| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -86 | 2414592 | 1898-10-29 | 2414619 | 1898-11-25 | -27 | AAVSO | |
| -85 | 7.2 | 2414995 | 1899-12-06 | 2415015 | 1899-12-26 | -20 | SVO |
| -84 | 2415399 | 1901-01-14 | 2415411 | 1901-01-26 | -12 | AAVSO | |
| -83 | 7.1 | 2415807 | 1902-02-26 | 2415807 | 1902-02-26 | 0 | AAVSO |
| -82 | 6.7 | 2416187 | 1903-03-13 | 2416203 | 1903-03-29 | -16 | AAVSO |
| -81 | 6.5 | 2416585 | 1904-04-14 | 2416599 | 1904-04-28 | -14 | AAVSO |
| -80 | 6.9 | 2416994 | 1905-05-28 | 2416995 | 1905-05-29 | -1 | AAVSO |
| -79 | 2417374 | 1906-06-12 | 2417391 | 1906-06-29 | -17 | AAVSO | |
| -78 | 2417769 | 1907-07-12 | 2417787 | 1907-07-30 | -18 | AAVSO | |
| -77 | 2418141 | 1908-07-18 | 2418183 | 1908-08-29 | -42 | AAVSO | |
| -76 | 2418549 | 1909-08-30 | 2418579 | 1909-09-29 | -30 | AAVSO | |
| -75 | 7.7 | 2418959 | 1910-10-14 | 2418975 | 1910-10-30 | -16 | AAVSO |
| -74 | 7.0 | 2419350 | 1911-11-09 | 2419371 | 1911-11-30 | -21 | SVO |
| -73 | 8.3 | 2419745 | 1912-12-08 | 2419767 | 1912-12-30 | -22 | SVO |
| -72 | 7.4 | 2420137 | 1914-01-04 | 2420163 | 1914-01-30 | -26 | SVO |
| -71 | 7.3 | 2420535 | 1915-02-06 | 2420559 | 1915-03-02 | -24 | SVO |
| -70 | 7.9 | 2420947 | 1916-03-24 | 2420955 | 1916-04-01 | -8 | SVO |
| -69 | 7.1 | 2421333 | 1917-04-14 | 2421351 | 1917-05-02 | -18 | SVO |
| -68 | 7.7 | 2421738 | 1918-05-24 | 2421747 | 1918-06-02 | -9 | SVO |
| -67 | 7.6 | 2422146 | 1919-07-06 | 2422143 | 1919-07-03 | 3 | SVO |
| -66 | 7.4 | 2422542 | 1920-08-05 | 2422539 | 1920-08-02 | 3 | SVO |
| -65 | 7.5 | 2422940 | 1921-09-07 | 2422935 | 1921-09-02 | 5 | SVO |
| -64 | 7.2 | 2423336 | 1922-10-08 | 2423331 | 1922-10-03 | 5 | SVO |
| -63 | 7.4 | 2423731 | 1923-11-07 | 2423727 | 1923-11-03 | 4 | SVO |
| -62 | 7.3 | 2424126 | 1924-12-06 | 2424124 | 1924-12-04 | 2 | SVO |
| -61 | 7.3 | 2424528 | 1926-01-12 | 2424520 | 1926-01-04 | 8 | SVO |
| -60 | 7.9 | 2424930 | 1927-02-18 | 2424916 | 1927-02-04 | 14 | SVO |
| -59 | 7.7 | 2425324 | 1928-03-18 | 2425312 | 1928-03-06 | 12 | SVO |
| -58 | 7.4 | 2425726 | 1929-04-24 | 2425708 | 1929-04-06 | 18 | SVO |
| -57 | 7.5 | 2426123 | 1930-05-26 | 2426104 | 1930-05-07 | 19 | SVO |
| -56 | 7.3 | 2426509 | 1931-06-16 | 2426500 | 1931-06-07 | 9 | SVO |
| -55 | 7.5 | 2426909 | 1932-07-20 | 2426896 | 1932-07-07 | 13 | SVO |
| -54 | 7.5 | 2427308 | 1933-08-23 | 2427292 | 1933-08-07 | 16 | SVO |
| -53 | 7.6 | 2427700 | 1934-09-19 | 2427688 | 1934-09-07 | 12 | SVO |
| -52 | 7.6 | 2428094 | 1935-10-18 | 2428084 | 1935-10-08 | 10 | SVO |
| -51 | 7.1 | 2428481 | 1936-11-08 | 2428480 | 1936-11-07 | 1 | SVO |
| -50 | 8.4 | 2428889 | 1937-12-21 | 2428876 | 1937-12-08 | 13 | SVO |
| -49 | 8.3 | 2429285 | 1939-01-21 | 2429272 | 1939-01-08 | 13 | SVO |
