| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -87 | 2415970 | 1902-08-08 | 2415975 | 1902-08-13 | -5 | AnHar, 1952, vol 118 | |
| -85 | 2416832 | 1904-12-17 | 2416835 | 1904-12-20 | -3 | AnHar, 1909, vol 55, p 95 | |
| -84 | 2417247 | 1906-02-05 | 2417265 | 1906-02-23 | -18 | AnHar, 1909, vol 55, p 95 | |
| -83 | 2417702 | 1907-05-06 | 2417695 | 1907-04-29 | 7 | GuL, 1918, 1.1 | |
| -82 | 2418104 | 1908-06-11 | 2418125 | 1908-07-02 | -21 | AAVSO | |
| -81 | 8.5 | 2418541 | 1909-08-22 | 2418555 | 1909-09-05 | -14 | AAVSO |
| -80 | 8.5 | 2418988 | 1910-11-12 | 2418985 | 1910-11-09 | 3 | AAVSO |
| -79 | 9.3 | 2419405 | 1912-01-03 | 2419415 | 1912-01-13 | -10 | SVO |
| -78 | 9.3 | 2419832 | 1913-03-05 | 2419845 | 1913-03-18 | -13 | AAVSO |
| -77 | 2420268 | 1914-05-15 | 2420275 | 1914-05-22 | -7 | AAVSO | |
| -76 | 2420680 | 1915-07-01 | 2420705 | 1915-07-26 | -25 | AAVSO | |
| -75 | 8.0 | 2421116 | 1916-09-09 | 2421135 | 1916-09-28 | -19 | SVO |
| -74 | 10.1 | 2421547 | 1917-11-14 | 2421565 | 1917-12-02 | -18 | SVO |
| -73 | 8.2 | 2422006 | 1919-02-16 | 2421995 | 1919-02-05 | 11 | AAVSO |
| -72 | 8.5 | 2422413 | 1920-03-29 | 2422425 | 1920-04-10 | -12 | AAVSO |
| -71 | 9.4 | 2422880 | 1921-07-09 | 2422855 | 1921-06-14 | 25 | SVO |
| -70 | 8.4 | 2423279 | 1922-08-12 | 2423285 | 1922-08-18 | -6 | SVO |
| -69 | 8.4 | 2423709 | 1923-10-16 | 2423715 | 1923-10-22 | -6 | SVO |
| -68 | 8.4 | 2424137 | 1924-12-17 | 2424145 | 1924-12-25 | -8 | SVO |
| -67 | 8.2 | 2424565 | 1926-02-18 | 2424575 | 1926-02-28 | -10 | SVO |
| -66 | 8.5 | 2425007 | 1927-05-06 | 2425005 | 1927-05-04 | 2 | SVO |
| -65 | 9.7 | 2425448 | 1928-07-20 | 2425435 | 1928-07-07 | 13 | SVO |
| -64 | 7.9 | 2425872 | 1929-09-17 | 2425865 | 1929-09-10 | 7 | SVO |
| -63 | 9.0 | 2426311 | 1930-11-30 | 2426295 | 1930-11-14 | 16 | SVO |
| -62 | 8.5 | 2426741 | 1932-02-03 | 2426725 | 1932-01-18 | 16 | SVO |
| -61 | 8.4 | 2427176 | 1933-04-13 | 2427155 | 1933-03-23 | 21 | SVO |
| -60 | 9.2 | 2427619 | 1934-06-30 | 2427585 | 1934-05-27 | 34 | SVO |
| -59 | 8.7 | 2428054 | 1935-09-08 | 2428015 | 1935-07-31 | 39 | SVO |
| -58 | 9.3 | 2428472 | 1936-10-30 | 2428445 | 1936-10-03 | 27 | SVO |
| -57 | 8.1 | 2428895 | 1937-12-27 | 2428875 | 1937-12-07 | 20 | SVO |
| -56 | 8.4 | 2429310 | 1939-02-15 | 2429305 | 1939-02-10 | 5 | SVO |
| -55 | 2429746 | 1940-04-26 | 2429734 | 1940-04-14 | 12 | AAVSO | |
| -54 | 2430168 | 1941-06-22 | 2430164 | 1941-06-18 | 4 | AAVSO | |
| -53 | 8.7 | 2430602 | 1942-08-30 | 2430594 | 1942-08-22 | 8 | SVO |
| -52 | 9.7 | 2431020 | 1943-10-22 | 2431024 | 1943-10-26 | -4 | SVO |
| -51 | 8.3 | 2431453 | 1944-12-28 | 2431454 | 1944-12-29 | -1 | SVO |
| -50 | 9.7 | 2431872 | 1946-02-20 | 2431884 | 1946-03-04 | -12 | AAVSO |
| -49 | 2432304 | 1947-04-28 | 2432314 | 1947-05-08 | -10 | AAVSO | |
| -48 | 7.9 | 2432730 | 1948-06-27 | 2432744 | 1948-07-11 | -14 | AAVSO |
| -47 | 9.4 | 2433167 | 1949-09-07 | 2433174 | 1949-09-14 | -7 | SVO |
| -46 | 8.4 | 2433593 | 1950-11-07 | 2433604 | 1950-11-18 | -11 | SVO |
| -45 | 9.0 | 2434012 | 1951-12-31 | 2434034 | 1952-01-22 | -22 | SVO |
| -44 | 8.4 | 2434437 | 1953-02-28 | 2434464 | 1953-03-27 | -27 | SVO |
| -43 | 2434876 | 1954-05-13 | 2434894 | 1954-05-31 | -18 | AAVSO | |
