| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -81 | 2411540 | 1890-06-21 | 2411556 | 1890-07-07 | -16 | SVO | |
| -80 | 2411870 | 1891-05-17 | 2411887 | 1891-06-03 | -17 | SVO | |
| -74 | 2413885 | 1896-11-21 | 2413874 | 1896-11-10 | 11 | SVO | |
| -73 | 2414200 | 1897-10-02 | 2414205 | 1897-10-07 | -5 | SVO | |
| -71 | 2414859 | 1899-07-23 | 2414867 | 1899-07-31 | -8 | SVO | |
| -70 | 2415201 | 1900-06-30 | 2415198 | 1900-06-27 | 3 | AnHar, 1909, vol 55, p 95 | |
| -69 | 2415526 | 1901-05-21 | 2415529 | 1901-05-24 | -3 | SVO | |
| -68 | 2415865 | 1902-04-25 | 2415860 | 1902-04-20 | 5 | SVO | |
| -67 | 2416200 | 1903-03-26 | 2416191 | 1903-03-17 | 9 | SVO | |
| -66 | 2416530 | 1904-02-19 | 2416522 | 1904-02-11 | 8 | SVO | |
| -65 | 2416847 | 1905-01-01 | 2416854 | 1905-01-08 | -7 | AAVSO | |
| -62 | 2417873 | 1907-10-24 | 2417847 | 1907-09-28 | 26 | AAVSO | |
| -61 | 2418212 | 1908-09-27 | 2418178 | 1908-08-24 | 34 | AAVSO | |
| -60 | 9.6 | 2418542 | 1909-08-23 | 2418509 | 1909-07-21 | 33 | AAVSO |
| -59 | 2418865 | 1910-07-12 | 2418840 | 1910-06-17 | 25 | AAVSO | |
| -58 | 2419191 | 1911-06-03 | 2419171 | 1911-05-14 | 20 | AAVSO | |
| -57 | 2419539 | 1912-05-16 | 2419502 | 1912-04-09 | 37 | AAVSO | |
| -56 | 2419877 | 1913-04-19 | 2419833 | 1913-03-06 | 44 | AAVSO | |
| -55 | 2420211 | 1914-03-19 | 2420164 | 1914-01-31 | 47 | AAVSO | |
| -53 | 2420869 | 1916-01-06 | 2420827 | 1915-11-25 | 42 | AAVSO | |
| -52 | 2421189 | 1916-11-21 | 2421158 | 1916-10-21 | 31 | AAVSO | |
| -51 | 2421523 | 1917-10-21 | 2421489 | 1917-09-17 | 34 | AAVSO | |
| -50 | 2421858 | 1918-09-21 | 2421820 | 1918-08-14 | 38 | AAVSO | |
| -49 | 2422151 | 1919-07-11 | 2422151 | 1919-07-11 | 0 | AAVSO | |
| -48 | 9.2 | 2422487 | 1920-06-11 | 2422482 | 1920-06-06 | 5 | AAVSO |
| -47 | 9.9 | 2422808 | 1921-04-28 | 2422813 | 1921-05-03 | -5 | SVO |
| -46 | 9.8 | 2423139 | 1922-03-25 | 2423144 | 1922-03-30 | -5 | SVO |
| -45 | 10.2 | 2423465 | 1923-02-14 | 2423475 | 1923-02-24 | -10 | AAVSO |
| -44 | 10.0 | 2423788 | 1924-01-03 | 2423806 | 1924-01-21 | -18 | AAVSO |
| -43 | 2424121 | 1924-12-01 | 2424138 | 1924-12-18 | -17 | AAVSO | |
| -42 | 10.3 | 2424444 | 1925-10-20 | 2424469 | 1925-11-14 | -25 | AAVSO |
| -41 | 10.0 | 2424773 | 1926-09-14 | 2424800 | 1926-10-11 | -27 | SVO |
| -40 | 10.0 | 2425111 | 1927-08-18 | 2425131 | 1927-09-07 | -20 | SVO |
| -39 | 10.0 | 2425446 | 1928-07-18 | 2425462 | 1928-08-03 | -16 | SVO |
