6 | 2447890 | 1989-12-29 | 2447829 | 1989-10-29 | 61 | SVO |
| 12 | 10.1 | 2448389 | 1991-05-12 | 2448325 | 1991-03-09 | 64 | SVO |
| 13 | 10.3 | 2448895 | 1992-09-29 | 2448820 | 1992-07-16 | 75 | SVO |
| 14 | 9.5 | 2449399 | 1994-02-15 | 2449316 | 1993-11-24 | 83 | SVO |
| 15 | 10.3 | 2449901 | 1995-07-02 | 2449812 | 1995-04-04 | 89 | SVO |
| 16 | 10.2 | 2450413 | 1996-11-25 | 2450307 | 1996-08-11 | 106 | SVO |
| 17 | 10.0 | 2450915 | 1998-04-11 | 2450803 | 1997-12-20 | 112 | SVO |
| 18 | 9.8 | 2451412 | 1999-08-21 | 2451299 | 1999-04-30 | 113 | SVO |
| 19 | 9.6 | 2451904 | 2000-12-25 | 2451794 | 2000-09-06 | 110 | SVO |
| 20 | 10.3 | 2452399 | 2002-05-04 | 2452290 | 2002-01-15 | 109 | SVO |
| 21 | 9.8 | 2452891 | 2003-09-08 | 2452786 | 2003-05-26 | 105 | SVO |
| 22 | 10.6 | 2453386 | 2005-01-15 | 2453282 | 2004-10-03 | 104 | SVO |
| 23 | 9.5 | 2453874 | 2006-05-18 | 2453777 | 2006-02-10 | 97 | SVO |
| 24 | 11.2 | 2454362 | 2007-09-18 | 2454273 | 2007-06-21 | 89 | SVO |
| 25 | 10.4 | 2454848 | 2009-01-16 | 2454769 | 2008-10-29 | 79 | SVO |
| 26 | 10.1 | 2455339 | 2010-05-22 | 2455264 | 2010-03-08 | 75 | SVO |
| 27 | 10.2 | 2455841 | 2011-10-06 | 2455760 | 2011-07-17 | 81 | SVO |
| 28 | 10.5 | 2456332 | 2013-02-08 | 2456256 | 2012-11-24 | 76 | SVO |
| 29 | 10.1 | 2456820 | 2014-06-11 | 2456752 | 2014-04-04 | 68 | SVO |
| 30 | 10.1 | 2457317 | 2015-10-21 | 2457247 | 2015-08-12 | 70 | SVO |
| 31 | 10.1 | 2457811 | 2017-02-26 | 2457743 | 2016-12-20 | 68 | SVO |
| 32 | 9.8 | 2458301 | 2018-07-01 | 2458239 | 2018-04-30 | 62 | SVO |
| 33 | 9.3 | 2458797 | 2019-11-09 | 2458734 | 2019-09-07 | 63 | SVO |
| 34 | 10.7 | 2459285 | 2021-03-11 | 2459230 | 2021-01-15 | 55 | SVO |
| 35 | 10.1 | 2459786 | 2022-07-25 | 2459726 | 2022-05-26 | 60 | 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. |