| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -51 | 2415665 | 1901-10-07 | 2415402 | 1901-01-17 | 263 | SVO | |
| -50 | 2416196 | 1903-03-22 | 2415971 | 1902-08-09 | 225 | AnHar, 1909, vol 55, p 95 | |
| -49 | 2416762 | 1904-10-08 | 2416540 | 1904-02-29 | 222 | AnHar, 1909, vol 55, p 95 | |
| -48 | 2417313 | 1906-04-12 | 2417109 | 1905-09-20 | 204 | GuL, 1920, 1.2 | |
| -47 | 2417860 | 1907-10-11 | 2417678 | 1907-04-12 | 182 | GuL, 1920, 1.2 | |
| -45 | 2418975 | 1910-10-30 | 2418816 | 1910-05-24 | 159 | SVO | |
| -44 | 2419545 | 1912-05-22 | 2419385 | 1911-12-14 | 160 | SVO | |
| -43 | 2420110 | 1913-12-08 | 2419954 | 1913-07-05 | 156 | SVO | |
| -42 | 2420660 | 1915-06-11 | 2420523 | 1915-01-25 | 137 | SVO | |
| -41 | 2421230 | 1917-01-01 | 2421092 | 1916-08-16 | 138 | SVO | |
| -38 | 2422910 | 1921-08-08 | 2422799 | 1921-04-19 | 111 | SVO | |
| -35 | 9.8 | 2424621 | 1926-04-15 | 2424506 | 1925-12-21 | 115 | AAVSO |
| -34 | 10.2 | 2425180 | 1927-10-26 | 2425075 | 1927-07-13 | 105 | AAVSO |
| -33 | 2425740 | 1929-05-08 | 2425644 | 1929-02-01 | 96 | AAVSO | |
| -32 | 9.8 | 2426271 | 1930-10-21 | 2426213 | 1930-08-24 | 58 | AAVSO |
| -31 | 9.9 | 2426829 | 1932-05-01 | 2426782 | 1932-03-15 | 47 | AAVSO |
| -30 | 10.0 | 2427407 | 1933-11-30 | 2427351 | 1933-10-05 | 56 | AAVSO |
| -29 | 9.7 | 2427967 | 1935-06-13 | 2427920 | 1935-04-27 | 47 | AAVSO |
| -28 | 2428528 | 1936-12-25 | 2428489 | 1936-11-16 | 39 | AAVSO | |
| -27 | 10.4 | 2429088 | 1938-07-08 | 2429058 | 1938-06-08 | 30 | AAVSO |
| -26 | 2429645 | 1940-01-16 | 2429627 | 1939-12-29 | 18 | AAVSO | |
| -25 | 9.9 | 2430196 | 1941-07-20 | 2430196 | 1941-07-20 | 0 | SVO |
| -24 | 2430769 | 1943-02-13 | 2430765 | 1943-02-09 | 4 | AAVSO | |
| -23 | 9.2 | 2431325 | 1944-08-22 | 2431334 | 1944-08-31 | -9 | SVO |
| -22 | 2431890 | 1946-03-10 | 2431903 | 1946-03-23 | -13 | AAVSO | |
| -21 | 9.9 | 2432438 | 1947-09-09 | 2432472 | 1947-10-13 | -34 | SVO |
| -20 | 8.2 | 2433011 | 1949-04-04 | 2433041 | 1949-05-04 | -30 | AAVSO |
| -19 | 9.1 | 2433578 | 1950-10-23 | 2433610 | 1950-11-24 | -32 | SVO |
| -18 | 10.9 | 2434147 | 1952-05-14 | 2434179 | 1952-06-15 | -32 | AAVSO |
| -17 | 8.9 | 2434740 | 1953-12-28 | 2434748 | 1954-01-05 | -8 | SVO |
| -16 | 9.7 | 2435308 | 1955-07-19 | 2435317 | 1955-07-28 | -9 | SVO |
| -15 | 9.4 | 2435905 | 1957-03-07 | 2435886 | 1957-02-16 | 19 | AAVSO |
| -14 | 10.3 | 2436489 | 1958-10-12 | 2436455 | 1958-09-08 | 34 | SVO |
| -13 | 10.2 | 2437057 | 1960-05-02 | 2437024 | 1960-03-30 | 33 | AAVSO |
| -12 | 9.6 | 2437637 | 1961-12-03 | 2437593 | 1961-10-20 | 44 | SVO |
| -11 | 10.1 | 2438208 | 1963-06-27 | 2438162 | 1963-05-12 | 46 | SVO |
