| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -73 | 2411298 | 1889-10-22 | 2411321 | 1889-11-14 | -23 | GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95 | |
| -67 | 2413728 | 1896-06-17 | 2413726 | 1896-06-15 | 2 | AnHar, 1952, vol 115 | |
| -66 | 2414140 | 1897-08-03 | 2414127 | 1897-07-21 | 13 | AnHar, 1952, vol 115 | |
| -65 | 2414530 | 1898-08-28 | 2414528 | 1898-08-26 | 2 | GuL, 1920, 1.2, AnHar, 1952, vol 115 | |
| -64 | 7.3 | 2414934 | 1899-10-06 | 2414929 | 1899-10-01 | 5 | SVO |
| -63 | 6.9 | 2415325 | 1900-11-01 | 2415330 | 1900-11-06 | -5 | SVO |
| -62 | 7.3 | 2415730 | 1901-12-11 | 2415731 | 1901-12-12 | -1 | SVO |
| -57 | 2417715 | 1907-05-19 | 2417736 | 1907-06-09 | -21 | AnHar, 1952, vol 115 | |
| -56 | 2418100 | 1908-06-07 | 2418137 | 1908-07-14 | -37 | AnHar, 1952, vol 115 | |
| -55 | 2418515 | 1909-07-27 | 2418538 | 1909-08-19 | -23 | AnHar, 1952, vol 115 | |
| -54 | 6.6 | 2418911 | 1910-08-27 | 2418939 | 1910-09-24 | -28 | SVO |
| -53 | 6.3 | 2419319 | 1911-10-09 | 2419340 | 1911-10-30 | -21 | SVO |
| -49 | 6.3 | 2420940 | 1916-03-17 | 2420944 | 1916-03-21 | -4 | SVO |
| -47 | 7.3 | 2421755 | 1918-06-10 | 2421745 | 1918-05-31 | 10 | SVO |
| -46 | 7.3 | 2422157 | 1919-07-17 | 2422146 | 1919-07-06 | 11 | SVO |
| -44 | 7.4 | 2422969 | 1921-10-06 | 2422948 | 1921-09-15 | 21 | AAVSO |
| -43 | 7.6 | 2423358 | 1922-10-30 | 2423349 | 1922-10-21 | 9 | SVO |
| -42 | 6.8 | 2423749 | 1923-11-25 | 2423750 | 1923-11-26 | -1 | SVO |
| -41 | 8.0 | 2424154 | 1925-01-03 | 2424151 | 1924-12-31 | 3 | AAVSO |
| -40 | 7.8 | 2424567 | 1926-02-20 | 2424552 | 1926-02-05 | 15 | AAVSO |
| -39 | 7.4 | 2424963 | 1927-03-23 | 2424953 | 1927-03-13 | 10 | SVO |
| -38 | 7.7 | 2425347 | 1928-04-10 | 2425354 | 1928-04-17 | -7 | SVO |
| -37 | 7.3 | 2425741 | 1929-05-09 | 2425755 | 1929-05-23 | -14 | SVO |
| -36 | 8.1 | 2426162 | 1930-07-04 | 2426156 | 1930-06-28 | 6 | SVO |
| -35 | 8.0 | 2426556 | 1931-08-02 | 2426557 | 1931-08-03 | -1 | AAVSO |
| -34 | 6.3 | 2426944 | 1932-08-24 | 2426958 | 1932-09-07 | -14 | SVO |
| -33 | 9.6 | 2427357 | 1933-10-11 | 2427359 | 1933-10-13 | -2 | SVO |
| -32 | 8.2 | 2427761 | 1934-11-19 | 2427760 | 1934-11-18 | 1 | SVO |
| -31 | 7.8 | 2428168 | 1935-12-31 | 2428161 | 1935-12-24 | 7 | SVO |
| -30 | 7.4 | 2428563 | 1937-01-29 | 2428562 | 1937-01-28 | 1 | SVO |
| -29 | 8.1 | 2428972 | 1938-03-14 | 2428963 | 1938-03-05 | 9 | SVO |
| -28 | 7.5 | 2429377 | 1939-04-23 | 2429364 | 1939-04-10 | 13 | SVO |
| -27 | 8.2 | 2429778 | 1940-05-28 | 2429764 | 1940-05-14 | 14 | SVO |
| -26 | 7.6 | 2430167 | 1941-06-21 | 2430165 | 1941-06-19 | 2 | SVO |
