| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -61 | 2413069 | 1894-08-28 | 2413054 | 1894-08-13 | 15 | AN, 1909, vol 182, p 309 | |
| -56 | 2415140 | 1900-04-30 | 2415161 | 1900-05-21 | -21 | AN, 1909, vol 182, p 309 | |
| -55 | 2415545 | 1901-06-09 | 2415582 | 1901-07-16 | -37 | AN, 1909, vol 182, p 309 | |
| -48 | 2418475 | 1909-06-17 | 2418531 | 1909-08-12 | -56 | AN, 1909, vol 182, p 309 | |
| -38 | 2422800 | 1921-04-20 | 2422744 | 1921-02-23 | 56 | SVO | |
| -36 | 2423630 | 1923-07-29 | 2423587 | 1923-06-16 | 43 | SVO | |
| -33 | 11.2 | 2424902 | 1927-01-21 | 2424851 | 1926-12-01 | 51 | SVO |
| -32 | 2425323 | 1928-03-17 | 2425272 | 1928-01-26 | 51 | LAstr, 1929, vol 43, p 506 | |
| -31 | 11.0 | 2425735 | 1929-05-03 | 2425694 | 1929-03-23 | 41 | SVO |
| -30 | 10.8 | 2426154 | 1930-06-26 | 2426115 | 1930-05-18 | 39 | SVO |
| -29 | 11.2 | 2426574 | 1931-08-20 | 2426536 | 1931-07-13 | 38 | SVO |
| -28 | 11.4 | 2426994 | 1932-10-13 | 2426958 | 1932-09-07 | 36 | AAVSO |
| -27 | 11.0 | 2427406 | 1933-11-29 | 2427379 | 1933-11-02 | 27 | AAVSO |
| -26 | 11.0 | 2427833 | 1935-01-30 | 2427800 | 1934-12-28 | 33 | SVO |
| -25 | 11.5 | 2428236 | 1936-03-08 | 2428222 | 1936-02-23 | 14 | SVO |
| -24 | 11.3 | 2428640 | 1937-04-16 | 2428643 | 1937-04-19 | -3 | SVO |
| -23 | 10.9 | 2429066 | 1938-06-16 | 2429064 | 1938-06-14 | 2 | SVO |
| -22 | 11.2 | 2429482 | 1939-08-06 | 2429485 | 1939-08-09 | -3 | AAVSO |
| -21 | 10.9 | 2429903 | 1940-09-30 | 2429907 | 1940-10-04 | -4 | AAVSO |
| -20 | 10.8 | 2430327 | 1941-11-28 | 2430328 | 1941-11-29 | -1 | AAVSO |
| -19 | 10.6 | 2430734 | 1943-01-09 | 2430749 | 1943-01-24 | -15 | AAVSO |
| -18 | 11.5 | 2431158 | 1944-03-08 | 2431171 | 1944-03-21 | -13 | AAVSO |
| -17 | 11.2 | 2431581 | 1945-05-05 | 2431592 | 1945-05-16 | -11 | SVO |
| -16 | 11.9 | 2431993 | 1946-06-21 | 2432013 | 1946-07-11 | -20 | SVO |
| -15 | 11.0 | 2432409 | 1947-08-11 | 2432435 | 1947-09-06 | -26 | SVO |
| -14 | 11.2 | 2432840 | 1948-10-15 | 2432856 | 1948-10-31 | -16 | SVO |
| -13 | 11.2 | 2433254 | 1949-12-03 | 2433277 | 1949-12-26 | -23 | SVO |
| -12 | 11.3 | 2433683 | 1951-02-05 | 2433699 | 1951-02-21 | -16 | SVO |
| -11 | 12.4 | 2434103 | 1952-03-31 | 2434120 | 1952-04-17 | -17 | AAVSO |