| -38 | 10.5 | 2425783 | 1929-06-20 | 2425793 | 1929-06-30 | -10 | SVO |
| -37 | 10.0 | 2426119 | 1930-05-22 | 2426124 | 1930-05-27 | -5 | SVO |
| -36 | 9.8 | 2426441 | 1931-04-09 | 2426455 | 1931-04-23 | -14 | AAVSO |
| -35 | 9.6 | 2426771 | 1932-03-04 | 2426786 | 1932-03-19 | -15 | AAVSO |
| -34 | 9.8 | 2427110 | 1933-02-06 | 2427117 | 1933-02-13 | -7 | AAVSO |
| -33 | 2427443 | 1934-01-05 | 2427448 | 1934-01-10 | -5 | AAVSO | |
| -32 | 2427770 | 1934-11-28 | 2427780 | 1934-12-08 | -10 | AAVSO | |
| -30 | 10.3 | 2428442 | 1936-09-30 | 2428442 | 1936-09-30 | 0 | AAVSO |
| -29 | 9.6 | 2428757 | 1937-08-11 | 2428773 | 1937-08-27 | -16 | SVO |
| -28 | 10.6 | 2429090 | 1938-07-10 | 2429104 | 1938-07-24 | -14 | SVO |
| -27 | 10.1 | 2429425 | 1939-06-10 | 2429435 | 1939-06-20 | -10 | SVO |
| -26 | 10.0 | 2429751 | 1940-05-01 | 2429766 | 1940-05-16 | -15 | AAVSO |
| -25 | 10.0 | 2430107 | 1941-04-22 | 2430097 | 1941-04-12 | 10 | AAVSO |
| -24 | 10.4 | 2430423 | 1942-03-04 | 2430428 | 1942-03-09 | -5 | AAVSO |
| -23 | 10.0 | 2430739 | 1943-01-14 | 2430759 | 1943-02-03 | -20 | AAVSO |
| -22 | 2431075 | 1943-12-16 | 2431090 | 1943-12-31 | -15 | AAVSO | |
| -21 | 2431407 | 1944-11-12 | 2431422 | 1944-11-27 | -15 | AAVSO | |
| -20 | 9.9 | 2431739 | 1945-10-10 | 2431753 | 1945-10-24 | -14 | AAVSO |
| -19 | 9.5 | 2432077 | 1946-09-13 | 2432084 | 1946-09-20 | -7 | AAVSO |
| -18 | 10.1 | 2432403 | 1947-08-05 | 2432415 | 1947-08-17 | -12 | SVO |
| -17 | 9.6 | 2432736 | 1948-07-03 | 2432746 | 1948-07-13 | -10 | SVO |
| -16 | 10.1 | 2433073 | 1949-06-05 | 2433077 | 1949-06-09 | -4 | SVO |
| -15 | 10.1 | 2433404 | 1950-05-02 | 2433408 | 1950-05-06 | -4 | AAVSO |
| -14 | 9.5 | 2433750 | 1951-04-13 | 2433739 | 1951-04-02 | 11 | AAVSO |
| -13 | 11.2 | 2434086 | 1952-03-14 | 2434070 | 1952-02-27 | 16 | AAVSO |
| -12 | 10.8 | 2434428 | 1953-02-19 | 2434401 | 1953-01-23 | 27 | AAVSO |
| -11 | 11.0 | 2434743 | 1953-12-31 | 2434732 | 1953-12-20 | 11 | AAVSO |
| -10 | 2435084 | 1954-12-07 | 2435064 | 1954-11-17 | 20 | AAVSO | |
| -9 | 10.0 | 2435404 | 1955-10-23 | 2435395 | 1955-10-14 | 9 | AAVSO |
| -8 | 9.6 | 2435742 | 1956-09-25 | 2435726 | 1956-09-09 | 16 | AAVSO |
| -7 | 9.6 | 2436076 | 1957-08-25 | 2436057 | 1957-08-06 | 19 | AAVSO |
| -6 | 10.0 | 2436410 | 1958-07-25 | 2436388 | 1958-07-03 | 22 | SVO |
| -5 | 9.9 | 2436751 | 1959-07-01 | 2436719 | 1959-05-30 | 32 | AAVSO |
| -4 | 10.4 | 2437079 | 1960-05-24 | 2437050 | 1960-04-25 | 29 | AAVSO |