| -25 | 7.5 | 2430568 | 1942-07-27 | 2430566 | 1942-07-25 | 2 | SVO |
| -24 | 7.9 | 2430977 | 1943-09-09 | 2430967 | 1943-08-30 | 10 | SVO |
| -23 | 7.1 | 2431369 | 1944-10-05 | 2431368 | 1944-10-04 | 1 | SVO |
| -22 | 8.0 | 2431772 | 1945-11-12 | 2431769 | 1945-11-09 | 3 | SVO |
| -21 | 8.0 | 2432174 | 1946-12-19 | 2432170 | 1946-12-15 | 4 | SVO |
| -20 | 8.7 | 2432574 | 1948-01-23 | 2432571 | 1948-01-20 | 3 | SVO |
| -19 | 7.6 | 2432974 | 1949-02-26 | 2432972 | 1949-02-24 | 2 | SVO |
| -18 | 8.0 | 2433377 | 1950-04-05 | 2433373 | 1950-04-01 | 4 | SVO |
| -17 | 7.5 | 2433769 | 1951-05-02 | 2433774 | 1951-05-07 | -5 | SVO |
| -16 | 7.3 | 2434164 | 1952-05-31 | 2434175 | 1952-06-11 | -11 | SVO |
| -15 | 7.3 | 2434558 | 1953-06-29 | 2434576 | 1953-07-17 | -18 | SVO |
| -14 | 7.6 | 2434952 | 1954-07-28 | 2434977 | 1954-08-22 | -25 | SVO |
| -13 | 7.0 | 2435352 | 1955-09-01 | 2435378 | 1955-09-27 | -26 | SVO |
| -12 | 7.8 | 2435761 | 1956-10-14 | 2435779 | 1956-11-01 | -18 | SVO |
| -11 | 8.0 | 2436166 | 1957-11-23 | 2436180 | 1957-12-07 | -14 | SVO |
| -10 | 6.5 | 2436568 | 1958-12-30 | 2436581 | 1959-01-12 | -13 | SVO |
| -9 | 8.0 | 2436973 | 1960-02-08 | 2436982 | 1960-02-17 | -9 | SVO |
| -8 | 7.8 | 2437390 | 1961-03-31 | 2437383 | 1961-03-24 | 7 | SVO |
| -7 | 8.7 | 2437796 | 1962-05-11 | 2437783 | 1962-04-28 | 13 | SVO |
| -6 | 7.4 | 2438201 | 1963-06-20 | 2438184 | 1963-06-03 | 17 | SVO |
| -5 | 7.3 | 2438606 | 1964-07-29 | 2438585 | 1964-07-08 | 21 | SVO |
| -4 | 6.7 | 2439009 | 1965-09-05 | 2438986 | 1965-08-13 | 23 | SVO |
| -3 | 8.4 | 2439410 | 1966-10-11 | 2439387 | 1966-09-18 | 23 | SVO |
| -2 | 7.0 | 2439804 | 1967-11-09 | 2439788 | 1967-10-24 | 16 | SVO |
| -1 | 7.7 | 2440215 | 1968-12-24 | 2440189 | 1968-11-28 | 26 | SVO |
| 0 | 7.4 | 2440618 | 1970-01-31 | 2440590 | 1970-01-03 | 28 | SVO |
| 1 | 7.0 | 2440997 | 1971-02-14 | 2440991 | 1971-02-08 | 6 | SVO |
| 2 | 7.8 | 2441415 | 1972-04-07 | 2441392 | 1972-03-15 | 23 | SVO |
| 3 | 7.2 | 2441801 | 1973-04-28 | 2441793 | 1973-04-20 | 8 | SVO |
| 4 | 7.4 | 2442210 | 1974-06-11 | 2442194 | 1974-05-26 | 16 | AAVSO |
| 5 | 7.4 | 2442616 | 1975-07-22 | 2442595 | 1975-07-01 | 21 | SVO |
| 6 | 7.9 | 2443019 | 1976-08-28 | 2442996 | 1976-08-05 | 23 | SVO |
| 7 | 7.8 | 2443420 | 1977-10-03 | 2443397 | 1977-09-10 | 23 | SVO |
| 8 | 7.2 | 2443823 | 1978-11-10 | 2443798 | 1978-10-16 | 25 | SVO |
| 9 | 9.5 | 2444233 | 1979-12-25 | 2444199 | 1979-11-21 | 34 | AAVSO |
| 10 | 8.4 | 2444638 | 1981-02-02 | 2444600 | 1980-12-26 | 38 | SVO |
| 11 | 7.9 | 2445026 | 1982-02-25 | 2445001 | 1982-01-31 | 25 | SVO |
