| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -68 | 2410580 | 1887-11-04 | 2410491 | 1887-08-07 | 89 | TvOC, 1910, vol 5, p 40 | |
| -66 | 2411418 | 1890-02-19 | 2411347 | 1889-12-10 | 71 | TvOC, 1910, vol 5, p 40 | |
| -62 | 2413148 | 1894-11-15 | 2413059 | 1894-08-18 | 89 | AnHar, 1909, vol 55, p 95 | |
| -61 | 2413592 | 1896-02-02 | 2413487 | 1895-10-20 | 105 | AnHar, 1909, vol 55, p 95 | |
| -60 | 2414033 | 1897-04-18 | 2413915 | 1896-12-21 | 118 | AnHar, 1909, vol 55, p 95 | |
| -58 | 7.7 | 2414874 | 1899-08-07 | 2414771 | 1899-04-26 | 103 | SVO |
| -57 | 7.3 | 2415284 | 1900-09-21 | 2415199 | 1900-06-28 | 85 | SVO |
| -56 | 8.7 | 2415709 | 1901-11-20 | 2415627 | 1901-08-30 | 82 | SVO |
| -55 | 7.2 | 2416139 | 1903-01-24 | 2416055 | 1902-11-01 | 84 | SVO |
| -53 | 8.6 | 2416983 | 1905-05-17 | 2416911 | 1905-03-06 | 72 | SVO |
| -51 | 7.9 | 2417830 | 1907-09-11 | 2417767 | 1907-07-10 | 63 | SVO |
| -50 | 2418260 | 1908-11-14 | 2418195 | 1908-09-10 | 65 | SVO | |
| -49 | 2418685 | 1910-01-13 | 2418623 | 1909-11-12 | 62 | SVO | |
| -47 | 7.9 | 2419543 | 1912-05-20 | 2419479 | 1912-03-17 | 64 | SVO |
| -46 | 2419970 | 1913-07-21 | 2419907 | 1913-05-19 | 63 | SVO | |
| -45 | 2420390 | 1914-09-14 | 2420335 | 1914-07-21 | 55 | SVO | |
| -44 | 7.7 | 2420819 | 1915-11-17 | 2420763 | 1915-09-22 | 56 | SVO |
| -43 | 2421238 | 1917-01-09 | 2421191 | 1916-11-23 | 47 | SVO | |
| -42 | 8.1 | 2421660 | 1918-03-07 | 2421619 | 1918-01-25 | 41 | SVO |
| -41 | 8.1 | 2422092 | 1919-05-13 | 2422047 | 1919-03-29 | 45 | SVO |
| -39 | 9.0 | 2422943 | 1921-09-10 | 2422903 | 1921-08-01 | 40 | AAVSO |
| -38 | 8.2 | 2423345 | 1922-10-17 | 2423331 | 1922-10-03 | 14 | AAVSO |
| -37 | 7.8 | 2423776 | 1923-12-22 | 2423759 | 1923-12-05 | 17 | SVO |
| -36 | 7.4 | 2424201 | 1925-02-19 | 2424187 | 1925-02-05 | 14 | SVO |
| -35 | 8.6 | 2424622 | 1926-04-16 | 2424615 | 1926-04-09 | 7 | SVO |
| -34 | 8.0 | 2425047 | 1927-06-15 | 2425043 | 1927-06-11 | 4 | SVO |
| -33 | 8.0 | 2425475 | 1928-08-16 | 2425471 | 1928-08-12 | 4 | AAVSO |
| -32 | 8.2 | 2425920 | 1929-11-04 | 2425899 | 1929-10-14 | 21 | SVO |
| -31 | 7.5 | 2426339 | 1930-12-28 | 2426327 | 1930-12-16 | 12 | SVO |
| -30 | 7.9 | 2426782 | 1932-03-15 | 2426755 | 1932-02-17 | 27 | SVO |
| -29 | 8.4 | 2427212 | 1933-05-19 | 2427183 | 1933-04-20 | 29 | SVO |
| -28 | 7.9 | 2427642 | 1934-07-23 | 2427611 | 1934-06-22 | 31 | SVO |
| -27 | 8.2 | 2428068 | 1935-09-22 | 2428039 | 1935-08-24 | 29 | SVO |
| -26 | 7.9 | 2428481 | 1936-11-08 | 2428467 | 1936-10-25 | 14 | SVO |
| -25 | 8.0 | 2428903 | 1938-01-04 | 2428895 | 1937-12-27 | 8 | SVO |
