| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -71 | 2412920 | 1894-04-01 | 2412894 | 1894-03-06 | 26 | SVO | |
| -70 | 2413290 | 1895-04-06 | 2413262 | 1895-03-09 | 28 | SVO | |
| -69 | 2413660 | 1896-04-10 | 2413629 | 1896-03-10 | 31 | SVO | |
| -68 | 2414020 | 1897-04-05 | 2413997 | 1897-03-13 | 23 | SVO | |
| -66 | 2414780 | 1899-05-05 | 2414732 | 1899-03-18 | 48 | AnHar, 1909, vol 55, p 95 | |
| -65 | 2415140 | 1900-04-30 | 2415099 | 1900-03-20 | 41 | AnHar, 1909, vol 55, p 95 | |
| -64 | 2415520 | 1901-05-15 | 2415467 | 1901-03-23 | 53 | AnHar, 1909, vol 55, p 95 | |
| -63 | 2415885 | 1902-05-15 | 2415834 | 1902-03-25 | 51 | SVO | |
| -62 | 2416250 | 1903-05-15 | 2416202 | 1903-03-28 | 48 | SVO | |
| -61 | 2416625 | 1904-05-24 | 2416569 | 1904-03-29 | 56 | SVO | |
| -60 | 2416980 | 1905-05-14 | 2416936 | 1905-03-31 | 44 | SVO | |
| -57 | 2418080 | 1908-05-18 | 2418039 | 1908-04-07 | 41 | SVO | |
| -53 | 11.7 | 2419538 | 1912-05-15 | 2419509 | 1912-04-16 | 29 | SVO |
| -51 | 2420260 | 1914-05-07 | 2420244 | 1914-04-21 | 16 | SVO | |
| -49 | 2421010 | 1916-05-26 | 2420979 | 1916-04-25 | 31 | SVO | |
| -47 | 2421720 | 1918-05-06 | 2421714 | 1918-04-30 | 6 | SVO | |
| -46 | 11.4 | 2422080 | 1919-05-01 | 2422081 | 1919-05-02 | -1 | SVO |
| -45 | 2422430 | 1920-04-15 | 2422449 | 1920-05-04 | -19 | SVO | |
| -44 | 11.2 | 2422798 | 1921-04-18 | 2422816 | 1921-05-06 | -18 | AAVSO |
| -43 | 2423157 | 1922-04-12 | 2423184 | 1922-05-09 | -27 | AAVSO | |
| -42 | 11.4 | 2423521 | 1923-04-11 | 2423551 | 1923-05-11 | -30 | SVO |
| -41 | 10.2 | 2423887 | 1924-04-11 | 2423919 | 1924-05-13 | -32 | AAVSO |
| -40 | 11.1 | 2424246 | 1925-04-05 | 2424286 | 1925-05-15 | -40 | SVO |
| -39 | 10.8 | 2424613 | 1926-04-07 | 2424653 | 1926-05-17 | -40 | AAVSO |
| -38 | 11.2 | 2424983 | 1927-04-12 | 2425021 | 1927-05-20 | -38 | AAVSO |
| -37 | 10.9 | 2425351 | 1928-04-14 | 2425388 | 1928-05-21 | -37 | SVO |
| -36 | 11.4 | 2425710 | 1929-04-08 | 2425756 | 1929-05-24 | -46 | SVO |
| -35 | 11.3 | 2426080 | 1930-04-13 | 2426123 | 1930-05-26 | -43 | SVO |
| -34 | 11.4 | 2426459 | 1931-04-27 | 2426491 | 1931-05-29 | -32 | SVO |
| -33 | 10.6 | 2426813 | 1932-04-15 | 2426858 | 1932-05-30 | -45 | SVO |
| -32 | 11.8 | 2427200 | 1933-05-07 | 2427226 | 1933-06-02 | -26 | AAVSO |
| -31 | 11.9 | 2427573 | 1934-05-15 | 2427593 | 1934-06-04 | -20 | SVO |
| -30 | 10.9 | 2427941 | 1935-05-18 | 2427961 | 1935-06-07 | -20 | SVO |
| -29 | 13.0 | 2428323 | 1936-06-03 | 2428328 | 1936-06-08 | -5 | AAVSO |
| -28 | 11.8 | 2428675 | 1937-05-21 | 2428696 | 1937-06-11 | -21 | AAVSO |
| -27 | 10.8 | 2429050 | 1938-05-31 | 2429063 | 1938-06-13 | -13 | SVO |
| -26 | 11.8 | 2429422 | 1939-06-07 | 2429431 | 1939-06-16 | -9 | AAVSO |
| -25 | 11.8 | 2429795 | 1940-06-14 | 2429798 | 1940-06-17 | -3 | AAVSO |
| -24 | 10.3 | 2430161 | 1941-06-15 | 2430166 | 1941-06-20 | -5 | SVO |
