| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -51 | 2415680 | 1901-10-22 | 2415508 | 1901-05-03 | 172 | AnHar, 1909, vol 55, p 95 | |
| -50 | 2416196 | 1903-03-22 | 2416075 | 1902-11-21 | 121 | AnHar, 1909, vol 55, p 95 | |
| -49 | 2416762 | 1904-10-08 | 2416642 | 1904-06-10 | 120 | AnHar, 1909, vol 55, p 95 | |
| -48 | 2417313 | 1906-04-12 | 2417210 | 1905-12-30 | 103 | GuL, 1920, 1.2 | |
| -47 | 2417860 | 1907-10-11 | 2417777 | 1907-07-20 | 83 | GuL, 1920, 1.2 | |
| -35 | 9.8 | 2424621 | 1926-04-15 | 2424585 | 1926-03-10 | 36 | AAVSO |
| -34 | 10.2 | 2425180 | 1927-10-26 | 2425152 | 1927-09-28 | 28 | AAVSO |
| -33 | 2425740 | 1929-05-08 | 2425720 | 1929-04-18 | 20 | AAVSO | |
| -32 | 9.8 | 2426271 | 1930-10-21 | 2426287 | 1930-11-06 | -16 | AAVSO |
| -31 | 9.9 | 2426829 | 1932-05-01 | 2426854 | 1932-05-26 | -25 | AAVSO |
| -30 | 10.0 | 2427407 | 1933-11-30 | 2427422 | 1933-12-15 | -15 | AAVSO |
| -29 | 9.7 | 2427967 | 1935-06-13 | 2427989 | 1935-07-05 | -22 | AAVSO |
| -28 | 2428528 | 1936-12-25 | 2428556 | 1937-01-22 | -28 | AAVSO | |
| -27 | 10.4 | 2429088 | 1938-07-08 | 2429124 | 1938-08-13 | -36 | AAVSO |
| -26 | 2429645 | 1940-01-16 | 2429691 | 1940-03-02 | -46 | AAVSO | |
| -25 | 9.9 | 2430196 | 1941-07-20 | 2430258 | 1941-09-20 | -62 | SVO |
| -24 | 2430769 | 1943-02-13 | 2430826 | 1943-04-11 | -57 | AAVSO | |
| -23 | 9.2 | 2431325 | 1944-08-22 | 2431393 | 1944-10-29 | -68 | SVO |
| -22 | 2431890 | 1946-03-10 | 2431960 | 1946-05-19 | -70 | AAVSO | |
| -21 | 9.9 | 2432438 | 1947-09-09 | 2432528 | 1947-12-08 | -90 | SVO |
| -20 | 8.2 | 2433011 | 1949-04-04 | 2433095 | 1949-06-27 | -84 | AAVSO |
| -19 | 9.1 | 2433578 | 1950-10-23 | 2433662 | 1951-01-15 | -84 | SVO |
| -18 | 10.9 | 2434147 | 1952-05-14 | 2434230 | 1952-08-05 | -83 | AAVSO |
| -17 | 8.9 | 2434740 | 1953-12-28 | 2434797 | 1954-02-23 | -57 | SVO |
| -16 | 9.7 | 2435308 | 1955-07-19 | 2435364 | 1955-09-13 | -56 | SVO |
| -15 | 9.4 | 2435905 | 1957-03-07 | 2435932 | 1957-04-03 | -27 | AAVSO |
| -14 | 10.3 | 2436489 | 1958-10-12 | 2436499 | 1958-10-22 | -10 | SVO |
| -13 | 10.2 | 2437057 | 1960-05-02 | 2437066 | 1960-05-11 | -9 | AAVSO |
| -12 | 9.6 | 2437637 | 1961-12-03 | 2437634 | 1961-11-30 | 3 | SVO |
| -11 | 10.1 | 2438208 | 1963-06-27 | 2438201 | 1963-06-20 | 7 | SVO |
| -10 | 9.4 | 2438779 | 1965-01-18 | 2438768 | 1965-01-07 | 11 | SVO |
| -9 | 9.8 | 2439352 | 1966-08-14 | 2439336 | 1966-07-29 | 16 | SVO |
| -8 | 2439880 | 1968-01-24 | 2439903 | 1968-02-16 | -23 | AAVSO | |
