| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -65 | 2412929 | 1894-04-10 | 2412950 | 1894-05-01 | -21 | AnHar, 1937, vol 105, p 459 | |
| -63 | 2413855 | 1896-10-22 | 2413860 | 1896-10-27 | -5 | GuL, 1920, 1.2 | |
| -56 | 9.5 | 2417007 | 1905-06-10 | 2417045 | 1905-07-18 | -38 | AAVSO |
| -55 | 9.6 | 2417457 | 1906-09-03 | 2417500 | 1906-10-16 | -43 | AAVSO |
| -54 | 9.6 | 2417916 | 1907-12-06 | 2417955 | 1908-01-14 | -39 | AAVSO |
| -53 | 10.0 | 2418354 | 1909-02-16 | 2418410 | 1909-04-13 | -56 | AAVSO |
| -52 | 9.5 | 2418836 | 1910-06-13 | 2418866 | 1910-07-13 | -30 | AAVSO |
| -51 | 10.2 | 2419281 | 1911-09-01 | 2419321 | 1911-10-11 | -40 | AAVSO |
| -50 | 9.9 | 2419733 | 1912-11-26 | 2419776 | 1913-01-08 | -43 | AAVSO |
| -49 | 9.0 | 2420153 | 1914-01-20 | 2420231 | 1914-04-08 | -78 | AAVSO |
| -48 | 2420611 | 1915-04-23 | 2420686 | 1915-07-07 | -75 | AAVSO | |
| -47 | 9.8 | 2421095 | 1916-08-19 | 2421141 | 1916-10-04 | -46 | SVO |
| -46 | 9.0 | 2421554 | 1917-11-21 | 2421596 | 1918-01-02 | -42 | AAVSO |
| -45 | 9.8 | 2422017 | 1919-02-27 | 2422051 | 1919-04-02 | -34 | AAVSO |
| -44 | 10.0 | 2422498 | 1920-06-22 | 2422506 | 1920-06-30 | -8 | AAVSO |
| -43 | 9.7 | 2422934 | 1921-09-01 | 2422961 | 1921-09-28 | -27 | SVO |
| -42 | 9.0 | 2423400 | 1922-12-11 | 2423416 | 1922-12-27 | -16 | AAVSO |
| -41 | 9.1 | 2423878 | 1924-04-02 | 2423871 | 1924-03-26 | 7 | SVO |
| -40 | 8.8 | 2424334 | 1925-07-02 | 2424326 | 1925-06-24 | 8 | AAVSO |
| -39 | 8.9 | 2424794 | 1926-10-05 | 2424781 | 1926-09-22 | 13 | AAVSO |
| -38 | 8.3 | 2425242 | 1927-12-27 | 2425236 | 1927-12-21 | 6 | AAVSO |
| -37 | 9.6 | 2425709 | 1929-04-07 | 2425691 | 1929-03-20 | 18 | AAVSO |
| -36 | 9.7 | 2426184 | 1930-07-26 | 2426147 | 1930-06-19 | 37 | SVO |
| -35 | 9.1 | 2426622 | 1931-10-07 | 2426602 | 1931-09-17 | 20 | SVO |
| -34 | 9.5 | 2427072 | 1932-12-30 | 2427057 | 1932-12-15 | 15 | SVO |
| -33 | 10.4 | 2427528 | 1934-03-31 | 2427512 | 1934-03-15 | 16 | SVO |
| -32 | 10.6 | 2427988 | 1935-07-04 | 2427967 | 1935-06-13 | 21 | SVO |
| -31 | 11.3 | 2428454 | 1936-10-12 | 2428422 | 1936-09-10 | 32 | SVO |
| -30 | 10.8 | 2428930 | 1938-01-31 | 2428877 | 1937-12-09 | 53 | SVO |
| -29 | 10.2 | 2429386 | 1939-05-02 | 2429332 | 1939-03-09 | 54 | SVO |
| -28 | 9.8 | 2429827 | 1940-07-16 | 2429787 | 1940-06-06 | 40 | SVO |
