| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -106 | 2412025 | 1891-10-19 | 2411967 | 1891-08-22 | 58 | SVO | |
| -103 | 2413175 | 1894-12-12 | 2413138 | 1894-11-05 | 37 | SVO | |
| -97 | 2415545 | 1901-06-09 | 2415480 | 1901-04-05 | 65 | SVO | |
| -96 | 2415930 | 1902-06-29 | 2415870 | 1902-04-30 | 60 | SVO | |
| -95 | 2416310 | 1903-07-14 | 2416261 | 1903-05-26 | 49 | SVO | |
| -94 | 2416691 | 1904-07-29 | 2416651 | 1904-06-19 | 40 | SVO | |
| -93 | 2417066 | 1905-08-08 | 2417041 | 1905-07-14 | 25 | AnHar, 1909, vol 55, p 95 | |
| -92 | 2417471 | 1906-09-17 | 2417431 | 1906-08-08 | 40 | AnHar, 1909, vol 55, p 95 | |
| -91 | 10.5 | 2417883 | 1907-11-03 | 2417822 | 1907-09-03 | 61 | AAVSO |
| -90 | 9.0 | 2418237 | 1908-10-22 | 2418212 | 1908-09-27 | 25 | AAVSO |
| -89 | 2418632 | 1909-11-21 | 2418602 | 1909-10-22 | 30 | SVO | |
| -88 | 2419046 | 1911-01-09 | 2418993 | 1910-11-17 | 53 | AAVSO | |
| -87 | 2419412 | 1912-01-10 | 2419383 | 1911-12-12 | 29 | GuL, 1920, 1.2 | |
| -86 | 2419806 | 1913-02-07 | 2419773 | 1913-01-05 | 33 | GuL, 1920, 1.2 | |
| -85 | 2420190 | 1914-02-26 | 2420164 | 1914-01-31 | 26 | GuL, 1920, 1.2 | |
| -84 | 2420553 | 1915-02-24 | 2420554 | 1915-02-25 | -1 | AN, 1917, vol 205, p 253 | |
| -83 | 2420981 | 1916-04-27 | 2420944 | 1916-03-21 | 37 | AAVSO | |
| -82 | 2421372 | 1917-05-23 | 2421334 | 1917-04-15 | 38 | AAVSO | |
| -81 | 2421773 | 1918-06-28 | 2421725 | 1918-05-11 | 48 | AAVSO | |
| -80 | 2422150 | 1919-07-10 | 2422115 | 1919-06-05 | 35 | SVO | |
| -79 | 2422530 | 1920-07-24 | 2422505 | 1920-06-29 | 25 | SVO | |
| -78 | 2422910 | 1921-08-08 | 2422896 | 1921-07-25 | 14 | SVO | |
| -77 | 2423287 | 1922-08-20 | 2423286 | 1922-08-19 | 1 | AAVSO | |
| -76 | 9.8 | 2423677 | 1923-09-14 | 2423676 | 1923-09-13 | 1 | AAVSO |
| -75 | 11.0 | 2424101 | 1924-11-11 | 2424067 | 1924-10-08 | 34 | AAVSO |
| -74 | 10.5 | 2424490 | 1925-12-05 | 2424457 | 1925-11-02 | 33 | AAVSO |
| -73 | 9.0 | 2424854 | 1926-12-04 | 2424847 | 1926-11-27 | 7 | AAVSO |
| -72 | 11.2 | 2425256 | 1928-01-10 | 2425237 | 1927-12-22 | 19 | AAVSO |
| -71 | 9.6 | 2425646 | 1929-02-03 | 2425628 | 1929-01-16 | 18 | AAVSO |
| -70 | 10.4 | 2426024 | 1930-02-16 | 2426018 | 1930-02-10 | 6 | SVO |
| -69 | 9.9 | 2426406 | 1931-03-05 | 2426408 | 1931-03-07 | -2 | SVO |
| -68 | 10.5 | 2426799 | 1932-04-01 | 2426799 | 1932-04-01 | 0 | SVO |
| -67 | 9.9 | 2427177 | 1933-04-14 | 2427189 | 1933-04-26 | -12 | SVO |
| -66 | 2427584 | 1934-05-26 | 2427579 | 1934-05-21 | 5 | AAVSO | |
| -65 | 10.1 | 2427975 | 1935-06-21 | 2427970 | 1935-06-16 | 5 | AAVSO |
| -64 | 9.1 | 2428360 | 1936-07-10 | 2428360 | 1936-07-10 | 0 | AAVSO |
| -63 | 10.2 | 2428729 | 1937-07-14 | 2428750 | 1937-08-04 | -21 | SVO |
| -62 | 10.1 | 2429114 | 1938-08-03 | 2429140 | 1938-08-29 | -26 | SVO |