| -48 | 7.4 | 2429683 | 1940-02-23 | 2429668 | 1940-02-08 | 15 | SVO |
| -47 | 7.9 | 2430078 | 1941-03-24 | 2430064 | 1941-03-10 | 14 | SVO |
| -46 | 7.6 | 2430457 | 1942-04-07 | 2430460 | 1942-04-10 | -3 | SVO |
| -45 | 7.6 | 2430869 | 1943-05-24 | 2430856 | 1943-05-11 | 13 | SVO |
| -44 | 7.8 | 2431277 | 1944-07-05 | 2431252 | 1944-06-10 | 25 | AAVSO |
| -43 | 8.1 | 2431674 | 1945-08-06 | 2431648 | 1945-07-11 | 26 | SVO |
| -42 | 7.4 | 2432066 | 1946-09-02 | 2432044 | 1946-08-11 | 22 | SVO |
| -41 | 7.6 | 2432463 | 1947-10-04 | 2432440 | 1947-09-11 | 23 | SVO |
| -40 | 7.7 | 2432863 | 1948-11-07 | 2432836 | 1948-10-11 | 27 | SVO |
| -39 | 7.5 | 2433259 | 1949-12-08 | 2433232 | 1949-11-11 | 27 | SVO |
| -38 | 7.7 | 2433658 | 1951-01-11 | 2433628 | 1950-12-12 | 30 | SVO |
| -37 | 8.0 | 2434061 | 1952-02-18 | 2434024 | 1952-01-12 | 37 | SVO |
| -36 | 7.1 | 2434443 | 1953-03-06 | 2434420 | 1953-02-11 | 23 | SVO |
| -35 | 7.9 | 2434855 | 1954-04-22 | 2434816 | 1954-03-14 | 39 | SVO |
| -34 | 8.1 | 2435262 | 1955-06-03 | 2435212 | 1955-04-14 | 50 | SVO |
| -33 | 7.6 | 2435646 | 1956-06-21 | 2435608 | 1956-05-14 | 38 | SVO |
| -32 | 9.0 | 2436033 | 1957-07-13 | 2436004 | 1957-06-14 | 29 | AAVSO |
| -31 | 7.5 | 2436430 | 1958-08-14 | 2436400 | 1958-07-15 | 30 | SVO |
| -30 | 8.2 | 2436823 | 1959-09-11 | 2436796 | 1959-08-15 | 27 | SVO |
| -29 | 6.8 | 2437208 | 1960-09-30 | 2437192 | 1960-09-14 | 16 | SVO |
| -28 | 8.5 | 2437610 | 1961-11-06 | 2437588 | 1961-10-15 | 22 | SVO |
| -27 | 7.7 | 2438001 | 1962-12-02 | 2437984 | 1962-11-15 | 17 | SVO |
| -26 | 8.4 | 2438395 | 1963-12-31 | 2438380 | 1963-12-16 | 15 | SVO |
| -25 | 7.0 | 2438782 | 1965-01-21 | 2438776 | 1965-01-15 | 6 | SVO |
| -24 | 8.3 | 2439179 | 1966-02-22 | 2439172 | 1966-02-15 | 7 | SVO |
| -23 | 8.3 | 2439582 | 1967-04-01 | 2439568 | 1967-03-18 | 14 | SVO |
| -22 | 7.2 | 2439959 | 1968-04-12 | 2439964 | 1968-04-17 | -5 | SVO |
| -21 | 8.7 | 2440362 | 1969-05-20 | 2440360 | 1969-05-18 | 2 | SVO |
| -20 | 7.9 | 2440752 | 1970-06-14 | 2440756 | 1970-06-18 | -4 | SVO |
| -19 | 7.1 | 2441133 | 1971-06-30 | 2441152 | 1971-07-19 | -19 | SVO |
| -18 | 8.4 | 2441539 | 1972-08-09 | 2441549 | 1972-08-19 | -10 | SVO |
| -17 | 7.4 | 2441926 | 1973-08-31 | 2441945 | 1973-09-19 | -19 | SVO |
| -16 | 8.4 | 2442326 | 1974-10-05 | 2442341 | 1974-10-20 | -15 | SVO |
| -15 | 7.4 | 2442723 | 1975-11-06 | 2442737 | 1975-11-20 | -14 | SVO |
| -14 | 8.0 | 2443115 | 1976-12-02 | 2443133 | 1976-12-20 | -18 | SVO |
| -13 | 6.9 | 2443510 | 1978-01-01 | 2443529 | 1978-01-20 | -19 | SVO |
| -12 | 8.4 | 2443913 | 1979-02-08 | 2443925 | 1979-02-20 | -12 | SVO |
| -11 | 7.3 | 2444311 | 1980-03-12 | 2444321 | 1980-03-22 | -10 | SVO |
