| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -86 | 2415040 | 1900-01-20 | 2415003 | 1899-12-14 | 37 | AnHar, 1952, vol 118 | |
| -83 | 2416100 | 1902-12-16 | 2416067 | 1902-11-13 | 33 | AnHar, 1952, vol 118 | |
| -82 | 2416440 | 1903-11-21 | 2416421 | 1903-11-02 | 19 | AnHar, 1952, vol 118 | |
| -81 | 2416780 | 1904-10-26 | 2416776 | 1904-10-22 | 4 | SVO | |
| -80 | 2417140 | 1905-10-21 | 2417130 | 1905-10-11 | 10 | SVO | |
| -79 | 2417480 | 1906-09-26 | 2417485 | 1906-10-01 | -5 | AAVSO | |
| -78 | 8.9 | 2417837 | 1907-09-18 | 2417839 | 1907-09-20 | -2 | AAVSO |
| -77 | 2418209 | 1908-09-24 | 2418194 | 1908-09-09 | 15 | AnHar, 1909, vol 55, p 95 | |
| -76 | 2418574 | 1909-09-24 | 2418548 | 1909-08-29 | 26 | GuL, 1918, 1.1 | |
| -75 | 9.5 | 2418921 | 1910-09-06 | 2418903 | 1910-08-19 | 18 | AAVSO |
| -74 | 9.8 | 2419247 | 1911-07-29 | 2419257 | 1911-08-08 | -10 | AAVSO |
| -73 | 9.4 | 2419612 | 1912-07-28 | 2419612 | 1912-07-28 | 0 | SVO |
| -72 | 9.3 | 2419975 | 1913-07-26 | 2419966 | 1913-07-17 | 9 | SVO |
| -71 | 2420333 | 1914-07-19 | 2420321 | 1914-07-07 | 12 | AAVSO | |
| -70 | 2420675 | 1915-06-26 | 2420675 | 1915-06-26 | 0 | AAVSO | |
| -69 | 9.2 | 2421024 | 1916-06-09 | 2421030 | 1916-06-15 | -6 | AAVSO |
| -68 | 2421387 | 1917-06-07 | 2421384 | 1917-06-04 | 3 | AAVSO | |
| -67 | 9.6 | 2421746 | 1918-06-01 | 2421739 | 1918-05-25 | 7 | AAVSO |
| -66 | 10.0 | 2422103 | 1919-05-24 | 2422093 | 1919-05-14 | 10 | AAVSO |
| -65 | 10.1 | 2422461 | 1920-05-16 | 2422448 | 1920-05-03 | 13 | AAVSO |
| -64 | 10.2 | 2422796 | 1921-04-16 | 2422802 | 1921-04-22 | -6 | AAVSO |
| -63 | 9.2 | 2423160 | 1922-04-15 | 2423157 | 1922-04-12 | 3 | AAVSO |
| -62 | 9.9 | 2423496 | 1923-03-17 | 2423511 | 1923-04-01 | -15 | SVO |
| -61 | 9.2 | 2423878 | 1924-04-02 | 2423866 | 1924-03-21 | 12 | SVO |
| -60 | 9.1 | 2424229 | 1925-03-19 | 2424220 | 1925-03-10 | 9 | SVO |
| -59 | 9.2 | 2424571 | 1926-02-24 | 2424575 | 1926-02-28 | -4 | SVO |
| -58 | 9.2 | 2424931 | 1927-02-19 | 2424929 | 1927-02-17 | 2 | SVO |
| -57 | 9.4 | 2425289 | 1928-02-12 | 2425284 | 1928-02-07 | 5 | SVO |
| -56 | 9.1 | 2425634 | 1929-01-22 | 2425638 | 1929-01-26 | -4 | SVO |
| -55 | 9.4 | 2425988 | 1930-01-11 | 2425993 | 1930-01-16 | -5 | SVO |