| -23 | 2430533 | 1942-06-22 | 2430533 | 1942-06-22 | 0 | AAVSO | |
| -22 | 11.5 | 2430901 | 1943-06-25 | 2430901 | 1943-06-25 | 0 | AAVSO |
| -21 | 11.3 | 2431270 | 1944-06-28 | 2431268 | 1944-06-26 | 2 | SVO |
| -20 | 12.6 | 2431655 | 1945-07-18 | 2431636 | 1945-06-29 | 19 | AAVSO |
| -19 | 11.5 | 2432011 | 1946-07-09 | 2432003 | 1946-07-01 | 8 | SVO |
| -18 | 11.0 | 2432377 | 1947-07-10 | 2432370 | 1947-07-03 | 7 | SVO |
| -17 | 11.6 | 2432764 | 1948-07-31 | 2432738 | 1948-07-05 | 26 | SVO |
| -16 | 11.5 | 2433128 | 1949-07-30 | 2433105 | 1949-07-07 | 23 | SVO |
| -15 | 11.5 | 2433495 | 1950-08-01 | 2433473 | 1950-07-10 | 22 | SVO |
| -14 | 11.1 | 2433869 | 1951-08-10 | 2433840 | 1951-07-12 | 29 | SVO |
| -13 | 11.5 | 2434235 | 1952-08-10 | 2434208 | 1952-07-14 | 27 | SVO |
| -12 | 11.5 | 2434603 | 1953-08-13 | 2434575 | 1953-07-16 | 28 | SVO |
| -11 | 11.5 | 2434962 | 1954-08-07 | 2434943 | 1954-07-19 | 19 | SVO |
| -10 | 11.4 | 2435338 | 1955-08-18 | 2435310 | 1955-07-21 | 28 | SVO |
| -9 | 11.4 | 2435691 | 1956-08-05 | 2435678 | 1956-07-23 | 13 | SVO |
| -8 | 11.2 | 2436053 | 1957-08-02 | 2436045 | 1957-07-25 | 8 | SVO |
| -7 | 11.3 | 2436421 | 1958-08-05 | 2436413 | 1958-07-28 | 8 | SVO |
| -6 | 11.0 | 2436776 | 1959-07-26 | 2436780 | 1959-07-30 | -4 | SVO |
| -5 | 12.2 | 2437139 | 1960-07-23 | 2437148 | 1960-08-01 | -9 | SVO |
| -4 | 12.0 | 2437503 | 1961-07-22 | 2437515 | 1961-08-03 | -12 | SVO |
| -3 | 11.1 | 2437853 | 1962-07-07 | 2437883 | 1962-08-06 | -30 | SVO |
| -2 | 12.1 | 2438212 | 1963-07-01 | 2438250 | 1963-08-08 | -38 | AAVSO |
| -1 | 11.3 | 2438577 | 1964-06-30 | 2438618 | 1964-08-10 | -41 | SVO |
| 0 | 11.6 | 2438930 | 1965-06-18 | 2438985 | 1965-08-12 | -55 | SVO |
| 1 | 11.7 | 2439300 | 1966-06-23 | 2439353 | 1966-08-15 | -53 | SVO |
| 2 | 10.7 | 2439660 | 1967-06-18 | 2439720 | 1967-08-17 | -60 | SVO |
| 3 | 11.8 | 2440035 | 1968-06-27 | 2440088 | 1968-08-19 | -53 | SVO |
| 4 | 12.3 | 2440416 | 1969-07-13 | 2440455 | 1969-08-21 | -39 | AAVSO |
| 5 | 11.0 | 2440778 | 1970-07-10 | 2440822 | 1970-08-23 | -44 | SVO |
| 6 | 2441145 | 1971-07-12 | 2441190 | 1971-08-26 | -45 | AAVSO | |
| 7 | 2441513 | 1972-07-14 | 2441557 | 1972-08-27 | -44 | AAVSO | |
| 8 | 11.6 | 2441902 | 1973-08-07 | 2441925 | 1973-08-30 | -23 | SVO |
| 9 | 12.0 | 2442264 | 1974-08-04 | 2442292 | 1974-09-01 | -28 | AAVSO |
| 10 | 11.6 | 2442636 | 1975-08-11 | 2442660 | 1975-09-04 | -24 | AAVSO |
| 11 | 12.5 | 2443003 | 1976-08-12 | 2443027 | 1976-09-05 | -24 | AAVSO |
| 12 | 11.9 | 2443369 | 1977-08-13 | 2443395 | 1977-09-08 | -26 | AAVSO |
| 13 | 12.1 | 2443736 | 1978-08-15 | 2443762 | 1978-09-10 | -26 | AAVSO |
| 14 | 2444102 | 1979-08-16 | 2444130 | 1979-09-13 | -28 | AAVSO | |
| 15 | 12.6 | 2444497 | 1980-09-14 | 2444497 | 1980-09-14 | 0 | AAVSO |
| 16 | 12.1 | 2444853 | 1981-09-05 | 2444865 | 1981-09-17 | -12 | AAVSO |
| 17 | 11.0 | 2445222 | 1982-09-09 | 2445232 | 1982-09-19 | -10 | AAVSO |
