| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -68 | 2410580 | 1887-11-04 | 2410642 | 1888-01-05 | -62 | TvOC, 1910, vol 5, p 40 | |
| -66 | 2411418 | 1890-02-19 | 2411491 | 1890-05-03 | -73 | TvOC, 1910, vol 5, p 40 | |
| -62 | 2413148 | 1894-11-15 | 2413190 | 1894-12-27 | -42 | AnHar, 1909, vol 55, p 95 | |
| -61 | 2413592 | 1896-02-02 | 2413615 | 1896-02-25 | -23 | AnHar, 1909, vol 55, p 95 | |
| -60 | 2414033 | 1897-04-18 | 2414040 | 1897-04-25 | -7 | AnHar, 1909, vol 55, p 95 | |
| -58 | 7.7 | 2414874 | 1899-08-07 | 2414889 | 1899-08-22 | -15 | SVO |
| -57 | 7.3 | 2415284 | 1900-09-21 | 2415314 | 1900-10-21 | -30 | SVO |
| -56 | 8.7 | 2415709 | 1901-11-20 | 2415739 | 1901-12-20 | -30 | SVO |
| -55 | 7.2 | 2416139 | 1903-01-24 | 2416164 | 1903-02-18 | -25 | SVO |
| -53 | 8.6 | 2416983 | 1905-05-17 | 2417013 | 1905-06-16 | -30 | SVO |
| -51 | 7.9 | 2417830 | 1907-09-11 | 2417863 | 1907-10-14 | -33 | SVO |
| -50 | 2418260 | 1908-11-14 | 2418287 | 1908-12-11 | -27 | SVO | |
| -49 | 2418685 | 1910-01-13 | 2418712 | 1910-02-09 | -27 | SVO | |
| -47 | 7.9 | 2419543 | 1912-05-20 | 2419562 | 1912-06-08 | -19 | SVO |
| -46 | 2419970 | 1913-07-21 | 2419986 | 1913-08-06 | -16 | SVO | |
| -45 | 2420390 | 1914-09-14 | 2420411 | 1914-10-05 | -21 | SVO | |
| -44 | 7.7 | 2420819 | 1915-11-17 | 2420836 | 1915-12-04 | -17 | SVO |
| -43 | 2421238 | 1917-01-09 | 2421261 | 1917-02-01 | -23 | SVO | |
| -42 | 8.1 | 2421660 | 1918-03-07 | 2421685 | 1918-04-01 | -25 | SVO |
| -41 | 8.1 | 2422092 | 1919-05-13 | 2422110 | 1919-05-31 | -18 | SVO |
| -39 | 9.0 | 2422943 | 1921-09-10 | 2422960 | 1921-09-27 | -17 | AAVSO |
| -38 | 8.2 | 2423345 | 1922-10-17 | 2423384 | 1922-11-25 | -39 | AAVSO |
| -37 | 7.8 | 2423776 | 1923-12-22 | 2423809 | 1924-01-24 | -33 | SVO |
| -36 | 7.4 | 2424201 | 1925-02-19 | 2424234 | 1925-03-24 | -33 | SVO |
| -35 | 8.6 | 2424622 | 1926-04-16 | 2424659 | 1926-05-23 | -37 | SVO |
| -34 | 8.0 | 2425047 | 1927-06-15 | 2425083 | 1927-07-21 | -36 | SVO |
| -33 | 8.0 | 2425475 | 1928-08-16 | 2425508 | 1928-09-18 | -33 | AAVSO |
| -32 | 8.2 | 2425920 | 1929-11-04 | 2425933 | 1929-11-17 | -13 | SVO |
| -31 | 7.5 | 2426339 | 1930-12-28 | 2426358 | 1931-01-16 | -19 | SVO |
| -30 | 7.9 | 2426782 | 1932-03-15 | 2426782 | 1932-03-15 | 0 | SVO |
| -29 | 8.4 | 2427212 | 1933-05-19 | 2427207 | 1933-05-14 | 5 | SVO |
| -28 | 7.9 | 2427642 | 1934-07-23 | 2427632 | 1934-07-13 | 10 | SVO |
| -27 | 8.2 | 2428068 | 1935-09-22 | 2428057 | 1935-09-11 | 11 | SVO |
| -26 | 7.9 | 2428481 | 1936-11-08 | 2428481 | 1936-11-08 | 0 | SVO |
| -25 | 8.0 | 2428903 | 1938-01-04 | 2428906 | 1938-01-07 | -3 | SVO |
