| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -123 | 2407812 | 1880-04-06 | 2407789 | 1880-03-14 | 23 | GuL, 1918, 1.1 | |
| -120 | 2408577 | 1882-05-11 | 2408556 | 1882-04-20 | 21 | GuL, 1918, 1.1 | |
| -110 | 2411130 | 1889-05-07 | 2411112 | 1889-04-19 | 18 | SVO | |
| -100 | 2413688 | 1896-05-08 | 2413668 | 1896-04-18 | 20 | AnHar, 1909, vol 55, p 95 | |
| -99 | 2413940 | 1897-01-15 | 2413924 | 1896-12-30 | 16 | SVO | |
| -97 | 2414445 | 1898-06-04 | 2414435 | 1898-05-25 | 10 | AnHar, 1909, vol 55, p 95 | |
| -96 | 2414700 | 1899-02-14 | 2414691 | 1899-02-05 | 9 | SVO | |
| -94 | 2415209 | 1900-07-08 | 2415202 | 1900-07-01 | 7 | SVO | |
| -91 | 2415980 | 1902-08-18 | 2415969 | 1902-08-07 | 11 | SVO | |
| -90 | 2416236 | 1903-05-01 | 2416224 | 1903-04-19 | 12 | SVO | |
| -87 | 2417002 | 1905-06-05 | 2416991 | 1905-05-25 | 11 | SVO | |
| -86 | 2417255 | 1906-02-13 | 2417247 | 1906-02-05 | 8 | AAVSO | |
| -84 | 8.8 | 2417753 | 1907-06-26 | 2417758 | 1907-07-01 | -5 | AAVSO |
| -83 | 2418008 | 1908-03-07 | 2418014 | 1908-03-13 | -6 | AAVSO | |
| -82 | 9.0 | 2418258 | 1908-11-12 | 2418269 | 1908-11-23 | -11 | AAVSO |
| -81 | 2418520 | 1909-08-01 | 2418525 | 1909-08-06 | -5 | AAVSO | |
| -80 | 9.2 | 2418778 | 1910-04-16 | 2418781 | 1910-04-19 | -3 | AAVSO |
| -78 | 2419269 | 1911-08-20 | 2419292 | 1911-09-12 | -23 | AAVSO | |
| -77 | 9.3 | 2419534 | 1912-05-11 | 2419548 | 1912-05-25 | -14 | AAVSO |
| -74 | 2420325 | 1914-07-11 | 2420315 | 1914-07-01 | 10 | SVO | |
| -73 | 2420583 | 1915-03-26 | 2420570 | 1915-03-13 | 13 | AAVSO | |
| -71 | 2421085 | 1916-08-09 | 2421081 | 1916-08-05 | 4 | SVO | |
| -70 | 2421350 | 1917-05-01 | 2421337 | 1917-04-18 | 13 | SVO | |
| -69 | 2421606 | 1918-01-12 | 2421593 | 1917-12-30 | 13 | AAVSO | |
| -68 | 2421862 | 1918-09-25 | 2421848 | 1918-09-11 | 14 | AAVSO | |
| -67 | 2422118 | 1919-06-08 | 2422104 | 1919-05-25 | 14 | AAVSO | |
| -66 | 8.5 | 2422371 | 1920-02-16 | 2422360 | 1920-02-05 | 11 | AAVSO |
| -65 | 2422633 | 1920-11-04 | 2422615 | 1920-10-17 | 18 | AAVSO | |
| -64 | 2422874 | 1921-07-03 | 2422871 | 1921-06-30 | 3 | AAVSO | |
| -63 | 9.2 | 2423127 | 1922-03-13 | 2423126 | 1922-03-12 | 1 | AAVSO |
| -62 | 2423375 | 1922-11-16 | 2423382 | 1922-11-23 | -7 | AAVSO | |
| -61 | 2423647 | 1923-08-15 | 2423638 | 1923-08-06 | 9 | AAVSO | |
| -60 | 9.6 | 2423908 | 1924-05-02 | 2423893 | 1924-04-17 | 15 | AAVSO |