| -10 | 10.9 | 2434521 | 1953-05-23 | 2434541 | 1953-06-12 | -20 | SVO |
| -9 | 11.9 | 2434936 | 1954-07-12 | 2434963 | 1954-08-08 | -27 | SVO |
| -8 | 10.9 | 2435360 | 1955-09-09 | 2435384 | 1955-10-03 | -24 | SVO |
| -7 | 12.4 | 2435773 | 1956-10-26 | 2435805 | 1956-11-27 | -32 | AAVSO |
| -6 | 11.0 | 2436194 | 1957-12-21 | 2436227 | 1958-01-23 | -33 | SVO |
| -5 | 11.3 | 2436625 | 1959-02-25 | 2436648 | 1959-03-20 | -23 | SVO |
| -4 | 12.7 | 2437049 | 1960-04-24 | 2437069 | 1960-05-14 | -20 | AAVSO |
| -3 | 11.4 | 2437455 | 1961-06-04 | 2437490 | 1961-07-09 | -35 | SVO |
| -2 | 11.6 | 2437896 | 1962-08-19 | 2437912 | 1962-09-04 | -16 | SVO |
| -1 | 11.3 | 2438316 | 1963-10-13 | 2438333 | 1963-10-30 | -17 | SVO |
| 0 | 11.6 | 2438739 | 1964-12-09 | 2438754 | 1964-12-24 | -15 | SVO |
| 1 | 11.3 | 2439164 | 1966-02-07 | 2439176 | 1966-02-19 | -12 | SVO |
| 2 | 11.5 | 2439593 | 1967-04-12 | 2439597 | 1967-04-16 | -4 | SVO |
| 3 | 11.0 | 2440008 | 1968-05-31 | 2440018 | 1968-06-10 | -10 | SVO |
| 4 | 2440427 | 1969-07-24 | 2440440 | 1969-08-06 | -13 | AAVSO | |
| 5 | 2440837 | 1970-09-07 | 2440861 | 1970-10-01 | -24 | AAVSO | |
| 6 | 2441262 | 1971-11-06 | 2441282 | 1971-11-26 | -20 | AAVSO | |
| 7 | 10.8 | 2441715 | 1973-02-01 | 2441704 | 1973-01-21 | 11 | AAVSO |
| 8 | 10.9 | 2442162 | 1974-04-24 | 2442125 | 1974-03-18 | 37 | SVO |
| 9 | 11.4 | 2442581 | 1975-06-17 | 2442546 | 1975-05-13 | 35 | SVO |
| 10 | 10.9 | 2443002 | 1976-08-11 | 2442968 | 1976-07-08 | 34 | AAVSO |
| 11 | 12.1 | 2443418 | 1977-10-01 | 2443389 | 1977-09-02 | 29 | AAVSO |
| 12 | 11.2 | 2443836 | 1978-11-23 | 2443810 | 1978-10-28 | 26 | AAVSO |
| 13 | 10.8 | 2444261 | 1980-01-22 | 2444232 | 1979-12-24 | 29 | AAVSO |
| 14 | 11.7 | 2444691 | 1981-03-27 | 2444653 | 1981-02-17 | 38 | SVO |
| 15 | 11.1 | 2445101 | 1982-05-11 | 2445074 | 1982-04-14 | 27 | SVO |
| 16 | 12.4 | 2445515 | 1983-06-29 | 2445496 | 1983-06-10 | 19 | AAVSO |
| 17 | 11.1 | 2445927 | 1984-08-14 | 2445917 | 1984-08-04 | 10 | SVO |
| 18 | 2446339 | 1985-09-30 | 2446338 | 1985-09-29 | 1 | AAVSO | |
| 19 | 11.8 | 2446754 | 1986-11-19 | 2446759 | 1986-11-24 | -5 | AAVSO |
| 20 | 2447183 | 1988-01-22 | 2447181 | 1988-01-20 | 2 | AAVSO | |
| 21 | 11.2 | 2447581 | 1989-02-23 | 2447602 | 1989-03-16 | -21 | SVO |
