| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -57 | 2417098 | 1905-09-09 | 2417084 | 1905-08-26 | 14 | AAVSO | |
| -56 | 2417508 | 1906-10-24 | 2417495 | 1906-10-11 | 13 | AAVSO | |
| -55 | 9.5 | 2417934 | 1907-12-24 | 2417905 | 1907-11-25 | 29 | AAVSO |
| -54 | 2418354 | 1909-02-16 | 2418316 | 1909-01-09 | 38 | AAVSO | |
| -53 | 2418764 | 1910-04-02 | 2418726 | 1910-02-23 | 38 | AAVSO | |
| -48 | 9.0 | 2420812 | 1915-11-10 | 2420778 | 1915-10-07 | 34 | AAVSO |
| -47 | 9.8 | 2421221 | 1916-12-23 | 2421189 | 1916-11-21 | 32 | AAVSO |
| -46 | 2421618 | 1918-01-24 | 2421599 | 1918-01-05 | 19 | AAVSO | |
| -42 | 10.2 | 2423255 | 1922-07-19 | 2423241 | 1922-07-05 | 14 | AAVSO |
| -41 | 10.0 | 2423674 | 1923-09-11 | 2423652 | 1923-08-20 | 22 | SVO |
| -40 | 10.2 | 2424092 | 1924-11-02 | 2424062 | 1924-10-03 | 30 | SVO |
| -39 | 9.9 | 2424477 | 1925-11-22 | 2424472 | 1925-11-17 | 5 | SVO |
| -38 | 10.0 | 2424890 | 1927-01-09 | 2424883 | 1927-01-02 | 7 | SVO |
| -37 | 10.0 | 2425327 | 1928-03-21 | 2425293 | 1928-02-16 | 34 | SVO |
| -36 | 9.7 | 2425722 | 1929-04-20 | 2425704 | 1929-04-02 | 18 | SVO |
| -35 | 9.8 | 2426108 | 1930-05-11 | 2426114 | 1930-05-17 | -6 | SVO |
| -34 | 9.9 | 2426520 | 1931-06-27 | 2426525 | 1931-07-02 | -5 | SVO |
| -33 | 10.1 | 2426935 | 1932-08-15 | 2426935 | 1932-08-15 | 0 | SVO |
| -32 | 10.2 | 2427357 | 1933-10-11 | 2427346 | 1933-09-30 | 11 | SVO |
| -31 | 9.9 | 2427768 | 1934-11-26 | 2427756 | 1934-11-14 | 12 | SVO |
| -30 | 10.4 | 2428175 | 1936-01-07 | 2428167 | 1935-12-30 | 8 | SVO |
| -29 | 10.2 | 2428569 | 1937-02-04 | 2428577 | 1937-02-12 | -8 | SVO |
| -28 | 10.3 | 2428977 | 1938-03-19 | 2428987 | 1938-03-29 | -10 | SVO |
| -27 | 10.4 | 2429392 | 1939-05-08 | 2429398 | 1939-05-14 | -6 | SVO |
| -26 | 10.1 | 2429817 | 1940-07-06 | 2429808 | 1940-06-27 | 9 | SVO |
| -25 | 10.0 | 2430211 | 1941-08-04 | 2430219 | 1941-08-12 | -8 | SVO |
| -24 | 10.2 | 2430631 | 1942-09-28 | 2430629 | 1942-09-26 | 2 | SVO |
| -23 | 10.1 | 2431030 | 1943-11-01 | 2431040 | 1943-11-11 | -10 | SVO |
| -22 | 10.3 | 2431442 | 1944-12-17 | 2431450 | 1944-12-25 | -8 | SVO |
| -21 | 10.2 | 2431858 | 1946-02-06 | 2431861 | 1946-02-09 | -3 | SVO |
| -20 | 10.3 | 2432286 | 1947-04-10 | 2432271 | 1947-03-26 | 15 | AAVSO |
| -19 | 10.1 | 2432697 | 1948-05-25 | 2432681 | 1948-05-09 | 16 | SVO |