| -57 | 9.8 | 2424663 | 1926-05-27 | 2424660 | 1926-05-24 | 3 | AAVSO |
| -56 | 2424917 | 1927-02-05 | 2424916 | 1927-02-04 | 1 | AAVSO | |
| -54 | 10.0 | 2425437 | 1928-07-09 | 2425427 | 1928-06-29 | 10 | AAVSO |
| -53 | 9.3 | 2425680 | 1929-03-09 | 2425683 | 1929-03-12 | -3 | AAVSO |
| -52 | 2425937 | 1929-11-21 | 2425938 | 1929-11-22 | -1 | AAVSO | |
| -51 | 9.2 | 2426187 | 1930-07-29 | 2426194 | 1930-08-05 | -7 | AAVSO |
| -50 | 10.3 | 2426450 | 1931-04-18 | 2426450 | 1931-04-18 | 0 | SVO |
| -49 | 9.6 | 2426706 | 1931-12-30 | 2426705 | 1931-12-29 | 1 | AAVSO |
| -48 | 2426961 | 1932-09-10 | 2426961 | 1932-09-10 | 0 | AAVSO | |
| -47 | 10.1 | 2427216 | 1933-05-23 | 2427216 | 1933-05-23 | 0 | SVO |
| -46 | 9.0 | 2427458 | 1934-01-20 | 2427472 | 1934-02-03 | -14 | AAVSO |
| -45 | 2427707 | 1934-09-26 | 2427728 | 1934-10-17 | -21 | AAVSO | |
| -44 | 9.4 | 2427980 | 1935-06-26 | 2427983 | 1935-06-29 | -3 | SVO |
| -43 | 2428234 | 1936-03-06 | 2428239 | 1936-03-11 | -5 | AAVSO | |
| -41 | 10.2 | 2428746 | 1937-07-31 | 2428750 | 1937-08-04 | -4 | SVO |
| -40 | 9.7 | 2428999 | 1938-04-10 | 2429006 | 1938-04-17 | -7 | SVO |
| -38 | 9.2 | 2429516 | 1939-09-09 | 2429517 | 1939-09-10 | -1 | AAVSO |
| -37 | 11.1 | 2429769 | 1940-05-19 | 2429773 | 1940-05-23 | -4 | SVO |
| -36 | 2430024 | 1941-01-29 | 2430028 | 1941-02-02 | -4 | AAVSO | |
| -35 | 2430297 | 1941-10-29 | 2430284 | 1941-10-16 | 13 | AAVSO | |
| -34 | 10.5 | 2430545 | 1942-07-04 | 2430540 | 1942-06-29 | 5 | SVO |
| -33 | 9.9 | 2430806 | 1943-03-22 | 2430795 | 1943-03-11 | 11 | AAVSO |
| -31 | 9.7 | 2431312 | 1944-08-09 | 2431306 | 1944-08-03 | 6 | AAVSO |
| -30 | 10.6 | 2431565 | 1945-04-19 | 2431562 | 1945-04-16 | 3 | AAVSO |
| -29 | 2431828 | 1946-01-07 | 2431818 | 1945-12-28 | 10 | AAVSO | |
| -28 | 9.3 | 2432083 | 1946-09-19 | 2432073 | 1946-09-09 | 10 | AAVSO |
| -27 | 9.9 | 2432331 | 1947-05-25 | 2432329 | 1947-05-23 | 2 | AAVSO |
| -26 | 10.5 | 2432582 | 1948-01-31 | 2432585 | 1948-02-03 | -3 | AAVSO |
| -25 | 2432837 | 1948-10-12 | 2432840 | 1948-10-15 | -3 | AAVSO | |
| -24 | 9.7 | 2433090 | 1949-06-22 | 2433096 | 1949-06-28 | -6 | SVO |
| -23 | 9.9 | 2433349 | 1950-03-08 | 2433352 | 1950-03-11 | -3 | SVO |
| -22 | 2433606 | 1950-11-20 | 2433607 | 1950-11-21 | -1 | AAVSO | |
| -21 | 10.2 | 2433860 | 1951-08-01 | 2433863 | 1951-08-04 | -3 | SVO |
