| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -64 | 2417066 | 1905-08-08 | 2417056 | 1905-07-29 | 10 | AnHar, 1909, vol 55, p 95 | |
| -63 | 2417471 | 1906-09-17 | 2417446 | 1906-08-23 | 25 | AnHar, 1909, vol 55, p 95 | |
| -62 | 10.5 | 2417883 | 1907-11-03 | 2417836 | 1907-09-17 | 47 | AAVSO |
| -61 | 9.0 | 2418237 | 1908-10-22 | 2418226 | 1908-10-11 | 11 | AAVSO |
| -60 | 9.0 | 2418647 | 1909-12-06 | 2418617 | 1909-11-06 | 30 | AAVSO |
| -59 | 2419046 | 1911-01-09 | 2419007 | 1910-12-01 | 39 | AAVSO | |
| -58 | 2419412 | 1912-01-10 | 2419397 | 1911-12-26 | 15 | GuL, 1920, 1.2 | |
| -57 | 2419806 | 1913-02-07 | 2419787 | 1913-01-19 | 19 | GuL, 1920, 1.2 | |
| -56 | 2420190 | 1914-02-26 | 2420177 | 1914-02-13 | 13 | GuL, 1920, 1.2 | |
| -55 | 2420553 | 1915-02-24 | 2420567 | 1915-03-10 | -14 | AN, 1917, vol 205, p 253 | |
| -54 | 2420981 | 1916-04-27 | 2420957 | 1916-04-03 | 24 | AAVSO | |
| -53 | 2421372 | 1917-05-23 | 2421347 | 1917-04-28 | 25 | AAVSO | |
| -52 | 2421773 | 1918-06-28 | 2421738 | 1918-05-24 | 35 | AAVSO | |
| -51 | 2422184 | 1919-08-13 | 2422128 | 1919-06-18 | 56 | AAVSO | |
| -50 | 2422571 | 1920-09-03 | 2422518 | 1920-07-12 | 53 | AAVSO | |
| -48 | 2423287 | 1922-08-20 | 2423298 | 1922-08-31 | -11 | AAVSO | |
| -47 | 9.8 | 2423677 | 1923-09-14 | 2423688 | 1923-09-25 | -11 | AAVSO |
| -46 | 11.0 | 2424101 | 1924-11-11 | 2424078 | 1924-10-19 | 23 | AAVSO |
| -45 | 10.5 | 2424490 | 1925-12-05 | 2424469 | 1925-11-14 | 21 | AAVSO |
| -44 | 9.0 | 2424854 | 1926-12-04 | 2424859 | 1926-12-09 | -5 | AAVSO |
| -43 | 11.2 | 2425256 | 1928-01-10 | 2425249 | 1928-01-03 | 7 | AAVSO |
| -42 | 9.6 | 2425646 | 1929-02-03 | 2425639 | 1929-01-27 | 7 | AAVSO |
| -41 | 10.4 | 2426024 | 1930-02-16 | 2426029 | 1930-02-21 | -5 | SVO |
| -40 | 9.9 | 2426406 | 1931-03-05 | 2426419 | 1931-03-18 | -13 | SVO |
| -39 | 10.5 | 2426799 | 1932-04-01 | 2426809 | 1932-04-11 | -10 | SVO |
| -38 | 9.9 | 2427177 | 1933-04-14 | 2427199 | 1933-05-06 | -22 | SVO |
| -37 | 2427584 | 1934-05-26 | 2427590 | 1934-06-01 | -6 | AAVSO | |
| -36 | 10.1 | 2427975 | 1935-06-21 | 2427980 | 1935-06-26 | -5 | AAVSO |
| -35 | 9.1 | 2428360 | 1936-07-10 | 2428370 | 1936-07-20 | -10 | AAVSO |
| -34 | 10.2 | 2428729 | 1937-07-14 | 2428760 | 1937-08-14 | -31 | SVO |
| -33 | 10.1 | 2429114 | 1938-08-03 | 2429150 | 1938-09-08 | -36 | SVO |
| -32 | 9.1 | 2429528 | 1939-09-21 | 2429540 | 1939-10-03 | -12 | AAVSO |
| -31 | 10.9 | 2429907 | 1940-10-04 | 2429930 | 1940-10-27 | -23 | SVO |
| -30 | 10.9 | 2430286 | 1941-10-18 | 2430321 | 1941-11-22 | -35 | AAVSO |
| -29 | 10.2 | 2430680 | 1942-11-16 | 2430711 | 1942-12-17 | -31 | SVO |