| -3 | 10.7 | 2437416 | 1961-04-26 | 2437381 | 1961-03-22 | 35 | AAVSO |
| -2 | 10.2 | 2437746 | 1962-03-22 | 2437712 | 1962-02-16 | 34 | AAVSO |
| -1 | 2438079 | 1963-02-18 | 2438043 | 1963-01-13 | 36 | AAVSO | |
| 0 | 11.1 | 2438408 | 1964-01-13 | 2438374 | 1963-12-10 | 34 | AAVSO |
| 1 | 2438739 | 1964-12-09 | 2438706 | 1964-11-06 | 33 | AAVSO | |
| 2 | 2439049 | 1965-10-15 | 2439037 | 1965-10-03 | 12 | AAVSO | |
| 3 | 10.2 | 2439377 | 1966-09-08 | 2439368 | 1966-08-30 | 9 | SVO |
| 4 | 9.6 | 2439703 | 1967-07-31 | 2439699 | 1967-07-27 | 4 | SVO |
| 5 | 10.4 | 2440034 | 1968-06-26 | 2440030 | 1968-06-22 | 4 | SVO |
| 6 | 9.7 | 2440352 | 1969-05-10 | 2440361 | 1969-05-19 | -9 | SVO |
| 7 | 9.9 | 2440691 | 1970-04-14 | 2440692 | 1970-04-15 | -1 | AAVSO |
| 8 | 10.3 | 2440999 | 1971-02-16 | 2441023 | 1971-03-12 | -24 | AAVSO |
| 9 | 2441332 | 1972-01-15 | 2441354 | 1972-02-06 | -22 | AAVSO | |
| 10 | 2441654 | 1972-12-02 | 2441685 | 1973-01-02 | -31 | AAVSO | |
| 11 | 2441982 | 1973-10-26 | 2442016 | 1973-11-29 | -34 | AAVSO | |
| 12 | 10.2 | 2442304 | 1974-09-13 | 2442348 | 1974-10-27 | -44 | AAVSO |
| 13 | 10.1 | 2442626 | 1975-08-01 | 2442679 | 1975-09-23 | -53 | SVO |
| 14 | 9.7 | 2442954 | 1976-06-24 | 2443010 | 1976-08-19 | -56 | SVO |
| 15 | 10.1 | 2443285 | 1977-05-21 | 2443341 | 1977-07-16 | -56 | SVO |
| 16 | 10.4 | 2443619 | 1978-04-20 | 2443672 | 1978-06-12 | -53 | SVO |
| 17 | 11.3 | 2443951 | 1979-03-18 | 2444003 | 1979-05-09 | -52 | AAVSO |
| 18 | 10.0 | 2444283 | 1980-02-13 | 2444334 | 1980-04-04 | -51 | AAVSO |
| 19 | 10.0 | 2444602 | 1980-12-28 | 2444665 | 1981-03-01 | -63 | AAVSO |
| 20 | 11.1 | 2444936 | 1981-11-27 | 2444996 | 1982-01-26 | -60 | AAVSO |
| 21 | 10.2 | 2445274 | 1982-10-31 | 2445327 | 1982-12-23 | -53 | SVO |
| 22 | 9.7 | 2445603 | 1983-09-25 | 2445658 | 1983-11-19 | -55 | SVO |
| 23 | 10.6 | 2445950 | 1984-09-06 | 2445990 | 1984-10-16 | -40 | SVO |
| 24 | 10.1 | 2446285 | 1985-08-07 | 2446321 | 1985-09-12 | -36 | SVO |
| 25 | 10.4 | 2446617 | 1986-07-05 | 2446652 | 1986-08-09 | -35 | SVO |
| 26 | 9.9 | 2446951 | 1987-06-04 | 2446983 | 1987-07-06 | -32 | SVO |
| 27 | 10.0 | 2447276 | 1988-04-24 | 2447314 | 1988-06-01 | -38 | SVO |
| 28 | 10.0 | 2447621 | 1989-04-04 | 2447645 | 1989-04-28 | -24 | SVO |
| 29 | 9.9 | 2447961 | 1990-03-10 | 2447976 | 1990-03-25 | -15 | SVO |
| 30 | 9.8 | 2448293 | 1991-02-05 | 2448307 | 1991-02-19 | -14 | SVO |
| 31 | 2448634 | 1992-01-12 | 2448638 | 1992-01-16 | -4 | AAVSO | |
