| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -78 | 2414700 | 1899-02-14 | 2415084 | 1900-03-05 | -384 | SVO | |
| -76 | 2415735 | 1901-12-16 | 2416116 | 1903-01-01 | -381 | SVO | |
| -75 | 2416235 | 1903-04-30 | 2416633 | 1904-06-01 | -398 | SVO | |
| -74 | 2416770 | 1904-10-16 | 2417149 | 1905-10-30 | -379 | SVO | |
| -73 | 2417280 | 1906-03-10 | 2417665 | 1907-03-30 | -385 | SVO | |
| -72 | 9.3 | 2417817 | 1907-08-29 | 2418181 | 1908-08-27 | -364 | AAVSO |
| -71 | 2418331 | 1909-01-24 | 2418698 | 1910-01-26 | -367 | AAVSO | |
| -70 | 2418842 | 1910-06-19 | 2419214 | 1911-06-26 | -372 | AAVSO | |
| -69 | 2419330 | 1911-10-20 | 2419730 | 1912-11-23 | -400 | SVO | |
| -68 | 9.6 | 2419850 | 1913-03-23 | 2420247 | 1914-04-24 | -397 | SVO |
| -67 | 9.9 | 2420355 | 1914-08-10 | 2420763 | 1915-09-22 | -408 | SVO |
| -66 | 9.2 | 2420869 | 1916-01-06 | 2421279 | 1917-02-19 | -410 | SVO |
| -65 | 10.7 | 2421390 | 1917-06-10 | 2421796 | 1918-07-21 | -406 | SVO |
| -64 | 9.7 | 2421900 | 1918-11-02 | 2422312 | 1919-12-19 | -412 | SVO |
| -63 | 10.1 | 2422425 | 1920-04-10 | 2422828 | 1921-05-18 | -403 | SVO |
| -62 | 10.0 | 2422954 | 1921-09-21 | 2423344 | 1922-10-16 | -390 | SVO |
| -61 | 10.4 | 2423492 | 1923-03-13 | 2423861 | 1924-03-16 | -369 | SVO |
| -60 | 10.4 | 2424016 | 1924-08-18 | 2424377 | 1925-08-14 | -361 | SVO |
| -59 | 9.8 | 2424536 | 1926-01-20 | 2424893 | 1927-01-12 | -357 | SVO |
| -58 | 10.0 | 2425057 | 1927-06-25 | 2425410 | 1928-06-12 | -353 | SVO |
| -57 | 10.6 | 2425593 | 1928-12-12 | 2425926 | 1929-11-10 | -333 | SVO |
| -56 | 9.9 | 2426126 | 1930-05-29 | 2426442 | 1931-04-10 | -316 | SVO |
| -55 | 9.8 | 2426645 | 1931-10-30 | 2426959 | 1932-09-08 | -314 | SVO |
| -54 | 10.3 | 2427175 | 1933-04-12 | 2427475 | 1934-02-06 | -300 | SVO |
| -53 | 9.9 | 2427695 | 1934-09-14 | 2427991 | 1935-07-07 | -296 | SVO |
| -52 | 10.4 | 2428204 | 1936-02-05 | 2428507 | 1936-12-04 | -303 | SVO |
| -51 | 10.0 | 2428722 | 1937-07-07 | 2429024 | 1938-05-05 | -302 | SVO |
| -50 | 10.1 | 2429251 | 1938-12-18 | 2429540 | 1939-10-03 | -289 | SVO |
| -49 | 9.4 | 2429774 | 1940-05-24 | 2430056 | 1941-03-02 | -282 | SVO |
| -48 | 10.4 | 2430296 | 1941-10-28 | 2430573 | 1942-08-01 | -277 | SVO |
| -47 | 9.3 | 2430823 | 1943-04-08 | 2431089 | 1943-12-30 | -266 | SVO |
| -46 | 10.4 | 2431354 | 1944-09-20 | 2431605 | 1945-05-29 | -251 | SVO |
| -45 | 8.6 | 2431868 | 1946-02-16 | 2432122 | 1946-10-28 | -254 | SVO |
| -44 | 10.0 | 2432403 | 1947-08-05 | 2432638 | 1948-03-27 | -235 | AAVSO |
| -43 | 10.2 | 2432920 | 1949-01-03 | 2433154 | 1949-08-25 | -234 | SVO |
| -42 | 9.5 | 2433462 | 1950-06-29 | 2433670 | 1951-01-23 | -208 | SVO |
| -41 | 10.3 | 2433992 | 1951-12-11 | 2434187 | 1952-06-23 | -195 | SVO |
| -40 | 9.6 | 2434526 | 1953-05-28 | 2434703 | 1953-11-21 | -177 | SVO |
| -39 | 9.3 | 2435049 | 1954-11-02 | 2435219 | 1955-04-21 | -170 | SVO |
| -38 | 9.6 | 2435564 | 1956-03-31 | 2435736 | 1956-09-19 | -172 | SVO |
| -37 | 9.1 | 2436091 | 1957-09-09 | 2436252 | 1958-02-17 | -161 | SVO |
| -36 | 9.5 | 2436606 | 1959-02-06 | 2436768 | 1959-07-18 | -162 | SVO |
