| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -90 | 2414502 | 1898-07-31 | 2414448 | 1898-06-07 | 54 | AnHar, 1937, vol 105, p 459 | |
| -89 | 2414757 | 1899-04-12 | 2414722 | 1899-03-08 | 35 | GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95 | |
| -87 | 2415307 | 1900-10-14 | 2415272 | 1900-09-09 | 35 | GuL, 1920, 1.2 | |
| -86 | 2415581 | 1901-07-15 | 2415546 | 1901-06-10 | 35 | GuL, 1920, 1.2 | |
| -83 | 2416390 | 1903-10-02 | 2416370 | 1903-09-12 | 20 | AnHar, 1952, vol 115 | |
| -82 | 2416675 | 1904-07-13 | 2416645 | 1904-06-13 | 30 | AnHar, 1952, vol 115 | |
| -81 | 2416969 | 1905-05-03 | 2416920 | 1905-03-15 | 49 | AAVSO | |
| -80 | 2417239 | 1906-01-28 | 2417194 | 1905-12-14 | 45 | AAVSO | |
| -79 | 9.5 | 2417495 | 1906-10-11 | 2417469 | 1906-09-15 | 26 | AAVSO |
| -78 | 2417763 | 1907-07-06 | 2417744 | 1907-06-17 | 19 | AAVSO | |
| -77 | 2418037 | 1908-04-05 | 2418018 | 1908-03-17 | 19 | AAVSO | |
| -76 | 2418312 | 1909-01-05 | 2418293 | 1908-12-17 | 19 | AAVSO | |
| -75 | 8.8 | 2418592 | 1909-10-12 | 2418568 | 1909-09-18 | 24 | AAVSO |
| -74 | 2418869 | 1910-07-16 | 2418842 | 1910-06-19 | 27 | AAVSO | |
| -71 | 2419690 | 1912-10-14 | 2419666 | 1912-09-20 | 24 | SVO | |
| -70 | 9.5 | 2419949 | 1913-06-30 | 2419941 | 1913-06-22 | 8 | AAVSO |
| -68 | 2420508 | 1915-01-10 | 2420490 | 1914-12-23 | 18 | AAVSO | |
| -67 | 9.4 | 2420793 | 1915-10-22 | 2420765 | 1915-09-24 | 28 | AAVSO |
| -66 | 9.6 | 2421049 | 1916-07-04 | 2421040 | 1916-06-25 | 9 | AAVSO |
| -65 | 2421321 | 1917-04-02 | 2421314 | 1917-03-26 | 7 | AAVSO | |
| -64 | 2421595 | 1918-01-01 | 2421589 | 1917-12-26 | 6 | AAVSO | |
| -63 | 9.5 | 2421865 | 1918-09-28 | 2421864 | 1918-09-27 | 1 | AAVSO |
| -62 | 2422131 | 1919-06-21 | 2422139 | 1919-06-29 | -8 | AAVSO | |
| -61 | 2422396 | 1920-03-12 | 2422413 | 1920-03-29 | -17 | AAVSO | |
| -60 | 8.9 | 2422663 | 1920-12-04 | 2422688 | 1920-12-29 | -25 | AAVSO |
| -59 | 9.5 | 2422931 | 1921-08-29 | 2422963 | 1921-09-30 | -32 | AAVSO |
| -58 | 10.2 | 2423214 | 1922-06-08 | 2423237 | 1922-07-01 | -23 | AAVSO |
| -57 | 9.5 | 2423499 | 1923-03-20 | 2423512 | 1923-04-02 | -13 | AAVSO |
| -56 | 9.6 | 2423762 | 1923-12-08 | 2423787 | 1924-01-02 | -25 | SVO |
| -55 | 9.2 | 2424039 | 1924-09-10 | 2424061 | 1924-10-02 | -22 | SVO |
