| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -116 | 2411230 | 1889-08-15 | 2411110 | 1889-04-17 | 120 | SVO | |
| -107 | 2413545 | 1895-12-17 | 2413463 | 1895-09-26 | 82 | GuL, 1918, 1.1 | |
| -106 | 2413796 | 1896-08-24 | 2413724 | 1896-06-13 | 72 | GuL, 1918, 1.1 | |
| -103 | 2414575 | 1898-10-12 | 2414508 | 1898-08-06 | 67 | SVO | |
| -102 | 2414820 | 1899-06-14 | 2414769 | 1899-04-24 | 51 | SVO | |
| -100 | 2415330 | 1900-11-06 | 2415292 | 1900-09-29 | 38 | SVO | |
| -99 | 2415590 | 1901-07-24 | 2415554 | 1901-06-18 | 36 | SVO | |
| -97 | 2416110 | 1902-12-26 | 2416076 | 1902-11-22 | 34 | SVO | |
| -96 | 2416365 | 1903-09-07 | 2416338 | 1903-08-11 | 27 | SVO | |
| -95 | 2416625 | 1904-05-24 | 2416599 | 1904-04-28 | 26 | SVO | |
| -93 | 2417150 | 1905-10-31 | 2417122 | 1905-10-03 | 28 | SVO | |
| -92 | 2417409 | 1906-07-17 | 2417383 | 1906-06-21 | 26 | SVO | |
| -90 | 2417925 | 1907-12-15 | 2417906 | 1907-11-26 | 19 | SVO | |
| -89 | 2418180 | 1908-08-26 | 2418167 | 1908-08-13 | 13 | SVO | |
| -86 | 2418970 | 1910-10-25 | 2418951 | 1910-10-06 | 19 | SVO | |
| -85 | 2419225 | 1911-07-07 | 2419213 | 1911-06-25 | 12 | SVO | |
| -83 | 2419730 | 1912-11-23 | 2419736 | 1912-11-29 | -6 | SVO | |
| -82 | 2419990 | 1913-08-10 | 2419997 | 1913-08-17 | -7 | SVO | |
| -79 | 2420770 | 1915-09-29 | 2420781 | 1915-10-10 | -11 | SVO | |
| -78 | 2421030 | 1916-06-15 | 2421042 | 1916-06-27 | -12 | SVO | |
| -76 | 2421545 | 1917-11-12 | 2421565 | 1917-12-02 | -20 | SVO | |
| -73 | 10.5 | 2422336 | 1920-01-12 | 2422349 | 1920-01-25 | -13 | SVO |
| -72 | 10.7 | 2422595 | 1920-09-27 | 2422611 | 1920-10-13 | -16 | SVO |
| -71 | 2422856 | 1921-06-15 | 2422872 | 1921-07-01 | -16 | AAVSO | |
| -70 | 2423115 | 1922-03-01 | 2423133 | 1922-03-19 | -18 | AAVSO | |
| -69 | 10.4 | 2423377 | 1922-11-18 | 2423395 | 1922-12-06 | -18 | SVO |
| -68 | 10.1 | 2423645 | 1923-08-13 | 2423656 | 1923-08-24 | -11 | AAVSO |
| -67 | 10.5 | 2423915 | 1924-05-09 | 2423918 | 1924-05-12 | -3 | AAVSO |
| -66 | 10.9 | 2424185 | 1925-02-03 | 2424179 | 1925-01-28 | 6 | SVO |
| -65 | 10.3 | 2424443 | 1925-10-19 | 2424440 | 1925-10-16 | 3 | AAVSO |
| -64 | 2424688 | 1926-06-21 | 2424702 | 1926-07-05 | -14 | AAVSO | |
| -63 | 11.2 | 2424953 | 1927-03-13 | 2424963 | 1927-03-23 | -10 | AAVSO |
