| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -77 | 2412025 | 1891-10-19 | 2411990 | 1891-09-14 | 35 | SVO | |
| -74 | 2413175 | 1894-12-12 | 2413160 | 1894-11-27 | 15 | SVO | |
| -68 | 2415545 | 1901-06-09 | 2415500 | 1901-04-25 | 45 | SVO | |
| -67 | 2415930 | 1902-06-29 | 2415890 | 1902-05-20 | 40 | SVO | |
| -66 | 2416310 | 1903-07-14 | 2416280 | 1903-06-14 | 30 | SVO | |
| -65 | 2416691 | 1904-07-29 | 2416670 | 1904-07-08 | 21 | SVO | |
| -64 | 2417066 | 1905-08-08 | 2417060 | 1905-08-02 | 6 | AnHar, 1909, vol 55, p 95 | |
| -63 | 2417471 | 1906-09-17 | 2417451 | 1906-08-28 | 20 | AnHar, 1909, vol 55, p 95 | |
| -62 | 10.5 | 2417883 | 1907-11-03 | 2417841 | 1907-09-22 | 42 | AAVSO |
| -61 | 9.0 | 2418237 | 1908-10-22 | 2418231 | 1908-10-16 | 6 | AAVSO |
| -60 | 2418632 | 1909-11-21 | 2418621 | 1909-11-10 | 11 | SVO | |
| -59 | 2419046 | 1911-01-09 | 2419011 | 1910-12-05 | 35 | AAVSO | |
| -58 | 2419412 | 1912-01-10 | 2419401 | 1911-12-30 | 11 | GuL, 1920, 1.2 | |
| -57 | 2419806 | 1913-02-07 | 2419791 | 1913-01-23 | 15 | GuL, 1920, 1.2 | |
| -56 | 2420190 | 1914-02-26 | 2420181 | 1914-02-17 | 9 | GuL, 1920, 1.2 | |
| -55 | 2420553 | 1915-02-24 | 2420571 | 1915-03-14 | -18 | AN, 1917, vol 205, p 253 | |
| -54 | 2420981 | 1916-04-27 | 2420961 | 1916-04-07 | 20 | AAVSO | |
| -53 | 2421372 | 1917-05-23 | 2421351 | 1917-05-02 | 21 | AAVSO | |
| -52 | 2421773 | 1918-06-28 | 2421741 | 1918-05-27 | 32 | AAVSO | |
| -51 | 2422150 | 1919-07-10 | 2422131 | 1919-06-21 | 19 | SVO | |
| -50 | 2422530 | 1920-07-24 | 2422521 | 1920-07-15 | 9 | SVO | |
| -49 | 2422910 | 1921-08-08 | 2422911 | 1921-08-09 | -1 | SVO | |
| -48 | 2423287 | 1922-08-20 | 2423302 | 1922-09-04 | -15 | AAVSO | |
| -47 | 9.8 | 2423677 | 1923-09-14 | 2423692 | 1923-09-29 | -15 | AAVSO |
| -46 | 11.0 | 2424101 | 1924-11-11 | 2424082 | 1924-10-23 | 19 | AAVSO |
| -45 | 10.5 | 2424490 | 1925-12-05 | 2424472 | 1925-11-17 | 18 | AAVSO |
| -44 | 9.0 | 2424854 | 1926-12-04 | 2424862 | 1926-12-12 | -8 | AAVSO |
| -43 | 11.2 | 2425256 | 1928-01-10 | 2425252 | 1928-01-06 | 4 | AAVSO |
| -42 | 9.6 | 2425646 | 1929-02-03 | 2425642 | 1929-01-30 | 4 | AAVSO |
| -41 | 10.4 | 2426024 | 1930-02-16 | 2426032 | 1930-02-24 | -8 | SVO |
| -40 | 9.9 | 2426406 | 1931-03-05 | 2426422 | 1931-03-21 | -16 | SVO |
| -39 | 10.5 | 2426799 | 1932-04-01 | 2426812 | 1932-04-14 | -13 | SVO |
| -38 | 9.9 | 2427177 | 1933-04-14 | 2427202 | 1933-05-09 | -25 | SVO |
