| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -49 | 2415009 | 1899-12-20 | 2414714 | 1899-02-28 | 295 | AnHar, 1909, vol 55, p 95 | |
| -47 | 2416141 | 1903-01-26 | 2415859 | 1902-04-19 | 282 | AnHar, 1909, vol 55, p 95 | |
| -46 | 2416749 | 1904-09-25 | 2416432 | 1903-11-13 | 317 | AnHar, 1909, vol 55, p 95 | |
| -37 | 2421660 | 1918-03-07 | 2421584 | 1917-12-21 | 76 | SVO | |
| -34 | 10.6 | 2423276 | 1922-08-09 | 2423302 | 1922-09-04 | -26 | SVO |
| -33 | 10.2 | 2423823 | 1924-02-07 | 2423874 | 1924-03-29 | -51 | AAVSO |
| -32 | 10.5 | 2424363 | 1925-07-31 | 2424447 | 1925-10-23 | -84 | SVO |
| -31 | 10.6 | 2424890 | 1927-01-09 | 2425019 | 1927-05-18 | -129 | SVO |
| -30 | 2425446 | 1928-07-18 | 2425592 | 1928-12-11 | -146 | AAVSO | |
| -29 | 10.4 | 2426009 | 1930-02-01 | 2426164 | 1930-07-06 | -155 | SVO |
| -28 | 10.2 | 2426556 | 1931-08-02 | 2426737 | 1932-01-30 | -181 | SVO |
| -27 | 10.8 | 2427130 | 1933-02-26 | 2427309 | 1933-08-24 | -179 | AAVSO |
| -26 | 10.5 | 2427710 | 1934-09-29 | 2427882 | 1935-03-20 | -172 | SVO |
| -25 | 10.1 | 2428279 | 1936-04-20 | 2428454 | 1936-10-12 | -175 | AAVSO |
| -24 | 10.4 | 2428891 | 1937-12-23 | 2429027 | 1938-05-08 | -136 | SVO |
| -23 | 11.0 | 2429516 | 1939-09-09 | 2429599 | 1939-12-01 | -83 | SVO |
| -22 | 10.4 | 2430075 | 1941-03-21 | 2430172 | 1941-06-26 | -97 | AAVSO |
| -21 | 10.1 | 2430686 | 1942-11-22 | 2430744 | 1943-01-19 | -58 | SVO |
| -20 | 2431249 | 1944-06-07 | 2431316 | 1944-08-13 | -67 | AAVSO | |
| -18 | 10.3 | 2432524 | 1947-12-04 | 2432461 | 1947-10-02 | 63 | AAVSO |
| -17 | 2433131 | 1949-08-02 | 2433034 | 1949-04-27 | 97 | AAVSO | |
| -16 | 10.8 | 2433700 | 1951-02-22 | 2433606 | 1950-11-20 | 94 | SVO |
| -15 | 10.4 | 2434313 | 1952-10-27 | 2434179 | 1952-06-15 | 134 | SVO |
| -14 | 10.2 | 2434897 | 1954-06-03 | 2434751 | 1954-01-08 | 146 | AAVSO |
| -13 | 10.2 | 2435462 | 1955-12-20 | 2435324 | 1955-08-04 | 138 | SVO |
| -12 | 10.5 | 2436065 | 1957-08-14 | 2435896 | 1957-02-26 | 169 | SVO |
| -11 | 9.9 | 2436626 | 1959-02-26 | 2436469 | 1958-09-22 | 157 | AAVSO |
| -10 | 11.1 | 2437207 | 1960-09-29 | 2437041 | 1960-04-16 | 166 | SVO |
| -9 | 9.7 | 2437775 | 1962-04-20 | 2437614 | 1961-11-10 | 161 | AAVSO |
| -8 | 10.7 | 2438333 | 1963-10-30 | 2438186 | 1963-06-05 | 147 | AAVSO |
| -7 | 10.3 | 2438899 | 1965-05-18 | 2438759 | 1964-12-29 | 140 | AAVSO |
| -6 | 10.3 | 2439449 | 1966-11-19 | 2439331 | 1966-07-24 | 118 | SVO |
| -5 | 10.0 | 2439981 | 1968-05-04 | 2439904 | 1968-02-17 | 77 | AAVSO |
| -4 | 10.6 | 2440524 | 1969-10-29 | 2440476 | 1969-09-11 | 48 | SVO |