| -54 | 9.2 | 2424315 | 1925-06-13 | 2424336 | 1925-07-04 | -21 | SVO |
| -53 | 9.2 | 2424591 | 1926-03-16 | 2424611 | 1926-04-05 | -20 | AAVSO |
| -52 | 9.2 | 2424868 | 1926-12-18 | 2424885 | 1927-01-04 | -17 | SVO |
| -51 | 9.1 | 2425149 | 1927-09-25 | 2425160 | 1927-10-06 | -11 | SVO |
| -50 | 9.2 | 2425423 | 1928-06-25 | 2425435 | 1928-07-07 | -12 | SVO |
| -49 | 9.8 | 2425708 | 1929-04-06 | 2425709 | 1929-04-07 | -1 | SVO |
| -48 | 8.9 | 2425970 | 1929-12-24 | 2425984 | 1930-01-07 | -14 | SVO |
| -47 | 10.2 | 2426251 | 1930-10-01 | 2426259 | 1930-10-09 | -8 | SVO |
| -46 | 9.6 | 2426536 | 1931-07-13 | 2426533 | 1931-07-10 | 3 | SVO |
| -45 | 9.5 | 2426809 | 1932-04-11 | 2426808 | 1932-04-10 | 1 | SVO |
| -44 | 9.6 | 2427085 | 1933-01-12 | 2427083 | 1933-01-10 | 2 | SVO |
| -43 | 9.0 | 2427353 | 1933-10-07 | 2427357 | 1933-10-11 | -4 | SVO |
| -42 | 9.5 | 2427624 | 1934-07-05 | 2427632 | 1934-07-13 | -8 | SVO |
| -41 | 9.3 | 2427897 | 1935-04-04 | 2427907 | 1935-04-14 | -10 | SVO |
| -40 | 2428181 | 1936-01-13 | 2428181 | 1936-01-13 | 0 | AAVSO | |
| -39 | 9.7 | 2428451 | 1936-10-09 | 2428456 | 1936-10-14 | -5 | SVO |
| -38 | 9.3 | 2428711 | 1937-06-26 | 2428731 | 1937-07-16 | -20 | SVO |
| -37 | 2428974 | 1938-03-16 | 2429005 | 1938-04-16 | -31 | AAVSO | |
| -36 | 9.4 | 2429249 | 1938-12-16 | 2429280 | 1939-01-16 | -31 | AAVSO |
| -35 | 9.4 | 2429522 | 1939-09-15 | 2429555 | 1939-10-18 | -33 | SVO |
| -34 | 8.7 | 2429788 | 1940-06-07 | 2429829 | 1940-07-18 | -41 | AAVSO |
| -32 | 9.6 | 2430329 | 1941-11-30 | 2430379 | 1942-01-19 | -50 | AAVSO |
| -31 | 9.6 | 2430613 | 1942-09-10 | 2430653 | 1942-10-20 | -40 | SVO |
| -30 | 9.4 | 2430891 | 1943-06-15 | 2430928 | 1943-07-22 | -37 | SVO |
| -29 | 2431170 | 1944-03-20 | 2431203 | 1944-04-22 | -33 | AAVSO | |
| -28 | 9.5 | 2431440 | 1944-12-15 | 2431477 | 1945-01-21 | -37 | AAVSO |
| -27 | 9.3 | 2431718 | 1945-09-19 | 2431752 | 1945-10-23 | -34 | SVO |
| -26 | 8.8 | 2431997 | 1946-06-25 | 2432027 | 1946-07-25 | -30 | AAVSO |
| -24 | 9.2 | 2432550 | 1947-12-30 | 2432576 | 1948-01-25 | -26 | AAVSO |
| -23 | 9.8 | 2432835 | 1948-10-10 | 2432851 | 1948-10-26 | -16 | SVO |
| -22 | 9.8 | 2433115 | 1949-07-17 | 2433125 | 1949-07-27 | -10 | SVO |
