| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -74 | 2412800 | 1893-12-02 | 2412844 | 1894-01-15 | -44 | SVO | |
| -69 | 2414970 | 1899-11-11 | 2415023 | 1900-01-03 | -53 | SVO | |
| -68 | 2415430 | 1901-02-14 | 2415459 | 1901-03-15 | -29 | SVO | |
| -67 | 2415860 | 1902-04-20 | 2415895 | 1902-05-25 | -35 | SVO | |
| -66 | 2416300 | 1903-07-04 | 2416331 | 1903-08-04 | -31 | SVO | |
| -65 | 2416720 | 1904-08-27 | 2416767 | 1904-10-13 | -47 | SVO | |
| -64 | 2417169 | 1905-11-19 | 2417203 | 1905-12-23 | -34 | SVO | |
| -63 | 2417600 | 1907-01-24 | 2417638 | 1907-03-03 | -38 | SVO | |
| -62 | 2418031 | 1908-03-30 | 2418074 | 1908-05-12 | -43 | GuL, 1918, 1.1 | |
| -61 | 2418473 | 1909-06-15 | 2418510 | 1909-07-22 | -37 | GuL, 1918, 1.1 | |
| -60 | 2418936 | 1910-09-21 | 2418946 | 1910-10-01 | -10 | AAVSO | |
| -59 | 10.3 | 2419374 | 1911-12-03 | 2419382 | 1911-12-11 | -8 | SVO |
| -58 | 10.3 | 2419822 | 1913-02-23 | 2419817 | 1913-02-18 | 5 | SVO |
| -57 | 9.8 | 2420258 | 1914-05-05 | 2420253 | 1914-04-30 | 5 | SVO |
| -56 | 2420685 | 1915-07-06 | 2420689 | 1915-07-10 | -4 | AAVSO | |
| -55 | 2421100 | 1916-08-24 | 2421125 | 1916-09-18 | -25 | AAVSO | |
| -54 | 9.6 | 2421573 | 1917-12-10 | 2421561 | 1917-11-28 | 12 | SVO |
| -53 | 9.9 | 2422021 | 1919-03-03 | 2421997 | 1919-02-07 | 24 | SVO |
| -52 | 9.5 | 2422466 | 1920-05-21 | 2422432 | 1920-04-17 | 34 | AAVSO |
| -51 | 2422912 | 1921-08-10 | 2422868 | 1921-06-27 | 44 | AAVSO | |
| -50 | 9.6 | 2423346 | 1922-10-18 | 2423304 | 1922-09-06 | 42 | SVO |
| -49 | 9.4 | 2423781 | 1923-12-27 | 2423740 | 1923-11-16 | 41 | SVO |
| -48 | 10.1 | 2424226 | 1925-03-16 | 2424176 | 1925-01-25 | 50 | SVO |
| -47 | 9.3 | 2424652 | 1926-05-16 | 2424612 | 1926-04-06 | 40 | SVO |
| -46 | 9.7 | 2425089 | 1927-07-27 | 2425047 | 1927-06-15 | 42 | SVO |
| -45 | 9.1 | 2425534 | 1928-10-14 | 2425483 | 1928-08-24 | 51 | SVO |
| -44 | 10.5 | 2425972 | 1929-12-26 | 2425919 | 1929-11-03 | 53 | SVO |
| -43 | 9.4 | 2426401 | 1931-02-28 | 2426355 | 1931-01-13 | 46 | SVO |
| -42 | 9.4 | 2426843 | 1932-05-15 | 2426791 | 1932-03-24 | 52 | SVO |
| -41 | 9.8 | 2427267 | 1933-07-13 | 2427226 | 1933-06-02 | 41 | SVO |
| -40 | 9.8 | 2427699 | 1934-09-18 | 2427662 | 1934-08-12 | 37 | SVO |
| -39 | 9.4 | 2428135 | 1935-11-28 | 2428098 | 1935-10-22 | 37 | SVO |
| -38 | 10.6 | 2428571 | 1937-02-06 | 2428534 | 1936-12-31 | 37 | SVO |
| -37 | 9.4 | 2428982 | 1938-03-24 | 2428970 | 1938-03-12 | 12 | SVO |
| -36 | 9.4 | 2429412 | 1939-05-28 | 2429406 | 1939-05-22 | 6 | SVO |