| -24 | 8.0 | 2429331 | 1939-03-08 | 2429323 | 1939-02-28 | 8 | SVO |
| -23 | 7.7 | 2429757 | 1940-05-07 | 2429751 | 1940-05-01 | 6 | SVO |
| -22 | 8.5 | 2430186 | 1941-07-10 | 2430179 | 1941-07-03 | 7 | SVO |
| -21 | 8.3 | 2430599 | 1942-08-27 | 2430607 | 1942-09-04 | -8 | AAVSO |
| -20 | 8.6 | 2431051 | 1943-11-22 | 2431035 | 1943-11-06 | 16 | SVO |
| -19 | 7.8 | 2431478 | 1945-01-22 | 2431463 | 1945-01-07 | 15 | SVO |
| -18 | 8.2 | 2431902 | 1946-03-22 | 2431891 | 1946-03-11 | 11 | SVO |
| -17 | 8.0 | 2432329 | 1947-05-23 | 2432319 | 1947-05-13 | 10 | SVO |
| -16 | 8.9 | 2432771 | 1948-08-07 | 2432747 | 1948-07-14 | 24 | SVO |
| -15 | 7.6 | 2433197 | 1949-10-07 | 2433175 | 1949-09-15 | 22 | SVO |
| -14 | 8.9 | 2433628 | 1950-12-12 | 2433603 | 1950-11-17 | 25 | SVO |
| -13 | 7.8 | 2434050 | 1952-02-07 | 2434031 | 1952-01-19 | 19 | SVO |
| -12 | 8.0 | 2434474 | 1953-04-06 | 2434459 | 1953-03-22 | 15 | SVO |
| -11 | 7.2 | 2434913 | 1954-06-19 | 2434887 | 1954-05-24 | 26 | SVO |
| -10 | 8.9 | 2435346 | 1955-08-26 | 2435315 | 1955-07-26 | 31 | SVO |
| -9 | 7.9 | 2435784 | 1956-11-06 | 2435743 | 1956-09-26 | 41 | SVO |
| -8 | 8.8 | 2436207 | 1958-01-03 | 2436171 | 1957-11-28 | 36 | SVO |
| -7 | 7.7 | 2436632 | 1959-03-04 | 2436599 | 1959-01-30 | 33 | SVO |
| -6 | 8.0 | 2437044 | 1960-04-19 | 2437027 | 1960-04-02 | 17 | SVO |
| -5 | 8.3 | 2437478 | 1961-06-27 | 2437455 | 1961-06-04 | 23 | SVO |
| -4 | 7.4 | 2437893 | 1962-08-16 | 2437883 | 1962-08-06 | 10 | SVO |
| -3 | 7.8 | 2438317 | 1963-10-14 | 2438311 | 1963-10-08 | 6 | SVO |
| -2 | 8.6 | 2438743 | 1964-12-13 | 2438739 | 1964-12-09 | 4 | SVO |
| -1 | 8.1 | 2439166 | 1966-02-09 | 2439167 | 1966-02-10 | -1 | SVO |
| 0 | 8.5 | 2439595 | 1967-04-14 | 2439595 | 1967-04-14 | 0 | SVO |
| 1 | 7.8 | 2440020 | 1968-06-12 | 2440023 | 1968-06-15 | -3 | SVO |
| 2 | 7.9 | 2440449 | 1969-08-15 | 2440451 | 1969-08-17 | -2 | SVO |
| 3 | 8.7 | 2440870 | 1970-10-10 | 2440879 | 1970-10-19 | -9 | SVO |
| 4 | 8.4 | 2441296 | 1971-12-10 | 2441307 | 1971-12-21 | -11 | SVO |
| 5 | 7.5 | 2441694 | 1973-01-11 | 2441735 | 1973-02-21 | -41 | SVO |
| 6 | 7.6 | 2442120 | 1974-03-13 | 2442163 | 1974-04-25 | -43 | SVO |
| 7 | 8.4 | 2442546 | 1975-05-13 | 2442591 | 1975-06-27 | -45 | SVO |
| 8 | 8.4 | 2442968 | 1976-07-08 | 2443019 | 1976-08-28 | -51 | SVO |
| 9 | 8.8 | 2443398 | 1977-09-11 | 2443447 | 1977-10-30 | -49 | AAVSO |
| 10 | 8.7 | 2443795 | 1978-10-13 | 2443875 | 1979-01-01 | -80 | SVO |
| 11 | 8.2 | 2444211 | 1979-12-03 | 2444303 | 1980-03-04 | -92 | AAVSO |
| 12 | 7.3 | 2444618 | 1981-01-13 | 2444731 | 1981-05-06 | -113 | SVO |