| -54 | 9.2 | 2426332 | 1930-12-21 | 2426347 | 1931-01-05 | -15 | SVO |
| -53 | 9.3 | 2426677 | 1931-12-01 | 2426702 | 1931-12-26 | -25 | SVO |
| -52 | 9.3 | 2427039 | 1932-11-27 | 2427056 | 1932-12-14 | -17 | SVO |
| -51 | 9.3 | 2427389 | 1933-11-12 | 2427411 | 1933-12-04 | -22 | SVO |
| -50 | 9.3 | 2427746 | 1934-11-04 | 2427765 | 1934-11-23 | -19 | SVO |
| -49 | 9.2 | 2428100 | 1935-10-24 | 2428119 | 1935-11-12 | -19 | SVO |
| -48 | 9.2 | 2428445 | 1936-10-03 | 2428474 | 1936-11-01 | -29 | SVO |
| -47 | 9.5 | 2428811 | 1937-10-04 | 2428828 | 1937-10-21 | -17 | SVO |
| -46 | 9.3 | 2429164 | 1938-09-22 | 2429183 | 1938-10-11 | -19 | SVO |
| -45 | 9.4 | 2429520 | 1939-09-13 | 2429537 | 1939-09-30 | -17 | SVO |
| -44 | 9.5 | 2429867 | 1940-08-25 | 2429892 | 1940-09-19 | -25 | AAVSO |
| -43 | 9.4 | 2430226 | 1941-08-19 | 2430246 | 1941-09-08 | -20 | AAVSO |
| -42 | 9.6 | 2430582 | 1942-08-10 | 2430601 | 1942-08-29 | -19 | AAVSO |
| -41 | 9.6 | 2430936 | 1943-07-30 | 2430955 | 1943-08-18 | -19 | AAVSO |
| -40 | 9.5 | 2431293 | 1944-07-21 | 2431310 | 1944-08-07 | -17 | AAVSO |
| -39 | 9.5 | 2431645 | 1945-07-08 | 2431664 | 1945-07-27 | -19 | SVO |
| -38 | 9.5 | 2432008 | 1946-07-06 | 2432019 | 1946-07-17 | -11 | AAVSO |
| -37 | 9.2 | 2432363 | 1947-06-26 | 2432373 | 1947-07-06 | -10 | AAVSO |
| -36 | 2432724 | 1948-06-21 | 2432728 | 1948-06-25 | -4 | AAVSO | |
| -35 | 2433066 | 1949-05-29 | 2433082 | 1949-06-14 | -16 | AAVSO | |
| -34 | 2433422 | 1950-05-20 | 2433437 | 1950-06-04 | -15 | AAVSO | |
| -33 | 9.8 | 2433774 | 1951-05-07 | 2433791 | 1951-05-24 | -17 | AAVSO |
| -32 | 2434127 | 1952-04-24 | 2434146 | 1952-05-13 | -19 | AAVSO | |
| -31 | 10.0 | 2434481 | 1953-04-13 | 2434500 | 1953-05-02 | -19 | AAVSO |
| -30 | 9.5 | 2434835 | 1954-04-02 | 2434855 | 1954-04-22 | -20 | AAVSO |
| -29 | 9.8 | 2435190 | 1955-03-23 | 2435209 | 1955-04-11 | -19 | AAVSO |
| -28 | 9.6 | 2435539 | 1956-03-06 | 2435564 | 1956-03-31 | -25 | AAVSO |
| -27 | 9.6 | 2435895 | 1957-02-25 | 2435918 | 1957-03-20 | -23 | AAVSO |
| -26 | 9.8 | 2436263 | 1958-02-28 | 2436273 | 1958-03-10 | -10 | SVO |
| -25 | 9.7 | 2436613 | 1959-02-13 | 2436627 | 1959-02-27 | -14 | SVO |
| -24 | 10.0 | 2436961 | 1960-01-27 | 2436982 | 1960-02-17 | -21 | AAVSO |