| -35 | 9.3 | 2429841 | 1940-07-30 | 2429841 | 1940-07-30 | 0 | AAVSO |
| -34 | 9.4 | 2430266 | 1941-09-28 | 2430277 | 1941-10-09 | -11 | AAVSO |
| -33 | 9.7 | 2430710 | 1942-12-16 | 2430713 | 1942-12-19 | -3 | AAVSO |
| -32 | 10.0 | 2431132 | 1944-02-11 | 2431149 | 1944-02-28 | -17 | AAVSO |
| -31 | 9.4 | 2431568 | 1945-04-22 | 2431585 | 1945-05-09 | -17 | AAVSO |
| -30 | 2431996 | 1946-06-24 | 2432021 | 1946-07-19 | -25 | AAVSO | |
| -29 | 9.8 | 2432436 | 1947-09-07 | 2432456 | 1947-09-27 | -20 | AAVSO |
| -28 | 8.9 | 2432874 | 1948-11-18 | 2432892 | 1948-12-06 | -18 | SVO |
| -27 | 10.0 | 2433310 | 1950-01-28 | 2433328 | 1950-02-15 | -18 | SVO |
| -26 | 9.6 | 2433744 | 1951-04-07 | 2433764 | 1951-04-27 | -20 | SVO |
| -25 | 10.3 | 2434178 | 1952-06-14 | 2434200 | 1952-07-06 | -22 | SVO |
| -24 | 9.8 | 2434610 | 1953-08-20 | 2434635 | 1953-09-14 | -25 | AAVSO |
| -23 | 9.9 | 2435045 | 1954-10-29 | 2435071 | 1954-11-24 | -26 | AAVSO |
| -22 | 9.8 | 2435481 | 1956-01-08 | 2435507 | 1956-02-03 | -26 | SVO |
| -21 | 9.3 | 2435916 | 1957-03-18 | 2435943 | 1957-04-14 | -27 | SVO |
| -20 | 9.7 | 2436339 | 1958-05-15 | 2436379 | 1958-06-24 | -40 | SVO |
| -19 | 9.7 | 2436780 | 1959-07-30 | 2436815 | 1959-09-03 | -35 | SVO |
| -18 | 9.8 | 2437228 | 1960-10-20 | 2437250 | 1960-11-11 | -22 | AAVSO |
| -17 | 9.8 | 2437674 | 1962-01-09 | 2437686 | 1962-01-21 | -12 | SVO |
| -16 | 9.3 | 2438114 | 1963-03-25 | 2438122 | 1963-04-02 | -8 | SVO |
| -15 | 9.6 | 2438565 | 1964-06-18 | 2438558 | 1964-06-11 | 7 | SVO |
| -14 | 9.5 | 2439006 | 1965-09-02 | 2438994 | 1965-08-21 | 12 | SVO |
| -13 | 9.2 | 2439446 | 1966-11-16 | 2439430 | 1966-10-31 | 16 | SVO |
| -12 | 10.1 | 2439889 | 1968-02-02 | 2439865 | 1968-01-09 | 24 | SVO |
| -11 | 10.7 | 2440334 | 1969-04-22 | 2440301 | 1969-03-20 | 33 | SVO |
| -10 | 9.4 | 2440767 | 1970-06-29 | 2440737 | 1970-05-30 | 30 | SVO |
| -9 | 10.0 | 2441202 | 1971-09-07 | 2441173 | 1971-08-09 | 29 | AAVSO |
| -8 | 10.0 | 2441664 | 1972-12-12 | 2441609 | 1972-10-18 | 55 | SVO |
| -7 | 10.9 | 2442092 | 1974-02-13 | 2442044 | 1973-12-27 | 48 | SVO |
| -6 | 10.0 | 2442524 | 1975-04-21 | 2442480 | 1975-03-08 | 44 | SVO |
| -5 | 10.0 | 2442955 | 1976-06-25 | 2442916 | 1976-05-17 | 39 | SVO |
| -4 | 10.0 | 2443383 | 1977-08-27 | 2443352 | 1977-07-27 | 31 | SVO |
| -3 | 10.5 | 2443812 | 1978-10-30 | 2443788 | 1978-10-06 | 24 | SVO |
| -2 | 10.1 | 2444253 | 1980-01-14 | 2444224 | 1979-12-16 | 29 | SVO |
| -1 | 10.6 | 2444679 | 1981-03-15 | 2444659 | 1981-02-23 | 20 | SVO |