| -28 | 10.6 | 2431056 | 1943-11-27 | 2431101 | 1944-01-11 | -45 | SVO |
| -27 | 9.8 | 2431456 | 1944-12-31 | 2431491 | 1945-02-04 | -35 | AAVSO |
| -26 | 10.0 | 2431845 | 1946-01-24 | 2431881 | 1946-03-01 | -36 | AAVSO |
| -25 | 2432250 | 1947-03-05 | 2432271 | 1947-03-26 | -21 | AAVSO | |
| -24 | 2432642 | 1948-03-31 | 2432661 | 1948-04-19 | -19 | AAVSO | |
| -23 | 10.6 | 2433035 | 1949-04-28 | 2433052 | 1949-05-15 | -17 | AAVSO |
| -22 | 9.7 | 2433405 | 1950-05-03 | 2433442 | 1950-06-09 | -37 | AAVSO |
| -21 | 2433776 | 1951-05-09 | 2433832 | 1951-07-04 | -56 | AAVSO | |
| -20 | 9.4 | 2434196 | 1952-07-02 | 2434222 | 1952-07-28 | -26 | AAVSO |
| -19 | 11.0 | 2434585 | 1953-07-26 | 2434612 | 1953-08-22 | -27 | AAVSO |
| -18 | 10.3 | 2435005 | 1954-09-19 | 2435002 | 1954-09-16 | 3 | SVO |
| -17 | 10.0 | 2435373 | 1955-09-22 | 2435392 | 1955-10-11 | -19 | SVO |
| -16 | 11.0 | 2435777 | 1956-10-30 | 2435782 | 1956-11-04 | -5 | SVO |
| -15 | 10.1 | 2436172 | 1957-11-29 | 2436173 | 1957-11-30 | -1 | SVO |
| -14 | 11.6 | 2436552 | 1958-12-14 | 2436563 | 1958-12-25 | -11 | AAVSO |
| -13 | 11.1 | 2436947 | 1960-01-13 | 2436953 | 1960-01-19 | -6 | AAVSO |
| -12 | 2437349 | 1961-02-18 | 2437343 | 1961-02-12 | 6 | AAVSO | |
| -11 | 2437726 | 1962-03-02 | 2437733 | 1962-03-09 | -7 | AAVSO | |
| -10 | 2438114 | 1963-03-25 | 2438123 | 1963-04-03 | -9 | AAVSO | |
| -9 | 2438506 | 1964-04-20 | 2438513 | 1964-04-27 | -7 | AAVSO | |
| -8 | 11.7 | 2438901 | 1965-05-20 | 2438904 | 1965-05-23 | -3 | AAVSO |
| -7 | 10.6 | 2439296 | 1966-06-19 | 2439294 | 1966-06-17 | 2 | AAVSO |
| -6 | 11.1 | 2439677 | 1967-07-05 | 2439684 | 1967-07-12 | -7 | AAVSO |
| -5 | 10.5 | 2440066 | 1968-07-28 | 2440074 | 1968-08-05 | -8 | SVO |
| -4 | 11.4 | 2440461 | 1969-08-27 | 2440464 | 1969-08-30 | -3 | AAVSO |
| -3 | 10.2 | 2440867 | 1970-10-07 | 2440854 | 1970-09-24 | 13 | SVO |
| -2 | 12.8 | 2441263 | 1971-11-07 | 2441244 | 1971-10-19 | 19 | AAVSO |
| -1 | 12.1 | 2441662 | 1972-12-10 | 2441634 | 1972-11-12 | 28 | AAVSO |
| 0 | 11.0 | 2442049 | 1974-01-01 | 2442025 | 1973-12-08 | 24 | AAVSO |
| 1 | 12.5 | 2442434 | 1975-01-21 | 2442415 | 1975-01-02 | 19 | AAVSO |
| 2 | 11.3 | 2442833 | 1976-02-24 | 2442805 | 1976-01-27 | 28 | AAVSO |
| 3 | 11.0 | 2443194 | 1977-02-19 | 2443195 | 1977-02-20 | -1 | SVO |
| 4 | 11.1 | 2443564 | 1978-02-24 | 2443585 | 1978-03-17 | -21 | SVO |
| 5 | 10.6 | 2443942 | 1979-03-09 | 2443975 | 1979-04-11 | -33 | SVO |
| 6 | 12.2 | 2444349 | 1980-04-19 | 2444365 | 1980-05-05 | -16 | AAVSO |
| 7 | 10.2 | 2444740 | 1981-05-15 | 2444756 | 1981-05-31 | -16 | AAVSO |
| 8 | 11.7 | 2445137 | 1982-06-16 | 2445146 | 1982-06-25 | -9 | AAVSO |
