| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -83 | 2413892 | 1896-11-28 | 2413918 | 1896-12-24 | -26 | AAVSO | |
| -82 | 8.8 | 2414372 | 1898-03-23 | 2414404 | 1898-04-24 | -32 | SVO |
| -81 | 7.7 | 2414842 | 1899-07-06 | 2414889 | 1899-08-22 | -47 | SVO |
| -80 | 2415358 | 1900-12-04 | 2415375 | 1900-12-21 | -17 | AAVSO | |
| -79 | 7.7 | 2415832 | 1902-03-23 | 2415861 | 1902-04-21 | -29 | AAVSO |
| -78 | 2416306 | 1903-07-10 | 2416346 | 1903-08-19 | -40 | AAVSO | |
| -77 | 7.7 | 2416773 | 1904-10-19 | 2416832 | 1904-12-17 | -59 | SVO |
| -76 | 8.6 | 2417231 | 1906-01-20 | 2417317 | 1906-04-16 | -86 | SVO |
| -75 | 7.8 | 2417745 | 1907-06-18 | 2417803 | 1907-08-15 | -58 | AAVSO |
| -74 | 7.8 | 2418184 | 1908-08-30 | 2418289 | 1908-12-13 | -105 | AAVSO |
| -73 | 2418680 | 1910-01-08 | 2418774 | 1910-04-12 | -94 | AAVSO | |
| -72 | 8.0 | 2419169 | 1911-05-12 | 2419260 | 1911-08-11 | -91 | AAVSO |
| -71 | 8.9 | 2419647 | 1912-09-01 | 2419745 | 1912-12-08 | -98 | AAVSO |
| -70 | 7.6 | 2420104 | 1913-12-02 | 2420231 | 1914-04-08 | -127 | SVO |
| -69 | 8.0 | 2420590 | 1915-04-02 | 2420717 | 1915-08-07 | -127 | AAVSO |
| -68 | 7.4 | 2421072 | 1916-07-27 | 2421202 | 1916-12-04 | -130 | SVO |
| -67 | 9.3 | 2421562 | 1917-11-29 | 2421688 | 1918-04-04 | -126 | SVO |
| -66 | 8.5 | 2422041 | 1919-03-23 | 2422173 | 1919-08-02 | -132 | SVO |
| -65 | 8.5 | 2422531 | 1920-07-25 | 2422659 | 1920-11-30 | -128 | SVO |
| -64 | 8.3 | 2423020 | 1921-11-26 | 2423145 | 1922-03-31 | -125 | SVO |
| -63 | 7.4 | 2423495 | 1923-03-16 | 2423630 | 1923-07-29 | -135 | SVO |
| -62 | 9.4 | 2423980 | 1924-07-13 | 2424116 | 1924-11-26 | -136 | SVO |
| -61 | 8.4 | 2424482 | 1925-11-27 | 2424601 | 1926-03-26 | -119 | SVO |
| -60 | 8.9 | 2424972 | 1927-04-01 | 2425087 | 1927-07-25 | -115 | SVO |
| -59 | 8.1 | 2425473 | 1928-08-14 | 2425573 | 1928-11-22 | -100 | SVO |
| -58 | 9.3 | 2425965 | 1929-12-19 | 2426058 | 1930-03-22 | -93 | SVO |
| -57 | 7.8 | 2426448 | 1931-04-16 | 2426544 | 1931-07-21 | -96 | SVO |
| -56 | 8.7 | 2426953 | 1932-09-02 | 2427029 | 1932-11-17 | -76 | SVO |
| -55 | 7.4 | 2427443 | 1934-01-05 | 2427515 | 1934-03-18 | -72 | SVO |
| -54 | 9.5 | 2427942 | 1935-05-19 | 2428001 | 1935-07-17 | -59 | SVO |
| -53 | 8.3 | 2428425 | 1936-09-13 | 2428486 | 1936-11-13 | -61 | SVO |