| -62 | 10.3 | 2425214 | 1927-11-29 | 2425224 | 1927-12-09 | -10 | SVO |
| -61 | 10.9 | 2425474 | 1928-08-15 | 2425486 | 1928-08-27 | -12 | AAVSO |
| -60 | 10.7 | 2425734 | 1929-05-02 | 2425747 | 1929-05-15 | -13 | AAVSO |
| -59 | 11.1 | 2425998 | 1930-01-21 | 2426009 | 1930-02-01 | -11 | AAVSO |
| -58 | 10.6 | 2426257 | 1930-10-07 | 2426270 | 1930-10-20 | -13 | AAVSO |
| -56 | 10.4 | 2426777 | 1932-03-10 | 2426793 | 1932-03-26 | -16 | AAVSO |
| -55 | 10.5 | 2427027 | 1932-11-15 | 2427054 | 1932-12-12 | -27 | AAVSO |
| -54 | 2427297 | 1933-08-12 | 2427315 | 1933-08-30 | -18 | AAVSO | |
| -52 | 10.6 | 2427824 | 1935-01-21 | 2427838 | 1935-02-04 | -14 | AAVSO |
| -51 | 10.6 | 2428085 | 1935-10-09 | 2428100 | 1935-10-24 | -15 | AAVSO |
| -50 | 2428340 | 1936-06-20 | 2428361 | 1936-07-11 | -21 | SVO | |
| -49 | 10.3 | 2428605 | 1937-03-12 | 2428622 | 1937-03-29 | -17 | AAVSO |
| -48 | 10.8 | 2428868 | 1937-11-30 | 2428884 | 1937-12-16 | -16 | AAVSO |
| -47 | 2429112 | 1938-08-01 | 2429145 | 1938-09-03 | -33 | AAVSO | |
| -46 | 2429383 | 1939-04-29 | 2429407 | 1939-05-23 | -24 | AAVSO | |
| -45 | 10.8 | 2429639 | 1940-01-10 | 2429668 | 1940-02-08 | -29 | AAVSO |
| -44 | 10.8 | 2429895 | 1940-09-22 | 2429929 | 1940-10-26 | -34 | AAVSO |
| -43 | 2430160 | 1941-06-14 | 2430191 | 1941-07-15 | -31 | SVO | |
| -42 | 2430415 | 1942-02-24 | 2430452 | 1942-04-02 | -37 | AAVSO | |
| -41 | 10.2 | 2430674 | 1942-11-10 | 2430713 | 1942-12-19 | -39 | AAVSO |
| -40 | 2430935 | 1943-07-29 | 2430975 | 1943-09-07 | -40 | SVO | |
| -38 | 2431460 | 1945-01-04 | 2431498 | 1945-02-11 | -38 | SVO | |
| -37 | 2431734 | 1945-10-05 | 2431759 | 1945-10-30 | -25 | SVO | |
| -36 | 2432010 | 1946-07-08 | 2432020 | 1946-07-18 | -10 | SVO | |
| -34 | 2432520 | 1947-11-30 | 2432543 | 1947-12-23 | -23 | SVO | |
| -33 | 2432787 | 1948-08-23 | 2432804 | 1948-09-09 | -17 | SVO | |
| -32 | 2433038 | 1949-05-01 | 2433066 | 1949-05-29 | -28 | AAVSO | |
| -31 | 9.9 | 2433310 | 1950-01-28 | 2433327 | 1950-02-14 | -17 | AAVSO |
| -30 | 2433567 | 1950-10-12 | 2433589 | 1950-11-03 | -22 | AAVSO | |
| -29 | 2433851 | 1951-07-23 | 2433850 | 1951-07-22 | 1 | AAVSO | |
| -28 | 2434113 | 1952-04-10 | 2434111 | 1952-04-08 | 2 | AAVSO | |
| -27 | 11.1 | 2434375 | 1952-12-28 | 2434373 | 1952-12-26 | 2 | SVO |
