| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -58 | 2415295 | 1900-10-02 | 2415313 | 1900-10-20 | -18 | AnHar, 1909, vol 55, p 95 | |
| -56 | 2416260 | 1903-05-25 | 2416319 | 1903-07-23 | -59 | AnHar, 1909, vol 55, p 95 | |
| -55 | 9.8 | 2416759 | 1904-10-05 | 2416822 | 1904-12-07 | -63 | AAVSO |
| -54 | 2417263 | 1906-02-21 | 2417325 | 1906-04-24 | -62 | AAVSO | |
| -53 | 9.5 | 2417834 | 1907-09-15 | 2417828 | 1907-09-09 | 6 | AAVSO |
| -52 | 2418299 | 1908-12-23 | 2418331 | 1909-01-24 | -32 | AAVSO | |
| -51 | 2418799 | 1910-05-07 | 2418834 | 1910-06-11 | -35 | AAVSO | |
| -50 | 9.7 | 2419316 | 1911-10-06 | 2419337 | 1911-10-27 | -21 | AAVSO |
| -49 | 12.5 | 2419847 | 1913-03-20 | 2419840 | 1913-03-13 | 7 | AAVSO |
| -48 | 13.1 | 2420355 | 1914-08-10 | 2420342 | 1914-07-28 | 13 | AAVSO |
| -47 | 11.6 | 2420827 | 1915-11-25 | 2420845 | 1915-12-13 | -18 | SVO |
| -46 | 13.1 | 2421373 | 1917-05-24 | 2421348 | 1917-04-29 | 25 | AAVSO |
| -45 | 12.2 | 2421857 | 1918-09-20 | 2421851 | 1918-09-14 | 6 | SVO |
| -44 | 12.0 | 2422409 | 1920-03-25 | 2422354 | 1920-01-30 | 55 | AAVSO |
| -43 | 11.6 | 2422874 | 1921-07-03 | 2422857 | 1921-06-16 | 17 | SVO |
| -42 | 11.7 | 2423369 | 1922-11-10 | 2423360 | 1922-11-01 | 9 | SVO |
| -41 | 11.2 | 2423897 | 1924-04-21 | 2423863 | 1924-03-18 | 34 | AAVSO |
| -40 | 12.4 | 2424401 | 1925-09-07 | 2424366 | 1925-08-03 | 35 | AAVSO |
| -39 | 12.3 | 2424899 | 1927-01-18 | 2424869 | 1926-12-19 | 30 | AAVSO |
| -38 | 12.6 | 2425420 | 1928-06-22 | 2425372 | 1928-05-05 | 48 | AAVSO |
| -37 | 2425926 | 1929-11-10 | 2425875 | 1929-09-20 | 51 | AAVSO | |
| -36 | 2426416 | 1931-03-15 | 2426378 | 1931-02-05 | 38 | AAVSO | |
| -35 | 11.4 | 2426919 | 1932-07-30 | 2426881 | 1932-06-22 | 38 | AAVSO |
| -34 | 2427417 | 1933-12-10 | 2427384 | 1933-11-07 | 33 | AAVSO | |
| -33 | 12.0 | 2427897 | 1935-04-04 | 2427887 | 1935-03-25 | 10 | AAVSO |
| -32 | 12.0 | 2428416 | 1936-09-04 | 2428389 | 1936-08-08 | 27 | AAVSO |
| -31 | 12.4 | 2428926 | 1938-01-27 | 2428892 | 1937-12-24 | 34 | AAVSO |
| -30 | 10.9 | 2429414 | 1939-05-30 | 2429395 | 1939-05-11 | 19 | AAVSO |
| -29 | 10.6 | 2429917 | 1940-10-14 | 2429898 | 1940-09-25 | 19 | AAVSO |
| -28 | 2430408 | 1942-02-17 | 2430401 | 1942-02-10 | 7 | AAVSO | |
| -27 | 11.6 | 2430957 | 1943-08-20 | 2430904 | 1943-06-28 | 53 | AAVSO |
| -25 | 10.4 | 2431923 | 1946-04-12 | 2431910 | 1946-03-30 | 13 | AAVSO |
| -24 | 10.7 | 2432410 | 1947-08-12 | 2432413 | 1947-08-15 | -3 | SVO |
| -23 | 10.9 | 2432902 | 1948-12-16 | 2432916 | 1948-12-30 | -14 | SVO |
| -22 | 10.9 | 2433411 | 1950-05-09 | 2433419 | 1950-05-17 | -8 | AAVSO |
| -21 | 11.0 | 2433921 | 1951-10-01 | 2433922 | 1951-10-02 | -1 | SVO |
| -20 | 10.8 | 2434428 | 1953-02-19 | 2434425 | 1953-02-16 | 3 | AAVSO |
| -19 | 10.2 | 2434930 | 1954-07-06 | 2434928 | 1954-07-04 | 2 | AAVSO |
| -18 | 10.9 | 2435415 | 1955-11-03 | 2435431 | 1955-11-19 | -16 | SVO |
| -17 | 11.6 | 2435939 | 1957-04-10 | 2435934 | 1957-04-05 | 5 | AAVSO |
| -16 | 10.9 | 2436450 | 1958-09-03 | 2436436 | 1958-08-20 | 14 | SVO |
| -15 | 11.3 | 2436947 | 1960-01-13 | 2436939 | 1960-01-05 | 8 | AAVSO |
| -14 | 10.4 | 2437449 | 1961-05-29 | 2437442 | 1961-05-22 | 7 | AAVSO |
| -13 | 10.9 | 2437957 | 1962-10-19 | 2437945 | 1962-10-07 | 12 | SVO |