| -18 | 10.2 | 2433111 | 1949-07-13 | 2433092 | 1949-06-24 | 19 | SVO |
| -17 | 10.0 | 2433535 | 1950-09-10 | 2433502 | 1950-08-08 | 33 | SVO |
| -16 | 10.0 | 2433943 | 1951-10-23 | 2433913 | 1951-09-23 | 30 | SVO |
| -15 | 10.0 | 2434356 | 1952-12-09 | 2434323 | 1952-11-06 | 33 | SVO |
| -14 | 10.4 | 2434761 | 1954-01-18 | 2434734 | 1953-12-22 | 27 | SVO |
| -13 | 10.5 | 2435163 | 1955-02-24 | 2435144 | 1955-02-05 | 19 | SVO |
| -12 | 10.2 | 2435579 | 1956-04-15 | 2435555 | 1956-03-22 | 24 | SVO |
| -11 | 10.2 | 2435996 | 1957-06-06 | 2435965 | 1957-05-06 | 31 | SVO |
| -10 | 10.2 | 2436396 | 1958-07-11 | 2436376 | 1958-06-21 | 20 | SVO |
| -9 | 9.9 | 2436786 | 1959-08-05 | 2436786 | 1959-08-05 | 0 | SVO |
| -8 | 10.1 | 2437199 | 1960-09-21 | 2437196 | 1960-09-18 | 3 | SVO |
| -7 | 9.9 | 2437594 | 1961-10-21 | 2437607 | 1961-11-03 | -13 | SVO |
| -6 | 10.1 | 2438024 | 1962-12-25 | 2438017 | 1962-12-18 | 7 | SVO |
| -5 | 10.1 | 2438419 | 1964-01-24 | 2438428 | 1964-02-02 | -9 | SVO |
| -4 | 10.1 | 2438853 | 1965-04-02 | 2438838 | 1965-03-18 | 15 | SVO |
| -3 | 9.9 | 2439257 | 1966-05-11 | 2439249 | 1966-05-03 | 8 | SVO |
| -2 | 10.0 | 2439675 | 1967-07-03 | 2439659 | 1967-06-17 | 16 | SVO |
| -1 | 10.2 | 2440095 | 1968-08-26 | 2440070 | 1968-08-01 | 25 | SVO |
| 0 | 9.9 | 2440500 | 1969-10-05 | 2440480 | 1969-09-15 | 20 | SVO |
| 1 | 10.1 | 2440881 | 1970-10-21 | 2440890 | 1970-10-30 | -9 | SVO |
| 2 | 10.1 | 2441283 | 1971-11-27 | 2441301 | 1971-12-15 | -18 | SVO |
| 3 | 10.0 | 2441711 | 1973-01-28 | 2441711 | 1973-01-28 | 0 | SVO |
| 4 | 10.0 | 2442120 | 1974-03-13 | 2442122 | 1974-03-15 | -2 | SVO |
| 5 | 10.1 | 2442536 | 1975-05-03 | 2442532 | 1975-04-29 | 4 | SVO |
| 6 | 10.2 | 2442939 | 1976-06-09 | 2442943 | 1976-06-13 | -4 | AAVSO |
| 7 | 10.0 | 2443337 | 1977-07-12 | 2443353 | 1977-07-28 | -16 | SVO |
| 8 | 10.0 | 2443749 | 1978-08-28 | 2443764 | 1978-09-12 | -15 | SVO |
| 9 | 10.2 | 2444150 | 1979-10-03 | 2444174 | 1979-10-27 | -24 | SVO |
| 10 | 10.1 | 2444562 | 1980-11-18 | 2444585 | 1980-12-11 | -23 | SVO |
| 11 | 10.0 | 2444957 | 1981-12-18 | 2444995 | 1982-01-25 | -38 | SVO |
| 12 | 10.4 | 2445356 | 1983-01-21 | 2445405 | 1983-03-11 | -49 | SVO |
| 13 | 10.2 | 2445769 | 1984-03-09 | 2445816 | 1984-04-25 | -47 | SVO |
| 14 | 10.4 | 2446184 | 1985-04-28 | 2446226 | 1985-06-09 | -42 | SVO |
| 15 | 10.3 | 2446591 | 1986-06-09 | 2446637 | 1986-07-25 | -46 | SVO |