| -20 | 9.7 | 2434111 | 1952-04-08 | 2434118 | 1952-04-15 | -7 | SVO |
| -19 | 10.0 | 2434366 | 1952-12-19 | 2434374 | 1952-12-27 | -8 | AAVSO |
| -18 | 9.9 | 2434620 | 1953-08-30 | 2434630 | 1953-09-09 | -10 | AAVSO |
| -17 | 10.0 | 2434879 | 1954-05-16 | 2434885 | 1954-05-22 | -6 | SVO |
| -16 | 9.0 | 2435135 | 1955-01-27 | 2435141 | 1955-02-02 | -6 | AAVSO |
| -15 | 2435395 | 1955-10-14 | 2435397 | 1955-10-16 | -2 | AAVSO | |
| -14 | 10.9 | 2435654 | 1956-06-29 | 2435652 | 1956-06-27 | 2 | SVO |
| -13 | 10.0 | 2435908 | 1957-03-10 | 2435908 | 1957-03-10 | 0 | AAVSO |
| -12 | 2436158 | 1957-11-15 | 2436163 | 1957-11-20 | -5 | AAVSO | |
| -11 | 10.1 | 2436409 | 1958-07-24 | 2436419 | 1958-08-03 | -10 | SVO |
| -10 | 9.4 | 2436665 | 1959-04-06 | 2436675 | 1959-04-16 | -10 | SVO |
| -9 | 2436914 | 1959-12-11 | 2436930 | 1959-12-27 | -16 | AAVSO | |
| -8 | 10.9 | 2437169 | 1960-08-22 | 2437186 | 1960-09-08 | -17 | AAVSO |
| -7 | 10.4 | 2437424 | 1961-05-04 | 2437442 | 1961-05-22 | -18 | AAVSO |
| -6 | 10.3 | 2437680 | 1962-01-15 | 2437697 | 1962-02-01 | -17 | AAVSO |
| -5 | 10.0 | 2437942 | 1962-10-04 | 2437953 | 1962-10-15 | -11 | AAVSO |
| -4 | 9.4 | 2438190 | 1963-06-09 | 2438208 | 1963-06-27 | -18 | SVO |
| -3 | 9.6 | 2438440 | 1964-02-14 | 2438464 | 1964-03-09 | -24 | SVO |
| -2 | 2438701 | 1964-11-01 | 2438720 | 1964-11-20 | -19 | AAVSO | |
| -1 | 9.6 | 2438962 | 1965-07-20 | 2438975 | 1965-08-02 | -13 | SVO |
| 0 | 10.2 | 2439221 | 1966-04-05 | 2439231 | 1966-04-15 | -10 | SVO |
| 1 | 9.5 | 2439475 | 1966-12-15 | 2439487 | 1966-12-27 | -12 | AAVSO |
| 2 | 10.0 | 2439729 | 1967-08-26 | 2439742 | 1967-09-08 | -13 | AAVSO |
| 3 | 9.5 | 2439980 | 1968-05-03 | 2439998 | 1968-05-21 | -18 | SVO |
| 4 | 9.9 | 2440247 | 1969-01-25 | 2440253 | 1969-01-31 | -6 | AAVSO |
| 5 | 2440500 | 1969-10-05 | 2440509 | 1969-10-14 | -9 | AAVSO | |
| 6 | 9.3 | 2440747 | 1970-06-09 | 2440765 | 1970-06-27 | -18 | SVO |
| 7 | 9.0 | 2441000 | 1971-02-17 | 2441020 | 1971-03-09 | -20 | AAVSO |
| 8 | 2441265 | 1971-11-09 | 2441276 | 1971-11-20 | -11 | AAVSO | |
| 9 | 9.7 | 2441519 | 1972-07-20 | 2441532 | 1972-08-02 | -13 | AAVSO |
| 10 | 10.8 | 2441778 | 1973-04-05 | 2441787 | 1973-04-14 | -9 | AAVSO |
| 11 | 2442034 | 1973-12-17 | 2442043 | 1973-12-26 | -9 | AAVSO | |
| 12 | 10.6 | 2442289 | 1974-08-29 | 2442298 | 1974-09-07 | -9 | AAVSO |