| -23 | 9.7 | 2437338 | 1961-02-07 | 2437336 | 1961-02-05 | 2 | AAVSO |
| -22 | 9.8 | 2437692 | 1962-01-27 | 2437691 | 1962-01-26 | 1 | AAVSO |
| -21 | 9.4 | 2438039 | 1963-01-09 | 2438045 | 1963-01-15 | -6 | SVO |
| -20 | 9.6 | 2438398 | 1964-01-03 | 2438400 | 1964-01-05 | -2 | SVO |
| -19 | 9.6 | 2438753 | 1964-12-23 | 2438754 | 1964-12-24 | -1 | SVO |
| -18 | 9.5 | 2439094 | 1965-11-29 | 2439109 | 1965-12-14 | -15 | SVO |
| -17 | 9.7 | 2439449 | 1966-11-19 | 2439463 | 1966-12-03 | -14 | SVO |
| -16 | 9.6 | 2439813 | 1967-11-18 | 2439818 | 1967-11-23 | -5 | SVO |
| -15 | 9.6 | 2440171 | 1968-11-10 | 2440172 | 1968-11-11 | -1 | SVO |
| -14 | 9.7 | 2440525 | 1969-10-30 | 2440527 | 1969-11-01 | -2 | SVO |
| -13 | 9.8 | 2440873 | 1970-10-13 | 2440881 | 1970-10-21 | -8 | AAVSO |
| -12 | 9.6 | 2441231 | 1971-10-06 | 2441236 | 1971-10-11 | -5 | AAVSO |
| -11 | 9.6 | 2441582 | 1972-09-21 | 2441590 | 1972-09-29 | -8 | SVO |
| -10 | 9.6 | 2441945 | 1973-09-19 | 2441945 | 1973-09-19 | 0 | SVO |
| -9 | 9.6 | 2442294 | 1974-09-03 | 2442299 | 1974-09-08 | -5 | AAVSO |
| -8 | 9.8 | 2442666 | 1975-09-10 | 2442654 | 1975-08-29 | 12 | SVO |
| -7 | 9.5 | 2443025 | 1976-09-03 | 2443008 | 1976-08-17 | 17 | SVO |
| -6 | 9.5 | 2443366 | 1977-08-10 | 2443363 | 1977-08-07 | 3 | SVO |
| -5 | 9.7 | 2443731 | 1978-08-10 | 2443717 | 1978-07-27 | 14 | SVO |
| -4 | 9.5 | 2444087 | 1979-08-01 | 2444072 | 1979-07-17 | 15 | SVO |
| -3 | 9.6 | 2444452 | 1980-07-31 | 2444426 | 1980-07-05 | 26 | SVO |
| -2 | 9.6 | 2444798 | 1981-07-12 | 2444781 | 1981-06-25 | 17 | SVO |
| -1 | 9.5 | 2445156 | 1982-07-05 | 2445135 | 1982-06-14 | 21 | SVO |
| 0 | 9.6 | 2445520 | 1983-07-04 | 2445490 | 1983-06-04 | 30 | SVO |
| 1 | 9.5 | 2445879 | 1984-06-27 | 2445844 | 1984-05-23 | 35 | SVO |
| 2 | 9.7 | 2446238 | 1985-06-21 | 2446199 | 1985-05-13 | 39 | SVO |
| 3 | 9.4 | 2446581 | 1986-05-30 | 2446553 | 1986-05-02 | 28 | SVO |
| 4 | 9.6 | 2446934 | 1987-05-18 | 2446908 | 1987-04-22 | 26 | SVO |
| 5 | 9.7 | 2447301 | 1988-05-19 | 2447262 | 1988-04-10 | 39 | SVO |
| 6 | 9.7 | 2447664 | 1989-05-17 | 2447617 | 1989-03-31 | 47 | SVO |
| 7 | 9.5 | 2448024 | 1990-05-12 | 2447971 | 1990-03-20 | 53 | SVO |
| 8 | 9.4 | 2448386 | 1991-05-09 | 2448326 | 1991-03-10 | 60 | SVO |
| 9 | 9.4 | 2448738 | 1992-04-25 | 2448680 | 1992-02-27 | 58 | SVO |
