| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -70 | 2416714 | 1904-08-21 | 2416704 | 1904-08-11 | 10 | AAVSO | |
| -68 | 10.5 | 2417480 | 1906-09-26 | 2417473 | 1906-09-19 | 7 | AAVSO |
| -67 | 9.8 | 2417859 | 1907-10-10 | 2417857 | 1907-10-08 | 2 | AAVSO |
| -66 | 9.9 | 2418223 | 1908-10-08 | 2418241 | 1908-10-26 | -18 | AAVSO |
| -65 | 2418621 | 1909-11-10 | 2418625 | 1909-11-14 | -4 | AAVSO | |
| -64 | 2419005 | 1910-11-29 | 2419010 | 1910-12-04 | -5 | SVO | |
| -63 | 10.6 | 2419385 | 1911-12-14 | 2419394 | 1911-12-23 | -9 | SVO |
| -62 | 10.4 | 2419768 | 1912-12-31 | 2419778 | 1913-01-10 | -10 | SVO |
| -61 | 9.7 | 2420133 | 1913-12-31 | 2420163 | 1914-01-30 | -30 | AAVSO |
| -60 | 10.4 | 2420530 | 1915-02-01 | 2420547 | 1915-02-18 | -17 | AAVSO |
| -59 | 10.6 | 2420921 | 1916-02-27 | 2420931 | 1916-03-08 | -10 | AAVSO |
| -58 | 10.1 | 2421293 | 1917-03-05 | 2421315 | 1917-03-27 | -22 | AAVSO |
| -57 | 10.1 | 2421678 | 1918-03-25 | 2421700 | 1918-04-16 | -22 | SVO |
| -56 | 9.3 | 2422054 | 1919-04-05 | 2422084 | 1919-05-05 | -30 | AAVSO |
| -55 | 10.3 | 2422456 | 1920-05-11 | 2422468 | 1920-05-23 | -12 | SVO |
| -54 | 9.9 | 2422844 | 1921-06-03 | 2422853 | 1921-06-12 | -9 | SVO |
| -53 | 10.2 | 2423238 | 1922-07-02 | 2423237 | 1922-07-01 | 1 | SVO |
| -52 | 10.4 | 2423641 | 1923-08-09 | 2423621 | 1923-07-20 | 20 | SVO |
| -51 | 10.2 | 2424032 | 1924-09-03 | 2424005 | 1924-08-07 | 27 | SVO |
| -50 | 10.5 | 2424423 | 1925-09-29 | 2424390 | 1925-08-27 | 33 | SVO |
| -49 | 9.8 | 2424814 | 1926-10-25 | 2424774 | 1926-09-15 | 40 | SVO |
| -48 | 10.8 | 2425197 | 1927-11-12 | 2425158 | 1927-10-04 | 39 | SVO |
| -47 | 10.5 | 2425586 | 1928-12-05 | 2425543 | 1928-10-23 | 43 | SVO |
| -46 | 11.2 | 2425972 | 1929-12-26 | 2425927 | 1929-11-11 | 45 | SVO |
| -45 | 10.1 | 2426350 | 1931-01-08 | 2426311 | 1930-11-30 | 39 | SVO |
| -44 | 10.8 | 2426737 | 1932-01-30 | 2426695 | 1931-12-19 | 42 | SVO |
| -43 | 10.1 | 2427122 | 1933-02-18 | 2427080 | 1933-01-07 | 42 | AAVSO |
| -42 | 10.4 | 2427498 | 1934-03-01 | 2427464 | 1934-01-26 | 34 | AAVSO |
| -41 | 9.7 | 2427885 | 1935-03-23 | 2427848 | 1935-02-14 | 37 | SVO |
| -40 | 11.1 | 2428263 | 1936-04-04 | 2428233 | 1936-03-05 | 30 | AAVSO |
| -39 | 9.4 | 2428644 | 1937-04-20 | 2428617 | 1937-03-24 | 27 | AAVSO |
| -38 | 11.8 | 2429035 | 1938-05-16 | 2429001 | 1938-04-12 | 34 | AAVSO |
| -37 | 11.1 | 2429401 | 1939-05-17 | 2429385 | 1939-05-01 | 16 | AAVSO |
| -36 | 2429772 | 1940-05-22 | 2429770 | 1940-05-20 | 2 | AAVSO | |
| -35 | 2430148 | 1941-06-02 | 2430154 | 1941-06-08 | -6 | AAVSO | |
| -34 | 10.0 | 2430528 | 1942-06-17 | 2430538 | 1942-06-27 | -10 | AAVSO |
| -33 | 9.3 | 2430908 | 1943-07-02 | 2430923 | 1943-07-17 | -15 | AAVSO |