| 13 | 9.7 | 2442538 | 1975-05-05 | 2442554 | 1975-05-21 | -16 | SVO |
| 14 | 10.7 | 2442797 | 1976-01-19 | 2442810 | 1976-02-01 | -13 | AAVSO |
| 15 | 10.1 | 2443050 | 1976-09-28 | 2443065 | 1976-10-13 | -15 | AAVSO |
| 16 | 10.2 | 2443303 | 1977-06-08 | 2443321 | 1977-06-26 | -18 | SVO |
| 17 | 9.8 | 2443565 | 1978-02-25 | 2443577 | 1978-03-09 | -12 | AAVSO |
| 18 | 2443820 | 1978-11-07 | 2443832 | 1978-11-19 | -12 | AAVSO | |
| 19 | 11.2 | 2444071 | 1979-07-16 | 2444088 | 1979-08-02 | -17 | SVO |
| 20 | 10.6 | 2444331 | 1980-04-01 | 2444343 | 1980-04-13 | -12 | SVO |
| 21 | 10.1 | 2444592 | 1980-12-18 | 2444599 | 1980-12-25 | -7 | AAVSO |
| 22 | 10.5 | 2444846 | 1981-08-29 | 2444855 | 1981-09-07 | -9 | AAVSO |
| 23 | 10.0 | 2445103 | 1982-05-13 | 2445110 | 1982-05-20 | -7 | SVO |
| 24 | 9.7 | 2445358 | 1983-01-23 | 2445366 | 1983-01-31 | -8 | AAVSO |
| 25 | 9.8 | 2445615 | 1983-10-07 | 2445622 | 1983-10-14 | -7 | AAVSO |
| 26 | 10.7 | 2445875 | 1984-06-23 | 2445877 | 1984-06-25 | -2 | SVO |
| 27 | 9.7 | 2446124 | 1985-02-27 | 2446133 | 1985-03-08 | -9 | SVO |
| 28 | 2446390 | 1985-11-20 | 2446388 | 1985-11-18 | 2 | AAVSO | |
| 29 | 10.2 | 2446648 | 1986-08-05 | 2446644 | 1986-08-01 | 4 | SVO |
| 30 | 9.4 | 2446896 | 1987-04-10 | 2446900 | 1987-04-14 | -4 | SVO |
| 31 | 2447153 | 1987-12-23 | 2447155 | 1987-12-25 | -2 | AAVSO | |
| 32 | 2447411 | 1988-09-06 | 2447411 | 1988-09-06 | 0 | AAVSO | |
| 33 | 9.6 | 2447664 | 1989-05-17 | 2447667 | 1989-05-20 | -3 | SVO |
| 34 | 9.9 | 2447916 | 1990-01-24 | 2447922 | 1990-01-30 | -6 | SVO |
| 35 | 2448184 | 1990-10-19 | 2448178 | 1990-10-13 | 6 | AAVSO | |
| 36 | 9.9 | 2448434 | 1991-06-26 | 2448434 | 1991-06-26 | 0 | SVO |
| 37 | 10.3 | 2448686 | 1992-03-04 | 2448689 | 1992-03-07 | -3 | SVO |
| 38 | 2448942 | 1992-11-15 | 2448945 | 1992-11-18 | -3 | AAVSO | |
| 39 | 9.9 | 2449198 | 1993-07-29 | 2449200 | 1993-07-31 | -2 | SVO |
| 40 | 9.8 | 2449457 | 1994-04-14 | 2449456 | 1994-04-13 | 1 | SVO |
| 41 | 2449721 | 1995-01-03 | 2449712 | 1994-12-25 | 9 | AAVSO | |
| 42 | 2449987 | 1995-09-26 | 2449967 | 1995-09-06 | 20 | AAVSO | |
| 43 | 10.0 | 2450225 | 1996-05-21 | 2450223 | 1996-05-19 | 2 | SVO |
| 44 | 2450477 | 1997-01-28 | 2450479 | 1997-01-30 | -2 | AAVSO | |
| 45 | 2450734 | 1997-10-12 | 2450734 | 1997-10-12 | 0 | AAVSO | |
| 46 | 10.6 | 2450996 | 1998-07-01 | 2450990 | 1998-06-25 | 6 | SVO |