| -61 | 9.1 | 2429528 | 1939-09-21 | 2429531 | 1939-09-24 | -3 | AAVSO |
| -60 | 10.9 | 2429907 | 1940-10-04 | 2429921 | 1940-10-18 | -14 | SVO |
| -59 | 10.9 | 2430286 | 1941-10-18 | 2430311 | 1941-11-12 | -25 | AAVSO |
| -58 | 10.2 | 2430680 | 1942-11-16 | 2430702 | 1942-12-08 | -22 | SVO |
| -57 | 10.6 | 2431056 | 1943-11-27 | 2431092 | 1944-01-02 | -36 | SVO |
| -56 | 9.8 | 2431456 | 1944-12-31 | 2431482 | 1945-01-26 | -26 | AAVSO |
| -55 | 10.0 | 2431845 | 1946-01-24 | 2431873 | 1946-02-21 | -28 | AAVSO |
| -54 | 2432250 | 1947-03-05 | 2432263 | 1947-03-18 | -13 | AAVSO | |
| -53 | 2432642 | 1948-03-31 | 2432653 | 1948-04-11 | -11 | AAVSO | |
| -52 | 10.6 | 2433035 | 1949-04-28 | 2433043 | 1949-05-06 | -8 | AAVSO |
| -51 | 9.7 | 2433405 | 1950-05-03 | 2433434 | 1950-06-01 | -29 | AAVSO |
| -50 | 2433776 | 1951-05-09 | 2433824 | 1951-06-26 | -48 | AAVSO | |
| -49 | 9.4 | 2434196 | 1952-07-02 | 2434214 | 1952-07-20 | -18 | AAVSO |
| -48 | 11.0 | 2434585 | 1953-07-26 | 2434605 | 1953-08-15 | -20 | AAVSO |
| -47 | 10.3 | 2435005 | 1954-09-19 | 2434995 | 1954-09-09 | 10 | SVO |
| -46 | 10.0 | 2435373 | 1955-09-22 | 2435385 | 1955-10-04 | -12 | SVO |
| -45 | 11.0 | 2435777 | 1956-10-30 | 2435776 | 1956-10-29 | 1 | SVO |
| -44 | 10.1 | 2436172 | 1957-11-29 | 2436166 | 1957-11-23 | 6 | SVO |
| -43 | 11.6 | 2436552 | 1958-12-14 | 2436556 | 1958-12-18 | -4 | AAVSO |
| -42 | 11.1 | 2436947 | 1960-01-13 | 2436946 | 1960-01-12 | 1 | AAVSO |
| -41 | 2437349 | 1961-02-18 | 2437337 | 1961-02-06 | 12 | AAVSO | |
| -40 | 2437726 | 1962-03-02 | 2437727 | 1962-03-03 | -1 | AAVSO | |
| -39 | 2438114 | 1963-03-25 | 2438117 | 1963-03-28 | -3 | AAVSO | |
| -38 | 2438506 | 1964-04-20 | 2438508 | 1964-04-22 | -2 | AAVSO | |
| -37 | 11.7 | 2438901 | 1965-05-20 | 2438898 | 1965-05-17 | 3 | AAVSO |
| -36 | 10.6 | 2439296 | 1966-06-19 | 2439288 | 1966-06-11 | 8 | AAVSO |
| -35 | 11.1 | 2439677 | 1967-07-05 | 2439679 | 1967-07-07 | -2 | AAVSO |
| -34 | 10.5 | 2440066 | 1968-07-28 | 2440069 | 1968-07-31 | -3 | SVO |
| -33 | 11.4 | 2440461 | 1969-08-27 | 2440459 | 1969-08-25 | 2 | AAVSO |
| -32 | 10.2 | 2440867 | 1970-10-07 | 2440849 | 1970-09-19 | 18 | SVO |
| -31 | 12.8 | 2441263 | 1971-11-07 | 2441240 | 1971-10-15 | 23 | AAVSO |
| -30 | 12.1 | 2441662 | 1972-12-10 | 2441630 | 1972-11-08 | 32 | AAVSO |
| -29 | 11.0 | 2442049 | 1974-01-01 | 2442020 | 1973-12-03 | 29 | AAVSO |
| -28 | 12.5 | 2442434 | 1975-01-21 | 2442411 | 1974-12-29 | 23 | AAVSO |
| -27 | 11.3 | 2442833 | 1976-02-24 | 2442801 | 1976-01-23 | 32 | AAVSO |
| -26 | 11.0 | 2443194 | 1977-02-19 | 2443191 | 1977-02-16 | 3 | SVO |
| -25 | 11.1 | 2443564 | 1978-02-24 | 2443582 | 1978-03-14 | -18 | SVO |
| -24 | 10.6 | 2443942 | 1979-03-09 | 2443972 | 1979-04-08 | -30 | SVO |
| -23 | 12.2 | 2444349 | 1980-04-19 | 2444362 | 1980-05-02 | -13 | AAVSO |
