| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -49 | 2415009 | 1899-12-20 | 2414724 | 1899-03-10 | 285 | AnHar, 1909, vol 55, p 95 | |
| -47 | 2416141 | 1903-01-26 | 2415868 | 1902-04-28 | 273 | AnHar, 1909, vol 55, p 95 | |
| -46 | 2416749 | 1904-09-25 | 2416440 | 1903-11-21 | 309 | AnHar, 1909, vol 55, p 95 | |
| -37 | 2421660 | 1918-03-07 | 2421590 | 1917-12-27 | 70 | SVO | |
| -34 | 10.6 | 2423276 | 1922-08-09 | 2423307 | 1922-09-09 | -31 | SVO |
| -33 | 10.2 | 2423823 | 1924-02-07 | 2423879 | 1924-04-03 | -56 | AAVSO |
| -32 | 10.5 | 2424363 | 1925-07-31 | 2424451 | 1925-10-27 | -88 | SVO |
| -31 | 10.6 | 2424890 | 1927-01-09 | 2425023 | 1927-05-22 | -133 | SVO |
| -30 | 2425446 | 1928-07-18 | 2425595 | 1928-12-14 | -149 | AAVSO | |
| -29 | 10.4 | 2426009 | 1930-02-01 | 2426168 | 1930-07-10 | -159 | SVO |
| -28 | 10.2 | 2426556 | 1931-08-02 | 2426740 | 1932-02-02 | -184 | SVO |
| -27 | 10.8 | 2427130 | 1933-02-26 | 2427312 | 1933-08-27 | -182 | AAVSO |
| -26 | 10.5 | 2427710 | 1934-09-29 | 2427884 | 1935-03-22 | -174 | SVO |
| -25 | 10.1 | 2428279 | 1936-04-20 | 2428456 | 1936-10-14 | -177 | AAVSO |
| -24 | 10.4 | 2428891 | 1937-12-23 | 2429029 | 1938-05-10 | -138 | SVO |
| -23 | 11.0 | 2429516 | 1939-09-09 | 2429601 | 1939-12-03 | -85 | SVO |
| -22 | 10.4 | 2430075 | 1941-03-21 | 2430173 | 1941-06-27 | -98 | AAVSO |
| -21 | 10.1 | 2430686 | 1942-11-22 | 2430745 | 1943-01-20 | -59 | SVO |
| -20 | 2431249 | 1944-06-07 | 2431317 | 1944-08-14 | -68 | AAVSO | |
| -18 | 10.3 | 2432524 | 1947-12-04 | 2432462 | 1947-10-03 | 62 | 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 | 2434178 | 1952-06-14 | 135 | SVO |
| -14 | 10.2 | 2434897 | 1954-06-03 | 2434751 | 1954-01-08 | 146 | AAVSO |
| -13 | 10.2 | 2435462 | 1955-12-20 | 2435323 | 1955-08-03 | 139 | SVO |
| -12 | 10.5 | 2436065 | 1957-08-14 | 2435895 | 1957-02-25 | 170 | SVO |
| -11 | 9.9 | 2436626 | 1959-02-26 | 2436467 | 1958-09-20 | 159 | AAVSO |
| -10 | 11.1 | 2437207 | 1960-09-29 | 2437039 | 1960-04-14 | 168 | SVO |
| -9 | 9.7 | 2437775 | 1962-04-20 | 2437612 | 1961-11-08 | 163 | AAVSO |
| -8 | 10.7 | 2438333 | 1963-10-30 | 2438184 | 1963-06-03 | 149 | AAVSO |
| -7 | 10.3 | 2438899 | 1965-05-18 | 2438756 | 1964-12-26 | 143 | AAVSO |
| -6 | 10.3 | 2439449 | 1966-11-19 | 2439328 | 1966-07-21 | 121 | SVO |
| -5 | 10.0 | 2439981 | 1968-05-04 | 2439900 | 1968-02-13 | 81 | AAVSO |
| -4 | 10.6 | 2440524 | 1969-10-29 | 2440473 | 1969-09-08 | 51 | SVO |