| 9 | 12.5 | 2445534 | 1983-07-18 | 2445536 | 1983-07-20 | -2 | AAVSO |
| 10 | 10.2 | 2445922 | 1984-08-09 | 2445926 | 1984-08-13 | -4 | SVO |
| 11 | 11.2 | 2446320 | 1985-09-11 | 2446316 | 1985-09-07 | 4 | SVO |
| 12 | 10.8 | 2446708 | 1986-10-04 | 2446706 | 1986-10-02 | 2 | SVO |
| 13 | 11.5 | 2447096 | 1987-10-27 | 2447096 | 1987-10-27 | 0 | SVO |
| 14 | 10.3 | 2447493 | 1988-11-27 | 2447486 | 1988-11-20 | 7 | SVO |
| 15 | 11.6 | 2447874 | 1989-12-13 | 2447877 | 1989-12-16 | -3 | SVO |
| 16 | 10.5 | 2448262 | 1991-01-05 | 2448267 | 1991-01-10 | -5 | SVO |
| 17 | 10.0 | 2448641 | 1992-01-19 | 2448657 | 1992-02-04 | -16 | SVO |
| 18 | 10.7 | 2449040 | 1993-02-21 | 2449047 | 1993-02-28 | -7 | SVO |
| 19 | 10.5 | 2449429 | 1994-03-17 | 2449437 | 1994-03-25 | -8 | SVO |
| 20 | 10.8 | 2449827 | 1995-04-19 | 2449827 | 1995-04-19 | 0 | SVO |
| 21 | 10.4 | 2450207 | 1996-05-03 | 2450217 | 1996-05-13 | -10 | SVO |
| 22 | 10.3 | 2450589 | 1997-05-20 | 2450608 | 1997-06-08 | -19 | SVO |
| 23 | 10.5 | 2450997 | 1998-07-02 | 2450998 | 1998-07-03 | -1 | SVO |
| 24 | 10.9 | 2451400 | 1999-08-09 | 2451388 | 1999-07-28 | 12 | SVO |
| 25 | 10.2 | 2451783 | 2000-08-26 | 2451778 | 2000-08-21 | 5 | SVO |
| 26 | 9.0 | 2452153 | 2001-08-31 | 2452168 | 2001-09-15 | -15 | SVO |
| 27 | 10.9 | 2452562 | 2002-10-14 | 2452558 | 2002-10-10 | 4 | SVO |
| 28 | 10.1 | 2452944 | 2003-10-31 | 2452948 | 2003-11-04 | -4 | SVO |
| 29 | 9.6 | 2453342 | 2004-12-02 | 2453339 | 2004-11-29 | 3 | SVO |
| 30 | 11.3 | 2453733 | 2005-12-28 | 2453729 | 2005-12-24 | 4 | SVO |
| 31 | 10.6 | 2454143 | 2007-02-11 | 2454119 | 2007-01-18 | 24 | SVO |
| 32 | 9.8 | 2454520 | 2008-02-23 | 2454509 | 2008-02-12 | 11 | SVO |
| 33 | 10.7 | 2454933 | 2009-04-11 | 2454899 | 2009-03-08 | 34 | SVO |
| 34 | 10.9 | 2455324 | 2010-05-07 | 2455289 | 2010-04-02 | 35 | SVO |
| 35 | 10.2 | 2455704 | 2011-05-22 | 2455679 | 2011-04-27 | 25 | SVO |
| 36 | 9.8 | 2456082 | 2012-06-03 | 2456069 | 2012-05-21 | 13 | SVO |
| 37 | 10.0 | 2456474 | 2013-06-30 | 2456460 | 2013-06-16 | 14 | SVO |
| 38 | 9.6 | 2456864 | 2014-07-25 | 2456850 | 2014-07-11 | 14 | SVO |
| 39 | 10.7 | 2457262 | 2015-08-27 | 2457240 | 2015-08-05 | 22 | SVO |
| 40 | 9.8 | 2457655 | 2016-09-23 | 2457630 | 2016-08-29 | 25 | SVO |
| 41 | 9.9 | 2458026 | 2017-09-29 | 2458020 | 2017-09-23 | 6 | SVO |
| 42 | 10.1 | 2458423 | 2018-10-31 | 2458410 | 2018-10-18 | 13 | SVO |
| 43 | 9.8 | 2458801 | 2019-11-13 | 2458800 | 2019-11-12 | 1 | SVO |
| 44 | 10.7 | 2459191 | 2020-12-07 | 2459191 | 2020-12-07 | 0 | SVO |
| 45 | 10.3 | 2459576 | 2021-12-27 | 2459581 | 2022-01-01 | -5 | 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. |