| -10 | 9.4 | 2438779 | 1965-01-18 | 2438731 | 1964-12-01 | 48 | SVO |
| -9 | 9.8 | 2439352 | 1966-08-14 | 2439300 | 1966-06-23 | 52 | SVO |
| -8 | 2439880 | 1968-01-24 | 2439869 | 1968-01-13 | 11 | AAVSO | |
| -7 | 10.8 | 2440484 | 1969-09-19 | 2440438 | 1969-08-04 | 46 | SVO |
| -6 | 2441018 | 1971-03-07 | 2441007 | 1971-02-24 | 11 | AAVSO | |
| -5 | 10.1 | 2441603 | 1972-10-12 | 2441576 | 1972-09-15 | 27 | SVO |
| -4 | 10.2 | 2442156 | 1974-04-18 | 2442145 | 1974-04-07 | 11 | AAVSO |
| -3 | 10.8 | 2442723 | 1975-11-06 | 2442714 | 1975-10-28 | 9 | SVO |
| -2 | 10.7 | 2443290 | 1977-05-26 | 2443283 | 1977-05-19 | 7 | SVO |
| -1 | 11.1 | 2443862 | 1978-12-19 | 2443852 | 1978-12-09 | 10 | SVO |
| 0 | 10.0 | 2444429 | 1980-07-08 | 2444421 | 1980-06-30 | 8 | SVO |
| 1 | 10.9 | 2444991 | 1982-01-21 | 2444990 | 1982-01-20 | 1 | SVO |
| 2 | 10.9 | 2445572 | 1983-08-25 | 2445559 | 1983-08-12 | 13 | SVO |
| 3 | 10.5 | 2446141 | 1985-03-16 | 2446128 | 1985-03-03 | 13 | SVO |
| 4 | 10.0 | 2446705 | 1986-10-01 | 2446697 | 1986-09-23 | 8 | SVO |
| 5 | 2447256 | 1988-04-04 | 2447266 | 1988-04-14 | -10 | AAVSO | |
| 6 | 11.3 | 2447817 | 1989-10-17 | 2447835 | 1989-11-04 | -18 | SVO |
| 7 | 9.4 | 2448387 | 1991-05-10 | 2448404 | 1991-05-27 | -17 | SVO |
| 8 | 11.3 | 2448959 | 1992-12-02 | 2448973 | 1992-12-16 | -14 | SVO |
| 9 | 10.4 | 2449541 | 1994-07-07 | 2449542 | 1994-07-08 | -1 | SVO |
| 10 | 10.7 | 2450099 | 1996-01-16 | 2450111 | 1996-01-28 | -12 | SVO |
| 11 | 10.0 | 2450660 | 1997-07-30 | 2450680 | 1997-08-19 | -20 | SVO |
| 12 | 9.8 | 2451227 | 1999-02-17 | 2451249 | 1999-03-11 | -22 | SVO |
| 13 | 10.5 | 2451795 | 2000-09-07 | 2451818 | 2000-09-30 | -23 | SVO |
| 14 | 2452367 | 2002-04-02 | 2452387 | 2002-04-22 | -20 | AAVSO | |
| 15 | 9.8 | 2452945 | 2003-11-01 | 2452956 | 2003-11-12 | -11 | SVO |
| 16 | 2453511 | 2005-05-20 | 2453525 | 2005-06-03 | -14 | AAVSO | |
| 17 | 10.2 | 2454080 | 2006-12-10 | 2454094 | 2006-12-24 | -14 | SVO |
| 18 | 10.7 | 2454664 | 2008-07-16 | 2454663 | 2008-07-15 | 1 | SVO |
| 19 | 10.4 | 2455248 | 2010-02-20 | 2455232 | 2010-02-04 | 16 | SVO |
| 20 | 10.8 | 2455820 | 2011-09-15 | 2455801 | 2011-08-27 | 19 | SVO |
| 21 | 11.7 | 2456390 | 2013-04-07 | 2456370 | 2013-03-18 | 20 | SVO |
| 22 | 10.7 | 2456976 | 2014-11-14 | 2456939 | 2014-10-08 | 37 | SVO |
| 23 | 11.2 | 2457548 | 2016-06-08 | 2457508 | 2016-04-29 | 40 | SVO |
| 24 | 10.4 | 2458140 | 2018-01-21 | 2458077 | 2017-11-19 | 63 | SVO |
| 25 | 11.7 | 2458714 | 2019-08-18 | 2458646 | 2019-06-11 | 68 | SVO |
| 26 | 11.2 | 2459291 | 2021-03-17 | 2459215 | 2020-12-31 | 76 | SVO |
| 27 | 11.7 | 2459867 | 2022-10-14 | 2459784 | 2022-07-23 | 83 | 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. |