| -24 | 8.0 | 2429331 | 1939-03-08 | 2429331 | 1939-03-08 | 0 | SVO |
| -23 | 7.7 | 2429757 | 1940-05-07 | 2429756 | 1940-05-06 | 1 | SVO |
| -22 | 8.5 | 2430186 | 1941-07-10 | 2430180 | 1941-07-04 | 6 | SVO |
| -21 | 8.3 | 2430599 | 1942-08-27 | 2430605 | 1942-09-02 | -6 | AAVSO |
| -20 | 8.6 | 2431051 | 1943-11-22 | 2431030 | 1943-11-01 | 21 | SVO |
| -19 | 7.8 | 2431478 | 1945-01-22 | 2431455 | 1944-12-30 | 23 | SVO |
| -18 | 8.2 | 2431902 | 1946-03-22 | 2431879 | 1946-02-27 | 23 | SVO |
| -17 | 8.0 | 2432329 | 1947-05-23 | 2432304 | 1947-04-28 | 25 | SVO |
| -16 | 8.9 | 2432771 | 1948-08-07 | 2432729 | 1948-06-26 | 42 | SVO |
| -15 | 7.6 | 2433197 | 1949-10-07 | 2433154 | 1949-08-25 | 43 | SVO |
| -14 | 8.9 | 2433628 | 1950-12-12 | 2433578 | 1950-10-23 | 50 | SVO |
| -13 | 7.8 | 2434050 | 1952-02-07 | 2434003 | 1951-12-22 | 47 | SVO |
| -12 | 8.0 | 2434474 | 1953-04-06 | 2434428 | 1953-02-19 | 46 | SVO |
| -11 | 7.2 | 2434913 | 1954-06-19 | 2434853 | 1954-04-20 | 60 | SVO |
| -10 | 8.9 | 2435346 | 1955-08-26 | 2435277 | 1955-06-18 | 69 | SVO |
| -9 | 7.9 | 2435784 | 1956-11-06 | 2435702 | 1956-08-16 | 82 | SVO |
| -8 | 8.8 | 2436207 | 1958-01-03 | 2436127 | 1957-10-15 | 80 | SVO |
| -7 | 7.7 | 2436632 | 1959-03-04 | 2436552 | 1958-12-14 | 80 | SVO |
| -6 | 8.0 | 2437044 | 1960-04-19 | 2436976 | 1960-02-11 | 68 | SVO |
| -5 | 8.3 | 2437478 | 1961-06-27 | 2437401 | 1961-04-11 | 77 | SVO |
| -4 | 7.4 | 2437893 | 1962-08-16 | 2437826 | 1962-06-10 | 67 | SVO |
| -3 | 7.8 | 2438317 | 1963-10-14 | 2438251 | 1963-08-09 | 66 | SVO |
| -2 | 8.6 | 2438743 | 1964-12-13 | 2438675 | 1964-10-06 | 68 | SVO |
| -1 | 8.1 | 2439166 | 1966-02-09 | 2439100 | 1965-12-05 | 66 | SVO |
| 0 | 8.5 | 2439595 | 1967-04-14 | 2439525 | 1967-02-03 | 70 | SVO |
| 1 | 7.8 | 2440020 | 1968-06-12 | 2439950 | 1968-04-03 | 70 | SVO |
| 2 | 7.9 | 2440449 | 1969-08-15 | 2440374 | 1969-06-01 | 75 | SVO |
| 3 | 8.7 | 2440870 | 1970-10-10 | 2440799 | 1970-07-31 | 71 | SVO |
| 4 | 8.4 | 2441296 | 1971-12-10 | 2441224 | 1971-09-29 | 72 | SVO |
| 5 | 7.5 | 2441694 | 1973-01-11 | 2441649 | 1972-11-27 | 45 | SVO |
| 6 | 7.6 | 2442120 | 1974-03-13 | 2442073 | 1974-01-25 | 47 | SVO |
| 7 | 8.4 | 2442546 | 1975-05-13 | 2442498 | 1975-03-26 | 48 | SVO |
| 8 | 8.4 | 2442968 | 1976-07-08 | 2442923 | 1976-05-24 | 45 | SVO |
| 9 | 8.8 | 2443398 | 1977-09-11 | 2443348 | 1977-07-23 | 50 | AAVSO |
| 10 | 8.7 | 2443795 | 1978-10-13 | 2443772 | 1978-09-20 | 23 | SVO |
| 11 | 8.2 | 2444211 | 1979-12-03 | 2444197 | 1979-11-19 | 14 | AAVSO |
| 12 | 7.3 | 2444618 | 1981-01-13 | 2444622 | 1981-01-17 | -4 | SVO |