| -37 | 2427584 | 1934-05-26 | 2427592 | 1934-06-03 | -8 | AAVSO | |
| -36 | 10.1 | 2427975 | 1935-06-21 | 2427982 | 1935-06-28 | -7 | AAVSO |
| -35 | 9.1 | 2428360 | 1936-07-10 | 2428372 | 1936-07-22 | -12 | AAVSO |
| -34 | 10.2 | 2428729 | 1937-07-14 | 2428763 | 1937-08-17 | -34 | SVO |
| -33 | 10.1 | 2429114 | 1938-08-03 | 2429153 | 1938-09-11 | -39 | SVO |
| -32 | 9.1 | 2429528 | 1939-09-21 | 2429543 | 1939-10-06 | -15 | AAVSO |
| -31 | 10.9 | 2429907 | 1940-10-04 | 2429933 | 1940-10-30 | -26 | SVO |
| -30 | 10.9 | 2430286 | 1941-10-18 | 2430323 | 1941-11-24 | -37 | AAVSO |
| -29 | 10.2 | 2430680 | 1942-11-16 | 2430713 | 1942-12-19 | -33 | SVO |
| -28 | 10.6 | 2431056 | 1943-11-27 | 2431103 | 1944-01-13 | -47 | SVO |
| -27 | 9.8 | 2431456 | 1944-12-31 | 2431493 | 1945-02-06 | -37 | AAVSO |
| -26 | 10.0 | 2431845 | 1946-01-24 | 2431883 | 1946-03-03 | -38 | AAVSO |
| -25 | 2432250 | 1947-03-05 | 2432273 | 1947-03-28 | -23 | AAVSO | |
| -24 | 2432642 | 1948-03-31 | 2432663 | 1948-04-21 | -21 | AAVSO | |
| -23 | 10.6 | 2433035 | 1949-04-28 | 2433053 | 1949-05-16 | -18 | AAVSO |
| -22 | 9.7 | 2433405 | 1950-05-03 | 2433443 | 1950-06-10 | -38 | AAVSO |
| -21 | 2433776 | 1951-05-09 | 2433833 | 1951-07-05 | -57 | AAVSO | |
| -20 | 9.4 | 2434196 | 1952-07-02 | 2434223 | 1952-07-29 | -27 | AAVSO |
| -19 | 11.0 | 2434585 | 1953-07-26 | 2434614 | 1953-08-24 | -29 | AAVSO |
| -18 | 10.3 | 2435005 | 1954-09-19 | 2435004 | 1954-09-18 | 1 | SVO |
| -17 | 10.0 | 2435373 | 1955-09-22 | 2435394 | 1955-10-13 | -21 | SVO |
| -16 | 11.0 | 2435777 | 1956-10-30 | 2435784 | 1956-11-06 | -7 | SVO |
| -15 | 10.1 | 2436172 | 1957-11-29 | 2436174 | 1957-12-01 | -2 | SVO |
| -14 | 11.6 | 2436552 | 1958-12-14 | 2436564 | 1958-12-26 | -12 | AAVSO |
| -13 | 11.1 | 2436947 | 1960-01-13 | 2436954 | 1960-01-20 | -7 | AAVSO |
| -12 | 2437349 | 1961-02-18 | 2437344 | 1961-02-13 | 5 | AAVSO | |
| -11 | 2437726 | 1962-03-02 | 2437734 | 1962-03-10 | -8 | AAVSO | |
| -10 | 2438114 | 1963-03-25 | 2438124 | 1963-04-04 | -10 | AAVSO | |
| -9 | 2438506 | 1964-04-20 | 2438514 | 1964-04-28 | -8 | 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 | 2440075 | 1968-08-06 | -9 | SVO |
| -4 | 11.4 | 2440461 | 1969-08-27 | 2440465 | 1969-08-31 | -4 | AAVSO |
| -3 | 10.2 | 2440867 | 1970-10-07 | 2440855 | 1970-09-25 | 12 | SVO |
| -2 | 12.8 | 2441263 | 1971-11-07 | 2441245 | 1971-10-20 | 18 | AAVSO |
| -1 | 12.1 | 2441662 | 1972-12-10 | 2441635 | 1972-11-13 | 27 | 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 | 2444755 | 1981-05-30 | -15 | AAVSO |