| -32 | 2431290 | 1944-07-18 | 2431307 | 1944-08-04 | -17 | SVO | |
| -31 | 10.3 | 2431671 | 1945-08-03 | 2431691 | 1945-08-23 | -20 | AAVSO |
| -30 | 10.7 | 2432056 | 1946-08-23 | 2432075 | 1946-09-11 | -19 | AAVSO |
| -29 | 10.0 | 2432436 | 1947-09-07 | 2432460 | 1947-10-01 | -24 | SVO |
| -28 | 10.1 | 2432818 | 1948-09-23 | 2432844 | 1948-10-19 | -26 | SVO |
| -27 | 10.5 | 2433203 | 1949-10-13 | 2433228 | 1949-11-07 | -25 | SVO |
| -26 | 10.5 | 2433593 | 1950-11-07 | 2433613 | 1950-11-27 | -20 | SVO |
| -25 | 9.6 | 2433963 | 1951-11-12 | 2433997 | 1951-12-16 | -34 | SVO |
| -24 | 11.0 | 2434359 | 1952-12-12 | 2434381 | 1953-01-03 | -22 | SVO |
| -23 | 10.9 | 2434750 | 1954-01-07 | 2434765 | 1954-01-22 | -15 | SVO |
| -22 | 10.1 | 2435136 | 1955-01-28 | 2435150 | 1955-02-11 | -14 | SVO |
| -21 | 10.7 | 2435521 | 1956-02-17 | 2435534 | 1956-03-01 | -13 | AAVSO |
| -20 | 10.6 | 2435915 | 1957-03-17 | 2435918 | 1957-03-20 | -3 | SVO |
| -19 | 10.5 | 2436308 | 1958-04-14 | 2436303 | 1958-04-09 | 5 | SVO |
| -18 | 10.0 | 2436685 | 1959-04-26 | 2436687 | 1959-04-28 | -2 | SVO |
| -17 | 10.4 | 2437066 | 1960-05-11 | 2437071 | 1960-05-16 | -5 | SVO |
| -16 | 10.8 | 2437452 | 1961-06-01 | 2437455 | 1961-06-04 | -3 | AAVSO |
| -15 | 9.9 | 2437816 | 1962-05-31 | 2437840 | 1962-06-24 | -24 | SVO |
| -14 | 10.0 | 2438211 | 1963-06-30 | 2438224 | 1963-07-13 | -13 | AAVSO |
| -13 | 10.7 | 2438597 | 1964-07-20 | 2438608 | 1964-07-31 | -11 | AAVSO |
| -12 | 10.8 | 2438977 | 1965-08-04 | 2438993 | 1965-08-20 | -16 | AAVSO |
| -11 | 9.8 | 2439352 | 1966-08-14 | 2439377 | 1966-09-08 | -25 | SVO |
| -10 | 10.1 | 2439736 | 1967-09-02 | 2439761 | 1967-09-27 | -25 | SVO |
| -9 | 10.1 | 2440117 | 1968-09-17 | 2440145 | 1968-10-15 | -28 | SVO |
| -8 | 11.0 | 2440500 | 1969-10-05 | 2440530 | 1969-11-04 | -30 | SVO |
| -7 | 10.2 | 2440892 | 1970-11-01 | 2440914 | 1970-11-23 | -22 | SVO |
| -6 | 9.9 | 2441257 | 1971-11-01 | 2441298 | 1971-12-12 | -41 | SVO |
| -5 | 10.0 | 2441656 | 1972-12-04 | 2441683 | 1972-12-31 | -27 | SVO |
| -4 | 10.1 | 2442042 | 1973-12-25 | 2442067 | 1974-01-19 | -25 | SVO |
| -3 | 10.6 | 2442427 | 1975-01-14 | 2442451 | 1975-02-07 | -24 | SVO |
| -2 | 9.8 | 2442826 | 1976-02-17 | 2442835 | 1976-02-26 | -9 | SVO |
| -1 | 10.9 | 2443217 | 1977-03-14 | 2443220 | 1977-03-17 | -3 | SVO |
| 0 | 10.2 | 2443608 | 1978-04-09 | 2443604 | 1978-04-05 | 4 | SVO |
| 1 | 10.4 | 2443996 | 1979-05-02 | 2443988 | 1979-04-24 | 8 | SVO |
| 2 | 10.0 | 2444382 | 1980-05-22 | 2444373 | 1980-05-13 | 9 | SVO |
| 3 | 10.7 | 2444766 | 1981-06-10 | 2444757 | 1981-06-01 | 9 | SVO |
| 4 | 10.6 | 2445156 | 1982-07-05 | 2445141 | 1982-06-20 | 15 | SVO |
| 5 | 9.9 | 2445533 | 1983-07-17 | 2445525 | 1983-07-09 | 8 | SVO |
| 6 | 10.1 | 2445930 | 1984-08-17 | 2445910 | 1984-07-28 | 20 | SVO |