| -22 | 10.2 | 2444740 | 1981-05-15 | 2444752 | 1981-05-27 | -12 | AAVSO |
| -21 | 11.7 | 2445137 | 1982-06-16 | 2445143 | 1982-06-22 | -6 | AAVSO |
| -20 | 12.5 | 2445534 | 1983-07-18 | 2445533 | 1983-07-17 | 1 | AAVSO |
| -19 | 10.2 | 2445922 | 1984-08-09 | 2445923 | 1984-08-10 | -1 | SVO |
| -18 | 11.2 | 2446320 | 1985-09-11 | 2446314 | 1985-09-05 | 6 | SVO |
| -17 | 10.8 | 2446708 | 1986-10-04 | 2446704 | 1986-09-30 | 4 | SVO |
| -16 | 11.5 | 2447096 | 1987-10-27 | 2447094 | 1987-10-25 | 2 | SVO |
| -15 | 10.3 | 2447493 | 1988-11-27 | 2447485 | 1988-11-19 | 8 | SVO |
| -14 | 11.6 | 2447874 | 1989-12-13 | 2447875 | 1989-12-14 | -1 | SVO |
| -13 | 10.5 | 2448262 | 1991-01-05 | 2448265 | 1991-01-08 | -3 | SVO |
| -12 | 10.0 | 2448641 | 1992-01-19 | 2448655 | 1992-02-02 | -14 | SVO |
| -11 | 10.7 | 2449040 | 1993-02-21 | 2449046 | 1993-02-27 | -6 | SVO |
| -10 | 10.5 | 2449429 | 1994-03-17 | 2449436 | 1994-03-24 | -7 | SVO |
| -9 | 10.8 | 2449827 | 1995-04-19 | 2449826 | 1995-04-18 | 1 | SVO |
| -8 | 10.4 | 2450207 | 1996-05-03 | 2450217 | 1996-05-13 | -10 | SVO |
| -7 | 10.3 | 2450589 | 1997-05-20 | 2450607 | 1997-06-07 | -18 | SVO |
| -6 | 10.5 | 2450997 | 1998-07-02 | 2450997 | 1998-07-02 | 0 | SVO |
| -5 | 10.9 | 2451400 | 1999-08-09 | 2451388 | 1999-07-28 | 12 | SVO |
| -4 | 10.2 | 2451783 | 2000-08-26 | 2451778 | 2000-08-21 | 5 | SVO |
| -3 | 9.0 | 2452153 | 2001-08-31 | 2452168 | 2001-09-15 | -15 | SVO |
| -2 | 10.9 | 2452562 | 2002-10-14 | 2452558 | 2002-10-10 | 4 | SVO |
| -1 | 10.1 | 2452944 | 2003-10-31 | 2452949 | 2003-11-05 | -5 | SVO |
| 0 | 9.6 | 2453342 | 2004-12-02 | 2453339 | 2004-11-29 | 3 | SVO |
| 1 | 11.3 | 2453733 | 2005-12-28 | 2453729 | 2005-12-24 | 4 | SVO |
| 2 | 10.6 | 2454143 | 2007-02-11 | 2454120 | 2007-01-19 | 23 | SVO |
| 3 | 9.8 | 2454520 | 2008-02-23 | 2454510 | 2008-02-13 | 10 | SVO |
| 4 | 10.7 | 2454933 | 2009-04-11 | 2454900 | 2009-03-09 | 33 | SVO |
| 5 | 10.9 | 2455324 | 2010-05-07 | 2455291 | 2010-04-04 | 33 | SVO |
| 6 | 10.2 | 2455704 | 2011-05-22 | 2455681 | 2011-04-29 | 23 | SVO |
| 7 | 9.8 | 2456082 | 2012-06-03 | 2456071 | 2012-05-23 | 11 | SVO |
| 8 | 10.0 | 2456474 | 2013-06-30 | 2456461 | 2013-06-17 | 13 | SVO |
| 9 | 9.6 | 2456864 | 2014-07-25 | 2456852 | 2014-07-13 | 12 | SVO |
| 10 | 10.7 | 2457262 | 2015-08-27 | 2457242 | 2015-08-07 | 20 | SVO |
| 11 | 9.8 | 2457655 | 2016-09-23 | 2457632 | 2016-08-31 | 23 | SVO |
| 12 | 9.9 | 2458026 | 2017-09-29 | 2458023 | 2017-09-26 | 3 | SVO |
| 13 | 10.1 | 2458423 | 2018-10-31 | 2458413 | 2018-10-21 | 10 | SVO |
| 14 | 9.8 | 2458801 | 2019-11-13 | 2458803 | 2019-11-15 | -2 | SVO |
| 15 | 10.7 | 2459191 | 2020-12-07 | 2459194 | 2020-12-10 | -3 | SVO |
| 16 | 10.3 | 2459576 | 2021-12-27 | 2459584 | 2022-01-04 | -8 | 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. |