| -7 | 10.8 | 2440484 | 1969-09-19 | 2440470 | 1969-09-05 | 14 | SVO |
| -6 | 2441018 | 1971-03-07 | 2441038 | 1971-03-27 | -20 | AAVSO | |
| -5 | 10.1 | 2441603 | 1972-10-12 | 2441605 | 1972-10-14 | -2 | SVO |
| -4 | 10.2 | 2442156 | 1974-04-18 | 2442172 | 1974-05-04 | -16 | AAVSO |
| -3 | 10.8 | 2442723 | 1975-11-06 | 2442740 | 1975-11-23 | -17 | SVO |
| -2 | 10.7 | 2443290 | 1977-05-26 | 2443307 | 1977-06-12 | -17 | SVO |
| -1 | 11.1 | 2443862 | 1978-12-19 | 2443874 | 1978-12-31 | -12 | SVO |
| 0 | 10.0 | 2444429 | 1980-07-08 | 2444442 | 1980-07-21 | -13 | SVO |
| 1 | 10.9 | 2444991 | 1982-01-21 | 2445009 | 1982-02-08 | -18 | SVO |
| 2 | 10.9 | 2445572 | 1983-08-25 | 2445576 | 1983-08-29 | -4 | SVO |
| 3 | 10.5 | 2446141 | 1985-03-16 | 2446144 | 1985-03-19 | -3 | SVO |
| 4 | 10.0 | 2446705 | 1986-10-01 | 2446711 | 1986-10-07 | -6 | SVO |
| 5 | 2447256 | 1988-04-04 | 2447278 | 1988-04-26 | -22 | AAVSO | |
| 6 | 11.3 | 2447817 | 1989-10-17 | 2447846 | 1989-11-15 | -29 | SVO |
| 7 | 9.4 | 2448387 | 1991-05-10 | 2448413 | 1991-06-05 | -26 | SVO |
| 8 | 11.3 | 2448959 | 1992-12-02 | 2448980 | 1992-12-23 | -21 | SVO |
| 9 | 10.4 | 2449541 | 1994-07-07 | 2449548 | 1994-07-14 | -7 | SVO |
| 10 | 10.7 | 2450099 | 1996-01-16 | 2450115 | 1996-02-01 | -16 | SVO |
| 11 | 10.0 | 2450660 | 1997-07-30 | 2450682 | 1997-08-21 | -22 | SVO |
| 12 | 9.8 | 2451227 | 1999-02-17 | 2451250 | 1999-03-12 | -23 | SVO |
| 13 | 10.5 | 2451795 | 2000-09-07 | 2451817 | 2000-09-29 | -22 | SVO |
| 14 | 2452367 | 2002-04-02 | 2452384 | 2002-04-19 | -17 | AAVSO | |
| 15 | 9.8 | 2452945 | 2003-11-01 | 2452952 | 2003-11-08 | -7 | SVO |
| 16 | 2453511 | 2005-05-20 | 2453519 | 2005-05-28 | -8 | AAVSO | |
| 17 | 10.2 | 2454080 | 2006-12-10 | 2454086 | 2006-12-16 | -6 | SVO |
| 18 | 10.7 | 2454664 | 2008-07-16 | 2454654 | 2008-07-06 | 10 | SVO |
| 19 | 10.4 | 2455248 | 2010-02-20 | 2455221 | 2010-01-24 | 27 | SVO |
| 20 | 10.8 | 2455820 | 2011-09-15 | 2455788 | 2011-08-14 | 32 | SVO |
| 21 | 11.7 | 2456390 | 2013-04-07 | 2456356 | 2013-03-04 | 34 | SVO |
| 22 | 10.7 | 2456976 | 2014-11-14 | 2456923 | 2014-09-22 | 53 | SVO |
| 23 | 11.2 | 2457548 | 2016-06-08 | 2457490 | 2016-04-11 | 58 | SVO |
| 24 | 10.4 | 2458140 | 2018-01-21 | 2458058 | 2017-10-31 | 82 | SVO |
| 25 | 11.7 | 2458714 | 2019-08-18 | 2458625 | 2019-05-21 | 89 | SVO |
| 26 | 11.2 | 2459291 | 2021-03-17 | 2459192 | 2020-12-08 | 99 | SVO |
| 27 | 11.7 | 2459867 | 2022-10-14 | 2459760 | 2022-06-29 | 107 | 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. |