| -52 | 8.5 | 2428917 | 1938-01-18 | 2428972 | 1938-03-14 | -55 | SVO |
| -51 | 7.8 | 2429405 | 1939-05-21 | 2429457 | 1939-07-12 | -52 | SVO |
| -50 | 9.0 | 2429885 | 1940-09-12 | 2429943 | 1940-11-09 | -58 | SVO |
| -49 | 8.5 | 2430371 | 1942-01-11 | 2430429 | 1942-03-10 | -58 | SVO |
| -48 | 7.7 | 2430844 | 1943-04-29 | 2430914 | 1943-07-08 | -70 | SVO |
| -47 | 8.8 | 2431322 | 1944-08-19 | 2431400 | 1944-11-05 | -78 | SVO |
| -46 | 8.1 | 2431807 | 1945-12-17 | 2431885 | 1946-03-05 | -78 | SVO |
| -45 | 8.2 | 2432298 | 1947-04-22 | 2432371 | 1947-07-04 | -73 | AAVSO |
| -44 | 7.9 | 2432767 | 1948-08-03 | 2432857 | 1948-11-01 | -90 | SVO |
| -43 | 8.4 | 2433254 | 1949-12-03 | 2433342 | 1950-03-01 | -88 | SVO |
| -42 | 7.9 | 2433736 | 1951-03-30 | 2433828 | 1951-06-30 | -92 | SVO |
| -41 | 8.4 | 2434224 | 1952-07-30 | 2434313 | 1952-10-27 | -89 | SVO |
| -40 | 7.9 | 2434719 | 1953-12-07 | 2434799 | 1954-02-25 | -80 | SVO |
| -39 | 7.9 | 2435203 | 1955-04-05 | 2435285 | 1955-06-26 | -82 | SVO |
| -38 | 8.4 | 2435694 | 1956-08-08 | 2435770 | 1956-10-23 | -76 | SVO |
| -37 | 8.1 | 2436183 | 1957-12-10 | 2436256 | 1958-02-21 | -73 | SVO |
| -36 | 8.3 | 2436666 | 1959-04-07 | 2436741 | 1959-06-21 | -75 | SVO |
| -35 | 7.2 | 2437147 | 1960-07-31 | 2437227 | 1960-10-19 | -80 | SVO |
| -34 | 8.7 | 2437648 | 1961-12-14 | 2437713 | 1962-02-17 | -65 | SVO |
| -33 | 8.5 | 2438139 | 1963-04-19 | 2438198 | 1963-06-17 | -59 | SVO |
| -32 | 7.7 | 2438634 | 1964-08-26 | 2438684 | 1964-10-15 | -50 | SVO |
| -31 | 8.2 | 2439125 | 1965-12-30 | 2439169 | 1966-02-12 | -44 | SVO |
| -30 | 8.1 | 2439613 | 1967-05-02 | 2439655 | 1967-06-13 | -42 | SVO |
| -29 | 7.6 | 2440105 | 1968-09-05 | 2440141 | 1968-10-11 | -36 | SVO |
| -28 | 8.4 | 2440582 | 1969-12-26 | 2440626 | 1970-02-08 | -44 | SVO |
| -27 | 7.6 | 2441066 | 1971-04-24 | 2441112 | 1971-06-09 | -46 | SVO |
| -26 | 8.4 | 2441543 | 1972-08-13 | 2441597 | 1972-10-06 | -54 | SVO |
| -25 | 7.9 | 2442029 | 1973-12-12 | 2442083 | 1974-02-04 | -54 | SVO |
| -24 | 7.9 | 2442502 | 1975-03-30 | 2442569 | 1975-06-05 | -67 | SVO |
| -23 | 7.6 | 2442987 | 1976-07-27 | 2443054 | 1976-10-02 | -67 | SVO |
| -22 | 7.5 | 2443448 | 1977-10-31 | 2443540 | 1978-01-31 | -92 | SVO |
| -21 | 7.4 | 2443936 | 1979-03-03 | 2444025 | 1979-05-31 | -89 | SVO |
| -20 | 7.6 | 2444413 | 1980-06-22 | 2444511 | 1980-09-28 | -98 | SVO |