| -27 | 10.1 | 2430269 | 1941-10-01 | 2430242 | 1941-09-04 | 27 | SVO |
| -26 | 2430714 | 1942-12-20 | 2430697 | 1942-12-03 | 17 | AAVSO | |
| -25 | 10.0 | 2431235 | 1944-05-24 | 2431152 | 1944-03-02 | 83 | SVO |
| -24 | 9.4 | 2431652 | 1945-07-15 | 2431607 | 1945-05-31 | 45 | SVO |
| -23 | 9.3 | 2432085 | 1946-09-21 | 2432062 | 1946-08-29 | 23 | SVO |
| -22 | 9.3 | 2432544 | 1947-12-24 | 2432517 | 1947-11-27 | 27 | SVO |
| -21 | 9.4 | 2433014 | 1949-04-07 | 2432972 | 1949-02-24 | 42 | SVO |
| -20 | 9.8 | 2433479 | 1950-07-16 | 2433427 | 1950-05-25 | 52 | SVO |
| -19 | 9.9 | 2433932 | 1951-10-12 | 2433883 | 1951-08-24 | 49 | SVO |
| -18 | 9.6 | 2434351 | 1952-12-04 | 2434338 | 1952-11-21 | 13 | SVO |
| -17 | 10.2 | 2434828 | 1954-03-26 | 2434793 | 1954-02-19 | 35 | AAVSO |
| -16 | 9.8 | 2435292 | 1955-07-03 | 2435248 | 1955-05-20 | 44 | SVO |
| -15 | 9.6 | 2435722 | 1956-09-05 | 2435703 | 1956-08-17 | 19 | SVO |
| -14 | 9.4 | 2436146 | 1957-11-03 | 2436158 | 1957-11-15 | -12 | SVO |
| -13 | 9.6 | 2436628 | 1959-02-28 | 2436613 | 1959-02-13 | 15 | AAVSO |
| -12 | 9.5 | 2437099 | 1960-06-13 | 2437068 | 1960-05-13 | 31 | SVO |
| -11 | 9.4 | 2437505 | 1961-07-24 | 2437523 | 1961-08-11 | -18 | SVO |
| -10 | 9.4 | 2437955 | 1962-10-17 | 2437978 | 1962-11-09 | -23 | SVO |
| -9 | 9.5 | 2438417 | 1964-01-22 | 2438433 | 1964-02-07 | -16 | SVO |
| -8 | 9.9 | 2438891 | 1965-05-10 | 2438888 | 1965-05-07 | 3 | SVO |
| -7 | 9.5 | 2439333 | 1966-07-26 | 2439343 | 1966-08-05 | -10 | SVO |
| -6 | 9.8 | 2439792 | 1967-10-28 | 2439798 | 1967-11-03 | -6 | SVO |
| -5 | 9.4 | 2440256 | 1969-02-03 | 2440253 | 1969-01-31 | 3 | AAVSO |
| -4 | 9.5 | 2440703 | 1970-04-26 | 2440708 | 1970-05-01 | -5 | SVO |
| -3 | 9.4 | 2441152 | 1971-07-19 | 2441164 | 1971-07-31 | -12 | SVO |
| -2 | 9.5 | 2441607 | 1972-10-16 | 2441619 | 1972-10-28 | -12 | SVO |
| -1 | 9.3 | 2442064 | 1974-01-16 | 2442074 | 1974-01-26 | -10 | AAVSO |
| 0 | 9.6 | 2442518 | 1975-04-15 | 2442529 | 1975-04-26 | -11 | SVO |
| 1 | 9.8 | 2442990 | 1976-07-30 | 2442984 | 1976-07-24 | 6 | SVO |
| 2 | 9.5 | 2443424 | 1977-10-07 | 2443439 | 1977-10-22 | -15 | SVO |
| 3 | 9.8 | 2443881 | 1979-01-07 | 2443894 | 1979-01-20 | -13 | SVO |
| 4 | 9.8 | 2444375 | 1980-05-15 | 2444349 | 1980-04-19 | 26 | SVO |
| 5 | 9.2 | 2444824 | 1981-08-07 | 2444804 | 1981-07-18 | 20 | SVO |
| 6 | 9.6 | 2445267 | 1982-10-24 | 2445259 | 1982-10-16 | 8 | SVO |
