| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -101 | 2414530 | 1898-08-28 | 2414492 | 1898-07-21 | 38 | SVO | |
| -100 | 2414805 | 1899-05-30 | 2414796 | 1899-05-21 | 9 | SVO | |
| -99 | 2415125 | 1900-04-15 | 2415100 | 1900-03-21 | 25 | SVO | |
| -97 | 2415725 | 1901-12-06 | 2415709 | 1901-11-20 | 16 | SVO | |
| -96 | 2416030 | 1902-10-07 | 2416014 | 1902-09-21 | 16 | SVO | |
| -95 | 2416350 | 1903-08-23 | 2416318 | 1903-07-22 | 32 | SVO | |
| -94 | 2416650 | 1904-06-18 | 2416622 | 1904-05-21 | 28 | SVO | |
| -93 | 2416950 | 1905-04-14 | 2416927 | 1905-03-22 | 23 | SVO | |
| -90 | 2417865 | 1907-10-16 | 2417840 | 1907-09-21 | 25 | SVO | |
| -88 | 2418470 | 1909-06-12 | 2418448 | 1909-05-21 | 22 | SVO | |
| -84 | 2419690 | 1912-10-14 | 2419666 | 1912-09-20 | 24 | SVO | |
| -83 | 2419980 | 1913-07-31 | 2419970 | 1913-07-21 | 10 | SVO | |
| -82 | 2420290 | 1914-06-06 | 2420275 | 1914-05-22 | 15 | SVO | |
| -81 | 2420589 | 1915-04-01 | 2420579 | 1915-03-22 | 10 | SVO | |
| -79 | 2421210 | 1916-12-12 | 2421188 | 1916-11-20 | 22 | AN, 1929, vol 235, p 209, AnHar, 1937, vol 105, p 459 | |
| -78 | 2421500 | 1917-09-28 | 2421492 | 1917-09-20 | 8 | AN, 1929, vol 235, p 209 | |
| -77 | 9.5 | 2421809 | 1918-08-03 | 2421796 | 1918-07-21 | 13 | SVO |
| -76 | 2422115 | 1919-06-05 | 2422101 | 1919-05-22 | 14 | SVO | |
| -75 | 2422433 | 1920-04-18 | 2422405 | 1920-03-21 | 28 | AN, 1929, vol 235, p 209 | |
| -74 | 2422710 | 1921-01-20 | 2422710 | 1921-01-20 | 0 | SVO | |
| -73 | 9.5 | 2423024 | 1921-11-30 | 2423014 | 1921-11-20 | 10 | SVO |
| -72 | 9.5 | 2423329 | 1922-10-01 | 2423318 | 1922-09-20 | 11 | AAVSO |
| -71 | 9.6 | 2423630 | 1923-07-29 | 2423623 | 1923-07-22 | 7 | AAVSO |
| -70 | 9.1 | 2423931 | 1924-05-25 | 2423927 | 1924-05-21 | 4 | AAVSO |
| -69 | 9.8 | 2424241 | 1925-03-31 | 2424231 | 1925-03-21 | 10 | AAVSO |
| -68 | 9.8 | 2424543 | 1926-01-27 | 2424536 | 1926-01-20 | 7 | AAVSO |
| -67 | 9.0 | 2424841 | 1926-11-21 | 2424840 | 1926-11-20 | 1 | AAVSO |
| -66 | 9.8 | 2425145 | 1927-09-21 | 2425144 | 1927-09-20 | 1 | AAVSO |
| -65 | 9.6 | 2425457 | 1928-07-29 | 2425449 | 1928-07-21 | 8 | AAVSO |
| -64 | 10.0 | 2425761 | 1929-05-29 | 2425753 | 1929-05-21 | 8 | AAVSO |
| -63 | 10.4 | 2426059 | 1930-03-23 | 2426058 | 1930-03-22 | 1 | AAVSO |
| -62 | 9.9 | 2426357 | 1931-01-15 | 2426362 | 1931-01-20 | -5 | AAVSO |
| -61 | 9.6 | 2426673 | 1931-11-27 | 2426666 | 1931-11-20 | 7 | AAVSO |
| -60 | 9.9 | 2426977 | 1932-09-26 | 2426971 | 1932-09-20 | 6 | AAVSO |
| -59 | 10.0 | 2427285 | 1933-07-31 | 2427275 | 1933-07-21 | 10 | AAVSO |