| 32 | 2448969 | 1992-12-12 | 2448969 | 1992-12-12 | 0 | AAVSO | |
| 33 | 10.3 | 2449298 | 1993-11-06 | 2449300 | 1993-11-08 | -2 | SVO |
| 34 | 10.0 | 2449632 | 1994-10-06 | 2449632 | 1994-10-06 | 0 | SVO |
| 35 | 10.8 | 2449964 | 1995-09-03 | 2449963 | 1995-09-02 | 1 | SVO |
| 36 | 9.9 | 2450296 | 1996-07-31 | 2450294 | 1996-07-29 | 2 | SVO |
| 37 | 10.4 | 2450624 | 1997-06-24 | 2450625 | 1997-06-25 | -1 | SVO |
| 38 | 10.4 | 2450958 | 1998-05-24 | 2450956 | 1998-05-22 | 2 | SVO |
| 39 | 10.1 | 2451290 | 1999-04-21 | 2451287 | 1999-04-18 | 3 | SVO |
| 40 | 10.3 | 2451617 | 2000-03-13 | 2451618 | 2000-03-14 | -1 | SVO |
| 41 | 2451959 | 2001-02-18 | 2451949 | 2001-02-08 | 10 | AAVSO | |
| 42 | 2452279 | 2002-01-04 | 2452280 | 2002-01-05 | -1 | AAVSO | |
| 43 | 2452617 | 2002-12-08 | 2452611 | 2002-12-02 | 6 | AAVSO | |
| 44 | 10.2 | 2452941 | 2003-10-28 | 2452942 | 2003-10-29 | -1 | SVO |
| 45 | 10.1 | 2453271 | 2004-09-22 | 2453274 | 2004-09-25 | -3 | SVO |
| 46 | 9.9 | 2453606 | 2005-08-23 | 2453605 | 2005-08-22 | 1 | SVO |
| 47 | 10.2 | 2453939 | 2006-07-22 | 2453936 | 2006-07-19 | 3 | SVO |
| 48 | 10.8 | 2454277 | 2007-06-25 | 2454267 | 2007-06-15 | 10 | SVO |
| 49 | 9.6 | 2454602 | 2008-05-15 | 2454598 | 2008-05-11 | 4 | SVO |
| 50 | 10.4 | 2454943 | 2009-04-21 | 2454929 | 2009-04-07 | 14 | SVO |
| 51 | 10.1 | 2455284 | 2010-03-28 | 2455260 | 2010-03-04 | 24 | SVO |
| 52 | 10.1 | 2455617 | 2011-02-24 | 2455591 | 2011-01-29 | 26 | SVO |
| 53 | 9.9 | 2455951 | 2012-01-24 | 2455922 | 2011-12-26 | 29 | SVO |
| 54 | 10.8 | 2456284 | 2012-12-22 | 2456253 | 2012-11-21 | 31 | AAVSO |
| 55 | 10.0 | 2456615 | 2013-11-18 | 2456584 | 2013-10-18 | 31 | SVO |
| 56 | 9.8 | 2456938 | 2014-10-07 | 2456916 | 2014-09-15 | 22 | SVO |
| 57 | 10.0 | 2457278 | 2015-09-12 | 2457247 | 2015-08-12 | 31 | SVO |
| 58 | 9.9 | 2457606 | 2016-08-05 | 2457578 | 2016-07-08 | 28 | SVO |
| 59 | 9.9 | 2457941 | 2017-07-06 | 2457909 | 2017-06-04 | 32 | SVO |
| 60 | 9.9 | 2458272 | 2018-06-02 | 2458240 | 2018-05-01 | 32 | SVO |
| 61 | 10.1 | 2458608 | 2019-05-04 | 2458571 | 2019-03-28 | 37 | SVO |
| 62 | 10.1 | 2458930 | 2020-03-21 | 2458902 | 2020-02-22 | 28 | SVO |
| 63 | 9.5 | 2459270 | 2021-02-24 | 2459233 | 2021-01-18 | 37 | SVO |
| 64 | 10.5 | 2459600 | 2022-01-20 | 2459564 | 2021-12-15 | 36 | SVO |
| 65 | 2459930 | 2022-12-16 | 2459895 | 2022-11-11 | 35 | 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. |