| 7 | 10.4 | 2445753 | 1984-02-22 | 2445714 | 1984-01-14 | 39 | SVO |
| 8 | 10.2 | 2446217 | 1985-05-31 | 2446169 | 1985-04-13 | 48 | SVO |
| 9 | 10.7 | 2446664 | 1986-08-21 | 2446624 | 1986-07-12 | 40 | SVO |
| 10 | 10.1 | 2447122 | 1987-11-22 | 2447079 | 1987-10-10 | 43 | SVO |
| 11 | 10.6 | 2447569 | 1989-02-11 | 2447534 | 1989-01-07 | 35 | SVO |
| 12 | 10.2 | 2448060 | 1990-06-17 | 2447989 | 1990-04-07 | 71 | SVO |
| 13 | 9.1 | 2448460 | 1991-07-22 | 2448444 | 1991-07-06 | 16 | SVO |
| 14 | 10.4 | 2448918 | 1992-10-22 | 2448900 | 1992-10-04 | 18 | SVO |
| 15 | 10.9 | 2449375 | 1994-01-22 | 2449355 | 1994-01-02 | 20 | SVO |
| 16 | 10.7 | 2449838 | 1995-04-30 | 2449810 | 1995-04-02 | 28 | SVO |
| 17 | 10.2 | 2450288 | 1996-07-23 | 2450265 | 1996-06-30 | 23 | SVO |
| 18 | 9.7 | 2450719 | 1997-09-27 | 2450720 | 1997-09-28 | -1 | SVO |
| 19 | 9.9 | 2451176 | 1998-12-28 | 2451175 | 1998-12-27 | 1 | SVO |
| 20 | 9.8 | 2451626 | 2000-03-22 | 2451630 | 2000-03-26 | -4 | SVO |
| 21 | 10.1 | 2452069 | 2001-06-08 | 2452085 | 2001-06-24 | -16 | SVO |
| 22 | 10.0 | 2452531 | 2002-09-13 | 2452540 | 2002-09-22 | -9 | SVO |
| 23 | 9.9 | 2452948 | 2003-11-04 | 2452995 | 2003-12-21 | -47 | SVO |
| 24 | 10.1 | 2453425 | 2005-02-23 | 2453450 | 2005-03-20 | -25 | SVO |
| 25 | 9.8 | 2453906 | 2006-06-19 | 2453905 | 2006-06-18 | 1 | SVO |
| 26 | 10.5 | 2454354 | 2007-09-10 | 2454360 | 2007-09-16 | -6 | SVO |
| 27 | 10.1 | 2454830 | 2008-12-29 | 2454815 | 2008-12-14 | 15 | SVO |
| 28 | 9.2 | 2455238 | 2010-02-10 | 2455270 | 2010-03-14 | -32 | SVO |
| 29 | 10.1 | 2455704 | 2011-05-22 | 2455725 | 2011-06-12 | -21 | SVO |
| 30 | 9.8 | 2456165 | 2012-08-25 | 2456181 | 2012-09-10 | -16 | SVO |
| 31 | 9.3 | 2456598 | 2013-11-01 | 2456636 | 2013-12-09 | -38 | SVO |
| 32 | 9.8 | 2457045 | 2015-01-22 | 2457091 | 2015-03-09 | -46 | AAVSO |
| 33 | 9.4 | 2457497 | 2016-04-18 | 2457546 | 2016-06-06 | -49 | SVO |
| 34 | 9.8 | 2457958 | 2017-07-23 | 2458001 | 2017-09-04 | -43 | SVO |
| 35 | 9.2 | 2458413 | 2018-10-21 | 2458456 | 2018-12-03 | -43 | SVO |
| 36 | 9.6 | 2458852 | 2020-01-03 | 2458911 | 2020-03-02 | -59 | SVO |
| 37 | 10.0 | 2459342 | 2021-05-07 | 2459366 | 2021-05-31 | -24 | SVO |
| 38 | 9.4 | 2459777 | 2022-07-16 | 2459821 | 2022-08-29 | -44 | 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. |