| -26 | 10.9 | 2434629 | 1953-09-08 | 2434634 | 1953-09-13 | -5 | SVO |
| -25 | 10.4 | 2434878 | 1954-05-15 | 2434895 | 1954-06-01 | -17 | SVO |
| -24 | 10.8 | 2435144 | 1955-02-05 | 2435157 | 1955-02-18 | -13 | SVO |
| -23 | 10.5 | 2435405 | 1955-10-24 | 2435418 | 1955-11-06 | -13 | SVO |
| -22 | 10.8 | 2435682 | 1956-07-27 | 2435680 | 1956-07-25 | 2 | SVO |
| -21 | 11.1 | 2435950 | 1957-04-21 | 2435941 | 1957-04-12 | 9 | SVO |
| -20 | 11.0 | 2436212 | 1958-01-08 | 2436202 | 1957-12-29 | 10 | SVO |
| -19 | 10.7 | 2436466 | 1958-09-19 | 2436464 | 1958-09-17 | 2 | SVO |
| -18 | 10.6 | 2436736 | 1959-06-16 | 2436725 | 1959-06-05 | 11 | SVO |
| -17 | 10.8 | 2436990 | 1960-02-25 | 2436986 | 1960-02-21 | 4 | SVO |
| -16 | 10.9 | 2437254 | 1960-11-15 | 2437248 | 1960-11-09 | 6 | SVO |
| -15 | 10.4 | 2437509 | 1961-07-28 | 2437509 | 1961-07-28 | 0 | SVO |
| -14 | 11.0 | 2437775 | 1962-04-20 | 2437771 | 1962-04-16 | 4 | SVO |
| -13 | 10.7 | 2438036 | 1963-01-06 | 2438032 | 1963-01-02 | 4 | SVO |
| -12 | 10.8 | 2438296 | 1963-09-23 | 2438293 | 1963-09-20 | 3 | SVO |
| -11 | 10.6 | 2438550 | 1964-06-03 | 2438555 | 1964-06-08 | -5 | AAVSO |
| -10 | 10.9 | 2438811 | 1965-02-19 | 2438816 | 1965-02-24 | -5 | SVO |
| -9 | 10.6 | 2439075 | 1965-11-10 | 2439077 | 1965-11-12 | -2 | SVO |
| -8 | 10.8 | 2439345 | 1966-08-07 | 2439339 | 1966-08-01 | 6 | SVO |
| -7 | 10.9 | 2439597 | 1967-04-16 | 2439600 | 1967-04-19 | -3 | SVO |
| -6 | 10.9 | 2439861 | 1968-01-05 | 2439862 | 1968-01-06 | -1 | SVO |
| -5 | 10.5 | 2440119 | 1968-09-19 | 2440123 | 1968-09-23 | -4 | SVO |
| -4 | 10.6 | 2440380 | 1969-06-07 | 2440384 | 1969-06-11 | -4 | SVO |
| -3 | 10.5 | 2440639 | 1970-02-21 | 2440646 | 1970-02-28 | -7 | SVO |
| -2 | 10.8 | 2440897 | 1970-11-06 | 2440907 | 1970-11-16 | -10 | SVO |
| -1 | 10.9 | 2441155 | 1971-07-22 | 2441168 | 1971-08-04 | -13 | SVO |
| 0 | 2441419 | 1972-04-11 | 2441430 | 1972-04-22 | -11 | AAVSO | |
| 1 | 2441679 | 1972-12-27 | 2441691 | 1973-01-08 | -12 | AAVSO | |
| 2 | 10.8 | 2441939 | 1973-09-13 | 2441953 | 1973-09-27 | -14 | AAVSO |
| 3 | 10.5 | 2442204 | 1974-06-05 | 2442214 | 1974-06-15 | -10 | AAVSO |
| 4 | 11.0 | 2442452 | 1975-02-08 | 2442475 | 1975-03-03 | -23 | SVO |
| 5 | 10.5 | 2442717 | 1975-10-31 | 2442737 | 1975-11-20 | -20 | SVO |