| -3 | 10.2 | 2441091 | 1971-05-19 | 2441045 | 1971-04-03 | 46 | AAVSO |
| -2 | 10.4 | 2441595 | 1972-10-04 | 2441617 | 1972-10-26 | -22 | SVO |
| -1 | 10.7 | 2442163 | 1974-04-25 | 2442189 | 1974-05-21 | -26 | SVO |
| 0 | 10.4 | 2442692 | 1975-10-06 | 2442761 | 1975-12-14 | -69 | SVO |
| 1 | 10.7 | 2443244 | 1977-04-10 | 2443334 | 1977-07-09 | -90 | SVO |
| 2 | 10.7 | 2443780 | 1978-09-28 | 2443906 | 1979-02-01 | -126 | SVO |
| 3 | 10.1 | 2444349 | 1980-04-19 | 2444478 | 1980-08-26 | -129 | SVO |
| 4 | 10.4 | 2444888 | 1981-10-10 | 2445050 | 1982-03-21 | -162 | SVO |
| 5 | 10.7 | 2445454 | 1983-04-29 | 2445622 | 1983-10-14 | -168 | SVO |
| 6 | 10.6 | 2446007 | 1984-11-02 | 2446195 | 1985-05-09 | -188 | SVO |
| 7 | 9.9 | 2446580 | 1986-05-29 | 2446767 | 1986-12-02 | -187 | SVO |
| 8 | 11.0 | 2447155 | 1987-12-25 | 2447339 | 1988-06-26 | -184 | SVO |
| 9 | 10.6 | 2447723 | 1989-07-15 | 2447911 | 1990-01-19 | -188 | SVO |
| 10 | 11.0 | 2448299 | 1991-02-11 | 2448483 | 1991-08-14 | -184 | SVO |
| 11 | 10.5 | 2448887 | 1992-09-21 | 2449056 | 1993-03-09 | -169 | SVO |
| 12 | 10.6 | 2449465 | 1994-04-22 | 2449628 | 1994-10-02 | -163 | SVO |
| 13 | 10.7 | 2450049 | 1995-11-27 | 2450200 | 1996-04-26 | -151 | SVO |
| 14 | 10.8 | 2450657 | 1997-07-27 | 2450772 | 1997-11-19 | -115 | SVO |
| 15 | 2451236 | 1999-02-26 | 2451344 | 1999-06-14 | -108 | AAVSO | |
| 16 | 10.8 | 2451843 | 2000-10-25 | 2451917 | 2001-01-07 | -74 | SVO |
| 17 | 2452440 | 2002-06-14 | 2452489 | 2002-08-02 | -49 | AAVSO | |
| 18 | 10.3 | 2453034 | 2004-01-29 | 2453061 | 2004-02-25 | -27 | SVO |
| 19 | 11.2 | 2453667 | 2005-10-23 | 2453633 | 2005-09-19 | 34 | SVO |
| 20 | 11.3 | 2454275 | 2007-06-23 | 2454205 | 2007-04-14 | 70 | SVO |
| 21 | 10.3 | 2454873 | 2009-02-10 | 2454778 | 2008-11-07 | 95 | SVO |
| 22 | 11.5 | 2455478 | 2010-10-08 | 2455350 | 2010-06-02 | 128 | SVO |
| 23 | 10.6 | 2456041 | 2012-04-23 | 2455922 | 2011-12-26 | 119 | SVO |
| 24 | 10.9 | 2456645 | 2013-12-18 | 2456494 | 2013-07-20 | 151 | SVO |
| 25 | 10.8 | 2457261 | 2015-08-26 | 2457066 | 2015-02-12 | 195 | SVO |
| 26 | 10.0 | 2457801 | 2017-02-16 | 2457639 | 2016-09-07 | 162 | SVO |
| 27 | 11.0 | 2458401 | 2018-10-09 | 2458211 | 2018-04-02 | 190 | SVO |
| 28 | 10.9 | 2458963 | 2020-04-23 | 2458783 | 2019-10-26 | 180 | SVO |
| 29 | 10.5 | 2459528 | 2021-11-09 | 2459355 | 2021-05-20 | 173 | 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. |