| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -65 | 2412929 | 1894-04-10 | 2413130 | 1894-10-28 | -201 | AnHar, 1937, vol 105, p 459 | |
| -63 | 2413855 | 1896-10-22 | 2414034 | 1897-04-19 | -179 | GuL, 1920, 1.2 | |
| -56 | 9.5 | 2417007 | 1905-06-10 | 2417196 | 1905-12-16 | -189 | AAVSO |
| -55 | 9.6 | 2417457 | 1906-09-03 | 2417647 | 1907-03-12 | -190 | AAVSO |
| -54 | 9.6 | 2417916 | 1907-12-06 | 2418099 | 1908-06-06 | -183 | AAVSO |
| -53 | 10.0 | 2418354 | 1909-02-16 | 2418551 | 1909-09-01 | -197 | AAVSO |
| -52 | 9.5 | 2418836 | 1910-06-13 | 2419003 | 1910-11-27 | -167 | AAVSO |
| -51 | 10.2 | 2419281 | 1911-09-01 | 2419454 | 1912-02-21 | -173 | AAVSO |
| -50 | 9.9 | 2419733 | 1912-11-26 | 2419906 | 1913-05-18 | -173 | AAVSO |
| -49 | 9.0 | 2420153 | 1914-01-20 | 2420358 | 1914-08-13 | -205 | AAVSO |
| -48 | 2420611 | 1915-04-23 | 2420809 | 1915-11-07 | -198 | AAVSO | |
| -47 | 9.8 | 2421095 | 1916-08-19 | 2421261 | 1917-02-01 | -166 | SVO |
| -46 | 9.0 | 2421554 | 1917-11-21 | 2421713 | 1918-04-29 | -159 | AAVSO |
| -45 | 9.8 | 2422017 | 1919-02-27 | 2422165 | 1919-07-25 | -148 | AAVSO |
| -44 | 10.0 | 2422498 | 1920-06-22 | 2422616 | 1920-10-18 | -118 | AAVSO |
| -43 | 9.7 | 2422934 | 1921-09-01 | 2423068 | 1922-01-13 | -134 | SVO |
| -42 | 9.0 | 2423400 | 1922-12-11 | 2423520 | 1923-04-10 | -120 | AAVSO |
| -41 | 9.1 | 2423878 | 1924-04-02 | 2423971 | 1924-07-04 | -93 | SVO |
| -40 | 8.8 | 2424334 | 1925-07-02 | 2424423 | 1925-09-29 | -89 | AAVSO |
| -39 | 8.9 | 2424794 | 1926-10-05 | 2424875 | 1926-12-25 | -81 | AAVSO |
| -38 | 8.3 | 2425242 | 1927-12-27 | 2425327 | 1928-03-21 | -85 | AAVSO |
| -37 | 9.6 | 2425709 | 1929-04-07 | 2425778 | 1929-06-15 | -69 | AAVSO |
| -36 | 9.7 | 2426184 | 1930-07-26 | 2426230 | 1930-09-10 | -46 | SVO |
| -35 | 9.1 | 2426622 | 1931-10-07 | 2426682 | 1931-12-06 | -60 | SVO |
| -34 | 9.5 | 2427072 | 1932-12-30 | 2427134 | 1933-03-02 | -62 | SVO |
| -33 | 10.4 | 2427528 | 1934-03-31 | 2427585 | 1934-05-27 | -57 | SVO |
| -32 | 10.6 | 2427988 | 1935-07-04 | 2428037 | 1935-08-22 | -49 | SVO |
| -31 | 11.3 | 2428454 | 1936-10-12 | 2428489 | 1936-11-16 | -35 | SVO |
| -30 | 10.8 | 2428930 | 1938-01-31 | 2428940 | 1938-02-10 | -10 | SVO |
| -29 | 10.2 | 2429386 | 1939-05-02 | 2429392 | 1939-05-08 | -6 | SVO |
| -28 | 9.8 | 2429827 | 1940-07-16 | 2429844 | 1940-08-02 | -17 | SVO |