| 6 | 10.8 | 2442972 | 1976-07-12 | 2442998 | 1976-08-07 | -26 | AAVSO |
| 7 | 10.9 | 2443236 | 1977-04-02 | 2443259 | 1977-04-25 | -23 | AAVSO |
| 8 | 10.9 | 2443496 | 1977-12-18 | 2443521 | 1978-01-12 | -25 | SVO |
| 9 | 10.9 | 2443765 | 1978-09-13 | 2443782 | 1978-09-30 | -17 | SVO |
| 10 | 10.7 | 2444020 | 1979-05-26 | 2444044 | 1979-06-19 | -24 | AAVSO |
| 11 | 10.6 | 2444287 | 1980-02-17 | 2444305 | 1980-03-06 | -18 | AAVSO |
| 12 | 10.7 | 2444550 | 1980-11-06 | 2444566 | 1980-11-22 | -16 | SVO |
| 13 | 11.0 | 2444814 | 1981-07-28 | 2444828 | 1981-08-11 | -14 | SVO |
| 14 | 10.3 | 2445074 | 1982-04-14 | 2445089 | 1982-04-29 | -15 | AAVSO |
| 15 | 10.3 | 2445351 | 1983-01-16 | 2445350 | 1983-01-15 | 1 | AAVSO |
| 16 | 11.1 | 2445605 | 1983-09-27 | 2445612 | 1983-10-04 | -7 | SVO |
| 17 | 10.9 | 2445867 | 1984-06-15 | 2445873 | 1984-06-21 | -6 | AAVSO |
| 18 | 10.8 | 2446129 | 1985-03-04 | 2446135 | 1985-03-10 | -6 | AAVSO |
| 19 | 10.7 | 2446403 | 1985-12-03 | 2446396 | 1985-11-26 | 7 | SVO |
| 20 | 10.6 | 2446657 | 1986-08-14 | 2446657 | 1986-08-14 | 0 | SVO |
| 21 | 11.1 | 2446915 | 1987-04-29 | 2446919 | 1987-05-03 | -4 | AAVSO |
| 22 | 10.6 | 2447167 | 1988-01-06 | 2447180 | 1988-01-19 | -13 | SVO |
| 23 | 10.8 | 2447434 | 1988-09-29 | 2447441 | 1988-10-06 | -7 | SVO |
| 24 | 2447691 | 1989-06-13 | 2447703 | 1989-06-25 | -12 | AAVSO | |
| 25 | 2447954 | 1990-03-03 | 2447964 | 1990-03-13 | -10 | AAVSO | |
| 26 | 10.7 | 2448216 | 1990-11-20 | 2448226 | 1990-11-30 | -10 | SVO |
| 27 | 10.7 | 2448483 | 1991-08-14 | 2448487 | 1991-08-18 | -4 | SVO |
| 28 | 2448734 | 1992-04-21 | 2448748 | 1992-05-05 | -14 | AAVSO | |
| 29 | 2449006 | 1993-01-18 | 2449010 | 1993-01-22 | -4 | AAVSO | |
| 30 | 10.9 | 2449274 | 1993-10-13 | 2449271 | 1993-10-10 | 3 | SVO |
| 31 | 2449548 | 1994-07-14 | 2449532 | 1994-06-28 | 16 | AAVSO | |
| 32 | 2449805 | 1995-03-28 | 2449794 | 1995-03-17 | 11 | AAVSO | |
| 33 | 10.8 | 2450042 | 1995-11-20 | 2450055 | 1995-12-03 | -13 | SVO |
| 34 | 2450306 | 1996-08-10 | 2450317 | 1996-08-21 | -11 | AAVSO | |
| 35 | 2450573 | 1997-05-04 | 2450578 | 1997-05-09 | -5 | AAVSO | |
| 36 | 2450829 | 1998-01-15 | 2450839 | 1998-01-25 | -10 | AAVSO | |
| 37 | 10.9 | 2451094 | 1998-10-07 | 2451101 | 1998-10-14 | -7 | SVO |
| 38 | 2451352 | 1999-06-22 | 2451362 | 1999-07-02 | -10 | AAVSO | |
