| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -118 | 2411580 | 1890-07-31 | 2411608 | 1890-08-28 | -28 | SVO | |
| -114 | 2412700 | 1893-08-24 | 2412721 | 1893-09-14 | -21 | SVO | |
| -108 | 2414380 | 1898-03-31 | 2414391 | 1898-04-11 | -11 | SVO | |
| -105 | 2415228 | 1900-07-27 | 2415226 | 1900-07-25 | 2 | AnHar, 1909, vol 55, p 95 | |
| -104 | 2415510 | 1901-05-05 | 2415505 | 1901-04-30 | 5 | AnHar, 1909, vol 55, p 95 | |
| -102 | 2416060 | 1902-11-06 | 2416061 | 1902-11-07 | -1 | SVO | |
| -100 | 2416604 | 1904-05-03 | 2416618 | 1904-05-17 | -14 | GuL, 1920, 1.2 | |
| -99 | 2416885 | 1905-02-08 | 2416896 | 1905-02-19 | -11 | AAVSO | |
| -98 | 10.2 | 2417157 | 1905-11-07 | 2417175 | 1905-11-25 | -18 | AAVSO |
| -97 | 2417437 | 1906-08-14 | 2417453 | 1906-08-30 | -16 | AAVSO | |
| -96 | 9.8 | 2417736 | 1907-06-09 | 2417731 | 1907-06-04 | 5 | AAVSO |
| -95 | 9.8 | 2418013 | 1908-03-12 | 2418010 | 1908-03-09 | 3 | AAVSO |
| -94 | 2418307 | 1908-12-31 | 2418288 | 1908-12-12 | 19 | AAVSO | |
| -93 | 9.5 | 2418599 | 1909-10-19 | 2418566 | 1909-09-16 | 33 | AAVSO |
| -92 | 2418867 | 1910-07-14 | 2418845 | 1910-06-22 | 22 | AAVSO | |
| -91 | 2419137 | 1911-04-10 | 2419123 | 1911-03-27 | 14 | AAVSO | |
| -90 | 10.3 | 2419422 | 1912-01-20 | 2419401 | 1911-12-30 | 21 | SVO |
| -89 | 9.7 | 2419693 | 1912-10-17 | 2419680 | 1912-10-04 | 13 | SVO |
| -88 | 10.5 | 2419980 | 1913-07-31 | 2419958 | 1913-07-09 | 22 | SVO |
| -87 | 9.6 | 2420258 | 1914-05-05 | 2420236 | 1914-04-13 | 22 | AAVSO |
| -86 | 9.8 | 2420528 | 1915-01-30 | 2420515 | 1915-01-17 | 13 | AAVSO |
| -85 | 9.6 | 2420811 | 1915-11-09 | 2420793 | 1915-10-22 | 18 | AAVSO |
| -84 | 2421083 | 1916-08-07 | 2421071 | 1916-07-26 | 12 | AAVSO | |
| -83 | 9.7 | 2421349 | 1917-04-30 | 2421350 | 1917-05-01 | -1 | AAVSO |
| -82 | 2421631 | 1918-02-06 | 2421628 | 1918-02-03 | 3 | AAVSO | |
| -81 | 2421918 | 1918-11-20 | 2421906 | 1918-11-08 | 12 | AAVSO | |
| -80 | 10.2 | 2422202 | 1919-08-31 | 2422185 | 1919-08-14 | 17 | SVO |
| -79 | 9.6 | 2422471 | 1920-05-26 | 2422463 | 1920-05-18 | 8 | AAVSO |
| -78 | 9.8 | 2422749 | 1921-02-28 | 2422741 | 1921-02-20 | 8 | AAVSO |
| -77 | 9.8 | 2423023 | 1921-11-29 | 2423020 | 1921-11-26 | 3 | AAVSO |
| -76 | 9.8 | 2423308 | 1922-09-10 | 2423298 | 1922-08-31 | 10 | AAVSO |
| -75 | 10.0 | 2423586 | 1923-06-15 | 2423576 | 1923-06-05 | 10 | SVO |