| 47 | 10.0 | 2451256 | 1999-03-18 | 2451245 | 1999-03-07 | 11 | SVO |
| 48 | 2451512 | 1999-11-29 | 2451501 | 1999-11-18 | 11 | AAVSO | |
| 49 | 9.4 | 2451754 | 2000-07-28 | 2451757 | 2000-07-31 | -3 | SVO |
| 50 | 9.9 | 2452012 | 2001-04-12 | 2452012 | 2001-04-12 | 0 | SVO |
| 51 | 2452271 | 2001-12-27 | 2452268 | 2001-12-24 | 3 | AAVSO | |
| 52 | 2452535 | 2002-09-17 | 2452524 | 2002-09-06 | 11 | AAVSO | |
| 53 | 9.5 | 2452776 | 2003-05-16 | 2452779 | 2003-05-19 | -3 | SVO |
| 54 | 2453032 | 2004-01-27 | 2453035 | 2004-01-30 | -3 | AAVSO | |
| 55 | 2453293 | 2004-10-14 | 2453290 | 2004-10-11 | 3 | AAVSO | |
| 56 | 10.2 | 2453551 | 2005-06-29 | 2453546 | 2005-06-24 | 5 | SVO |
| 57 | 9.8 | 2453803 | 2006-03-08 | 2453802 | 2006-03-07 | 1 | SVO |
| 58 | 2454070 | 2006-11-30 | 2454057 | 2006-11-17 | 13 | AAVSO | |
| 59 | 10.3 | 2454323 | 2007-08-10 | 2454313 | 2007-07-31 | 10 | SVO |
| 60 | 9.6 | 2454570 | 2008-04-13 | 2454569 | 2008-04-12 | 1 | SVO |
| 61 | 9.7 | 2454829 | 2008-12-28 | 2454824 | 2008-12-23 | 5 | AAVSO |
| 62 | 9.5 | 2455090 | 2009-09-15 | 2455080 | 2009-09-05 | 10 | AAVSO |
| 63 | 10.7 | 2455344 | 2010-05-27 | 2455335 | 2010-05-18 | 9 | SVO |
| 64 | 10.0 | 2455592 | 2011-01-30 | 2455591 | 2011-01-29 | 1 | SVO |
| 65 | 2455847 | 2011-10-12 | 2455847 | 2011-10-12 | 0 | AAVSO | |
| 66 | 9.7 | 2456104 | 2012-06-25 | 2456102 | 2012-06-23 | 2 | SVO |
| 67 | 9.8 | 2456361 | 2013-03-09 | 2456358 | 2013-03-06 | 3 | SVO |
| 68 | 10.1 | 2456614 | 2013-11-17 | 2456614 | 2013-11-17 | 0 | AAVSO |
| 69 | 10.2 | 2456878 | 2014-08-08 | 2456869 | 2014-07-30 | 9 | AAVSO |
| 70 | 10.2 | 2457136 | 2015-04-23 | 2457125 | 2015-04-12 | 11 | SVO |
| 71 | 10.2 | 2457392 | 2016-01-04 | 2457380 | 2015-12-23 | 12 | AAVSO |
| 72 | 2457647 | 2016-09-15 | 2457636 | 2016-09-04 | 11 | AAVSO | |
| 73 | 9.8 | 2457906 | 2017-06-01 | 2457892 | 2017-05-18 | 14 | SVO |
| 74 | 10.2 | 2458164 | 2018-02-14 | 2458147 | 2018-01-28 | 17 | SVO |
| 75 | 2458425 | 2018-11-02 | 2458403 | 2018-10-11 | 22 | SVO | |
| 76 | 9.5 | 2458677 | 2019-07-12 | 2458659 | 2019-06-24 | 18 | SVO |
| 77 | 10.3 | 2458943 | 2020-04-03 | 2458914 | 2020-03-05 | 29 | SVO |
| 78 | 2459190 | 2020-12-06 | 2459170 | 2020-11-16 | 20 | SVO | |
| 79 | 2459450 | 2021-08-23 | 2459425 | 2021-07-29 | 25 | SVO | |
| 80 | 9.8 | 2459702 | 2022-05-02 | 2459681 | 2022-04-11 | 21 | 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. |