| 7 | 10.6 | 2446306 | 1985-08-28 | 2446294 | 1985-08-16 | 12 | SVO |
| 8 | 9.9 | 2446694 | 1986-09-20 | 2446678 | 1986-09-04 | 16 | SVO |
| 9 | 10.8 | 2447088 | 1987-10-19 | 2447063 | 1987-09-24 | 25 | SVO |
| 10 | 10.2 | 2447485 | 1988-11-19 | 2447447 | 1988-10-12 | 38 | SVO |
| 11 | 10.5 | 2447855 | 1989-11-24 | 2447831 | 1989-10-31 | 24 | SVO |
| 12 | 9.8 | 2448239 | 1990-12-13 | 2448215 | 1990-11-19 | 24 | SVO |
| 13 | 11.1 | 2448617 | 1991-12-26 | 2448600 | 1991-12-09 | 17 | SVO |
| 14 | 10.1 | 2449004 | 1993-01-16 | 2448984 | 1992-12-27 | 20 | SVO |
| 15 | 10.9 | 2449387 | 1994-02-03 | 2449368 | 1994-01-15 | 19 | SVO |
| 16 | 10.0 | 2449767 | 1995-02-18 | 2449753 | 1995-02-04 | 14 | SVO |
| 17 | 10.3 | 2450150 | 1996-03-07 | 2450137 | 1996-02-23 | 13 | SVO |
| 18 | 10.0 | 2450525 | 1997-03-17 | 2450521 | 1997-03-13 | 4 | SVO |
| 19 | 11.1 | 2450904 | 1998-03-31 | 2450905 | 1998-04-01 | -1 | SVO |
| 20 | 9.9 | 2451280 | 1999-04-11 | 2451290 | 1999-04-21 | -10 | SVO |
| 21 | 11.1 | 2451675 | 2000-05-10 | 2451674 | 2000-05-09 | 1 | SVO |
| 22 | 10.6 | 2452053 | 2001-05-23 | 2452058 | 2001-05-28 | -5 | SVO |
| 23 | 9.8 | 2452432 | 2002-06-06 | 2452443 | 2002-06-17 | -11 | SVO |
| 24 | 10.7 | 2452811 | 2003-06-20 | 2452827 | 2003-07-06 | -16 | SVO |
| 25 | 10.2 | 2453193 | 2004-07-06 | 2453211 | 2004-07-24 | -18 | SVO |
| 26 | 10.4 | 2453579 | 2005-07-27 | 2453595 | 2005-08-12 | -16 | SVO |
| 27 | 10.0 | 2453957 | 2006-08-09 | 2453980 | 2006-09-01 | -23 | SVO |
| 28 | 10.1 | 2454337 | 2007-08-24 | 2454364 | 2007-09-20 | -27 | SVO |
| 29 | 10.1 | 2454726 | 2008-09-16 | 2454748 | 2008-10-08 | -22 | SVO |
| 30 | 9.9 | 2455102 | 2009-09-27 | 2455133 | 2009-10-28 | -31 | SVO |
| 31 | 9.9 | 2455486 | 2010-10-16 | 2455517 | 2010-11-16 | -31 | SVO |
| 32 | 9.9 | 2455882 | 2011-11-16 | 2455901 | 2011-12-05 | -19 | SVO |
| 33 | 10.6 | 2456272 | 2012-12-10 | 2456285 | 2012-12-23 | -13 | SVO |
| 34 | 10.3 | 2456663 | 2014-01-05 | 2456670 | 2014-01-12 | -7 | SVO |
| 35 | 10.5 | 2457044 | 2015-01-21 | 2457054 | 2015-01-31 | -10 | SVO |
| 36 | 10.1 | 2457440 | 2016-02-21 | 2457438 | 2016-02-19 | 2 | SVO |
| 37 | 10.6 | 2457832 | 2017-03-19 | 2457823 | 2017-03-10 | 9 | SVO |
| 38 | 9.9 | 2458221 | 2018-04-12 | 2458207 | 2018-03-29 | 14 | SVO |
| 39 | 10.0 | 2458618 | 2019-05-14 | 2458591 | 2019-04-17 | 27 | SVO |
| 40 | 11.2 | 2459001 | 2020-05-31 | 2458975 | 2020-05-05 | 26 | SVO |
| 41 | 10.3 | 2459384 | 2021-06-18 | 2459360 | 2021-05-25 | 24 | SVO |
| 42 | 11.1 | 2459777 | 2022-07-16 | 2459744 | 2022-06-13 | 33 | SVO |
| 43 | 9.8 | 2460165 | 2023-08-08 | 2460128 | 2023-07-02 | 37 | SVO |
| 44 | 10.4 | 2460537 | 2024-08-14 | 2460513 | 2024-07-21 | 24 | 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. |