| -58 | 9.0 | 2427581 | 1934-05-23 | 2427579 | 1934-05-21 | 2 | AAVSO |
| -57 | 2427882 | 1935-03-20 | 2427884 | 1935-03-22 | -2 | AAVSO | |
| -56 | 2428181 | 1936-01-13 | 2428188 | 1936-01-20 | -7 | AAVSO | |
| -55 | 9.3 | 2428483 | 1936-11-10 | 2428492 | 1936-11-19 | -9 | AAVSO |
| -54 | 10.6 | 2428796 | 1937-09-19 | 2428797 | 1937-09-20 | -1 | AAVSO |
| -53 | 9.9 | 2429101 | 1938-07-21 | 2429101 | 1938-07-21 | 0 | SVO |
| -52 | 9.4 | 2429394 | 1939-05-10 | 2429406 | 1939-05-22 | -12 | SVO |
| -51 | 11.4 | 2429701 | 1940-03-12 | 2429710 | 1940-03-21 | -9 | AAVSO |
| -50 | 2429995 | 1940-12-31 | 2430014 | 1941-01-19 | -19 | AAVSO | |
| -49 | 10.1 | 2430305 | 1941-11-06 | 2430319 | 1941-11-20 | -14 | SVO |
| -48 | 9.6 | 2430592 | 1942-08-20 | 2430623 | 1942-09-20 | -31 | SVO |
| -47 | 9.5 | 2430905 | 1943-06-29 | 2430927 | 1943-07-21 | -22 | SVO |
| -46 | 9.3 | 2431208 | 1944-04-27 | 2431232 | 1944-05-21 | -24 | SVO |
| -45 | 9.4 | 2431511 | 1945-02-24 | 2431536 | 1945-03-21 | -25 | AAVSO |
| -43 | 10.4 | 2432136 | 1946-11-11 | 2432145 | 1946-11-20 | -9 | SVO |
| -42 | 9.7 | 2432428 | 1947-08-30 | 2432449 | 1947-09-20 | -21 | SVO |
| -41 | 9.4 | 2432729 | 1948-06-26 | 2432754 | 1948-07-21 | -25 | SVO |
| -40 | 10.7 | 2433031 | 1949-04-24 | 2433058 | 1949-05-21 | -27 | SVO |
| -39 | 9.8 | 2433329 | 1950-02-16 | 2433362 | 1950-03-21 | -33 | AAVSO |
| -38 | 2433647 | 1950-12-31 | 2433667 | 1951-01-20 | -20 | AAVSO | |
| -37 | 9.7 | 2433946 | 1951-10-26 | 2433971 | 1951-11-20 | -25 | SVO |
| -36 | 10.0 | 2434251 | 1952-08-26 | 2434275 | 1952-09-19 | -24 | SVO |
| -35 | 9.3 | 2434549 | 1953-06-20 | 2434580 | 1953-07-21 | -31 | SVO |
| -34 | 10.7 | 2434858 | 1954-04-25 | 2434884 | 1954-05-21 | -26 | AAVSO |
| -33 | 10.0 | 2435170 | 1955-03-03 | 2435189 | 1955-03-22 | -19 | AAVSO |
| -32 | 2435479 | 1956-01-06 | 2435493 | 1956-01-20 | -14 | AAVSO | |
| -31 | 9.8 | 2435782 | 1956-11-04 | 2435797 | 1956-11-19 | -15 | AAVSO |
| -30 | 9.7 | 2436076 | 1957-08-25 | 2436102 | 1957-09-20 | -26 | SVO |
| -29 | 9.8 | 2436379 | 1958-06-24 | 2436406 | 1958-07-21 | -27 | SVO |
| -28 | 9.2 | 2436677 | 1959-04-18 | 2436710 | 1959-05-21 | -33 | AAVSO |
| -27 | 10.2 | 2436981 | 1960-02-16 | 2437015 | 1960-03-21 | -34 | AAVSO |
| -26 | 9.5 | 2437281 | 1960-12-12 | 2437319 | 1961-01-19 | -38 | AAVSO |
| -25 | 10.7 | 2437589 | 1961-10-16 | 2437623 | 1961-11-19 | -34 | SVO |
| -24 | 10.0 | 2437894 | 1962-08-17 | 2437928 | 1962-09-20 | -34 | SVO |
| -23 | 9.7 | 2438195 | 1963-06-14 | 2438232 | 1963-07-21 | -37 | SVO |
