| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -73 | 2411580 | 1890-07-31 | 2411645 | 1890-10-04 | -65 | SVO | |
| -65 | 2414782 | 1899-05-07 | 2414800 | 1899-05-25 | -18 | SVO | |
| -64 | 2415170 | 1900-05-30 | 2415194 | 1900-06-23 | -24 | SVO | |
| -63 | 2415569 | 1901-07-03 | 2415588 | 1901-07-22 | -19 | AnHar, 1909, vol 55, p 95 | |
| -62 | 2415968 | 1902-08-06 | 2415983 | 1902-08-21 | -15 | SVO | |
| -61 | 2416370 | 1903-09-12 | 2416377 | 1903-09-19 | -7 | SVO | |
| -60 | 2416770 | 1904-10-16 | 2416771 | 1904-10-17 | -1 | SVO | |
| -59 | 2417150 | 1905-10-31 | 2417166 | 1905-11-16 | -16 | SVO | |
| -58 | 2417526 | 1906-11-11 | 2417560 | 1906-12-15 | -34 | AAVSO | |
| -56 | 2418316 | 1909-01-09 | 2418349 | 1909-02-11 | -33 | AAVSO | |
| -54 | 2419140 | 1911-04-13 | 2419137 | 1911-04-10 | 3 | AAVSO | |
| -53 | 2419535 | 1912-05-12 | 2419532 | 1912-05-09 | 3 | SVO | |
| -52 | 2419930 | 1913-06-11 | 2419926 | 1913-06-07 | 4 | SVO | |
| -51 | 9.5 | 2420330 | 1914-07-16 | 2420320 | 1914-07-06 | 10 | AAVSO |
| -50 | 2420718 | 1915-08-08 | 2420715 | 1915-08-05 | 3 | SVO | |
| -49 | 2421098 | 1916-08-22 | 2421109 | 1916-09-02 | -11 | SVO | |
| -48 | 9.6 | 2421485 | 1917-09-13 | 2421503 | 1917-10-01 | -18 | AAVSO |
| -47 | 2421876 | 1918-10-09 | 2421898 | 1918-10-31 | -22 | AAVSO | |
| -44 | 2423065 | 1922-01-10 | 2423081 | 1922-01-26 | -16 | AAVSO | |
| -43 | 8.8 | 2423466 | 1923-02-15 | 2423475 | 1923-02-24 | -9 | AAVSO |
| -42 | 8.2 | 2423867 | 1924-03-22 | 2423869 | 1924-03-24 | -2 | AAVSO |
| -41 | 9.0 | 2424260 | 1925-04-19 | 2424264 | 1925-04-23 | -4 | AAVSO |
| -40 | 8.4 | 2424636 | 1926-04-30 | 2424658 | 1926-05-22 | -22 | SVO |
| -39 | 10.0 | 2425035 | 1927-06-03 | 2425052 | 1927-06-20 | -17 | AAVSO |
| -38 | 8.0 | 2425439 | 1928-07-11 | 2425447 | 1928-07-19 | -8 | SVO |
| -37 | 9.0 | 2425834 | 1929-08-10 | 2425841 | 1929-08-17 | -7 | SVO |
| -36 | 8.1 | 2426230 | 1930-09-10 | 2426235 | 1930-09-15 | -5 | SVO |
| -35 | 8.4 | 2426622 | 1931-10-07 | 2426630 | 1931-10-15 | -8 | AAVSO |
| -34 | 8.2 | 2427012 | 1932-10-31 | 2427024 | 1932-11-12 | -12 | SVO |
| -33 | 2427431 | 1933-12-24 | 2427418 | 1933-12-11 | 13 | AAVSO | |
| -32 | 2427827 | 1935-01-24 | 2427813 | 1935-01-10 | 14 | AAVSO | |
| -30 | 2428632 | 1937-04-08 | 2428601 | 1937-03-08 | 31 | AAVSO | |
| -29 | 9.1 | 2429022 | 1938-05-03 | 2428996 | 1938-04-07 | 26 | AAVSO |
| -28 | 7.8 | 2429397 | 1939-05-13 | 2429390 | 1939-05-06 | 7 | AAVSO |
| -27 | 8.6 | 2429777 | 1940-05-27 | 2429784 | 1940-06-03 | -7 | AAVSO |
| -26 | 7.8 | 2430169 | 1941-06-23 | 2430179 | 1941-07-03 | -10 | SVO |
| -25 | 10.4 | 2430572 | 1942-07-31 | 2430573 | 1942-08-01 | -1 | AAVSO |