| 8 | 11.7 | 2445137 | 1982-06-16 | 2445145 | 1982-06-24 | -8 | AAVSO |
| 9 | 12.5 | 2445534 | 1983-07-18 | 2445535 | 1983-07-19 | -1 | 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 | 2447876 | 1989-12-15 | -2 | SVO |
| 16 | 10.5 | 2448262 | 1991-01-05 | 2448266 | 1991-01-09 | -4 | SVO |
| 17 | 10.0 | 2448641 | 1992-01-19 | 2448656 | 1992-02-03 | -15 | SVO |
| 18 | 10.7 | 2449040 | 1993-02-21 | 2449046 | 1993-02-27 | -6 | SVO |
| 19 | 10.5 | 2449429 | 1994-03-17 | 2449436 | 1994-03-24 | -7 | SVO |
| 20 | 10.8 | 2449827 | 1995-04-19 | 2449826 | 1995-04-18 | 1 | SVO |
| 21 | 10.4 | 2450207 | 1996-05-03 | 2450216 | 1996-05-12 | -9 | SVO |
| 22 | 10.3 | 2450589 | 1997-05-20 | 2450606 | 1997-06-06 | -17 | SVO |
| 23 | 10.5 | 2450997 | 1998-07-02 | 2450996 | 1998-07-01 | 1 | SVO |
| 24 | 10.9 | 2451400 | 1999-08-09 | 2451387 | 1999-07-27 | 13 | SVO |
| 25 | 10.2 | 2451783 | 2000-08-26 | 2451777 | 2000-08-20 | 6 | SVO |
| 26 | 9.0 | 2452153 | 2001-08-31 | 2452167 | 2001-09-14 | -14 | SVO |
| 27 | 10.9 | 2452562 | 2002-10-14 | 2452557 | 2002-10-09 | 5 | SVO |
| 28 | 10.1 | 2452944 | 2003-10-31 | 2452947 | 2003-11-03 | -3 | SVO |
| 29 | 9.6 | 2453342 | 2004-12-02 | 2453337 | 2004-11-27 | 5 | SVO |
| 30 | 11.3 | 2453733 | 2005-12-28 | 2453727 | 2005-12-22 | 6 | SVO |
| 31 | 10.6 | 2454143 | 2007-02-11 | 2454117 | 2007-01-16 | 26 | SVO |
| 32 | 9.8 | 2454520 | 2008-02-23 | 2454507 | 2008-02-10 | 13 | SVO |
| 33 | 10.7 | 2454933 | 2009-04-11 | 2454897 | 2009-03-06 | 36 | SVO |
| 34 | 10.9 | 2455324 | 2010-05-07 | 2455287 | 2010-03-31 | 37 | SVO |
| 35 | 10.2 | 2455704 | 2011-05-22 | 2455677 | 2011-04-25 | 27 | SVO |
| 36 | 9.8 | 2456082 | 2012-06-03 | 2456067 | 2012-05-19 | 15 | SVO |
| 37 | 10.0 | 2456474 | 2013-06-30 | 2456457 | 2013-06-13 | 17 | SVO |
| 38 | 9.6 | 2456864 | 2014-07-25 | 2456847 | 2014-07-08 | 17 | SVO |
| 39 | 10.7 | 2457262 | 2015-08-27 | 2457238 | 2015-08-03 | 24 | SVO |
| 40 | 9.8 | 2457655 | 2016-09-23 | 2457628 | 2016-08-27 | 27 | SVO |
| 41 | 9.9 | 2458026 | 2017-09-29 | 2458018 | 2017-09-21 | 8 | SVO |
| 42 | 10.1 | 2458423 | 2018-10-31 | 2458408 | 2018-10-16 | 15 | SVO |
| 43 | 9.8 | 2458801 | 2019-11-13 | 2458798 | 2019-11-10 | 3 | SVO |
| 44 | 10.7 | 2459191 | 2020-12-07 | 2459188 | 2020-12-04 | 3 | SVO |
| 45 | 10.3 | 2459576 | 2021-12-27 | 2459578 | 2021-12-29 | -2 | 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. |