| -19 | 7.5 | 2444901 | 1981-10-23 | 2444997 | 1982-01-27 | -96 | SVO |
| -18 | 7.9 | 2445381 | 1983-02-15 | 2445482 | 1983-05-27 | -101 | SVO |
| -17 | 7.9 | 2445868 | 1984-06-16 | 2445968 | 1984-09-24 | -100 | SVO |
| -16 | 8.4 | 2446348 | 1985-10-09 | 2446453 | 1986-01-22 | -105 | SVO |
| -15 | 7.6 | 2446831 | 1987-02-04 | 2446939 | 1987-05-23 | -108 | SVO |
| -14 | 8.9 | 2447332 | 1988-06-19 | 2447425 | 1988-09-20 | -93 | SVO |
| -13 | 7.8 | 2447826 | 1989-10-26 | 2447910 | 1990-01-18 | -84 | SVO |
| -12 | 8.0 | 2448320 | 1991-03-04 | 2448396 | 1991-05-19 | -76 | SVO |
| -11 | 7.9 | 2448819 | 1992-07-15 | 2448881 | 1992-09-15 | -62 | SVO |
| -10 | 7.4 | 2449317 | 1993-11-25 | 2449367 | 1994-01-14 | -50 | SVO |
| -9 | 8.0 | 2449818 | 1995-04-10 | 2449853 | 1995-05-15 | -35 | SVO |
| -8 | 7.5 | 2450313 | 1996-08-17 | 2450338 | 1996-09-11 | -25 | SVO |
| -7 | 8.0 | 2450807 | 1997-12-24 | 2450824 | 1998-01-10 | -17 | SVO |
| -6 | 7.5 | 2451305 | 1999-05-06 | 2451309 | 1999-05-10 | -4 | SVO |
| -5 | 8.0 | 2451790 | 2000-09-02 | 2451795 | 2000-09-07 | -5 | SVO |
| -4 | 7.7 | 2452282 | 2002-01-07 | 2452281 | 2002-01-06 | 1 | SVO |
| -3 | 8.4 | 2452773 | 2003-05-13 | 2452766 | 2003-05-06 | 7 | SVO |
| -2 | 7.6 | 2453262 | 2004-09-13 | 2453252 | 2004-09-03 | 10 | SVO |
| -1 | 8.4 | 2453741 | 2006-01-05 | 2453737 | 2006-01-01 | 4 | SVO |
| 0 | 7.3 | 2454223 | 2007-05-02 | 2454223 | 2007-05-02 | 0 | SVO |
| 1 | 8.3 | 2454700 | 2008-08-21 | 2454709 | 2008-08-30 | -9 | SVO |
| 2 | 8.0 | 2455187 | 2009-12-21 | 2455194 | 2009-12-28 | -7 | SVO |
| 3 | 8.5 | 2455663 | 2011-04-11 | 2455680 | 2011-04-28 | -17 | SVO |
| 4 | 7.6 | 2456124 | 2012-07-15 | 2456165 | 2012-08-25 | -41 | SVO |
| 5 | 8.8 | 2456602 | 2013-11-05 | 2456651 | 2013-12-24 | -49 | SVO |
| 6 | 7.7 | 2457056 | 2015-02-02 | 2457137 | 2015-04-24 | -81 | SVO |
| 7 | 8.6 | 2457543 | 2016-06-03 | 2457622 | 2016-08-21 | -79 | SVO |
| 8 | 7.6 | 2458016 | 2017-09-19 | 2458108 | 2017-12-20 | -92 | SVO |
| 9 | 8.2 | 2458490 | 2019-01-06 | 2458593 | 2019-04-19 | -103 | SVO |
| 10 | 7.7 | 2458978 | 2020-05-08 | 2459079 | 2020-08-17 | -101 | SVO |
| 11 | 8.4 | 2459448 | 2021-08-21 | 2459565 | 2021-12-16 | -117 | SVO |
| 12 | 7.9 | 2459935 | 2022-12-21 | 2460050 | 2023-04-15 | -115 | 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. |