| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -95 | 2413069 | 1894-08-28 | 2412836 | 1894-01-07 | 233 | AN, 1909, vol 182, p 309 | |
| -90 | 2415140 | 1900-04-30 | 2414976 | 1899-11-17 | 164 | AN, 1909, vol 182, p 309 | |
| -89 | 2415545 | 1901-06-09 | 2415404 | 1901-01-19 | 141 | AN, 1909, vol 182, p 309 | |
| -82 | 2418475 | 1909-06-17 | 2418400 | 1909-04-03 | 75 | AN, 1909, vol 182, p 309 | |
| -72 | 2422800 | 1921-04-20 | 2422680 | 1920-12-21 | 120 | SVO | |
| -70 | 2423630 | 1923-07-29 | 2423536 | 1923-04-26 | 94 | SVO | |
| -67 | 11.2 | 2424902 | 1927-01-21 | 2424820 | 1926-10-31 | 82 | SVO |
| -66 | 2425323 | 1928-03-17 | 2425248 | 1928-01-02 | 75 | LAstr, 1929, vol 43, p 506 | |
| -65 | 11.0 | 2425735 | 1929-05-03 | 2425676 | 1929-03-05 | 59 | SVO |
| -64 | 10.8 | 2426154 | 1930-06-26 | 2426104 | 1930-05-07 | 50 | SVO |
| -63 | 11.2 | 2426574 | 1931-08-20 | 2426532 | 1931-07-09 | 42 | SVO |
| -62 | 11.4 | 2426994 | 1932-10-13 | 2426960 | 1932-09-09 | 34 | AAVSO |
| -61 | 11.0 | 2427406 | 1933-11-29 | 2427388 | 1933-11-11 | 18 | AAVSO |
| -60 | 11.0 | 2427833 | 1935-01-30 | 2427816 | 1935-01-13 | 17 | SVO |
| -59 | 11.5 | 2428236 | 1936-03-08 | 2428244 | 1936-03-16 | -8 | SVO |
| -58 | 11.3 | 2428640 | 1937-04-16 | 2428672 | 1937-05-18 | -32 | SVO |
| -57 | 10.9 | 2429066 | 1938-06-16 | 2429100 | 1938-07-20 | -34 | SVO |
| -56 | 11.2 | 2429482 | 1939-08-06 | 2429528 | 1939-09-21 | -46 | AAVSO |
| -55 | 10.9 | 2429903 | 1940-09-30 | 2429956 | 1940-11-22 | -53 | AAVSO |
| -54 | 10.8 | 2430327 | 1941-11-28 | 2430384 | 1942-01-24 | -57 | AAVSO |
| -53 | 10.6 | 2430734 | 1943-01-09 | 2430812 | 1943-03-28 | -78 | AAVSO |
| -52 | 11.5 | 2431158 | 1944-03-08 | 2431240 | 1944-05-29 | -82 | AAVSO |
| -51 | 11.2 | 2431581 | 1945-05-05 | 2431668 | 1945-07-31 | -87 | SVO |
| -50 | 11.9 | 2431993 | 1946-06-21 | 2432096 | 1946-10-02 | -103 | SVO |
| -49 | 11.0 | 2432409 | 1947-08-11 | 2432524 | 1947-12-04 | -115 | SVO |
| -48 | 11.2 | 2432840 | 1948-10-15 | 2432952 | 1949-02-04 | -112 | SVO |
| -47 | 11.2 | 2433254 | 1949-12-03 | 2433380 | 1950-04-08 | -126 | SVO |
| -46 | 11.3 | 2433683 | 1951-02-05 | 2433808 | 1951-06-10 | -125 | SVO |
| -45 | 12.4 | 2434103 | 1952-03-31 | 2434236 | 1952-08-11 | -133 | AAVSO |
| -44 | 10.9 | 2434521 | 1953-05-23 | 2434664 | 1953-10-13 | -143 | SVO |
| -43 | 11.9 | 2434936 | 1954-07-12 | 2435092 | 1954-12-15 | -156 | SVO |
| -42 | 10.9 | 2435360 | 1955-09-09 | 2435520 | 1956-02-16 | -160 | SVO |
| -41 | 12.4 | 2435773 | 1956-10-26 | 2435948 | 1957-04-19 | -175 | AAVSO |
| -40 | 11.0 | 2436194 | 1957-12-21 | 2436376 | 1958-06-21 | -182 | SVO |
| -39 | 11.3 | 2436625 | 1959-02-25 | 2436804 | 1959-08-23 | -179 | SVO |
| -38 | 12.7 | 2437049 | 1960-04-24 | 2437232 | 1960-10-24 | -183 | AAVSO |
| -37 | 11.4 | 2437455 | 1961-06-04 | 2437660 | 1961-12-26 | -205 | SVO |
| -36 | 11.6 | 2437896 | 1962-08-19 | 2438088 | 1963-02-27 | -192 | SVO |
| -35 | 11.3 | 2438316 | 1963-10-13 | 2438516 | 1964-04-30 | -200 | SVO |
| -34 | 11.6 | 2438739 | 1964-12-09 | 2438944 | 1965-07-02 | -205 | SVO |
| -33 | 11.3 | 2439164 | 1966-02-07 | 2439372 | 1966-09-03 | -208 | SVO |
| -32 | 11.5 | 2439593 | 1967-04-12 | 2439800 | 1967-11-05 | -207 | SVO |
| -31 | 11.0 | 2440008 | 1968-05-31 | 2440228 | 1969-01-06 | -220 | SVO |
| -30 | 2440427 | 1969-07-24 | 2440656 | 1970-03-10 | -229 | AAVSO | |
