| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -88 | 2407058 | 1878-03-14 | 2407170 | 1878-07-04 | -112 | GuL, 1918, 1.1 | |
| -78 | 2411031 | 1889-01-28 | 2411122 | 1889-04-29 | -91 | GuL, 1918, 1.1 | |
| -68 | 2415041 | 1900-01-21 | 2415074 | 1900-02-23 | -33 | AnHar, 1909, vol 55, p 95 | |
| -67 | 2415437 | 1901-02-21 | 2415470 | 1901-03-26 | -33 | AnHar, 1909, vol 55, p 95 | |
| -66 | 2415840 | 1902-03-31 | 2415865 | 1902-04-25 | -25 | SVO | |
| -65 | 2416230 | 1903-04-25 | 2416260 | 1903-05-25 | -30 | SVO | |
| -64 | 2416630 | 1904-05-29 | 2416655 | 1904-06-23 | -25 | SVO | |
| -63 | 2417023 | 1905-06-26 | 2417051 | 1905-07-24 | -28 | SVO | |
| -59 | 2418595 | 1909-10-15 | 2418631 | 1909-11-20 | -36 | SVO | |
| -58 | 2419000 | 1910-11-24 | 2419027 | 1910-12-21 | -27 | SVO | |
| -57 | 9.0 | 2419399 | 1911-12-28 | 2419422 | 1912-01-20 | -23 | SVO |
| -54 | 2420590 | 1915-04-02 | 2420607 | 1915-04-19 | -17 | SVO | |
| -53 | 2420990 | 1916-05-06 | 2421003 | 1916-05-19 | -13 | SVO | |
| -52 | 2421400 | 1917-06-20 | 2421398 | 1917-06-18 | 2 | SVO | |
| -50 | 9.2 | 2422201 | 1919-08-30 | 2422188 | 1919-08-17 | 13 | SVO |
| -49 | 8.7 | 2422597 | 1920-09-29 | 2422583 | 1920-09-15 | 14 | SVO |
| -48 | 8.8 | 2422995 | 1921-11-01 | 2422979 | 1921-10-16 | 16 | SVO |
| -47 | 8.6 | 2423389 | 1922-11-30 | 2423374 | 1922-11-15 | 15 | SVO |
| -46 | 8.5 | 2423776 | 1923-12-22 | 2423769 | 1923-12-15 | 7 | SVO |
| -45 | 8.5 | 2424184 | 1925-02-02 | 2424164 | 1925-01-13 | 20 | SVO |
| -44 | 8.9 | 2424568 | 1926-02-21 | 2424559 | 1926-02-12 | 9 | SVO |
| -43 | 9.3 | 2424973 | 1927-04-02 | 2424955 | 1927-03-15 | 18 | SVO |
| -42 | 8.6 | 2425347 | 1928-04-10 | 2425350 | 1928-04-13 | -3 | SVO |
| -41 | 9.2 | 2425741 | 1929-05-09 | 2425745 | 1929-05-13 | -4 | SVO |
| -40 | 8.5 | 2426135 | 1930-06-07 | 2426140 | 1930-06-12 | -5 | SVO |
| -39 | 8.9 | 2426529 | 1931-07-06 | 2426535 | 1931-07-12 | -6 | SVO |
| -38 | 8.5 | 2426910 | 1932-07-21 | 2426931 | 1932-08-11 | -21 | SVO |
| -37 | 8.6 | 2427304 | 1933-08-19 | 2427326 | 1933-09-10 | -22 | SVO |
| -36 | 8.7 | 2427698 | 1934-09-17 | 2427721 | 1934-10-10 | -23 | SVO |
| -35 | 8.8 | 2428099 | 1935-10-23 | 2428116 | 1935-11-09 | -17 | SVO |
| -34 | 8.5 | 2428488 | 1936-11-15 | 2428511 | 1936-12-08 | -23 | SVO |
| -33 | 8.6 | 2428881 | 1937-12-13 | 2428907 | 1938-01-08 | -26 | SVO |
| -32 | 8.6 | 2429283 | 1939-01-19 | 2429302 | 1939-02-07 | -19 | SVO |
| -31 | 8.7 | 2429683 | 1940-02-23 | 2429697 | 1940-03-08 | -14 | SVO |
| -30 | 8.4 | 2430094 | 1941-04-09 | 2430092 | 1941-04-07 | 2 | SVO |
| -29 | 9.2 | 2430488 | 1942-05-08 | 2430488 | 1942-05-08 | 0 | SVO |