| -21 | 9.7 | 2433397 | 1950-04-25 | 2433400 | 1950-04-28 | -3 | AAVSO |
| -20 | 2433663 | 1951-01-16 | 2433675 | 1951-01-28 | -12 | AAVSO | |
| -19 | 9.0 | 2433942 | 1951-10-22 | 2433950 | 1951-10-30 | -8 | SVO |
| -18 | 9.4 | 2434222 | 1952-07-28 | 2434224 | 1952-07-30 | -2 | SVO |
| -17 | 9.5 | 2434499 | 1953-05-01 | 2434499 | 1953-05-01 | 0 | AAVSO |
| -16 | 2434778 | 1954-02-04 | 2434774 | 1954-01-31 | 4 | AAVSO | |
| -15 | 9.2 | 2435056 | 1954-11-09 | 2435048 | 1954-11-01 | 8 | AAVSO |
| -14 | 10.1 | 2435339 | 1955-08-19 | 2435323 | 1955-08-03 | 16 | SVO |
| -13 | 9.0 | 2435609 | 1956-05-15 | 2435598 | 1956-05-04 | 11 | AAVSO |
| -12 | 9.7 | 2435891 | 1957-02-21 | 2435872 | 1957-02-02 | 19 | AAVSO |
| -11 | 9.3 | 2436160 | 1957-11-17 | 2436147 | 1957-11-04 | 13 | AAVSO |
| -10 | 9.0 | 2436431 | 1958-08-15 | 2436422 | 1958-08-06 | 9 | SVO |
| -9 | 9.2 | 2436702 | 1959-05-13 | 2436696 | 1959-05-07 | 6 | AAVSO |
| -8 | 2436976 | 1960-02-11 | 2436971 | 1960-02-06 | 5 | AAVSO | |
| -7 | 9.1 | 2437248 | 1960-11-09 | 2437246 | 1960-11-07 | 2 | AAVSO |
| -6 | 9.5 | 2437532 | 1961-08-20 | 2437520 | 1961-08-08 | 12 | SVO |
| -5 | 9.6 | 2437802 | 1962-05-17 | 2437795 | 1962-05-10 | 7 | AAVSO |
| -4 | 2438076 | 1963-02-15 | 2438070 | 1963-02-09 | 6 | AAVSO | |
| -3 | 9.2 | 2438350 | 1963-11-16 | 2438344 | 1963-11-10 | 6 | SVO |
| -2 | 9.8 | 2438632 | 1964-08-24 | 2438619 | 1964-08-11 | 13 | SVO |
| -1 | 9.5 | 2438907 | 1965-05-26 | 2438894 | 1965-05-13 | 13 | AAVSO |
| 0 | 9.5 | 2439165 | 1966-02-08 | 2439168 | 1966-02-11 | -3 | SVO |
| 1 | 9.3 | 2439441 | 1966-11-11 | 2439443 | 1966-11-13 | -2 | SVO |
| 2 | 9.3 | 2439713 | 1967-08-10 | 2439718 | 1967-08-15 | -5 | SVO |
| 3 | 9.2 | 2439992 | 1968-05-15 | 2439992 | 1968-05-15 | 0 | AAVSO |
| 4 | 2440264 | 1969-02-11 | 2440267 | 1969-02-14 | -3 | AAVSO | |
| 5 | 9.2 | 2440535 | 1969-11-09 | 2440542 | 1969-11-16 | -7 | SVO |
| 6 | 9.6 | 2440806 | 1970-08-07 | 2440816 | 1970-08-17 | -10 | SVO |
| 7 | 9.0 | 2441081 | 1971-05-09 | 2441091 | 1971-05-19 | -10 | AAVSO |
| 8 | 2441349 | 1972-02-01 | 2441366 | 1972-02-18 | -17 | AAVSO | |
| 9 | 9.5 | 2441629 | 1972-11-07 | 2441640 | 1972-11-18 | -11 | AAVSO |
| 10 | 9.3 | 2441902 | 1973-08-07 | 2441915 | 1973-08-20 | -13 | SVO |
| 11 | 9.2 | 2442176 | 1974-05-08 | 2442190 | 1974-05-22 | -14 | AAVSO |
