| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -62 | 2411585 | 1890-08-05 | 2411611 | 1890-08-31 | -26 | SVO | |
| -61 | 2412090 | 1891-12-23 | 2412108 | 1892-01-10 | -18 | SVO | |
| -59 | 2413080 | 1894-09-08 | 2413102 | 1894-09-30 | -22 | SVO | |
| -57 | 2414110 | 1897-07-04 | 2414096 | 1897-06-20 | 14 | SVO | |
| -56 | 2414620 | 1898-11-26 | 2414593 | 1898-10-30 | 27 | SVO | |
| -55 | 9.6 | 2415128 | 1900-04-18 | 2415089 | 1900-03-10 | 39 | SVO |
| -54 | 2415615 | 1901-08-18 | 2415586 | 1901-07-20 | 29 | GuL, 1920, 1.2 | |
| -53 | 2416111 | 1902-12-27 | 2416083 | 1902-11-29 | 28 | SVO | |
| -52 | 2416582 | 1904-04-11 | 2416580 | 1904-04-09 | 2 | GuL, 1920, 1.2 | |
| -51 | 9.5 | 2417130 | 1905-10-11 | 2417077 | 1905-08-19 | 53 | SVO |
| -50 | 8.6 | 2417644 | 1907-03-09 | 2417574 | 1906-12-29 | 70 | AAVSO |
| -49 | 2418121 | 1908-06-28 | 2418070 | 1908-05-08 | 51 | AAVSO | |
| -48 | 2418610 | 1909-10-30 | 2418567 | 1909-09-17 | 43 | SVO | |
| -47 | 10.0 | 2419100 | 1911-03-04 | 2419064 | 1911-01-27 | 36 | AAVSO |
| -46 | 10.0 | 2419593 | 1912-07-09 | 2419561 | 1912-06-07 | 32 | SVO |
| -45 | 9.8 | 2420097 | 1913-11-25 | 2420058 | 1913-10-17 | 39 | SVO |
| -43 | 9.6 | 2421050 | 1916-07-05 | 2421052 | 1916-07-07 | -2 | AAVSO |
| -42 | 9.4 | 2421552 | 1917-11-19 | 2421548 | 1917-11-15 | 4 | AAVSO |
| -41 | 9.5 | 2422028 | 1919-03-10 | 2422045 | 1919-03-27 | -17 | AAVSO |
| -40 | 2422530 | 1920-07-24 | 2422542 | 1920-08-05 | -12 | SVO | |
| -39 | 10.4 | 2423029 | 1921-12-05 | 2423039 | 1921-12-15 | -10 | SVO |
| -38 | 9.8 | 2423518 | 1923-04-08 | 2423536 | 1923-04-26 | -18 | SVO |
| -37 | 9.7 | 2423998 | 1924-07-31 | 2424033 | 1924-09-04 | -35 | SVO |
| -36 | 10.5 | 2424497 | 1925-12-12 | 2424530 | 1926-01-14 | -33 | SVO |
| -35 | 2424975 | 1927-04-04 | 2425026 | 1927-05-25 | -51 | AAVSO | |
| -34 | 9.8 | 2425491 | 1928-09-01 | 2425523 | 1928-10-03 | -32 | AAVSO |
| -33 | 10.2 | 2425971 | 1929-12-25 | 2426020 | 1930-02-12 | -49 | SVO |
| -32 | 10.6 | 2426480 | 1931-05-18 | 2426517 | 1931-06-24 | -37 | SVO |
| -31 | 9.8 | 2426972 | 1932-09-21 | 2427014 | 1932-11-02 | -42 | SVO |
| -30 | 10.5 | 2427467 | 1934-01-29 | 2427511 | 1934-03-14 | -44 | SVO |
| -29 | 9.9 | 2427968 | 1935-06-14 | 2428007 | 1935-07-23 | -39 | AAVSO |