| -28 | 8.8 | 2430894 | 1943-06-18 | 2430883 | 1943-06-07 | 11 | SVO |
| -27 | 8.6 | 2431287 | 1944-07-15 | 2431278 | 1944-07-06 | 9 | SVO |
| -26 | 8.5 | 2431699 | 1945-08-31 | 2431673 | 1945-08-05 | 26 | SVO |
| -25 | 9.0 | 2432104 | 1946-10-10 | 2432068 | 1946-09-04 | 36 | SVO |
| -24 | 8.7 | 2432507 | 1947-11-17 | 2432464 | 1947-10-05 | 43 | SVO |
| -23 | 9.0 | 2432912 | 1948-12-26 | 2432859 | 1948-11-03 | 53 | SVO |
| -22 | 8.5 | 2433322 | 1950-02-09 | 2433254 | 1949-12-03 | 68 | SVO |
| -21 | 9.2 | 2433726 | 1951-03-20 | 2433649 | 1951-01-02 | 77 | SVO |
| -20 | 8.4 | 2434123 | 1952-04-20 | 2434044 | 1952-02-01 | 79 | SVO |
| -19 | 8.7 | 2434524 | 1953-05-26 | 2434440 | 1953-03-03 | 84 | SVO |
| -18 | 8.9 | 2434920 | 1954-06-26 | 2434835 | 1954-04-02 | 85 | SVO |
| -17 | 9.2 | 2435308 | 1955-07-19 | 2435230 | 1955-05-02 | 78 | SVO |
| -16 | 8.4 | 2435686 | 1956-07-31 | 2435625 | 1956-05-31 | 61 | SVO |
| -15 | 8.8 | 2436087 | 1957-09-05 | 2436020 | 1957-06-30 | 67 | SVO |
| -14 | 8.8 | 2436473 | 1958-09-26 | 2436416 | 1958-07-31 | 57 | SVO |
| -13 | 8.6 | 2436859 | 1959-10-17 | 2436811 | 1959-08-30 | 48 | SVO |
| -12 | 8.6 | 2437239 | 1960-10-31 | 2437206 | 1960-09-28 | 33 | SVO |
| -11 | 9.0 | 2437631 | 1961-11-27 | 2437601 | 1961-10-28 | 30 | SVO |
| -10 | 8.7 | 2438013 | 1962-12-14 | 2437996 | 1962-11-27 | 17 | SVO |
| -9 | 9.0 | 2438400 | 1964-01-05 | 2438392 | 1963-12-28 | 8 | SVO |
| -8 | 8.8 | 2438782 | 1965-01-21 | 2438787 | 1965-01-26 | -5 | SVO |
| -7 | 8.9 | 2439171 | 1966-02-14 | 2439182 | 1966-02-25 | -11 | SVO |
| -6 | 8.7 | 2439570 | 1967-03-20 | 2439577 | 1967-03-27 | -7 | SVO |
| -5 | 9.2 | 2439960 | 1968-04-13 | 2439972 | 1968-04-25 | -12 | SVO |
| -4 | 8.8 | 2440360 | 1969-05-18 | 2440368 | 1969-05-26 | -8 | SVO |
| -3 | 8.9 | 2440749 | 1970-06-11 | 2440763 | 1970-06-25 | -14 | SVO |
| -2 | 8.7 | 2441147 | 1971-07-14 | 2441158 | 1971-07-25 | -11 | SVO |
| -1 | 9.0 | 2441539 | 1972-08-09 | 2441553 | 1972-08-23 | -14 | SVO |
| 0 | 8.8 | 2441952 | 1973-09-26 | 2441949 | 1973-09-23 | 3 | SVO |
| 1 | 9.4 | 2442346 | 1974-10-25 | 2442344 | 1974-10-23 | 2 | SVO |
| 2 | 8.5 | 2442736 | 1975-11-19 | 2442739 | 1975-11-22 | -3 | SVO |
| 3 | 9.1 | 2443136 | 1976-12-23 | 2443134 | 1976-12-21 | 2 | SVO |
| 4 | 8.9 | 2443541 | 1978-02-01 | 2443529 | 1978-01-20 | 12 | SVO |
| 5 | 8.6 | 2443936 | 1979-03-03 | 2443925 | 1979-02-20 | 11 | SVO |
| 6 | 8.9 | 2444341 | 1980-04-11 | 2444320 | 1980-03-21 | 21 | SVO |
| 7 | 8.5 | 2444733 | 1981-05-08 | 2444715 | 1981-04-20 | 18 | SVO |
| 8 | 9.1 | 2445132 | 1982-06-11 | 2445110 | 1982-05-20 | 22 | SVO |