| 12 | 2442455 | 1975-02-11 | 2442464 | 1975-02-20 | -9 | AAVSO | |
| 13 | 9.7 | 2442722 | 1975-11-05 | 2442739 | 1975-11-22 | -17 | AAVSO |
| 14 | 9.4 | 2443001 | 1976-08-10 | 2443014 | 1976-08-23 | -13 | SVO |
| 15 | 9.4 | 2443271 | 1977-05-07 | 2443288 | 1977-05-24 | -17 | AAVSO |
| 16 | 12.0 | 2443547 | 1978-02-07 | 2443563 | 1978-02-23 | -16 | AAVSO |
| 17 | 9.3 | 2443817 | 1978-11-04 | 2443838 | 1978-11-25 | -21 | AAVSO |
| 18 | 9.3 | 2444102 | 1979-08-16 | 2444112 | 1979-08-26 | -10 | SVO |
| 19 | 9.5 | 2444388 | 1980-05-28 | 2444387 | 1980-05-27 | 1 | SVO |
| 20 | 9.6 | 2444660 | 1981-02-24 | 2444662 | 1981-02-26 | -2 | AAVSO |
| 21 | 9.3 | 2444941 | 1981-12-02 | 2444936 | 1981-11-27 | 5 | AAVSO |
| 22 | 9.7 | 2445225 | 1982-09-12 | 2445211 | 1982-08-29 | 14 | SVO |
| 23 | 9.1 | 2445495 | 1983-06-09 | 2445486 | 1983-05-31 | 9 | SVO |
| 24 | 9.8 | 2445779 | 1984-03-19 | 2445761 | 1984-03-01 | 18 | AAVSO |
| 25 | 9.7 | 2446049 | 1984-12-14 | 2446035 | 1984-11-30 | 14 | SVO |
| 26 | 9.4 | 2446324 | 1985-09-15 | 2446310 | 1985-09-01 | 14 | SVO |
| 27 | 8.8 | 2446589 | 1986-06-07 | 2446585 | 1986-06-03 | 4 | SVO |
| 28 | 11.1 | 2446858 | 1987-03-03 | 2446859 | 1987-03-04 | -1 | AAVSO |
| 29 | 9.8 | 2447143 | 1987-12-13 | 2447134 | 1987-12-04 | 9 | SVO |
| 30 | 9.9 | 2447416 | 1988-09-11 | 2447409 | 1988-09-04 | 7 | SVO |
| 31 | 10.1 | 2447687 | 1989-06-09 | 2447683 | 1989-06-05 | 4 | SVO |
| 32 | 9.3 | 2447963 | 1990-03-12 | 2447958 | 1990-03-07 | 5 | SVO |
| 33 | 10.1 | 2448229 | 1990-12-03 | 2448233 | 1990-12-07 | -4 | SVO |
| 34 | 9.7 | 2448507 | 1991-09-07 | 2448507 | 1991-09-07 | 0 | SVO |
| 35 | 8.9 | 2448773 | 1992-05-30 | 2448782 | 1992-06-08 | -9 | SVO |
| 36 | 9.4 | 2449049 | 1993-03-02 | 2449057 | 1993-03-10 | -8 | SVO |
| 37 | 9.7 | 2449325 | 1993-12-03 | 2449331 | 1993-12-09 | -6 | SVO |
| 38 | 9.3 | 2449593 | 1994-08-28 | 2449606 | 1994-09-10 | -13 | SVO |
| 39 | 9.9 | 2449870 | 1995-06-01 | 2449881 | 1995-06-12 | -11 | SVO |
| 40 | 9.7 | 2450150 | 1996-03-07 | 2450155 | 1996-03-12 | -5 | SVO |
| 41 | 9.9 | 2450426 | 1996-12-08 | 2450430 | 1996-12-12 | -4 | SVO |
| 42 | 9.4 | 2450699 | 1997-09-07 | 2450705 | 1997-09-13 | -6 | SVO |
| 43 | 9.4 | 2450972 | 1998-06-07 | 2450979 | 1998-06-14 | -7 | SVO |