| -74 | 9.6 | 2423867 | 1924-03-22 | 2423855 | 1924-03-10 | 12 | AAVSO |
| -73 | 9.8 | 2424142 | 1924-12-22 | 2424133 | 1924-12-13 | 9 | AAVSO |
| -72 | 10.0 | 2424419 | 1925-09-25 | 2424411 | 1925-09-17 | 8 | AAVSO |
| -71 | 9.6 | 2424699 | 1926-07-02 | 2424690 | 1926-06-23 | 9 | AAVSO |
| -70 | 9.9 | 2424983 | 1927-04-12 | 2424968 | 1927-03-28 | 15 | AAVSO |
| -69 | 10.0 | 2425247 | 1928-01-01 | 2425246 | 1927-12-31 | 1 | AAVSO |
| -68 | 10.0 | 2425519 | 1928-09-29 | 2425525 | 1928-10-05 | -6 | AAVSO |
| -67 | 9.9 | 2425792 | 1929-06-29 | 2425803 | 1929-07-10 | -11 | SVO |
| -66 | 10.1 | 2426072 | 1930-04-05 | 2426081 | 1930-04-14 | -9 | SVO |
| -65 | 10.2 | 2426350 | 1931-01-08 | 2426360 | 1931-01-18 | -10 | SVO |
| -64 | 9.9 | 2426622 | 1931-10-07 | 2426638 | 1931-10-23 | -16 | SVO |
| -63 | 10.4 | 2426901 | 1932-07-12 | 2426916 | 1932-07-27 | -15 | SVO |
| -62 | 9.9 | 2427182 | 1933-04-19 | 2427195 | 1933-05-02 | -13 | SVO |
| -61 | 2427461 | 1934-01-23 | 2427473 | 1934-02-04 | -12 | AAVSO | |
| -60 | 10.0 | 2427730 | 1934-10-19 | 2427751 | 1934-11-09 | -21 | AAVSO |
| -59 | 9.8 | 2428020 | 1935-08-05 | 2428030 | 1935-08-15 | -10 | SVO |
| -58 | 9.6 | 2428295 | 1936-05-06 | 2428308 | 1936-05-19 | -13 | AAVSO |
| -57 | 2428570 | 1937-02-05 | 2428586 | 1937-02-21 | -16 | AAVSO | |
| -56 | 10.0 | 2428854 | 1937-11-16 | 2428865 | 1937-11-27 | -11 | SVO |
| -55 | 10.2 | 2429137 | 1938-08-26 | 2429143 | 1938-09-01 | -6 | SVO |
| -54 | 10.0 | 2429412 | 1939-05-28 | 2429421 | 1939-06-06 | -9 | SVO |
| -53 | 10.0 | 2429699 | 1940-03-10 | 2429700 | 1940-03-11 | -1 | AAVSO |
| -52 | 10.2 | 2429969 | 1940-12-05 | 2429978 | 1940-12-14 | -9 | AAVSO |
| -51 | 9.9 | 2430243 | 1941-09-05 | 2430256 | 1941-09-18 | -13 | SVO |
| -50 | 10.1 | 2430511 | 1942-05-31 | 2430535 | 1942-06-24 | -24 | AAVSO |
| -49 | 2430777 | 1943-02-21 | 2430813 | 1943-03-29 | -36 | AAVSO | |
| -48 | 9.9 | 2431050 | 1943-11-21 | 2431091 | 1944-01-01 | -41 | AAVSO |
| -47 | 10.6 | 2431344 | 1944-09-10 | 2431369 | 1944-10-05 | -25 | SVO |
| -46 | 10.0 | 2431616 | 1945-06-09 | 2431648 | 1945-07-11 | -32 | AAVSO |
| -45 | 10.0 | 2431894 | 1946-03-14 | 2431926 | 1946-04-15 | -32 | AAVSO |
| -44 | 10.2 | 2432153 | 1946-11-28 | 2432204 | 1947-01-18 | -51 | AAVSO |
| -43 | 9.6 | 2432441 | 1947-09-12 | 2432483 | 1947-10-24 | -42 | SVO |