| 16 | 10.3 | 2447002 | 1987-07-25 | 2447047 | 1987-09-08 | -45 | SVO |
| 17 | 10.4 | 2447420 | 1988-09-15 | 2447458 | 1988-10-23 | -38 | SVO |
| 18 | 10.2 | 2447834 | 1989-11-03 | 2447868 | 1989-12-07 | -34 | SVO |
| 19 | 10.5 | 2448230 | 1990-12-04 | 2448279 | 1991-01-22 | -49 | SVO |
| 20 | 10.4 | 2448648 | 1992-01-26 | 2448689 | 1992-03-07 | -41 | SVO |
| 21 | 10.3 | 2449052 | 1993-03-05 | 2449099 | 1993-04-21 | -47 | SVO |
| 22 | 10.4 | 2449457 | 1994-04-14 | 2449510 | 1994-06-06 | -53 | SVO |
| 23 | 10.3 | 2449876 | 1995-06-07 | 2449920 | 1995-07-21 | -44 | SVO |
| 24 | 10.2 | 2450290 | 1996-07-25 | 2450331 | 1996-09-04 | -41 | SVO |
| 25 | 10.3 | 2450700 | 1997-09-08 | 2450741 | 1997-10-19 | -41 | SVO |
| 26 | 10.3 | 2451094 | 1998-10-07 | 2451152 | 1998-12-04 | -58 | SVO |
| 27 | 10.3 | 2451511 | 1999-11-28 | 2451562 | 2000-01-18 | -51 | SVO |
| 28 | 10.4 | 2451918 | 2001-01-08 | 2451973 | 2001-03-04 | -55 | SVO |
| 29 | 10.4 | 2452336 | 2002-03-02 | 2452383 | 2002-04-18 | -47 | SVO |
| 30 | 10.4 | 2452737 | 2003-04-07 | 2452794 | 2003-06-03 | -57 | SVO |
| 31 | 10.4 | 2453147 | 2004-05-21 | 2453204 | 2004-07-17 | -57 | SVO |
| 32 | 10.1 | 2453550 | 2005-06-28 | 2453614 | 2005-08-31 | -64 | SVO |
| 33 | 10.0 | 2453966 | 2006-08-18 | 2454025 | 2006-10-16 | -59 | SVO |
| 34 | 10.4 | 2454386 | 2007-10-12 | 2454435 | 2007-11-30 | -49 | SVO |
| 35 | 9.9 | 2454788 | 2008-11-17 | 2454846 | 2009-01-14 | -58 | SVO |
| 36 | 10.0 | 2455204 | 2010-01-07 | 2455256 | 2010-02-28 | -52 | SVO |
| 37 | 10.0 | 2455601 | 2011-02-08 | 2455667 | 2011-04-15 | -66 | SVO |
| 38 | 10.0 | 2455996 | 2012-03-09 | 2456077 | 2012-05-29 | -81 | SVO |
| 39 | 9.8 | 2456402 | 2013-04-19 | 2456488 | 2013-07-14 | -86 | SVO |
| 40 | 9.9 | 2456839 | 2014-06-30 | 2456898 | 2014-08-28 | -59 | SVO |
| 41 | 10.0 | 2457247 | 2015-08-12 | 2457308 | 2015-10-12 | -61 | SVO |
| 42 | 9.9 | 2457645 | 2016-09-13 | 2457719 | 2016-11-26 | -74 | SVO |
| 43 | 10.0 | 2458054 | 2017-10-27 | 2458129 | 2018-01-10 | -75 | SVO |
| 44 | 9.9 | 2458444 | 2018-11-21 | 2458540 | 2019-02-25 | -96 | SVO |
| 45 | 9.8 | 2458852 | 2020-01-03 | 2458950 | 2020-04-10 | -98 | SVO |
| 46 | 9.7 | 2459260 | 2021-02-14 | 2459361 | 2021-05-26 | -101 | SVO |
| 47 | 9.5 | 2459652 | 2022-03-13 | 2459771 | 2022-07-10 | -119 | 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. |