| 44 | 9.4 | 2451247 | 1999-03-09 | 2451254 | 1999-03-16 | -7 | SVO |
| 45 | 9.7 | 2451530 | 1999-12-17 | 2451529 | 1999-12-16 | 1 | SVO |
| 46 | 10.0 | 2451809 | 2000-09-21 | 2451803 | 2000-09-15 | 6 | SVO |
| 47 | 9.4 | 2452082 | 2001-06-21 | 2452078 | 2001-06-17 | 4 | SVO |
| 48 | 9.1 | 2452354 | 2002-03-20 | 2452353 | 2002-03-19 | 1 | SVO |
| 49 | 9.8 | 2452636 | 2002-12-27 | 2452627 | 2002-12-18 | 9 | SVO |
| 50 | 9.1 | 2452907 | 2003-09-24 | 2452902 | 2003-09-19 | 5 | SVO |
| 51 | 9.6 | 2453184 | 2004-06-27 | 2453177 | 2004-06-20 | 7 | SVO |
| 52 | 9.6 | 2453469 | 2005-04-08 | 2453451 | 2005-03-21 | 18 | SVO |
| 53 | 9.2 | 2453739 | 2006-01-03 | 2453726 | 2005-12-21 | 13 | SVO |
| 54 | 9.4 | 2454012 | 2006-10-03 | 2454001 | 2006-09-22 | 11 | SVO |
| 55 | 10.0 | 2454291 | 2007-07-09 | 2454275 | 2007-06-23 | 16 | SVO |
| 56 | 2454575 | 2008-04-18 | 2454550 | 2008-03-24 | 25 | AAVSO | |
| 57 | 9.5 | 2454837 | 2009-01-05 | 2454825 | 2008-12-24 | 12 | SVO |
| 58 | 9.2 | 2455114 | 2009-10-09 | 2455099 | 2009-09-24 | 15 | SVO |
| 59 | 9.4 | 2455389 | 2010-07-11 | 2455374 | 2010-06-26 | 15 | SVO |
| 60 | 9.4 | 2455662 | 2011-04-10 | 2455649 | 2011-03-28 | 13 | AAVSO |
| 61 | 9.4 | 2455927 | 2011-12-31 | 2455923 | 2011-12-27 | 4 | SVO |
| 62 | 9.8 | 2456204 | 2012-10-03 | 2456198 | 2012-09-27 | 6 | SVO |
| 63 | 9.0 | 2456483 | 2013-07-09 | 2456473 | 2013-06-29 | 10 | SVO |
| 64 | 9.5 | 2456750 | 2014-04-02 | 2456747 | 2014-03-30 | 3 | AAVSO |
| 65 | 9.3 | 2457034 | 2015-01-11 | 2457022 | 2014-12-30 | 12 | SVO |
| 66 | 9.1 | 2457304 | 2015-10-08 | 2457297 | 2015-10-01 | 7 | SVO |
| 67 | 9.0 | 2457577 | 2016-07-07 | 2457572 | 2016-07-02 | 5 | SVO |
| 68 | 9.4 | 2457858 | 2017-04-14 | 2457846 | 2017-04-02 | 12 | SVO |
| 69 | 9.4 | 2458133 | 2018-01-14 | 2458121 | 2018-01-02 | 12 | SVO |
| 70 | 9.3 | 2458403 | 2018-10-11 | 2458396 | 2018-10-04 | 7 | SVO |
| 71 | 9.2 | 2458677 | 2019-07-12 | 2458670 | 2019-07-05 | 7 | SVO |
| 72 | 9.4 | 2458947 | 2020-04-07 | 2458945 | 2020-04-05 | 2 | SVO |
| 73 | 9.3 | 2459221 | 2021-01-06 | 2459220 | 2021-01-05 | 1 | SVO |
| 74 | 9.9 | 2459501 | 2021-10-13 | 2459494 | 2021-10-06 | 7 | SVO |
| 75 | 9.0 | 2459775 | 2022-07-14 | 2459769 | 2022-07-08 | 6 | 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. |