| -12 | 11.1 | 2438468 | 1964-03-13 | 2438448 | 1964-02-22 | 20 | SVO |
| -11 | 10.7 | 2438961 | 1965-07-19 | 2438951 | 1965-07-09 | 10 | SVO |
| -10 | 10.8 | 2439445 | 1966-11-15 | 2439454 | 1966-11-24 | -9 | SVO |
| -9 | 11.7 | 2439957 | 1968-04-10 | 2439957 | 1968-04-10 | 0 | AAVSO |
| -8 | 12.1 | 2440466 | 1969-09-01 | 2440460 | 1969-08-26 | 6 | SVO |
| -7 | 12.2 | 2440946 | 1970-12-25 | 2440963 | 1971-01-11 | -17 | SVO |
| -6 | 12.8 | 2441448 | 1972-05-10 | 2441466 | 1972-05-28 | -18 | SVO |
| -5 | 12.9 | 2441976 | 1973-10-20 | 2441969 | 1973-10-13 | 7 | SVO |
| -4 | 12.7 | 2442452 | 1975-02-08 | 2442472 | 1975-02-28 | -20 | SVO |
| -3 | 12.8 | 2442921 | 1976-05-22 | 2442975 | 1976-07-15 | -54 | SVO |
| -2 | 12.5 | 2443468 | 1977-11-20 | 2443478 | 1977-11-30 | -10 | AAVSO |
| -1 | 13.5 | 2443970 | 1979-04-06 | 2443981 | 1979-04-17 | -11 | AAVSO |
| 0 | 13.3 | 2444485 | 1980-09-02 | 2444483 | 1980-08-31 | 2 | SVO |
| 1 | 12.7 | 2444957 | 1981-12-18 | 2444986 | 1982-01-16 | -29 | SVO |
| 2 | 12.9 | 2445437 | 1983-04-12 | 2445489 | 1983-06-03 | -52 | AAVSO |
| 3 | 13.3 | 2445967 | 1984-09-23 | 2445992 | 1984-10-18 | -25 | AAVSO |
| 4 | 13.0 | 2446438 | 1986-01-07 | 2446495 | 1986-03-05 | -57 | SVO |
| 5 | 13.3 | 2446959 | 1987-06-12 | 2446998 | 1987-07-21 | -39 | SVO |
| 6 | 12.9 | 2447459 | 1988-10-24 | 2447501 | 1988-12-05 | -42 | SVO |
| 7 | 2447943 | 1990-02-20 | 2448004 | 1990-04-22 | -61 | AAVSO | |
| 8 | 12.9 | 2448452 | 1991-07-14 | 2448507 | 1991-09-07 | -55 | SVO |
| 9 | 2448947 | 1992-11-20 | 2449010 | 1993-01-22 | -63 | AAVSO | |
| 10 | 13.0 | 2449484 | 1994-05-11 | 2449513 | 1994-06-09 | -29 | SVO |
| 11 | 12.6 | 2449977 | 1995-09-16 | 2450016 | 1995-10-25 | -39 | SVO |
| 12 | 2450474 | 1997-01-25 | 2450519 | 1997-03-11 | -45 | AAVSO | |
| 13 | 13.1 | 2450979 | 1998-06-14 | 2451022 | 1998-07-27 | -43 | SVO |
| 14 | 12.5 | 2451508 | 1999-11-25 | 2451525 | 1999-12-12 | -17 | SVO |
| 15 | 2451997 | 2001-03-28 | 2452028 | 2001-04-28 | -31 | AAVSO | |
| 16 | 11.6 | 2452505 | 2002-08-18 | 2452530 | 2002-09-12 | -25 | SVO |
| 17 | 11.7 | 2453008 | 2004-01-03 | 2453033 | 2004-01-28 | -25 | SVO |
| 18 | 12.0 | 2453531 | 2005-06-09 | 2453536 | 2005-06-14 | -5 | SVO |
| 19 | 11.3 | 2454024 | 2006-10-15 | 2454039 | 2006-10-30 | -15 | SVO |
| 20 | 11.6 | 2454539 | 2008-03-13 | 2454542 | 2008-03-16 | -3 | SVO |
| 21 | 12.2 | 2455062 | 2009-08-18 | 2455045 | 2009-08-01 | 17 | SVO |
| 22 | 11.6 | 2455570 | 2011-01-08 | 2455548 | 2010-12-17 | 22 | SVO |
| 23 | 10.7 | 2456076 | 2012-05-28 | 2456051 | 2012-05-03 | 25 | SVO |
| 24 | 12.4 | 2456596 | 2013-10-30 | 2456554 | 2013-09-18 | 42 | SVO |
| 25 | 12.0 | 2457110 | 2015-03-28 | 2457057 | 2015-02-03 | 53 | SVO |
| 26 | 12.3 | 2457609 | 2016-08-08 | 2457560 | 2016-06-20 | 49 | SVO |
| 27 | 12.0 | 2458119 | 2017-12-31 | 2458063 | 2017-11-05 | 56 | SVO |
| 28 | 12.3 | 2458611 | 2019-05-07 | 2458566 | 2019-03-23 | 45 | SVO |
| 29 | 12.1 | 2459115 | 2020-09-22 | 2459069 | 2020-08-07 | 46 | SVO |
| 30 | 12.8 | 2459613 | 2022-02-02 | 2459572 | 2021-12-23 | 41 | SVO |
| 31 | 12.6 | 2460114 | 2023-06-18 | 2460075 | 2023-05-10 | 39 | SVO |
| 32 | 12.3 | 2460605 | 2024-10-21 | 2460577 | 2024-09-23 | 28 | 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. |