| -28 | 10.4 | 2428469 | 1936-10-27 | 2428504 | 1936-12-01 | -35 | SVO |
| -27 | 9.9 | 2428969 | 1938-03-11 | 2429001 | 1938-04-12 | -32 | SVO |
| -26 | 10.8 | 2429477 | 1939-08-01 | 2429498 | 1939-08-22 | -21 | AAVSO |
| -25 | 10.7 | 2429975 | 1940-12-11 | 2429995 | 1940-12-31 | -20 | SVO |
| -24 | 10.3 | 2430494 | 1942-05-14 | 2430492 | 1942-05-12 | 2 | SVO |
| -23 | 10.1 | 2430982 | 1943-09-14 | 2430989 | 1943-09-21 | -7 | SVO |
| -22 | 10.9 | 2431494 | 1945-02-07 | 2431485 | 1945-01-29 | 9 | AAVSO |
| -21 | 9.6 | 2431996 | 1946-06-24 | 2431982 | 1946-06-10 | 14 | AAVSO |
| -20 | 10.5 | 2432482 | 1947-10-23 | 2432479 | 1947-10-20 | 3 | SVO |
| -19 | 9.5 | 2432983 | 1949-03-07 | 2432976 | 1949-02-28 | 7 | AAVSO |
| -18 | 10.0 | 2433482 | 1950-07-19 | 2433473 | 1950-07-10 | 9 | AAVSO |
| -17 | 10.3 | 2433978 | 1951-11-27 | 2433970 | 1951-11-19 | 8 | SVO |
| -16 | 10.4 | 2434474 | 1953-04-06 | 2434467 | 1953-03-30 | 7 | SVO |
| -15 | 10.1 | 2434983 | 1954-08-28 | 2434963 | 1954-08-08 | 20 | SVO |
| -14 | 10.6 | 2435475 | 1956-01-02 | 2435460 | 1955-12-18 | 15 | SVO |
| -13 | 9.6 | 2435973 | 1957-05-14 | 2435957 | 1957-04-28 | 16 | AAVSO |
| -12 | 9.8 | 2436466 | 1958-09-19 | 2436454 | 1958-09-07 | 12 | SVO |
| -11 | 10.3 | 2436969 | 1960-02-04 | 2436951 | 1960-01-17 | 18 | SVO |
| -10 | 9.6 | 2437452 | 1961-06-01 | 2437448 | 1961-05-28 | 4 | SVO |
| -9 | 10.9 | 2437955 | 1962-10-17 | 2437944 | 1962-10-06 | 11 | SVO |
| -8 | 10.5 | 2438465 | 1964-03-10 | 2438441 | 1964-02-15 | 24 | SVO |
| -7 | 10.3 | 2438921 | 1965-06-09 | 2438938 | 1965-06-26 | -17 | SVO |
| -6 | 10.6 | 2439438 | 1966-11-08 | 2439435 | 1966-11-05 | 3 | SVO |
| -5 | 10.7 | 2439938 | 1968-03-22 | 2439932 | 1968-03-16 | 6 | SVO |
| -4 | 11.1 | 2440433 | 1969-07-30 | 2440429 | 1969-07-26 | 4 | AAVSO |
| -3 | 11.1 | 2440914 | 1970-11-23 | 2440926 | 1970-12-05 | -12 | SVO |
| -2 | 10.6 | 2441422 | 1972-04-14 | 2441422 | 1972-04-14 | 0 | SVO |
| -1 | 11.0 | 2441907 | 1973-08-12 | 2441919 | 1973-08-24 | -12 | AAVSO |
| 0 | 11.2 | 2442382 | 1974-11-30 | 2442416 | 1975-01-03 | -34 | SVO |
| 1 | 10.7 | 2442885 | 1976-04-16 | 2442913 | 1976-05-14 | -28 | SVO |
| 2 | 10.1 | 2443367 | 1977-08-11 | 2443410 | 1977-09-23 | -43 | SVO |
| 3 | 10.7 | 2443855 | 1978-12-12 | 2443907 | 1979-02-02 | -52 | SVO |