| 13 | 7.7 | 2445044 | 1982-03-15 | 2445159 | 1982-07-08 | -115 | SVO |
| 14 | 7.6 | 2445466 | 1983-05-11 | 2445587 | 1983-09-09 | -121 | SVO |
| 15 | 8.3 | 2445900 | 1984-07-18 | 2446015 | 1984-11-10 | -115 | SVO |
| 16 | 8.3 | 2446331 | 1985-09-22 | 2446443 | 1986-01-12 | -112 | SVO |
| 17 | 7.3 | 2446739 | 1986-11-04 | 2446871 | 1987-03-16 | -132 | SVO |
| 18 | 7.5 | 2447165 | 1988-01-04 | 2447299 | 1988-05-17 | -134 | SVO |
| 19 | 2447588 | 1989-03-02 | 2447727 | 1989-07-19 | -139 | AAVSO | |
| 20 | 8.4 | 2447997 | 1990-04-15 | 2448155 | 1990-09-20 | -158 | SVO |
| 21 | 7.5 | 2448430 | 1991-06-22 | 2448583 | 1991-11-22 | -153 | SVO |
| 22 | 8.2 | 2448864 | 1992-08-29 | 2449011 | 1993-01-23 | -147 | SVO |
| 23 | 8.1 | 2449280 | 1993-10-19 | 2449439 | 1994-03-27 | -159 | SVO |
| 24 | 7.5 | 2449697 | 1994-12-10 | 2449867 | 1995-05-29 | -170 | SVO |
| 25 | 7.4 | 2450121 | 1996-02-07 | 2450295 | 1996-07-30 | -174 | SVO |
| 26 | 8.4 | 2450548 | 1997-04-09 | 2450723 | 1997-10-01 | -175 | SVO |
| 27 | 7.8 | 2450974 | 1998-06-09 | 2451151 | 1998-12-03 | -177 | SVO |
| 28 | 2451398 | 1999-08-07 | 2451579 | 2000-02-04 | -181 | AAVSO | |
| 29 | 2451824 | 2000-10-06 | 2452007 | 2001-04-07 | -183 | AAVSO | |
| 30 | 7.9 | 2452228 | 2001-11-14 | 2452435 | 2002-06-09 | -207 | SVO |
| 31 | 7.7 | 2452658 | 2003-01-18 | 2452863 | 2003-08-11 | -205 | SVO |
| 32 | 8.4 | 2453081 | 2004-03-16 | 2453291 | 2004-10-12 | -210 | SVO |
| 33 | 7.3 | 2453503 | 2005-05-12 | 2453719 | 2005-12-14 | -216 | SVO |
| 34 | 7.4 | 2453923 | 2006-07-06 | 2454147 | 2007-02-15 | -224 | SVO |
| 35 | 7.7 | 2454346 | 2007-09-02 | 2454575 | 2008-04-18 | -229 | SVO |
| 36 | 7.7 | 2454766 | 2008-10-26 | 2455003 | 2009-06-20 | -237 | SVO |
| 37 | 7.8 | 2455183 | 2009-12-17 | 2455431 | 2010-08-22 | -248 | AAVSO |
| 38 | 7.2 | 2455605 | 2011-02-12 | 2455859 | 2011-10-24 | -254 | SVO |
| 39 | 7.9 | 2456038 | 2012-04-20 | 2456287 | 2012-12-25 | -249 | SVO |
| 40 | 2456471 | 2013-06-27 | 2456715 | 2014-02-26 | -244 | AAVSO | |
| 41 | 7.9 | 2456887 | 2014-08-17 | 2457143 | 2015-04-30 | -256 | SVO |
| 42 | 7.4 | 2457326 | 2015-10-30 | 2457571 | 2016-07-01 | -245 | SVO |
| 43 | 8.7 | 2457761 | 2017-01-07 | 2457999 | 2017-09-02 | -238 | SVO |
| 44 | 8.2 | 2458206 | 2018-03-28 | 2458427 | 2018-11-04 | -221 | SVO |
| 45 | 7.6 | 2458617 | 2019-05-13 | 2458855 | 2020-01-06 | -238 | SVO |
| 46 | 7.5 | 2459050 | 2020-07-19 | 2459283 | 2021-03-09 | -233 | SVO |
| 47 | 7.6 | 2459467 | 2021-09-09 | 2459711 | 2022-05-11 | -244 | SVO |
| 48 | 7.3 | 2459890 | 2022-11-06 | 2460139 | 2023-07-13 | -249 | 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. |