| 39 | 2451614 | 2000-03-10 | 2451623 | 2000-03-19 | -9 | AAVSO | |
| 40 | 10.5 | 2451881 | 2000-12-02 | 2451885 | 2000-12-06 | -4 | SVO |
| 41 | 10.1 | 2452139 | 2001-08-17 | 2452146 | 2001-08-24 | -7 | SVO |
| 42 | 2452394 | 2002-04-29 | 2452408 | 2002-05-13 | -14 | AAVSO | |
| 43 | 10.5 | 2452668 | 2003-01-28 | 2452669 | 2003-01-29 | -1 | SVO |
| 44 | 10.2 | 2452936 | 2003-10-23 | 2452930 | 2003-10-17 | 6 | SVO |
| 45 | 2453201 | 2004-07-14 | 2453192 | 2004-07-05 | 9 | AAVSO | |
| 46 | 2453463 | 2005-04-02 | 2453453 | 2005-03-23 | 10 | AAVSO | |
| 47 | 10.2 | 2453729 | 2005-12-24 | 2453714 | 2005-12-09 | 15 | SVO |
| 48 | 10.3 | 2453992 | 2006-09-13 | 2453976 | 2006-08-28 | 16 | SVO |
| 49 | 2454262 | 2007-06-10 | 2454237 | 2007-05-16 | 25 | AAVSO | |
| 50 | 10.1 | 2454529 | 2008-03-03 | 2454499 | 2008-02-02 | 30 | SVO |
| 51 | 10.0 | 2454786 | 2008-11-15 | 2454760 | 2008-10-20 | 26 | SVO |
| 52 | 10.1 | 2455051 | 2009-08-07 | 2455021 | 2009-07-08 | 30 | SVO |
| 53 | 2455323 | 2010-05-06 | 2455283 | 2010-03-27 | 40 | AAVSO | |
| 54 | 10.8 | 2455583 | 2011-01-21 | 2455544 | 2010-12-13 | 39 | AAVSO |
| 55 | 10.4 | 2455844 | 2011-10-09 | 2455805 | 2011-08-31 | 39 | AAVSO |
| 56 | 2456100 | 2012-06-21 | 2456067 | 2012-05-19 | 33 | AAVSO | |
| 57 | 2456356 | 2013-03-04 | 2456328 | 2013-02-04 | 28 | AAVSO | |
| 58 | 10.4 | 2456618 | 2013-11-21 | 2456590 | 2013-10-24 | 28 | AAVSO |
| 59 | 10.5 | 2456876 | 2014-08-06 | 2456851 | 2014-07-12 | 25 | SVO |
| 60 | 2457142 | 2015-04-29 | 2457112 | 2015-03-30 | 30 | AAVSO | |
| 61 | 11.3 | 2457387 | 2015-12-30 | 2457374 | 2015-12-17 | 13 | AAVSO |
| 62 | 10.5 | 2457654 | 2016-09-22 | 2457635 | 2016-09-03 | 19 | SVO |
| 63 | 10.6 | 2457917 | 2017-06-12 | 2457896 | 2017-05-22 | 21 | AAVSO |
| 64 | 10.3 | 2458168 | 2018-02-18 | 2458158 | 2018-02-08 | 10 | SVO |
| 65 | 9.9 | 2458438 | 2018-11-15 | 2458419 | 2018-10-27 | 19 | SVO |
| 66 | 9.9 | 2458702 | 2019-08-06 | 2458681 | 2019-07-16 | 21 | SVO |
| 67 | 2458964 | 2020-04-24 | 2458942 | 2020-04-02 | 22 | SVO | |
| 68 | 2459220 | 2021-01-05 | 2459203 | 2020-12-19 | 17 | SVO | |
| 69 | 9.9 | 2459479 | 2021-09-21 | 2459465 | 2021-09-07 | 14 | SVO |
| 70 | 2459740 | 2022-06-09 | 2459726 | 2022-05-26 | 14 | 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. |