| -27 | 10.1 | 2430269 | 1941-10-01 | 2430296 | 1941-10-28 | -27 | SVO |
| -26 | 2430714 | 1942-12-20 | 2430747 | 1943-01-22 | -33 | AAVSO | |
| -25 | 10.0 | 2431235 | 1944-05-24 | 2431199 | 1944-04-18 | 36 | SVO |
| -24 | 9.4 | 2431652 | 1945-07-15 | 2431651 | 1945-07-14 | 1 | SVO |
| -23 | 9.3 | 2432085 | 1946-09-21 | 2432102 | 1946-10-08 | -17 | SVO |
| -22 | 9.3 | 2432544 | 1947-12-24 | 2432554 | 1948-01-03 | -10 | SVO |
| -21 | 9.4 | 2433014 | 1949-04-07 | 2433006 | 1949-03-30 | 8 | SVO |
| -20 | 9.8 | 2433479 | 1950-07-16 | 2433458 | 1950-06-25 | 21 | SVO |
| -19 | 9.9 | 2433932 | 1951-10-12 | 2433909 | 1951-09-19 | 23 | SVO |
| -18 | 9.6 | 2434351 | 1952-12-04 | 2434361 | 1952-12-14 | -10 | SVO |
| -17 | 10.2 | 2434828 | 1954-03-26 | 2434813 | 1954-03-11 | 15 | AAVSO |
| -16 | 9.8 | 2435292 | 1955-07-03 | 2435264 | 1955-06-05 | 28 | SVO |
| -15 | 9.6 | 2435722 | 1956-09-05 | 2435716 | 1956-08-30 | 6 | SVO |
| -14 | 9.4 | 2436146 | 1957-11-03 | 2436168 | 1957-11-25 | -22 | SVO |
| -13 | 9.6 | 2436628 | 1959-02-28 | 2436620 | 1959-02-20 | 8 | AAVSO |
| -12 | 9.5 | 2437099 | 1960-06-13 | 2437071 | 1960-05-16 | 28 | SVO |
| -11 | 9.4 | 2437505 | 1961-07-24 | 2437523 | 1961-08-11 | -18 | SVO |
| -10 | 9.4 | 2437955 | 1962-10-17 | 2437975 | 1962-11-06 | -20 | SVO |
| -9 | 9.5 | 2438417 | 1964-01-22 | 2438427 | 1964-02-01 | -10 | SVO |
| -8 | 9.9 | 2438891 | 1965-05-10 | 2438878 | 1965-04-27 | 13 | SVO |
| -7 | 9.5 | 2439333 | 1966-07-26 | 2439330 | 1966-07-23 | 3 | SVO |
| -6 | 9.8 | 2439792 | 1967-10-28 | 2439782 | 1967-10-18 | 10 | SVO |
| -5 | 9.4 | 2440256 | 1969-02-03 | 2440233 | 1969-01-11 | 23 | AAVSO |
| -4 | 9.5 | 2440703 | 1970-04-26 | 2440685 | 1970-04-08 | 18 | SVO |
| -3 | 9.4 | 2441152 | 1971-07-19 | 2441137 | 1971-07-04 | 15 | SVO |
| -2 | 9.5 | 2441607 | 1972-10-16 | 2441589 | 1972-09-28 | 18 | SVO |
| -1 | 9.3 | 2442064 | 1974-01-16 | 2442040 | 1973-12-23 | 24 | AAVSO |
| 0 | 9.6 | 2442518 | 1975-04-15 | 2442492 | 1975-03-20 | 26 | SVO |
| 1 | 9.8 | 2442990 | 1976-07-30 | 2442944 | 1976-06-14 | 46 | SVO |
| 2 | 9.5 | 2443424 | 1977-10-07 | 2443395 | 1977-09-08 | 29 | SVO |
| 3 | 9.8 | 2443881 | 1979-01-07 | 2443847 | 1978-12-04 | 34 | SVO |
| 4 | 9.8 | 2444375 | 1980-05-15 | 2444299 | 1980-02-29 | 76 | SVO |
| 5 | 9.2 | 2444824 | 1981-08-07 | 2444751 | 1981-05-26 | 73 | SVO |