| 22 | 11.0 | 2447981 | 1990-03-30 | 2448023 | 1990-05-11 | -42 | SVO |
| 23 | 11.2 | 2448411 | 1991-06-03 | 2448445 | 1991-07-07 | -34 | SVO |
| 24 | 12.0 | 2448849 | 1992-08-14 | 2448866 | 1992-08-31 | -17 | SVO |
| 25 | 2449267 | 1993-10-06 | 2449287 | 1993-10-26 | -20 | AAVSO | |
| 26 | 2449676 | 1994-11-19 | 2449709 | 1994-12-22 | -33 | AAVSO | |
| 27 | 2450090 | 1996-01-07 | 2450130 | 1996-02-16 | -40 | AAVSO | |
| 28 | 2450504 | 1997-02-24 | 2450551 | 1997-04-12 | -47 | AAVSO | |
| 29 | 11.6 | 2450935 | 1998-05-01 | 2450973 | 1998-06-08 | -38 | SVO |
| 30 | 11.5 | 2451368 | 1999-07-08 | 2451394 | 1999-08-03 | -26 | SVO |
| 31 | 11.7 | 2451785 | 2000-08-28 | 2451815 | 2000-09-27 | -30 | SVO |
| 32 | 11.1 | 2452220 | 2001-11-06 | 2452237 | 2001-11-23 | -17 | SVO |
| 33 | 11.8 | 2452657 | 2003-01-17 | 2452658 | 2003-01-18 | -1 | SVO |
| 34 | 11.1 | 2453071 | 2004-03-06 | 2453079 | 2004-03-14 | -8 | SVO |
| 35 | 11.1 | 2453501 | 2005-05-10 | 2453501 | 2005-05-10 | 0 | SVO |
| 36 | 11.2 | 2453918 | 2006-07-01 | 2453922 | 2006-07-05 | -4 | SVO |
| 37 | 2454358 | 2007-09-14 | 2454343 | 2007-08-30 | 15 | AAVSO | |
| 38 | 11.3 | 2454776 | 2008-11-05 | 2454764 | 2008-10-24 | 12 | SVO |
| 39 | 2455205 | 2010-01-08 | 2455186 | 2009-12-20 | 19 | AAVSO | |
| 40 | 11.3 | 2455632 | 2011-03-11 | 2455607 | 2011-02-14 | 25 | AAVSO |
| 41 | 11.1 | 2456048 | 2012-04-30 | 2456028 | 2012-04-10 | 20 | AAVSO |
| 42 | 11.8 | 2456478 | 2013-07-04 | 2456450 | 2013-06-06 | 28 | AAVSO |
| 43 | 11.2 | 2456886 | 2014-08-16 | 2456871 | 2014-08-01 | 15 | AAVSO |
| 44 | 2457311 | 2015-10-15 | 2457292 | 2015-09-26 | 19 | AAVSO | |
| 45 | 11.3 | 2457742 | 2016-12-19 | 2457714 | 2016-11-21 | 28 | SVO |
| 46 | 11.2 | 2458163 | 2018-02-13 | 2458135 | 2018-01-16 | 28 | SVO |
| 47 | 11.7 | 2458588 | 2019-04-14 | 2458556 | 2019-03-13 | 32 | SVO |
| 48 | 11.1 | 2458982 | 2020-05-12 | 2458978 | 2020-05-08 | 4 | SVO |
| 49 | 11.4 | 2459404 | 2021-07-08 | 2459399 | 2021-07-03 | 5 | SVO |
| 50 | 11.4 | 2459808 | 2022-08-16 | 2459820 | 2022-08-28 | -12 | SVO |
| 51 | 11.7 | 2460265 | 2023-11-16 | 2460242 | 2023-10-24 | 23 | SVO |
| 52 | 11.8 | 2460668 | 2024-12-23 | 2460663 | 2024-12-18 | 5 | 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. |