| 18 | 2445594 | 1983-09-16 | 2445600 | 1983-09-22 | -6 | AAVSO | |
| 19 | 12.2 | 2445961 | 1984-09-17 | 2445967 | 1984-09-23 | -6 | AAVSO |
| 20 | 11.1 | 2446343 | 1985-10-04 | 2446335 | 1985-09-26 | 8 | SVO |
| 21 | 12.6 | 2446702 | 1986-09-28 | 2446702 | 1986-09-28 | 0 | AAVSO |
| 22 | 2447065 | 1987-09-26 | 2447070 | 1987-10-01 | -5 | AAVSO | |
| 23 | 2447430 | 1988-09-25 | 2447437 | 1988-10-02 | -7 | AAVSO | |
| 24 | 2447805 | 1989-10-05 | 2447805 | 1989-10-05 | 0 | AAVSO | |
| 25 | 2448171 | 1990-10-06 | 2448172 | 1990-10-07 | -1 | AAVSO | |
| 26 | 2448544 | 1991-10-14 | 2448539 | 1991-10-09 | 5 | AAVSO | |
| 27 | 2448911 | 1992-10-15 | 2448907 | 1992-10-11 | 4 | AAVSO | |
| 28 | 2449275 | 1993-10-14 | 2449274 | 1993-10-13 | 1 | AAVSO | |
| 29 | 2449642 | 1994-10-16 | 2449642 | 1994-10-16 | 0 | AAVSO | |
| 30 | 2450012 | 1995-10-21 | 2450009 | 1995-10-18 | 3 | AAVSO | |
| 31 | 2450381 | 1996-10-24 | 2450377 | 1996-10-20 | 4 | AAVSO | |
| 32 | 2450747 | 1997-10-25 | 2450744 | 1997-10-22 | 3 | AAVSO | |
| 33 | 2451114 | 1998-10-27 | 2451112 | 1998-10-25 | 2 | AAVSO | |
| 34 | 2451481 | 1999-10-29 | 2451479 | 1999-10-27 | 2 | AAVSO | |
| 35 | 11.5 | 2451858 | 2000-11-09 | 2451847 | 2000-10-29 | 11 | SVO |
| 36 | 11.0 | 2452226 | 2001-11-12 | 2452214 | 2001-10-31 | 12 | SVO |
| 37 | 2452588 | 2002-11-09 | 2452582 | 2002-11-03 | 6 | AAVSO | |
| 38 | 11.0 | 2452964 | 2003-11-20 | 2452949 | 2003-11-05 | 15 | SVO |
| 39 | 11.6 | 2453353 | 2004-12-13 | 2453317 | 2004-11-07 | 36 | SVO |
| 40 | 10.8 | 2453710 | 2005-12-05 | 2453684 | 2005-11-09 | 26 | SVO |
| 41 | 2454061 | 2006-11-21 | 2454052 | 2006-11-12 | 9 | AAVSO | |
| 42 | 11.0 | 2454439 | 2007-12-04 | 2454419 | 2007-11-14 | 20 | SVO |
| 43 | 11.1 | 2454806 | 2008-12-05 | 2454787 | 2008-11-16 | 19 | SVO |
| 44 | 11.3 | 2455177 | 2009-12-11 | 2455154 | 2009-11-18 | 23 | SVO |
| 45 | 11.3 | 2455541 | 2010-12-10 | 2455522 | 2010-11-21 | 19 | AAVSO |
| 46 | 11.1 | 2455901 | 2011-12-05 | 2455889 | 2011-11-23 | 12 | AAVSO |
| 47 | 11.2 | 2456268 | 2012-12-06 | 2456256 | 2012-11-24 | 12 | AAVSO |
| 48 | 10.9 | 2456634 | 2013-12-07 | 2456624 | 2013-11-27 | 10 | AAVSO |
| 49 | 11.4 | 2456999 | 2014-12-07 | 2456991 | 2014-11-29 | 8 | AAVSO |
| 50 | 10.7 | 2457379 | 2015-12-22 | 2457359 | 2015-12-02 | 20 | AAVSO |
| 51 | 11.2 | 2457739 | 2016-12-16 | 2457726 | 2016-12-03 | 13 | SVO |
| 52 | 11.3 | 2458118 | 2017-12-30 | 2458094 | 2017-12-06 | 24 | SVO |
| 53 | 10.2 | 2458480 | 2018-12-27 | 2458461 | 2018-12-08 | 19 | SVO |
| 54 | 10.5 | 2458850 | 2020-01-01 | 2458829 | 2019-12-11 | 21 | SVO |
| 55 | 11.5 | 2459228 | 2021-01-13 | 2459196 | 2020-12-12 | 32 | SVO |
| 56 | 10.5 | 2459589 | 2022-01-09 | 2459564 | 2021-12-15 | 25 | SVO |
| 57 | 11.5 | 2459957 | 2023-01-12 | 2459931 | 2022-12-17 | 26 | SVO |
| 58 | 10.8 | 2460331 | 2024-01-21 | 2460299 | 2023-12-20 | 32 | 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. |