| 6 | 9.6 | 2445267 | 1982-10-24 | 2445202 | 1982-08-20 | 65 | SVO |
| 7 | 10.4 | 2445753 | 1984-02-22 | 2445654 | 1983-11-15 | 99 | SVO |
| 8 | 10.2 | 2446217 | 1985-05-31 | 2446106 | 1985-02-09 | 111 | SVO |
| 9 | 10.7 | 2446664 | 1986-08-21 | 2446557 | 1986-05-06 | 107 | SVO |
| 10 | 10.1 | 2447122 | 1987-11-22 | 2447009 | 1987-08-01 | 113 | SVO |
| 11 | 10.6 | 2447569 | 1989-02-11 | 2447461 | 1988-10-26 | 108 | SVO |
| 12 | 10.2 | 2448060 | 1990-06-17 | 2447913 | 1990-01-21 | 147 | SVO |
| 13 | 9.1 | 2448460 | 1991-07-22 | 2448364 | 1991-04-17 | 96 | SVO |
| 14 | 10.4 | 2448918 | 1992-10-22 | 2448816 | 1992-07-12 | 102 | SVO |
| 15 | 10.9 | 2449375 | 1994-01-22 | 2449268 | 1993-10-07 | 107 | SVO |
| 16 | 10.7 | 2449838 | 1995-04-30 | 2449720 | 1995-01-02 | 118 | SVO |
| 17 | 10.2 | 2450288 | 1996-07-23 | 2450171 | 1996-03-28 | 117 | SVO |
| 18 | 9.7 | 2450719 | 1997-09-27 | 2450623 | 1997-06-23 | 96 | SVO |
| 19 | 9.9 | 2451176 | 1998-12-28 | 2451075 | 1998-09-18 | 101 | SVO |
| 20 | 9.8 | 2451626 | 2000-03-22 | 2451526 | 1999-12-13 | 100 | SVO |
| 21 | 10.1 | 2452069 | 2001-06-08 | 2451978 | 2001-03-09 | 91 | SVO |
| 22 | 10.0 | 2452531 | 2002-09-13 | 2452430 | 2002-06-04 | 101 | SVO |
| 23 | 9.9 | 2452948 | 2003-11-04 | 2452882 | 2003-08-30 | 66 | SVO |
| 24 | 10.1 | 2453425 | 2005-02-23 | 2453333 | 2004-11-23 | 92 | SVO |
| 25 | 9.8 | 2453906 | 2006-06-19 | 2453785 | 2006-02-18 | 121 | SVO |
| 26 | 10.5 | 2454354 | 2007-09-10 | 2454237 | 2007-05-16 | 117 | SVO |
| 27 | 10.1 | 2454830 | 2008-12-29 | 2454688 | 2008-08-09 | 142 | SVO |
| 28 | 9.2 | 2455238 | 2010-02-10 | 2455140 | 2009-11-04 | 98 | SVO |
| 29 | 10.1 | 2455704 | 2011-05-22 | 2455592 | 2011-01-30 | 112 | SVO |
| 30 | 9.8 | 2456165 | 2012-08-25 | 2456044 | 2012-04-26 | 121 | SVO |
| 31 | 9.3 | 2456598 | 2013-11-01 | 2456495 | 2013-07-21 | 103 | SVO |
| 32 | 9.8 | 2457045 | 2015-01-22 | 2456947 | 2014-10-16 | 98 | AAVSO |
| 33 | 9.4 | 2457497 | 2016-04-18 | 2457399 | 2016-01-11 | 98 | SVO |
| 34 | 9.8 | 2457958 | 2017-07-23 | 2457850 | 2017-04-06 | 108 | SVO |
| 35 | 9.2 | 2458413 | 2018-10-21 | 2458302 | 2018-07-02 | 111 | SVO |
| 36 | 9.6 | 2458852 | 2020-01-03 | 2458754 | 2019-09-27 | 98 | SVO |
| 37 | 10.0 | 2459342 | 2021-05-07 | 2459206 | 2020-12-22 | 136 | SVO |
| 38 | 9.4 | 2459777 | 2022-07-16 | 2459657 | 2022-03-18 | 120 | 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. |