| -22 | 9.2 | 2438494 | 1964-04-08 | 2438537 | 1964-05-21 | -43 | SVO |
| -21 | 10.3 | 2438817 | 1965-02-25 | 2438841 | 1965-03-21 | -24 | AAVSO |
| -20 | 9.7 | 2439112 | 1965-12-17 | 2439145 | 1966-01-19 | -33 | SVO |
| -19 | 9.5 | 2439420 | 1966-10-21 | 2439450 | 1966-11-20 | -30 | SVO |
| -18 | 10.2 | 2439729 | 1967-08-26 | 2439754 | 1967-09-20 | -25 | SVO |
| -17 | 9.8 | 2440037 | 1968-06-29 | 2440058 | 1968-07-20 | -21 | SVO |
| -16 | 9.7 | 2440334 | 1969-04-22 | 2440363 | 1969-05-21 | -29 | SVO |
| -15 | 9.8 | 2440643 | 1970-02-25 | 2440667 | 1970-03-21 | -24 | AAVSO |
| -14 | 10.0 | 2440940 | 1970-12-19 | 2440971 | 1971-01-19 | -31 | SVO |
| -13 | 10.0 | 2441255 | 1971-10-30 | 2441276 | 1971-11-20 | -21 | SVO |
| -12 | 9.4 | 2441555 | 1972-08-25 | 2441580 | 1972-09-19 | -25 | SVO |
| -11 | 9.6 | 2441866 | 1973-07-02 | 2441885 | 1973-07-21 | -19 | SVO |
| -10 | 9.7 | 2442173 | 1974-05-05 | 2442189 | 1974-05-21 | -16 | SVO |
| -9 | 9.9 | 2442488 | 1975-03-16 | 2442493 | 1975-03-21 | -5 | SVO |
| -8 | 9.4 | 2442779 | 1976-01-01 | 2442798 | 1976-01-20 | -19 | SVO |
| -7 | 10.1 | 2443104 | 1976-11-21 | 2443102 | 1976-11-19 | 2 | SVO |
| -6 | 10.2 | 2443420 | 1977-10-03 | 2443406 | 1977-09-19 | 14 | SVO |
| -5 | 9.6 | 2443722 | 1978-08-01 | 2443711 | 1978-07-21 | 11 | SVO |
| -4 | 10.0 | 2444023 | 1979-05-29 | 2444015 | 1979-05-21 | 8 | SVO |
| -3 | 9.5 | 2444334 | 1980-04-04 | 2444319 | 1980-03-20 | 15 | SVO |
| -2 | 10.4 | 2444643 | 1981-02-07 | 2444624 | 1981-01-19 | 19 | SVO |
| -1 | 9.8 | 2444959 | 1981-12-20 | 2444928 | 1981-11-19 | 31 | SVO |
| 0 | 10.1 | 2445264 | 1982-10-21 | 2445233 | 1982-09-20 | 31 | SVO |
| 1 | 10.1 | 2445563 | 1983-08-16 | 2445537 | 1983-07-21 | 26 | SVO |
| 2 | 9.8 | 2445868 | 1984-06-16 | 2445841 | 1984-05-20 | 27 | SVO |
| 3 | 9.5 | 2446177 | 1985-04-21 | 2446146 | 1985-03-21 | 31 | SVO |
| 4 | 9.7 | 2446478 | 1986-02-16 | 2446450 | 1986-01-19 | 28 | SVO |
| 5 | 9.8 | 2446789 | 1986-12-24 | 2446754 | 1986-11-19 | 35 | SVO |
| 6 | 9.8 | 2447091 | 1987-10-22 | 2447059 | 1987-09-20 | 32 | SVO |
| 7 | 9.8 | 2447393 | 1988-08-19 | 2447363 | 1988-07-20 | 30 | SVO |
| 8 | 9.8 | 2447695 | 1989-06-17 | 2447667 | 1989-05-20 | 28 | SVO |
| 9 | 9.7 | 2447990 | 1990-04-08 | 2447972 | 1990-03-21 | 18 | SVO |
| 10 | 10.0 | 2448295 | 1991-02-07 | 2448276 | 1991-01-19 | 19 | SVO |
| 11 | 9.5 | 2448600 | 1991-12-09 | 2448581 | 1991-11-20 | 19 | SVO |
| 12 | 10.2 | 2448908 | 1992-10-12 | 2448885 | 1992-09-19 | 23 | SVO |
| 13 | 10.0 | 2449213 | 1993-08-13 | 2449189 | 1993-07-20 | 24 | SVO |
