| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -58 | 2415105 | 1900-03-26 | 2415663 | 1901-10-05 | -558 | AnHar, 1909, vol 55, p 95 | |
| -56 | 2416130 | 1903-01-15 | 2416612 | 1904-05-11 | -482 | AnHar, 1909, vol 55, p 95 | |
| -55 | 2416633 | 1904-06-01 | 2417087 | 1905-08-29 | -454 | GuL, 1918, 1.1 | |
| -54 | 2417113 | 1905-09-24 | 2417561 | 1906-12-16 | -448 | AAVSO | |
| -53 | 2417614 | 1907-02-07 | 2418036 | 1908-04-04 | -422 | AAVSO | |
| -51 | 9.2 | 2418620 | 1909-11-09 | 2418985 | 1910-11-09 | -365 | AAVSO |
| -49 | 2419604 | 1912-07-20 | 2419934 | 1913-06-15 | -330 | AAVSO | |
| -47 | 2420604 | 1915-04-16 | 2420883 | 1916-01-20 | -279 | AAVSO | |
| -46 | 2421112 | 1916-09-05 | 2421357 | 1917-05-08 | -245 | AAVSO | |
| -45 | 2421620 | 1918-01-26 | 2421832 | 1918-08-26 | -212 | AAVSO | |
| -44 | 2422105 | 1919-05-26 | 2422306 | 1919-12-13 | -201 | AAVSO | |
| -43 | 9.5 | 2422606 | 1920-10-08 | 2422781 | 1921-04-01 | -175 | AAVSO |
| -42 | 10.9 | 2423116 | 1922-03-02 | 2423256 | 1922-07-20 | -140 | AAVSO |
| -41 | 2423614 | 1923-07-13 | 2423730 | 1923-11-06 | -116 | AAVSO | |
| -40 | 11.1 | 2424118 | 1924-11-28 | 2424205 | 1925-02-23 | -87 | SVO |
| -39 | 10.1 | 2424616 | 1926-04-10 | 2424679 | 1926-06-12 | -63 | AAVSO |
| -38 | 2425113 | 1927-08-20 | 2425154 | 1927-09-30 | -41 | AAVSO | |
| -37 | 10.0 | 2425637 | 1929-01-25 | 2425628 | 1929-01-16 | 9 | SVO |
| -36 | 2426132 | 1930-06-04 | 2426103 | 1930-05-06 | 29 | AAVSO | |
| -35 | 10.7 | 2426611 | 1931-09-26 | 2426577 | 1931-08-23 | 34 | AAVSO |
| -34 | 10.3 | 2427100 | 1933-01-27 | 2427052 | 1932-12-10 | 48 | SVO |
| -33 | 10.1 | 2427583 | 1934-05-25 | 2427526 | 1934-03-29 | 57 | SVO |
| -32 | 10.3 | 2428066 | 1935-09-20 | 2428001 | 1935-07-17 | 65 | AAVSO |
| -31 | 10.7 | 2428566 | 1937-02-01 | 2428475 | 1936-11-02 | 91 | SVO |
| -30 | 10.4 | 2429052 | 1938-06-02 | 2428950 | 1938-02-20 | 102 | SVO |
| -29 | 10.7 | 2429533 | 1939-09-26 | 2429425 | 1939-06-10 | 108 | AAVSO |
| -28 | 10.6 | 2430022 | 1941-01-27 | 2429899 | 1940-09-26 | 123 | SVO |
| -27 | 10.3 | 2430488 | 1942-05-08 | 2430374 | 1942-01-14 | 114 | SVO |
| -26 | 10.6 | 2430977 | 1943-09-09 | 2430848 | 1943-05-03 | 129 | AAVSO |
| -25 | 10.5 | 2431474 | 1945-01-18 | 2431323 | 1944-08-20 | 151 | AAVSO |
| -24 | 10.0 | 2431952 | 1946-05-11 | 2431797 | 1945-12-07 | 155 | AAVSO |
| -22 | 11.3 | 2432939 | 1949-01-22 | 2432746 | 1948-07-13 | 193 | SVO |
| -21 | 10.0 | 2433415 | 1950-05-13 | 2433221 | 1949-10-31 | 194 | AAVSO |
| -20 | 12.1 | 2433918 | 1951-09-28 | 2433695 | 1951-02-17 | 223 | AAVSO |
| -19 | 10.4 | 2434398 | 1953-01-20 | 2434170 | 1952-06-06 | 228 | SVO |
| -18 | 2434881 | 1954-05-18 | 2434644 | 1953-09-23 | 237 | AAVSO | |
| -17 | 12.2 | 2435380 | 1955-09-29 | 2435119 | 1955-01-11 | 261 | AAVSO |
| -16 | 11.0 | 2435870 | 1957-01-31 | 2435593 | 1956-04-29 | 277 | SVO |
| -15 | 2436339 | 1958-05-15 | 2436068 | 1957-08-17 | 271 | AAVSO | |
| -14 | 10.7 | 2436836 | 1959-09-24 | 2436543 | 1958-12-05 | 293 | AAVSO |
| -13 | 9.9 | 2437308 | 1961-01-08 | 2437017 | 1960-03-23 | 291 | SVO |
| -12 | 10.3 | 2437791 | 1962-05-06 | 2437492 | 1961-07-11 | 299 | AAVSO |
| -11 | 11.3 | 2438276 | 1963-09-03 | 2437966 | 1962-10-28 | 310 | AAVSO |
| -10 | 10.2 | 2438762 | 1965-01-01 | 2438441 | 1964-02-15 | 321 | SVO |