| 0 | 10.0 | 2445119 | 1982-05-29 | 2445095 | 1982-05-05 | 24 | SVO |
| 1 | 9.9 | 2445539 | 1983-07-23 | 2445531 | 1983-07-15 | 8 | SVO |
| 2 | 10.1 | 2445974 | 1984-09-30 | 2445967 | 1984-09-23 | 7 | SVO |
| 3 | 10.6 | 2446405 | 1985-12-05 | 2446403 | 1985-12-03 | 2 | SVO |
| 4 | 9.9 | 2446832 | 1987-02-05 | 2446839 | 1987-02-12 | -7 | SVO |
| 5 | 10.6 | 2447260 | 1988-04-08 | 2447274 | 1988-04-22 | -14 | SVO |
| 6 | 9.5 | 2447688 | 1989-06-10 | 2447710 | 1989-07-02 | -22 | SVO |
| 7 | 10.1 | 2448112 | 1990-08-08 | 2448146 | 1990-09-11 | -34 | SVO |
| 8 | 9.7 | 2448546 | 1991-10-16 | 2448582 | 1991-11-21 | -36 | SVO |
| 9 | 9.9 | 2448986 | 1992-12-29 | 2449018 | 1993-01-30 | -32 | SVO |
| 10 | 9.5 | 2449413 | 1994-03-01 | 2449453 | 1994-04-10 | -40 | SVO |
| 11 | 9.7 | 2449845 | 1995-05-07 | 2449889 | 1995-06-20 | -44 | SVO |
| 12 | 10.3 | 2450282 | 1996-07-17 | 2450325 | 1996-08-29 | -43 | SVO |
| 13 | 9.6 | 2450721 | 1997-09-29 | 2450761 | 1997-11-08 | -40 | SVO |
| 14 | 10.0 | 2451160 | 1998-12-12 | 2451197 | 1999-01-18 | -37 | SVO |
| 15 | 9.5 | 2451611 | 2000-03-07 | 2451633 | 2000-03-29 | -22 | SVO |
| 16 | 9.6 | 2452041 | 2001-05-11 | 2452068 | 2001-06-07 | -27 | SVO |
| 17 | 9.7 | 2452490 | 2002-08-03 | 2452504 | 2002-08-17 | -14 | SVO |
| 18 | 9.2 | 2452919 | 2003-10-06 | 2452940 | 2003-10-27 | -21 | SVO |
| 19 | 9.5 | 2453357 | 2004-12-17 | 2453376 | 2005-01-05 | -19 | SVO |
| 20 | 9.7 | 2453802 | 2006-03-07 | 2453812 | 2006-03-17 | -10 | SVO |
| 21 | 9.4 | 2454238 | 2007-05-17 | 2454248 | 2007-05-27 | -10 | SVO |
| 22 | 9.5 | 2454687 | 2008-08-08 | 2454683 | 2008-08-04 | 4 | SVO |
| 23 | 9.1 | 2455120 | 2009-10-15 | 2455119 | 2009-10-14 | 1 | SVO |
| 24 | 9.7 | 2455562 | 2010-12-31 | 2455555 | 2010-12-24 | 7 | SVO |
| 25 | 9.9 | 2456001 | 2012-03-14 | 2455991 | 2012-03-04 | 10 | SVO |
| 26 | 9.5 | 2456438 | 2013-05-25 | 2456427 | 2013-05-14 | 11 | SVO |
| 27 | 9.5 | 2456876 | 2014-08-06 | 2456862 | 2014-07-23 | 14 | SVO |
| 28 | 9.6 | 2457309 | 2015-10-13 | 2457298 | 2015-10-02 | 11 | SVO |
| 29 | 9.5 | 2457751 | 2016-12-28 | 2457734 | 2016-12-11 | 17 | SVO |
| 30 | 9.4 | 2458186 | 2018-03-08 | 2458170 | 2018-02-20 | 16 | SVO |
| 31 | 9.8 | 2458619 | 2019-05-15 | 2458606 | 2019-05-02 | 13 | SVO |
| 32 | 9.0 | 2459042 | 2020-07-11 | 2459042 | 2020-07-11 | 0 | SVO |
| 33 | 9.7 | 2459486 | 2021-09-28 | 2459477 | 2021-09-19 | 9 | SVO |
| 34 | 9.5 | 2459910 | 2022-11-26 | 2459913 | 2022-11-29 | -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. |