| -24 | 8.9 | 2430977 | 1943-09-09 | 2430967 | 1943-08-30 | 10 | SVO |
| -23 | 9.9 | 2431358 | 1944-09-24 | 2431362 | 1944-09-28 | -4 | AAVSO |
| -22 | 8.3 | 2431750 | 1945-10-21 | 2431756 | 1945-10-27 | -6 | AAVSO |
| -21 | 2432158 | 1946-12-03 | 2432150 | 1946-11-25 | 8 | AAVSO | |
| -20 | 2432553 | 1948-01-02 | 2432545 | 1947-12-25 | 8 | AAVSO | |
| -19 | 2432958 | 1949-02-10 | 2432939 | 1949-01-22 | 19 | AAVSO | |
| -18 | 8.6 | 2433360 | 1950-03-19 | 2433333 | 1950-02-20 | 27 | AAVSO |
| -17 | 9.3 | 2433764 | 1951-04-27 | 2433728 | 1951-03-22 | 36 | SVO |
| -16 | 8.0 | 2434149 | 1952-05-16 | 2434122 | 1952-04-19 | 27 | SVO |
| -15 | 9.0 | 2434543 | 1953-06-14 | 2434516 | 1953-05-18 | 27 | SVO |
| -14 | 8.5 | 2434940 | 1954-07-16 | 2434911 | 1954-06-17 | 29 | SVO |
| -13 | 9.4 | 2435349 | 1955-08-29 | 2435305 | 1955-07-16 | 44 | SVO |
| -12 | 8.1 | 2435737 | 1956-09-20 | 2435699 | 1956-08-13 | 38 | SVO |
| -11 | 8.8 | 2436131 | 1957-10-19 | 2436094 | 1957-09-12 | 37 | AAVSO |
| -10 | 8.3 | 2436525 | 1958-11-17 | 2436488 | 1958-10-11 | 37 | AAVSO |
| -9 | 2436922 | 1959-12-19 | 2436882 | 1959-11-09 | 40 | AAVSO | |
| -8 | 2437309 | 1961-01-09 | 2437277 | 1960-12-08 | 32 | AAVSO | |
| -7 | 8.2 | 2437698 | 1962-02-02 | 2437671 | 1962-01-06 | 27 | AAVSO |
| -6 | 2438095 | 1963-03-06 | 2438065 | 1963-02-04 | 30 | AAVSO | |
| -5 | 9.7 | 2438488 | 1964-04-02 | 2438460 | 1964-03-05 | 28 | AAVSO |
| -4 | 7.2 | 2438880 | 1965-04-29 | 2438854 | 1965-04-03 | 26 | AAVSO |
| -3 | 9.0 | 2439275 | 1966-05-29 | 2439248 | 1966-05-02 | 27 | SVO |
| -2 | 8.4 | 2439663 | 1967-06-21 | 2439642 | 1967-05-31 | 21 | SVO |
| -1 | 8.4 | 2440053 | 1968-07-15 | 2440037 | 1968-06-29 | 16 | SVO |
| 0 | 8.5 | 2440454 | 1969-08-20 | 2440431 | 1969-07-28 | 23 | SVO |
| 1 | 8.7 | 2440850 | 1970-09-20 | 2440825 | 1970-08-26 | 25 | SVO |
| 2 | 8.9 | 2441238 | 1971-10-13 | 2441220 | 1971-09-25 | 18 | AAVSO |
| 3 | 8.5 | 2441633 | 1972-11-11 | 2441614 | 1972-10-23 | 19 | AAVSO |
| 4 | 9.6 | 2442036 | 1973-12-19 | 2442008 | 1973-11-21 | 28 | AAVSO |
| 5 | 2442430 | 1975-01-17 | 2442403 | 1974-12-21 | 27 | AAVSO | |
| 6 | 10.0 | 2442823 | 1976-02-14 | 2442797 | 1976-01-19 | 26 | AAVSO |
| 7 | 9.3 | 2443226 | 1977-03-23 | 2443191 | 1977-02-16 | 35 | AAVSO |
| 8 | 8.8 | 2443618 | 1978-04-19 | 2443586 | 1978-03-18 | 32 | AAVSO |
| 9 | 8.9 | 2444003 | 1979-05-09 | 2443980 | 1979-04-16 | 23 | AAVSO |
| 10 | 9.6 | 2444369 | 1980-05-09 | 2444374 | 1980-05-14 | -5 | AAVSO |
| 11 | 8.5 | 2444744 | 1981-05-19 | 2444769 | 1981-06-13 | -25 | SVO |
| 12 | 9.3 | 2445143 | 1982-06-22 | 2445163 | 1982-07-12 | -20 | SVO |