| -35 | 2437147 | 1960-07-31 | 2437285 | 1960-12-16 | -138 | AAVSO | |
| -34 | 9.7 | 2437667 | 1962-01-02 | 2437801 | 1962-05-16 | -134 | SVO |
| -33 | 8.9 | 2438183 | 1963-06-02 | 2438317 | 1963-10-14 | -134 | SVO |
| -32 | 9.7 | 2438706 | 1964-11-06 | 2438833 | 1965-03-13 | -127 | SVO |
| -31 | 9.5 | 2439229 | 1966-04-13 | 2439350 | 1966-08-12 | -121 | SVO |
| -30 | 9.2 | 2439759 | 1967-09-25 | 2439866 | 1968-01-10 | -107 | SVO |
| -29 | 9.3 | 2440290 | 1969-03-09 | 2440382 | 1969-06-09 | -92 | SVO |
| -28 | 9.5 | 2440808 | 1970-08-09 | 2440899 | 1970-11-08 | -91 | SVO |
| -27 | 8.7 | 2441326 | 1972-01-09 | 2441415 | 1972-04-07 | -89 | SVO |
| -26 | 9.2 | 2441853 | 1973-06-19 | 2441931 | 1973-09-05 | -78 | SVO |
| -25 | 9.1 | 2442380 | 1974-11-28 | 2442448 | 1975-02-04 | -68 | SVO |
| -24 | 9.1 | 2442888 | 1976-04-19 | 2442964 | 1976-07-04 | -76 | SVO |
| -23 | 8.4 | 2443396 | 1977-09-09 | 2443480 | 1977-12-02 | -84 | SVO |
| -22 | 9.7 | 2443922 | 1979-02-17 | 2443996 | 1979-05-02 | -74 | SVO |
| -21 | 8.9 | 2444452 | 1980-07-31 | 2444513 | 1980-09-30 | -61 | SVO |
| -20 | 9.5 | 2444974 | 1982-01-04 | 2445029 | 1982-02-28 | -55 | SVO |
| -19 | 8.9 | 2445489 | 1983-06-03 | 2445545 | 1983-07-29 | -56 | SVO |
| -18 | 8.3 | 2446010 | 1984-11-05 | 2446062 | 1984-12-27 | -52 | SVO |
| -17 | 9.2 | 2446536 | 1986-04-15 | 2446578 | 1986-05-27 | -42 | SVO |
| -16 | 8.9 | 2447055 | 1987-09-16 | 2447094 | 1987-10-25 | -39 | SVO |
| -15 | 8.8 | 2447578 | 1989-02-20 | 2447611 | 1989-03-25 | -33 | SVO |
| -14 | 8.7 | 2448104 | 1990-07-31 | 2448127 | 1990-08-23 | -23 | SVO |
| -13 | 9.4 | 2448626 | 1992-01-04 | 2448643 | 1992-01-21 | -17 | SVO |
| -12 | 9.0 | 2449145 | 1993-06-06 | 2449159 | 1993-06-20 | -14 | SVO |
| -11 | 9.4 | 2449674 | 1994-11-17 | 2449676 | 1994-11-19 | -2 | SVO |
| -10 | 8.8 | 2450189 | 1996-04-15 | 2450192 | 1996-04-18 | -3 | SVO |
| -9 | 9.4 | 2450717 | 1997-09-25 | 2450708 | 1997-09-16 | 9 | SVO |
| -8 | 9.1 | 2451238 | 1999-02-28 | 2451225 | 1999-02-15 | 13 | SVO |
| -7 | 9.6 | 2451769 | 2000-08-12 | 2451741 | 2000-07-15 | 28 | SVO |
| -6 | 9.4 | 2452280 | 2002-01-05 | 2452257 | 2001-12-13 | 23 | SVO |
| -5 | 8.4 | 2452785 | 2003-05-25 | 2452774 | 2003-05-14 | 11 | SVO |
| -4 | 10.0 | 2453316 | 2004-11-06 | 2453290 | 2004-10-11 | 26 | SVO |
| -3 | 9.6 | 2453827 | 2006-04-01 | 2453806 | 2006-03-11 | 21 | SVO |
| -2 | 9.2 | 2454334 | 2007-08-21 | 2454322 | 2007-08-09 | 12 | SVO |
| -1 | 8.5 | 2454848 | 2009-01-16 | 2454839 | 2009-01-07 | 9 | SVO |
| 0 | 9.3 | 2455374 | 2010-06-26 | 2455355 | 2010-06-07 | 19 | SVO |
| 1 | 9.6 | 2455899 | 2011-12-03 | 2455871 | 2011-11-05 | 28 | SVO |
| 2 | 9.6 | 2456416 | 2013-05-03 | 2456388 | 2013-04-05 | 28 | SVO |
| 3 | 9.1 | 2456936 | 2014-10-05 | 2456904 | 2014-09-03 | 32 | SVO |
| 4 | 8.8 | 2457453 | 2016-03-05 | 2457420 | 2016-02-01 | 33 | SVO |
| 5 | 9.3 | 2457994 | 2017-08-28 | 2457937 | 2017-07-02 | 57 | SVO |
| 6 | 9.0 | 2458515 | 2019-01-31 | 2458453 | 2018-11-30 | 62 | SVO |
| 7 | 8.3 | 2459038 | 2020-07-07 | 2458969 | 2020-04-29 | 69 | SVO |
| 8 | 8.9 | 2459566 | 2021-12-17 | 2459485 | 2021-09-27 | 81 | 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. |