| 13 | 7.7 | 2445044 | 1982-03-15 | 2445047 | 1982-03-18 | -3 | SVO |
| 14 | 7.6 | 2445466 | 1983-05-11 | 2445471 | 1983-05-16 | -5 | SVO |
| 15 | 8.3 | 2445900 | 1984-07-18 | 2445896 | 1984-07-14 | 4 | SVO |
| 16 | 8.3 | 2446331 | 1985-09-22 | 2446321 | 1985-09-12 | 10 | SVO |
| 17 | 7.3 | 2446739 | 1986-11-04 | 2446746 | 1986-11-11 | -7 | SVO |
| 18 | 7.5 | 2447165 | 1988-01-04 | 2447170 | 1988-01-09 | -5 | SVO |
| 19 | 2447588 | 1989-03-02 | 2447595 | 1989-03-09 | -7 | AAVSO | |
| 20 | 8.4 | 2447997 | 1990-04-15 | 2448020 | 1990-05-08 | -23 | SVO |
| 21 | 7.5 | 2448430 | 1991-06-22 | 2448445 | 1991-07-07 | -15 | SVO |
| 22 | 8.2 | 2448864 | 1992-08-29 | 2448869 | 1992-09-03 | -5 | SVO |
| 23 | 8.1 | 2449280 | 1993-10-19 | 2449294 | 1993-11-02 | -14 | SVO |
| 24 | 7.5 | 2449697 | 1994-12-10 | 2449719 | 1995-01-01 | -22 | SVO |
| 25 | 7.4 | 2450121 | 1996-02-07 | 2450144 | 1996-03-01 | -23 | SVO |
| 26 | 8.4 | 2450548 | 1997-04-09 | 2450568 | 1997-04-29 | -20 | SVO |
| 27 | 7.8 | 2450974 | 1998-06-09 | 2450993 | 1998-06-28 | -19 | SVO |
| 28 | 2451398 | 1999-08-07 | 2451418 | 1999-08-27 | -20 | AAVSO | |
| 29 | 2451824 | 2000-10-06 | 2451843 | 2000-10-25 | -19 | AAVSO | |
| 30 | 7.9 | 2452228 | 2001-11-14 | 2452267 | 2001-12-23 | -39 | SVO |
| 31 | 7.7 | 2452658 | 2003-01-18 | 2452692 | 2003-02-21 | -34 | SVO |
| 32 | 8.4 | 2453081 | 2004-03-16 | 2453117 | 2004-04-21 | -36 | SVO |
| 33 | 7.3 | 2453503 | 2005-05-12 | 2453542 | 2005-06-20 | -39 | SVO |
| 34 | 7.4 | 2453923 | 2006-07-06 | 2453966 | 2006-08-18 | -43 | SVO |
| 35 | 7.7 | 2454346 | 2007-09-02 | 2454391 | 2007-10-17 | -45 | SVO |
| 36 | 7.7 | 2454766 | 2008-10-26 | 2454816 | 2008-12-15 | -50 | SVO |
| 37 | 7.8 | 2455183 | 2009-12-17 | 2455241 | 2010-02-13 | -58 | AAVSO |
| 38 | 7.2 | 2455605 | 2011-02-12 | 2455665 | 2011-04-13 | -60 | SVO |
| 39 | 7.9 | 2456038 | 2012-04-20 | 2456090 | 2012-06-11 | -52 | SVO |
| 40 | 2456471 | 2013-06-27 | 2456515 | 2013-08-10 | -44 | AAVSO | |
| 41 | 7.9 | 2456887 | 2014-08-17 | 2456940 | 2014-10-09 | -53 | SVO |
| 42 | 7.4 | 2457326 | 2015-10-30 | 2457364 | 2015-12-07 | -38 | SVO |
| 43 | 8.7 | 2457761 | 2017-01-07 | 2457789 | 2017-02-04 | -28 | SVO |
| 44 | 8.2 | 2458206 | 2018-03-28 | 2458214 | 2018-04-05 | -8 | SVO |
| 45 | 7.6 | 2458617 | 2019-05-13 | 2458638 | 2019-06-03 | -21 | SVO |
| 46 | 7.5 | 2459050 | 2020-07-19 | 2459063 | 2020-08-01 | -13 | SVO |
| 47 | 7.6 | 2459467 | 2021-09-09 | 2459488 | 2021-09-30 | -21 | SVO |
| 48 | 7.3 | 2459890 | 2022-11-06 | 2459913 | 2022-11-29 | -23 | SVO |
| 49 | 6.9 | 2460305 | 2023-12-26 | 2460337 | 2024-01-27 | -32 | 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. |