| 10 | 9.6 | 2449076 | 1993-03-29 | 2449034 | 1993-02-15 | 42 | SVO |
| 11 | 9.5 | 2449422 | 1994-03-10 | 2449389 | 1994-02-05 | 33 | SVO |
| 12 | 9.6 | 2449787 | 1995-03-10 | 2449743 | 1995-01-25 | 44 | SVO |
| 13 | 9.5 | 2450132 | 1996-02-18 | 2450098 | 1996-01-15 | 34 | SVO |
| 14 | 9.6 | 2450486 | 1997-02-06 | 2450452 | 1997-01-03 | 34 | SVO |
| 15 | 9.6 | 2450843 | 1998-01-29 | 2450807 | 1997-12-24 | 36 | SVO |
| 16 | 9.5 | 2451185 | 1999-01-06 | 2451161 | 1998-12-13 | 24 | SVO |
| 17 | 9.7 | 2451540 | 1999-12-27 | 2451516 | 1999-12-03 | 24 | SVO |
| 18 | 9.6 | 2451884 | 2000-12-05 | 2451870 | 2000-11-21 | 14 | SVO |
| 19 | 9.7 | 2452248 | 2001-12-04 | 2452225 | 2001-11-11 | 23 | SVO |
| 20 | 9.5 | 2452593 | 2002-11-14 | 2452579 | 2002-10-31 | 14 | SVO |
| 21 | 9.6 | 2452941 | 2003-10-28 | 2452934 | 2003-10-21 | 7 | SVO |
| 22 | 9.6 | 2453291 | 2004-10-12 | 2453288 | 2004-10-09 | 3 | SVO |
| 23 | 9.5 | 2453647 | 2005-10-03 | 2453643 | 2005-09-29 | 4 | SVO |
| 24 | 9.4 | 2453986 | 2006-09-07 | 2453997 | 2006-09-18 | -11 | SVO |
| 25 | 2454350 | 2007-09-06 | 2454352 | 2007-09-08 | -2 | AAVSO | |
| 26 | 9.3 | 2454691 | 2008-08-12 | 2454706 | 2008-08-27 | -15 | SVO |
| 27 | 9.3 | 2455044 | 2009-07-31 | 2455061 | 2009-08-17 | -17 | SVO |
| 28 | 9.3 | 2455397 | 2010-07-19 | 2455415 | 2010-08-06 | -18 | SVO |
| 29 | 9.2 | 2455742 | 2011-06-29 | 2455770 | 2011-07-27 | -28 | SVO |
| 30 | 9.2 | 2456088 | 2012-06-09 | 2456124 | 2012-07-15 | -36 | SVO |
| 31 | 9.2 | 2456452 | 2013-06-08 | 2456479 | 2013-07-05 | -27 | SVO |
| 32 | 9.0 | 2456809 | 2014-05-31 | 2456833 | 2014-06-24 | -24 | SVO |
| 33 | 9.3 | 2457153 | 2015-05-10 | 2457188 | 2015-06-14 | -35 | AAVSO |
| 34 | 2457511 | 2016-05-02 | 2457542 | 2016-06-02 | -31 | AAVSO | |
| 35 | 9.5 | 2457875 | 2017-05-01 | 2457897 | 2017-05-23 | -22 | SVO |
| 36 | 9.0 | 2458213 | 2018-04-04 | 2458251 | 2018-05-12 | -38 | SVO |
| 37 | 9.3 | 2458573 | 2019-03-30 | 2458606 | 2019-05-02 | -33 | SVO |
| 38 | 9.0 | 2458931 | 2020-03-22 | 2458960 | 2020-04-20 | -29 | SVO |
| 39 | 9.2 | 2459279 | 2021-03-05 | 2459315 | 2021-04-10 | -36 | SVO |
| 40 | 9.1 | 2459634 | 2022-02-23 | 2459669 | 2022-03-30 | -35 | 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. |