| -9 | 9.7 | 2439221 | 1966-04-05 | 2438915 | 1965-06-03 | 306 | SVO |
| -8 | 2439693 | 1967-07-21 | 2439390 | 1966-09-21 | 303 | AAVSO | |
| -7 | 9.8 | 2440167 | 1968-11-06 | 2439864 | 1968-01-08 | 303 | SVO |
| -6 | 11.2 | 2440631 | 1970-02-13 | 2440339 | 1969-04-27 | 292 | AAVSO |
| -5 | 2441104 | 1971-06-01 | 2440813 | 1970-08-14 | 291 | AAVSO | |
| -4 | 2441542 | 1972-08-12 | 2441288 | 1971-12-02 | 254 | AAVSO | |
| -3 | 10.3 | 2442036 | 1973-12-19 | 2441762 | 1973-03-20 | 274 | SVO |
| -2 | 10.8 | 2442501 | 1975-03-29 | 2442237 | 1974-07-08 | 264 | SVO |
| -1 | 10.6 | 2442973 | 1976-07-13 | 2442712 | 1975-10-26 | 261 | AAVSO |
| 0 | 11.6 | 2443432 | 1977-10-15 | 2443186 | 1977-02-11 | 246 | SVO |
| 1 | 10.8 | 2443872 | 1978-12-29 | 2443661 | 1978-06-01 | 211 | SVO |
| 2 | 10.3 | 2444341 | 1980-04-11 | 2444135 | 1979-09-18 | 206 | AAVSO |
| 3 | 10.9 | 2444822 | 1981-08-05 | 2444610 | 1981-01-05 | 212 | AAVSO |
| 4 | 10.3 | 2445265 | 1982-10-22 | 2445084 | 1982-04-24 | 181 | AAVSO |
| 5 | 10.4 | 2445722 | 1984-01-22 | 2445559 | 1983-08-12 | 163 | SVO |
| 6 | 10.1 | 2446188 | 1985-05-02 | 2446033 | 1984-11-28 | 155 | SVO |
| 7 | 10.6 | 2446664 | 1986-08-21 | 2446508 | 1986-03-18 | 156 | SVO |
| 8 | 9.9 | 2447126 | 1987-11-26 | 2446982 | 1987-07-05 | 144 | SVO |
| 9 | 11.2 | 2447576 | 1989-02-18 | 2447457 | 1988-10-22 | 119 | SVO |
| 10 | 10.3 | 2448047 | 1990-06-04 | 2447931 | 1990-02-08 | 116 | SVO |
| 11 | 2448529 | 1991-09-29 | 2448406 | 1991-05-29 | 123 | AAVSO | |
| 12 | 10.3 | 2448969 | 1992-12-12 | 2448880 | 1992-09-14 | 89 | SVO |
| 13 | 10.5 | 2449437 | 1994-03-25 | 2449355 | 1994-01-02 | 82 | SVO |
| 14 | 10.6 | 2449913 | 1995-07-14 | 2449830 | 1995-04-22 | 83 | SVO |
| 15 | 10.3 | 2450352 | 1996-09-25 | 2450304 | 1996-08-08 | 48 | SVO |
| 16 | 11.1 | 2450811 | 1997-12-28 | 2450779 | 1997-11-26 | 32 | SVO |
| 17 | 11.0 | 2451280 | 1999-04-11 | 2451253 | 1999-03-15 | 27 | SVO |
| 18 | 10.1 | 2451685 | 2000-05-20 | 2451728 | 2000-07-02 | -43 | SVO |
| 19 | 11.2 | 2452176 | 2001-09-23 | 2452202 | 2001-10-19 | -26 | SVO |
| 20 | 10.9 | 2452618 | 2002-12-09 | 2452677 | 2003-02-06 | -59 | SVO |
| 21 | 10.3 | 2453060 | 2004-02-24 | 2453151 | 2004-05-25 | -91 | SVO |
| 22 | 10.7 | 2453503 | 2005-05-12 | 2453626 | 2005-09-12 | -123 | SVO |
| 23 | 2453942 | 2006-07-25 | 2454100 | 2006-12-30 | -158 | AAVSO | |
| 24 | 10.5 | 2454399 | 2007-10-25 | 2454575 | 2008-04-18 | -176 | SVO |
| 25 | 10.4 | 2454835 | 2009-01-03 | 2455049 | 2009-08-05 | -214 | SVO |
| 26 | 10.5 | 2455276 | 2010-03-20 | 2455524 | 2010-11-23 | -248 | SVO |
| 27 | 10.6 | 2455740 | 2011-06-27 | 2455999 | 2012-03-12 | -259 | SVO |
| 28 | 10.8 | 2456174 | 2012-09-03 | 2456473 | 2013-06-29 | -299 | SVO |
| 29 | 10.3 | 2456633 | 2013-12-06 | 2456948 | 2014-10-17 | -315 | SVO |
| 30 | 10.4 | 2457080 | 2015-02-26 | 2457422 | 2016-02-03 | -342 | SVO |
| 31 | 10.4 | 2457522 | 2016-05-13 | 2457897 | 2017-05-23 | -375 | SVO |
| 32 | 10.2 | 2457972 | 2017-08-06 | 2458371 | 2018-09-09 | -399 | SVO |
| 33 | 10.8 | 2458439 | 2018-11-16 | 2458846 | 2019-12-28 | -407 | SVO |
| 34 | 10.1 | 2458880 | 2020-01-31 | 2459320 | 2021-04-15 | -440 | SVO |
| 35 | 10.2 | 2459336 | 2021-05-01 | 2459795 | 2022-08-03 | -459 | SVO |
| 36 | 10.1 | 2459765 | 2022-07-04 | 2460269 | 2023-11-20 | -504 | 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. |