| -42 | 10.1 | 2432712 | 1948-06-09 | 2432761 | 1948-07-28 | -49 | SVO |
| -41 | 9.8 | 2432986 | 1949-03-10 | 2433039 | 1949-05-02 | -53 | AAVSO |
| -40 | 9.2 | 2433301 | 1950-01-19 | 2433318 | 1950-02-05 | -17 | SVO |
| -39 | 10.1 | 2433556 | 1950-10-01 | 2433596 | 1950-11-10 | -40 | SVO |
| -38 | 9.8 | 2433823 | 1951-06-25 | 2433874 | 1951-08-15 | -51 | SVO |
| -37 | 9.8 | 2434092 | 1952-03-20 | 2434153 | 1952-05-20 | -61 | AAVSO |
| -36 | 9.7 | 2434383 | 1953-01-05 | 2434431 | 1953-02-22 | -48 | SVO |
| -35 | 10.3 | 2434663 | 1953-10-12 | 2434709 | 1953-11-27 | -46 | SVO |
| -34 | 9.8 | 2434936 | 1954-07-12 | 2434988 | 1954-09-02 | -52 | SVO |
| -33 | 10.0 | 2435211 | 1955-04-13 | 2435266 | 1955-06-07 | -55 | AAVSO |
| -32 | 2435491 | 1956-01-18 | 2435544 | 1956-03-11 | -53 | AAVSO | |
| -31 | 9.7 | 2435785 | 1956-11-07 | 2435823 | 1956-12-15 | -38 | AAVSO |
| -30 | 9.9 | 2436061 | 1957-08-10 | 2436101 | 1957-09-19 | -40 | SVO |
| -29 | 10.5 | 2436349 | 1958-05-25 | 2436379 | 1958-06-24 | -30 | SVO |
| -28 | 9.7 | 2436634 | 1959-03-06 | 2436658 | 1959-03-30 | -24 | AAVSO |
| -27 | 10.4 | 2436927 | 1959-12-24 | 2436936 | 1960-01-02 | -9 | AAVSO |
| -26 | 9.8 | 2437195 | 1960-09-17 | 2437214 | 1960-10-06 | -19 | SVO |
| -25 | 10.4 | 2437487 | 1961-07-06 | 2437493 | 1961-07-12 | -6 | SVO |
| -24 | 9.9 | 2437765 | 1962-04-10 | 2437771 | 1962-04-16 | -6 | SVO |
| -23 | 10.2 | 2438046 | 1963-01-16 | 2438049 | 1963-01-19 | -3 | SVO |
| -22 | 10.1 | 2438338 | 1963-11-04 | 2438328 | 1963-10-25 | 10 | SVO |
| -21 | 10.4 | 2438620 | 1964-08-12 | 2438606 | 1964-07-29 | 14 | SVO |
| -20 | 9.9 | 2438906 | 1965-05-25 | 2438884 | 1965-05-03 | 22 | SVO |
| -19 | 9.9 | 2439176 | 1966-02-19 | 2439163 | 1966-02-06 | 13 | SVO |
| -18 | 9.7 | 2439446 | 1966-11-16 | 2439441 | 1966-11-11 | 5 | SVO |
| -17 | 10.0 | 2439727 | 1967-08-24 | 2439719 | 1967-08-16 | 8 | SVO |
| -16 | 10.5 | 2440013 | 1968-06-05 | 2439998 | 1968-05-21 | 15 | SVO |
| -15 | 9.9 | 2440286 | 1969-03-05 | 2440276 | 1969-02-23 | 10 | SVO |
| -14 | 10.5 | 2440574 | 1969-12-18 | 2440554 | 1969-11-28 | 20 | SVO |
| -13 | 9.9 | 2440848 | 1970-09-18 | 2440833 | 1970-09-03 | 15 | SVO |
| -12 | 9.8 | 2441124 | 1971-06-21 | 2441111 | 1971-06-08 | 13 | SVO |
| -11 | 9.6 | 2441391 | 1972-03-14 | 2441389 | 1972-03-12 | 2 | SVO |