| 14 | 9.8 | 2449507 | 1994-06-03 | 2449494 | 1994-05-21 | 13 | SVO |
| 15 | 10.2 | 2449812 | 1995-04-04 | 2449798 | 1995-03-21 | 14 | SVO |
| 16 | 10.1 | 2450118 | 1996-02-04 | 2450102 | 1996-01-19 | 16 | SVO |
| 17 | 9.7 | 2450410 | 1996-11-22 | 2450407 | 1996-11-19 | 3 | SVO |
| 18 | 9.9 | 2450718 | 1997-09-26 | 2450711 | 1997-09-19 | 7 | SVO |
| 19 | 9.6 | 2451018 | 1998-07-23 | 2451015 | 1998-07-20 | 3 | SVO |
| 20 | 9.7 | 2451318 | 1999-05-19 | 2451320 | 1999-05-21 | -2 | SVO |
| 21 | 10.2 | 2451626 | 2000-03-22 | 2451624 | 2000-03-20 | 2 | SVO |
| 22 | 9.8 | 2451930 | 2001-01-20 | 2451929 | 2001-01-19 | 1 | SVO |
| 23 | 10.5 | 2452227 | 2001-11-13 | 2452233 | 2001-11-19 | -6 | SVO |
| 24 | 9.5 | 2452530 | 2002-09-12 | 2452537 | 2002-09-19 | -7 | SVO |
| 25 | 10.2 | 2452837 | 2003-07-16 | 2452842 | 2003-07-21 | -5 | SVO |
| 26 | 10.1 | 2453145 | 2004-05-19 | 2453146 | 2004-05-20 | -1 | SVO |
| 27 | 10.3 | 2453446 | 2005-03-16 | 2453450 | 2005-03-20 | -4 | SVO |
| 28 | 9.3 | 2453748 | 2006-01-12 | 2453755 | 2006-01-19 | -7 | SVO |
| 29 | 10.3 | 2454055 | 2006-11-15 | 2454059 | 2006-11-19 | -4 | SVO |
| 30 | 9.7 | 2454366 | 2007-09-22 | 2454363 | 2007-09-19 | 3 | SVO |
| 31 | 10.5 | 2454673 | 2008-07-25 | 2454668 | 2008-07-20 | 5 | SVO |
| 32 | 10.1 | 2454979 | 2009-05-27 | 2454972 | 2009-05-20 | 7 | SVO |
| 33 | 9.9 | 2455272 | 2010-03-16 | 2455277 | 2010-03-21 | -5 | SVO |
| 34 | 10.2 | 2455580 | 2011-01-18 | 2455581 | 2011-01-19 | -1 | SVO |
| 35 | 10.7 | 2455889 | 2011-11-23 | 2455885 | 2011-11-19 | 4 | SVO |
| 36 | 10.2 | 2456191 | 2012-09-20 | 2456190 | 2012-09-19 | 1 | SVO |
| 37 | 10.4 | 2456492 | 2013-07-18 | 2456494 | 2013-07-20 | -2 | SVO |
| 38 | 10.2 | 2456798 | 2014-05-20 | 2456798 | 2014-05-20 | 0 | SVO |
| 39 | 9.8 | 2457102 | 2015-03-20 | 2457103 | 2015-03-21 | -1 | SVO |
| 40 | 11.4 | 2457420 | 2016-02-01 | 2457407 | 2016-01-19 | 13 | SVO |
| 41 | 10.3 | 2457722 | 2016-11-29 | 2457711 | 2016-11-18 | 11 | SVO |
| 42 | 10.6 | 2458023 | 2017-09-26 | 2458016 | 2017-09-19 | 7 | SVO |
| 43 | 9.9 | 2458339 | 2018-08-08 | 2458320 | 2018-07-20 | 19 | SVO |
| 44 | 10.8 | 2458640 | 2019-06-05 | 2458625 | 2019-05-21 | 15 | SVO |
| 45 | 10.6 | 2458942 | 2020-04-02 | 2458929 | 2020-03-20 | 13 | SVO |
| 46 | 10.1 | 2459244 | 2021-01-29 | 2459233 | 2021-01-18 | 11 | SVO |
| 47 | 10.1 | 2459551 | 2021-12-02 | 2459538 | 2021-11-19 | 13 | SVO |
| 48 | 10.5 | 2459860 | 2022-10-07 | 2459842 | 2022-09-19 | 18 | 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. |