| -10 | 8.4 | 2444718 | 1981-04-23 | 2444717 | 1981-04-22 | 1 | SVO |
| -9 | 8.0 | 2445113 | 1982-05-23 | 2445113 | 1982-05-23 | 0 | SVO |
| -8 | 7.7 | 2445480 | 1983-05-25 | 2445509 | 1983-06-23 | -29 | SVO |
| -7 | 7.8 | 2445886 | 1984-07-04 | 2445905 | 1984-07-23 | -19 | SVO |
| -6 | 7.5 | 2446283 | 1985-08-05 | 2446301 | 1985-08-23 | -18 | SVO |
| -5 | 8.7 | 2446679 | 1986-09-05 | 2446697 | 1986-09-23 | -18 | SVO |
| -4 | 7.3 | 2447057 | 1987-09-18 | 2447093 | 1987-10-24 | -36 | SVO |
| -3 | 8.3 | 2447464 | 1988-10-29 | 2447489 | 1988-11-23 | -25 | SVO |
| -2 | 7.1 | 2447860 | 1989-11-29 | 2447885 | 1989-12-24 | -25 | SVO |
| -1 | 7.8 | 2448259 | 1991-01-02 | 2448281 | 1991-01-24 | -22 | SVO |
| 0 | 7.5 | 2448659 | 1992-02-06 | 2448677 | 1992-02-24 | -18 | SVO |
| 1 | 8.8 | 2449061 | 1993-03-14 | 2449073 | 1993-03-26 | -12 | SVO |
| 2 | 7.6 | 2449447 | 1994-04-04 | 2449469 | 1994-04-26 | -22 | SVO |
| 3 | 7.6 | 2449840 | 1995-05-02 | 2449865 | 1995-05-27 | -25 | SVO |
| 4 | 7.5 | 2450234 | 1996-05-30 | 2450261 | 1996-06-26 | -27 | SVO |
| 5 | 7.4 | 2450625 | 1997-06-25 | 2450657 | 1997-07-27 | -32 | SVO |
| 6 | 8.0 | 2451025 | 1998-07-30 | 2451053 | 1998-08-27 | -28 | SVO |
| 7 | 7.6 | 2451423 | 1999-09-01 | 2451449 | 1999-09-27 | -26 | SVO |
| 8 | 7.7 | 2451819 | 2000-10-01 | 2451845 | 2000-10-27 | -26 | SVO |
| 9 | 8.1 | 2452231 | 2001-11-17 | 2452241 | 2001-11-27 | -10 | SVO |
| 10 | 7.6 | 2452624 | 2002-12-15 | 2452637 | 2002-12-28 | -13 | SVO |
| 11 | 7.7 | 2453024 | 2004-01-19 | 2453033 | 2004-01-28 | -9 | SVO |
| 12 | 7.8 | 2453429 | 2005-02-27 | 2453429 | 2005-02-27 | 0 | SVO |
| 13 | 8.2 | 2453840 | 2006-04-14 | 2453825 | 2006-03-30 | 15 | SVO |
| 14 | 7.0 | 2454225 | 2007-05-04 | 2454221 | 2007-04-30 | 4 | SVO |
| 15 | 7.2 | 2454621 | 2008-06-03 | 2454617 | 2008-05-30 | 4 | SVO |
| 16 | 6.9 | 2455021 | 2009-07-08 | 2455013 | 2009-06-30 | 8 | SVO |
| 17 | 9.1 | 2455429 | 2010-08-20 | 2455409 | 2010-07-31 | 20 | SVO |
| 18 | 8.6 | 2455832 | 2011-09-27 | 2455805 | 2011-08-31 | 27 | SVO |
| 19 | 8.0 | 2456210 | 2012-10-09 | 2456201 | 2012-09-30 | 9 | SVO |
| 20 | 7.6 | 2456605 | 2013-11-08 | 2456597 | 2013-10-31 | 8 | SVO |
| 21 | 8.5 | 2457010 | 2014-12-18 | 2456993 | 2014-12-01 | 17 | SVO |
| 22 | 7.8 | 2457406 | 2016-01-18 | 2457389 | 2016-01-01 | 17 | SVO |
| 23 | 7.0 | 2457796 | 2017-02-11 | 2457785 | 2017-01-31 | 11 | SVO |
| 24 | 9.2 | 2458201 | 2018-03-23 | 2458181 | 2018-03-03 | 20 | SVO |
| 25 | 7.8 | 2458594 | 2019-04-20 | 2458578 | 2019-04-04 | 16 | SVO |
| 26 | 8.1 | 2459000 | 2020-05-30 | 2458974 | 2020-05-04 | 26 | SVO |
| 27 | 7.3 | 2459396 | 2021-06-30 | 2459370 | 2021-06-04 | 26 | SVO |
| 28 | 7.3 | 2459790 | 2022-07-29 | 2459766 | 2022-07-05 | 24 | 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. |