| -10 | 9.9 | 2441673 | 1972-12-21 | 2441668 | 1972-12-16 | 5 | SVO |
| -9 | 9.9 | 2441947 | 1973-09-21 | 2441946 | 1973-09-20 | 1 | SVO |
| -8 | 10.3 | 2442238 | 1974-07-09 | 2442224 | 1974-06-25 | 14 | SVO |
| -7 | 10.3 | 2442508 | 1975-04-05 | 2442503 | 1975-03-31 | 5 | SVO |
| -6 | 10.3 | 2442793 | 1976-01-15 | 2442781 | 1976-01-03 | 12 | SVO |
| -5 | 9.9 | 2443074 | 1976-10-22 | 2443059 | 1976-10-07 | 15 | SVO |
| -4 | 10.0 | 2443342 | 1977-07-17 | 2443338 | 1977-07-13 | 4 | SVO |
| -3 | 10.0 | 2443620 | 1978-04-21 | 2443616 | 1978-04-17 | 4 | SVO |
| -2 | 10.0 | 2443895 | 1979-01-21 | 2443894 | 1979-01-20 | 1 | SVO |
| -1 | 10.0 | 2444173 | 1979-10-26 | 2444173 | 1979-10-26 | 0 | SVO |
| 0 | 10.0 | 2444450 | 1980-07-29 | 2444451 | 1980-07-30 | -1 | SVO |
| 1 | 10.0 | 2444733 | 1981-05-08 | 2444729 | 1981-05-04 | 4 | SVO |
| 2 | 10.3 | 2445016 | 1982-02-15 | 2445008 | 1982-02-07 | 8 | SVO |
| 3 | 10.3 | 2445302 | 1982-11-28 | 2445286 | 1982-11-12 | 16 | SVO |
| 4 | 10.1 | 2445575 | 1983-08-28 | 2445564 | 1983-08-17 | 11 | SVO |
| 5 | 9.8 | 2445848 | 1984-05-27 | 2445843 | 1984-05-22 | 5 | SVO |
| 6 | 9.9 | 2446128 | 1985-03-03 | 2446121 | 1985-02-24 | 7 | SVO |
| 7 | 10.3 | 2446412 | 1985-12-12 | 2446399 | 1985-11-29 | 13 | SVO |
| 8 | 9.9 | 2446696 | 1986-09-22 | 2446678 | 1986-09-04 | 18 | SVO |
| 9 | 10.0 | 2446975 | 1987-06-28 | 2446956 | 1987-06-09 | 19 | SVO |
| 10 | 10.1 | 2447261 | 1988-04-09 | 2447234 | 1988-03-13 | 27 | SVO |
| 11 | 10.0 | 2447529 | 1989-01-02 | 2447513 | 1988-12-17 | 16 | SVO |
| 12 | 10.1 | 2447808 | 1989-10-08 | 2447791 | 1989-09-21 | 17 | SVO |
| 13 | 10.1 | 2448093 | 1990-07-20 | 2448069 | 1990-06-26 | 24 | SVO |
| 14 | 10.6 | 2448378 | 1991-05-01 | 2448348 | 1991-04-01 | 30 | SVO |
| 15 | 9.9 | 2448644 | 1992-01-22 | 2448626 | 1992-01-04 | 18 | SVO |
| 16 | 10.0 | 2448918 | 1992-10-22 | 2448904 | 1992-10-08 | 14 | SVO |
| 17 | 9.7 | 2449186 | 1993-07-17 | 2449183 | 1993-07-14 | 3 | SVO |
| 18 | 2449471 | 1994-04-28 | 2449461 | 1994-04-18 | 10 | AAVSO | |
| 19 | 10.3 | 2449753 | 1995-02-04 | 2449739 | 1995-01-21 | 14 | SVO |
| 20 | 10.4 | 2450034 | 1995-11-12 | 2450018 | 1995-10-27 | 16 | SVO |
| 21 | 10.0 | 2450313 | 1996-08-17 | 2450296 | 1996-07-31 | 17 | SVO |
| 22 | 10.2 | 2450599 | 1997-05-30 | 2450574 | 1997-05-05 | 25 | SVO |
| 23 | 10.0 | 2450877 | 1998-03-04 | 2450853 | 1998-02-08 | 24 | SVO |