| 12 | 7.6 | 2445417 | 1983-03-23 | 2445402 | 1983-03-08 | 15 | SVO |
| 13 | 7.4 | 2445817 | 1984-04-26 | 2445802 | 1984-04-11 | 15 | SVO |
| 14 | 7.6 | 2446230 | 1985-06-13 | 2446203 | 1985-05-17 | 27 | AAVSO |
| 15 | 8.2 | 2446619 | 1986-07-07 | 2446604 | 1986-06-22 | 15 | SVO |
| 16 | 7.5 | 2447027 | 1987-08-19 | 2447005 | 1987-07-28 | 22 | SVO |
| 17 | 8.0 | 2447429 | 1988-09-24 | 2447406 | 1988-09-01 | 23 | SVO |
| 18 | 7.2 | 2447818 | 1989-10-18 | 2447807 | 1989-10-07 | 11 | SVO |
| 19 | 7.8 | 2448207 | 1990-11-11 | 2448208 | 1990-11-12 | -1 | SVO |
| 20 | 7.6 | 2448600 | 1991-12-09 | 2448609 | 1991-12-18 | -9 | SVO |
| 21 | 8.1 | 2448998 | 1993-01-10 | 2449010 | 1993-01-22 | -12 | SVO |
| 22 | 7.6 | 2449390 | 1994-02-06 | 2449411 | 1994-02-27 | -21 | SVO |
| 23 | 7.9 | 2449793 | 1995-03-16 | 2449812 | 1995-04-04 | -19 | SVO |
| 24 | 7.3 | 2450180 | 1996-04-06 | 2450213 | 1996-05-09 | -33 | SVO |
| 25 | 2450588 | 1997-05-19 | 2450614 | 1997-06-14 | -26 | AAVSO | |
| 26 | 2450986 | 1998-06-21 | 2451015 | 1998-07-20 | -29 | AAVSO | |
| 27 | 7.7 | 2451373 | 1999-07-13 | 2451416 | 1999-08-25 | -43 | SVO |
| 28 | 7.3 | 2451782 | 2000-08-25 | 2451817 | 2000-09-29 | -35 | SVO |
| 29 | 7.4 | 2452169 | 2001-09-16 | 2452218 | 2001-11-04 | -49 | SVO |
| 30 | 7.4 | 2452581 | 2002-11-02 | 2452619 | 2002-12-10 | -38 | SVO |
| 31 | 7.2 | 2452976 | 2003-12-02 | 2453020 | 2004-01-15 | -44 | SVO |
| 32 | 6.6 | 2453375 | 2005-01-04 | 2453421 | 2005-02-19 | -46 | SVO |
| 33 | 7.2 | 2453776 | 2006-02-09 | 2453821 | 2006-03-26 | -45 | SVO |
| 34 | 7.5 | 2454193 | 2007-04-02 | 2454222 | 2007-05-01 | -29 | SVO |
| 35 | 6.7 | 2454594 | 2008-05-07 | 2454623 | 2008-06-05 | -29 | SVO |
| 36 | 9.2 | 2455001 | 2009-06-18 | 2455024 | 2009-07-11 | -23 | SVO |
| 37 | 8.0 | 2455415 | 2010-08-06 | 2455425 | 2010-08-16 | -10 | SVO |
| 38 | 8.2 | 2455823 | 2011-09-18 | 2455826 | 2011-09-21 | -3 | SVO |
| 39 | 7.7 | 2456228 | 2012-10-27 | 2456227 | 2012-10-26 | 1 | SVO |
| 40 | 7.6 | 2456633 | 2013-12-06 | 2456628 | 2013-12-01 | 5 | SVO |
| 41 | 7.4 | 2457051 | 2015-01-28 | 2457029 | 2015-01-06 | 22 | SVO |
| 42 | 6.5 | 2457433 | 2016-02-14 | 2457430 | 2016-02-11 | 3 | SVO |
| 43 | 7.9 | 2457837 | 2017-03-24 | 2457831 | 2017-03-18 | 6 | SVO |
| 44 | 7.4 | 2458248 | 2018-05-09 | 2458232 | 2018-04-23 | 16 | SVO |
| 45 | 7.4 | 2458657 | 2019-06-22 | 2458633 | 2019-05-29 | 24 | SVO |
| 46 | 8.2 | 2459065 | 2020-08-03 | 2459034 | 2020-07-03 | 31 | SVO |
| 47 | 7.1 | 2459456 | 2021-08-29 | 2459435 | 2021-08-08 | 21 | SVO |
| 48 | 7.7 | 2459866 | 2022-10-13 | 2459836 | 2022-09-13 | 30 | 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. |