| -3 | 10.2 | 2441091 | 1971-05-19 | 2441049 | 1971-04-07 | 42 | AAVSO |
| -2 | 10.4 | 2441595 | 1972-10-04 | 2441621 | 1972-10-30 | -26 | SVO |
| -1 | 10.7 | 2442163 | 1974-04-25 | 2442194 | 1974-05-26 | -31 | SVO |
| 0 | 10.4 | 2442692 | 1975-10-06 | 2442766 | 1975-12-19 | -74 | SVO |
| 1 | 10.7 | 2443244 | 1977-04-10 | 2443339 | 1977-07-14 | -95 | SVO |
| 2 | 10.7 | 2443780 | 1978-09-28 | 2443911 | 1979-02-06 | -131 | SVO |
| 3 | 10.1 | 2444349 | 1980-04-19 | 2444484 | 1980-09-01 | -135 | SVO |
| 4 | 10.4 | 2444888 | 1981-10-10 | 2445056 | 1982-03-27 | -168 | SVO |
| 5 | 10.7 | 2445454 | 1983-04-29 | 2445629 | 1983-10-21 | -175 | SVO |
| 6 | 10.6 | 2446007 | 1984-11-02 | 2446201 | 1985-05-15 | -194 | SVO |
| 7 | 9.9 | 2446580 | 1986-05-29 | 2446774 | 1986-12-09 | -194 | SVO |
| 8 | 11.0 | 2447155 | 1987-12-25 | 2447346 | 1988-07-03 | -191 | SVO |
| 9 | 10.6 | 2447723 | 1989-07-15 | 2447919 | 1990-01-27 | -196 | SVO |
| 10 | 11.0 | 2448299 | 1991-02-11 | 2448491 | 1991-08-22 | -192 | SVO |
| 11 | 10.5 | 2448887 | 1992-09-21 | 2449064 | 1993-03-17 | -177 | SVO |
| 12 | 10.6 | 2449465 | 1994-04-22 | 2449636 | 1994-10-10 | -171 | SVO |
| 13 | 10.7 | 2450049 | 1995-11-27 | 2450208 | 1996-05-04 | -159 | SVO |
| 14 | 10.8 | 2450657 | 1997-07-27 | 2450781 | 1997-11-28 | -124 | SVO |
| 15 | 2451236 | 1999-02-26 | 2451353 | 1999-06-23 | -117 | AAVSO | |
| 16 | 10.8 | 2451843 | 2000-10-25 | 2451926 | 2001-01-16 | -83 | SVO |
| 17 | 2452440 | 2002-06-14 | 2452498 | 2002-08-11 | -58 | AAVSO | |
| 18 | 10.3 | 2453034 | 2004-01-29 | 2453071 | 2004-03-06 | -37 | SVO |
| 19 | 11.2 | 2453667 | 2005-10-23 | 2453643 | 2005-09-29 | 24 | SVO |
| 20 | 11.3 | 2454275 | 2007-06-23 | 2454216 | 2007-04-25 | 59 | SVO |
| 21 | 10.3 | 2454873 | 2009-02-10 | 2454788 | 2008-11-17 | 85 | SVO |
| 22 | 11.5 | 2455478 | 2010-10-08 | 2455361 | 2010-06-13 | 117 | SVO |
| 23 | 10.6 | 2456041 | 2012-04-23 | 2455933 | 2012-01-06 | 108 | SVO |
| 24 | 10.9 | 2456645 | 2013-12-18 | 2456506 | 2013-08-01 | 139 | SVO |
| 25 | 10.8 | 2457261 | 2015-08-26 | 2457078 | 2015-02-24 | 183 | SVO |
| 26 | 10.0 | 2457801 | 2017-02-16 | 2457651 | 2016-09-19 | 150 | SVO |
| 27 | 11.0 | 2458401 | 2018-10-09 | 2458223 | 2018-04-14 | 178 | SVO |
| 28 | 10.9 | 2458963 | 2020-04-23 | 2458796 | 2019-11-08 | 167 | SVO |
| 29 | 10.5 | 2459528 | 2021-11-09 | 2459368 | 2021-06-02 | 160 | SVO |
| 30 | 10.7 | 2460064 | 2023-04-29 | 2459941 | 2022-12-27 | 123 | SVO |
| 31 | 11.0 | 2460621 | 2024-11-06 | 2460513 | 2024-07-21 | 108 | 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. |