| 24 | 10.1 | 2451144 | 1998-11-26 | 2451131 | 1998-11-13 | 13 | SVO |
| 25 | 9.9 | 2451419 | 1999-08-28 | 2451409 | 1999-08-18 | 10 | SVO |
| 26 | 10.1 | 2451702 | 2000-06-06 | 2451688 | 2000-05-23 | 14 | SVO |
| 27 | 10.0 | 2451980 | 2001-03-11 | 2451966 | 2001-02-25 | 14 | SVO |
| 28 | 10.4 | 2452259 | 2001-12-15 | 2452244 | 2001-11-30 | 15 | SVO |
| 29 | 10.3 | 2452545 | 2002-09-27 | 2452523 | 2002-09-05 | 22 | SVO |
| 30 | 9.8 | 2452811 | 2003-06-20 | 2452801 | 2003-06-10 | 10 | SVO |
| 31 | 10.0 | 2453087 | 2004-03-22 | 2453079 | 2004-03-14 | 8 | SVO |
| 32 | 10.0 | 2453366 | 2004-12-26 | 2453358 | 2004-12-18 | 8 | SVO |
| 33 | 9.9 | 2453651 | 2005-10-07 | 2453636 | 2005-09-22 | 15 | SVO |
| 34 | 10.3 | 2453938 | 2006-07-21 | 2453914 | 2006-06-27 | 24 | SVO |
| 35 | 9.5 | 2454207 | 2007-04-16 | 2454193 | 2007-04-02 | 14 | SVO |
| 36 | 10.1 | 2454486 | 2008-01-20 | 2454471 | 2008-01-05 | 15 | SVO |
| 37 | 10.0 | 2454769 | 2008-10-29 | 2454749 | 2008-10-09 | 20 | SVO |
| 38 | 10.3 | 2455055 | 2009-08-11 | 2455028 | 2009-07-15 | 27 | SVO |
| 39 | 10.3 | 2455335 | 2010-05-18 | 2455306 | 2010-04-19 | 29 | SVO |
| 40 | 9.8 | 2455622 | 2011-03-01 | 2455584 | 2011-01-22 | 38 | SVO |
| 41 | 10.1 | 2455899 | 2011-12-03 | 2455863 | 2011-10-28 | 36 | SVO |
| 42 | 10.0 | 2456182 | 2012-09-11 | 2456141 | 2012-08-01 | 41 | SVO |
| 43 | 10.0 | 2456462 | 2013-06-18 | 2456419 | 2013-05-06 | 43 | SVO |
| 44 | 9.9 | 2456738 | 2014-03-21 | 2456698 | 2014-02-09 | 40 | SVO |
| 45 | 9.9 | 2457018 | 2014-12-26 | 2456976 | 2014-11-14 | 42 | AAVSO |
| 46 | 10.4 | 2457304 | 2015-10-08 | 2457254 | 2015-08-19 | 50 | SVO |
| 47 | 9.9 | 2457580 | 2016-07-10 | 2457533 | 2016-05-24 | 47 | SVO |
| 48 | 10.0 | 2457862 | 2017-04-18 | 2457811 | 2017-02-26 | 51 | SVO |
| 49 | 9.7 | 2458139 | 2018-01-20 | 2458089 | 2017-12-01 | 50 | SVO |
| 50 | 9.8 | 2458404 | 2018-10-12 | 2458368 | 2018-09-06 | 36 | SVO |
| 51 | 10.0 | 2458685 | 2019-07-20 | 2458646 | 2019-06-11 | 39 | SVO |
| 52 | 10.1 | 2458957 | 2020-04-17 | 2458924 | 2020-03-15 | 33 | SVO |
| 53 | 9.8 | 2459231 | 2021-01-16 | 2459202 | 2020-12-18 | 29 | SVO |
| 54 | 10.4 | 2459522 | 2021-11-03 | 2459481 | 2021-09-23 | 41 | SVO |
| 55 | 9.9 | 2459788 | 2022-07-27 | 2459759 | 2022-06-28 | 29 | 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. |