| 13 | 8.8 | 2445537 | 1983-07-21 | 2445557 | 1983-08-10 | -20 | SVO |
| 14 | 8.4 | 2445918 | 1984-08-05 | 2445952 | 1984-09-08 | -34 | SVO |
| 15 | 8.7 | 2446308 | 1985-08-30 | 2446346 | 1985-10-07 | -38 | SVO |
| 16 | 8.2 | 2446715 | 1986-10-11 | 2446740 | 1986-11-05 | -25 | SVO |
| 17 | 8.1 | 2447116 | 1987-11-16 | 2447135 | 1987-12-05 | -19 | SVO |
| 18 | 9.0 | 2447515 | 1988-12-19 | 2447529 | 1989-01-02 | -14 | SVO |
| 19 | 7.9 | 2447910 | 1990-01-18 | 2447923 | 1990-01-31 | -13 | SVO |
| 20 | 2448315 | 1991-02-27 | 2448318 | 1991-03-02 | -3 | AAVSO | |
| 21 | 2448701 | 1992-03-19 | 2448712 | 1992-03-30 | -11 | AAVSO | |
| 22 | 2449091 | 1993-04-13 | 2449106 | 1993-04-28 | -15 | AAVSO | |
| 23 | 8.3 | 2449482 | 1994-05-09 | 2449501 | 1994-05-28 | -19 | SVO |
| 24 | 10.6 | 2449896 | 1995-06-27 | 2449895 | 1995-06-26 | 1 | SVO |
| 25 | 8.6 | 2450268 | 1996-07-03 | 2450289 | 1996-07-24 | -21 | SVO |
| 26 | 10.4 | 2450667 | 1997-08-06 | 2450684 | 1997-08-23 | -17 | SVO |
| 27 | 8.0 | 2451042 | 1998-08-16 | 2451078 | 1998-09-21 | -36 | SVO |
| 28 | 8.5 | 2451448 | 1999-09-26 | 2451472 | 1999-10-20 | -24 | SVO |
| 29 | 8.6 | 2451839 | 2000-10-21 | 2451867 | 2000-11-18 | -28 | SVO |
| 30 | 8.6 | 2452223 | 2001-11-09 | 2452261 | 2001-12-17 | -38 | SVO |
| 31 | 8.9 | 2452627 | 2002-12-18 | 2452655 | 2003-01-15 | -28 | SVO |
| 32 | 9.1 | 2453040 | 2004-02-04 | 2453050 | 2004-02-14 | -10 | SVO |
| 33 | 2453425 | 2005-02-23 | 2453444 | 2005-03-14 | -19 | AAVSO | |
| 34 | 2453809 | 2006-03-14 | 2453838 | 2006-04-12 | -29 | AAVSO | |
| 35 | 8.7 | 2454215 | 2007-04-24 | 2454233 | 2007-05-12 | -18 | SVO |
| 36 | 7.9 | 2454626 | 2008-06-08 | 2454627 | 2008-06-09 | -1 | SVO |
| 37 | 9.0 | 2455020 | 2009-07-07 | 2455021 | 2009-07-08 | -1 | SVO |
| 38 | 8.1 | 2455411 | 2010-08-02 | 2455416 | 2010-08-07 | -5 | SVO |
| 39 | 8.4 | 2455806 | 2011-09-01 | 2455810 | 2011-09-05 | -4 | SVO |
| 40 | 8.6 | 2456212 | 2012-10-11 | 2456204 | 2012-10-03 | 8 | SVO |
| 41 | 8.2 | 2456594 | 2013-10-28 | 2456599 | 2013-11-02 | -5 | SVO |
| 42 | 9.1 | 2456996 | 2014-12-04 | 2456993 | 2014-12-01 | 3 | SVO |
| 43 | 8.5 | 2457390 | 2016-01-02 | 2457387 | 2015-12-30 | 3 | SVO |
| 44 | 8.5 | 2457782 | 2017-01-28 | 2457782 | 2017-01-28 | 0 | SVO |
| 45 | 2458175 | 2018-02-25 | 2458176 | 2018-02-26 | -1 | SVO | |
| 46 | 8.6 | 2458571 | 2019-03-28 | 2458570 | 2019-03-27 | 1 | SVO |
| 47 | 8.2 | 2458961 | 2020-04-21 | 2458965 | 2020-04-25 | -4 | SVO |
| 48 | 8.4 | 2459353 | 2021-05-18 | 2459359 | 2021-05-24 | -6 | SVO |
| 49 | 8.4 | 2459749 | 2022-06-18 | 2459753 | 2022-06-22 | -4 | 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. |