| -29 | 2440837 | 1970-09-07 | 2441084 | 1971-05-12 | -247 | AAVSO | |
| -28 | 2441262 | 1971-11-06 | 2441512 | 1972-07-13 | -250 | AAVSO | |
| -27 | 10.8 | 2441715 | 1973-02-01 | 2441940 | 1973-09-14 | -225 | AAVSO |
| -26 | 10.9 | 2442162 | 1974-04-24 | 2442368 | 1974-11-16 | -206 | SVO |
| -25 | 11.4 | 2442581 | 1975-06-17 | 2442796 | 1976-01-18 | -215 | SVO |
| -24 | 10.9 | 2443002 | 1976-08-11 | 2443224 | 1977-03-21 | -222 | AAVSO |
| -23 | 12.1 | 2443418 | 1977-10-01 | 2443652 | 1978-05-23 | -234 | AAVSO |
| -22 | 11.2 | 2443836 | 1978-11-23 | 2444080 | 1979-07-25 | -244 | AAVSO |
| -21 | 10.8 | 2444261 | 1980-01-22 | 2444508 | 1980-09-25 | -247 | AAVSO |
| -20 | 11.7 | 2444691 | 1981-03-27 | 2444936 | 1981-11-27 | -245 | SVO |
| -19 | 11.1 | 2445101 | 1982-05-11 | 2445364 | 1983-01-29 | -263 | SVO |
| -18 | 12.4 | 2445515 | 1983-06-29 | 2445792 | 1984-04-01 | -277 | AAVSO |
| -17 | 11.1 | 2445927 | 1984-08-14 | 2446220 | 1985-06-03 | -293 | SVO |
| -16 | 2446339 | 1985-09-30 | 2446648 | 1986-08-05 | -309 | AAVSO | |
| -15 | 11.8 | 2446754 | 1986-11-19 | 2447076 | 1987-10-07 | -322 | AAVSO |
| -14 | 2447183 | 1988-01-22 | 2447504 | 1988-12-08 | -321 | AAVSO | |
| -13 | 11.2 | 2447581 | 1989-02-23 | 2447932 | 1990-02-09 | -351 | SVO |
| -12 | 11.0 | 2447981 | 1990-03-30 | 2448360 | 1991-04-13 | -379 | SVO |
| -11 | 11.2 | 2448411 | 1991-06-03 | 2448788 | 1992-06-14 | -377 | SVO |
| -10 | 12.0 | 2448849 | 1992-08-14 | 2449216 | 1993-08-16 | -367 | SVO |
| -9 | 2449267 | 1993-10-06 | 2449644 | 1994-10-18 | -377 | AAVSO | |
| -8 | 2449676 | 1994-11-19 | 2450072 | 1995-12-20 | -396 | AAVSO | |
| -7 | 2450090 | 1996-01-07 | 2450500 | 1997-02-20 | -410 | AAVSO | |
| -6 | 2450504 | 1997-02-24 | 2450928 | 1998-04-24 | -424 | AAVSO | |
| -5 | 11.6 | 2450935 | 1998-05-01 | 2451356 | 1999-06-26 | -421 | SVO |
| -4 | 11.5 | 2451368 | 1999-07-08 | 2451784 | 2000-08-27 | -416 | SVO |
| -3 | 11.7 | 2451785 | 2000-08-28 | 2452212 | 2001-10-29 | -427 | SVO |
| -2 | 11.1 | 2452220 | 2001-11-06 | 2452640 | 2002-12-31 | -420 | SVO |
| -1 | 11.8 | 2452657 | 2003-01-17 | 2453068 | 2004-03-03 | -411 | SVO |
| 0 | 11.1 | 2453071 | 2004-03-06 | 2453496 | 2005-05-05 | -425 | SVO |
| 1 | 11.1 | 2453501 | 2005-05-10 | 2453924 | 2006-07-07 | -423 | SVO |
| 2 | 11.2 | 2453918 | 2006-07-01 | 2454352 | 2007-09-08 | -434 | SVO |
| 3 | 2454358 | 2007-09-14 | 2454780 | 2008-11-09 | -422 | AAVSO | |
| 4 | 11.3 | 2454776 | 2008-11-05 | 2455208 | 2010-01-11 | -432 | SVO |
| 5 | 2455205 | 2010-01-08 | 2455636 | 2011-03-15 | -431 | AAVSO | |
| 6 | 11.3 | 2455632 | 2011-03-11 | 2456064 | 2012-05-16 | -432 | AAVSO |
| 7 | 11.1 | 2456048 | 2012-04-30 | 2456492 | 2013-07-18 | -444 | AAVSO |
| 8 | 11.8 | 2456478 | 2013-07-04 | 2456920 | 2014-09-19 | -442 | AAVSO |
| 9 | 11.2 | 2456886 | 2014-08-16 | 2457348 | 2015-11-21 | -462 | AAVSO |
| 10 | 2457311 | 2015-10-15 | 2457776 | 2017-01-22 | -465 | AAVSO | |
| 11 | 11.3 | 2457742 | 2016-12-19 | 2458204 | 2018-03-26 | -462 | SVO |
| 12 | 11.2 | 2458163 | 2018-02-13 | 2458632 | 2019-05-28 | -469 | SVO |
| 13 | 11.7 | 2458588 | 2019-04-14 | 2459060 | 2020-07-29 | -472 | SVO |
| 14 | 11.1 | 2458982 | 2020-05-12 | 2459488 | 2021-09-30 | -506 | SVO |
| 15 | 11.4 | 2459404 | 2021-07-08 | 2459916 | 2022-12-02 | -512 | SVO |
| 16 | 11.4 | 2459808 | 2022-08-16 | 2460344 | 2024-02-03 | -536 | 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. |