| 9 | 8.6 | 2445535 | 1983-07-19 | 2445505 | 1983-06-19 | 30 | SVO |
| 10 | 9.2 | 2445929 | 1984-08-16 | 2445901 | 1984-07-19 | 28 | SVO |
| 11 | 9.3 | 2446333 | 1985-09-24 | 2446296 | 1985-08-18 | 37 | SVO |
| 12 | 8.6 | 2446716 | 1986-10-12 | 2446691 | 1986-09-17 | 25 | SVO |
| 13 | 9.2 | 2447107 | 1987-11-07 | 2447086 | 1987-10-17 | 21 | SVO |
| 14 | 9.1 | 2447505 | 1988-12-09 | 2447481 | 1988-11-15 | 24 | SVO |
| 15 | 8.6 | 2447893 | 1990-01-01 | 2447877 | 1989-12-16 | 16 | SVO |
| 16 | 9.0 | 2448284 | 1991-01-27 | 2448272 | 1991-01-15 | 12 | SVO |
| 17 | 8.5 | 2448671 | 1992-02-18 | 2448667 | 1992-02-14 | 4 | SVO |
| 18 | 9.1 | 2449071 | 1993-03-24 | 2449062 | 1993-03-15 | 9 | SVO |
| 19 | 8.7 | 2449465 | 1994-04-22 | 2449457 | 1994-04-14 | 8 | SVO |
| 20 | 9.1 | 2449847 | 1995-05-09 | 2449853 | 1995-05-15 | -6 | SVO |
| 21 | 8.9 | 2450235 | 1996-05-31 | 2450248 | 1996-06-13 | -13 | SVO |
| 22 | 9.2 | 2450629 | 1997-06-29 | 2450643 | 1997-07-13 | -14 | SVO |
| 23 | 8.9 | 2451025 | 1998-07-30 | 2451038 | 1998-08-12 | -13 | SVO |
| 24 | 8.7 | 2451421 | 1999-08-30 | 2451433 | 1999-09-11 | -12 | SVO |
| 25 | 8.9 | 2451820 | 2000-10-02 | 2451829 | 2000-10-11 | -9 | SVO |
| 26 | 8.8 | 2452196 | 2001-10-13 | 2452224 | 2001-11-10 | -28 | SVO |
| 27 | 8.3 | 2452589 | 2002-11-10 | 2452619 | 2002-12-10 | -30 | SVO |
| 28 | 9.0 | 2452986 | 2003-12-12 | 2453014 | 2004-01-09 | -28 | SVO |
| 29 | 8.6 | 2453378 | 2005-01-07 | 2453409 | 2005-02-07 | -31 | SVO |
| 30 | 9.0 | 2453772 | 2006-02-05 | 2453805 | 2006-03-10 | -33 | SVO |
| 31 | 8.9 | 2454173 | 2007-03-13 | 2454200 | 2007-04-09 | -27 | SVO |
| 32 | 8.1 | 2454560 | 2008-04-03 | 2454595 | 2008-05-08 | -35 | SVO |
| 33 | 8.9 | 2454963 | 2009-05-11 | 2454990 | 2009-06-07 | -27 | SVO |
| 34 | 8.7 | 2455371 | 2010-06-23 | 2455386 | 2010-07-08 | -15 | SVO |
| 35 | 9.0 | 2455755 | 2011-07-12 | 2455781 | 2011-08-07 | -26 | AAVSO |
| 36 | 9.6 | 2456153 | 2012-08-13 | 2456176 | 2012-09-05 | -23 | AAVSO |
| 37 | 2456558 | 2013-09-22 | 2456571 | 2013-10-05 | -13 | AAVSO | |
| 38 | 8.4 | 2456951 | 2014-10-20 | 2456966 | 2014-11-04 | -15 | SVO |
| 39 | 8.6 | 2457349 | 2015-11-22 | 2457362 | 2015-12-05 | -13 | SVO |
| 40 | 8.7 | 2457737 | 2016-12-14 | 2457757 | 2017-01-03 | -20 | SVO |
| 41 | 8.4 | 2458121 | 2018-01-02 | 2458152 | 2018-02-02 | -31 | SVO |
| 42 | 8.7 | 2458513 | 2019-01-29 | 2458547 | 2019-03-04 | -34 | SVO |
| 43 | 8.5 | 2458899 | 2020-02-19 | 2458942 | 2020-04-02 | -43 | SVO |
| 44 | 8.2 | 2459293 | 2021-03-19 | 2459338 | 2021-05-03 | -45 | SVO |
| 45 | 8.7 | 2459687 | 2022-04-17 | 2459733 | 2022-06-02 | -46 | 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. |