| 4 | 10.2 | 2444343 | 1980-04-13 | 2444404 | 1980-06-13 | -61 | SVO |
| 5 | 10.9 | 2444847 | 1981-08-30 | 2444900 | 1981-10-22 | -53 | SVO |
| 6 | 10.5 | 2445361 | 1983-01-26 | 2445397 | 1983-03-03 | -36 | SVO |
| 7 | 9.7 | 2445842 | 1984-05-21 | 2445894 | 1984-07-12 | -52 | SVO |
| 8 | 10.6 | 2446351 | 1985-10-12 | 2446391 | 1985-11-21 | -40 | SVO |
| 9 | 10.0 | 2446874 | 1987-03-19 | 2446888 | 1987-04-02 | -14 | SVO |
| 10 | 10.2 | 2447368 | 1988-07-25 | 2447385 | 1988-08-11 | -17 | SVO |
| 11 | 10.6 | 2447890 | 1989-12-29 | 2447881 | 1989-12-20 | 9 | SVO |
| 12 | 10.1 | 2448389 | 1991-05-12 | 2448378 | 1991-05-01 | 11 | SVO |
| 13 | 10.3 | 2448895 | 1992-09-29 | 2448875 | 1992-09-09 | 20 | SVO |
| 14 | 9.5 | 2449399 | 1994-02-15 | 2449372 | 1994-01-19 | 27 | SVO |
| 15 | 10.3 | 2449901 | 1995-07-02 | 2449869 | 1995-05-31 | 32 | SVO |
| 16 | 10.2 | 2450413 | 1996-11-25 | 2450366 | 1996-10-09 | 47 | SVO |
| 17 | 10.0 | 2450915 | 1998-04-11 | 2450863 | 1998-02-18 | 52 | SVO |
| 18 | 9.8 | 2451412 | 1999-08-21 | 2451359 | 1999-06-29 | 53 | SVO |
| 19 | 9.6 | 2451904 | 2000-12-25 | 2451856 | 2000-11-07 | 48 | SVO |
| 20 | 10.3 | 2452399 | 2002-05-04 | 2452353 | 2002-03-19 | 46 | SVO |
| 21 | 9.8 | 2452891 | 2003-09-08 | 2452850 | 2003-07-29 | 41 | SVO |
| 22 | 10.6 | 2453386 | 2005-01-15 | 2453347 | 2004-12-07 | 39 | SVO |
| 23 | 9.5 | 2453874 | 2006-05-18 | 2453844 | 2006-04-18 | 30 | SVO |
| 24 | 11.2 | 2454362 | 2007-09-18 | 2454341 | 2007-08-28 | 21 | SVO |
| 25 | 10.4 | 2454848 | 2009-01-16 | 2454837 | 2009-01-05 | 11 | SVO |
| 26 | 10.1 | 2455339 | 2010-05-22 | 2455334 | 2010-05-17 | 5 | SVO |
| 27 | 10.2 | 2455841 | 2011-10-06 | 2455831 | 2011-09-26 | 10 | SVO |
| 28 | 10.5 | 2456332 | 2013-02-08 | 2456328 | 2013-02-04 | 4 | SVO |
| 29 | 10.1 | 2456820 | 2014-06-11 | 2456825 | 2014-06-16 | -5 | SVO |
| 30 | 10.1 | 2457317 | 2015-10-21 | 2457322 | 2015-10-26 | -5 | SVO |
| 31 | 10.1 | 2457811 | 2017-02-26 | 2457818 | 2017-03-05 | -7 | SVO |
| 32 | 9.8 | 2458301 | 2018-07-01 | 2458315 | 2018-07-15 | -14 | SVO |
| 33 | 9.3 | 2458797 | 2019-11-09 | 2458812 | 2019-11-24 | -15 | SVO |
| 34 | 10.7 | 2459285 | 2021-03-11 | 2459309 | 2021-04-04 | -24 | SVO |
| 35 | 10.1 | 2459786 | 2022-07-25 | 2459806 | 2022-08-14 | -20 | 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. |