| -42 | 8.7 | 2435320 | 1955-07-31 | 2435324 | 1955-08-04 | -4 | SVO |
| -41 | 8.7 | 2435750 | 1956-10-03 | 2435754 | 1956-10-07 | -4 | SVO |
| -40 | 8.5 | 2436179 | 1957-12-06 | 2436184 | 1957-12-11 | -5 | SVO |
| -39 | 9.9 | 2436605 | 1959-02-05 | 2436614 | 1959-02-14 | -9 | AAVSO |
| -38 | 2437035 | 1960-04-10 | 2437044 | 1960-04-19 | -9 | AAVSO | |
| -37 | 8.8 | 2437464 | 1961-06-13 | 2437474 | 1961-06-23 | -10 | AAVSO |
| -36 | 9.4 | 2437886 | 1962-08-09 | 2437904 | 1962-08-27 | -18 | AAVSO |
| -35 | 8.7 | 2438327 | 1963-10-24 | 2438334 | 1963-10-31 | -7 | SVO |
| -34 | 8.5 | 2438757 | 1964-12-27 | 2438764 | 1965-01-03 | -7 | SVO |
| -33 | 9.1 | 2439195 | 1966-03-10 | 2439194 | 1966-03-09 | 1 | SVO |
| -32 | 8.7 | 2439634 | 1967-05-23 | 2439624 | 1967-05-13 | 10 | SVO |
| -31 | 10.9 | 2440055 | 1968-07-17 | 2440054 | 1968-07-16 | 1 | AAVSO |
| -30 | 8.8 | 2440472 | 1969-09-07 | 2440484 | 1969-09-19 | -12 | SVO |
| -29 | 11.2 | 2440922 | 1970-12-01 | 2440914 | 1970-11-23 | 8 | SVO |
| -28 | 8.9 | 2441346 | 1972-01-29 | 2441344 | 1972-01-27 | 2 | SVO |
| -27 | 9.4 | 2441782 | 1973-04-09 | 2441774 | 1973-04-01 | 8 | SVO |
| -26 | 8.1 | 2442203 | 1974-06-04 | 2442204 | 1974-06-05 | -1 | AAVSO |
| -25 | 10.0 | 2442656 | 1975-08-31 | 2442634 | 1975-08-09 | 22 | SVO |
| -24 | 8.3 | 2443070 | 1976-10-18 | 2443064 | 1976-10-12 | 6 | SVO |
| -23 | 10.0 | 2443522 | 1978-01-13 | 2443493 | 1977-12-15 | 29 | SVO |
| -22 | 9.4 | 2443946 | 1979-03-13 | 2443923 | 1979-02-18 | 23 | SVO |
| -21 | 8.6 | 2444376 | 1980-05-16 | 2444353 | 1980-04-23 | 23 | SVO |
| -20 | 11.0 | 2444813 | 1981-07-27 | 2444783 | 1981-06-27 | 30 | SVO |
| -19 | 9.5 | 2445244 | 1982-10-01 | 2445213 | 1982-08-31 | 31 | SVO |
| -18 | 9.4 | 2445664 | 1983-11-25 | 2445643 | 1983-11-04 | 21 | SVO |
| -17 | 9.5 | 2446104 | 1985-02-07 | 2446073 | 1985-01-07 | 31 | SVO |
| -16 | 8.8 | 2446526 | 1986-04-05 | 2446503 | 1986-03-13 | 23 | SVO |
| -15 | 9.6 | 2446954 | 1987-06-07 | 2446933 | 1987-05-17 | 21 | SVO |
| -14 | 8.6 | 2447387 | 1988-08-13 | 2447363 | 1988-07-20 | 24 | SVO |
| -13 | 10.1 | 2447804 | 1989-10-04 | 2447793 | 1989-09-23 | 11 | SVO |
| -12 | 8.8 | 2448228 | 1990-12-02 | 2448223 | 1990-11-27 | 5 | SVO |
| -11 | 9.6 | 2448663 | 1992-02-10 | 2448653 | 1992-01-31 | 10 | SVO |
| -10 | 8.5 | 2449087 | 1993-04-09 | 2449083 | 1993-04-05 | 4 | SVO |
| -9 | 2449514 | 1994-06-10 | 2449513 | 1994-06-09 | 1 | AAVSO | |
| -8 | 9.0 | 2449948 | 1995-08-18 | 2449943 | 1995-08-13 | 5 | SVO |
| -7 | 9.8 | 2450390 | 1996-11-02 | 2450373 | 1996-10-16 | 17 | SVO |
| -6 | 8.3 | 2450821 | 1998-01-07 | 2450803 | 1997-12-20 | 18 | SVO |
| -5 | 9.7 | 2451240 | 1999-03-02 | 2451233 | 1999-02-23 | 7 | SVO |
| -4 | 9.3 | 2451653 | 2000-04-18 | 2451663 | 2000-04-28 | -10 | SVO |
| -3 | 8.3 | 2452076 | 2001-06-15 | 2452093 | 2001-07-02 | -17 | SVO |
| -2 | 9.1 | 2452498 | 2002-08-11 | 2452523 | 2002-09-05 | -25 | SVO |
| -1 | 9.0 | 2452927 | 2003-10-14 | 2452953 | 2003-11-09 | -26 | SVO |
| 0 | 8.6 | 2453358 | 2004-12-18 | 2453383 | 2005-01-12 | -25 | SVO |
| 1 | 9.5 | 2453795 | 2006-02-28 | 2453813 | 2006-03-18 | -18 | SVO |
| 2 | 8.9 | 2454222 | 2007-05-01 | 2454243 | 2007-05-22 | -21 | SVO |
| 3 | 8.5 | 2454646 | 2008-06-28 | 2454673 | 2008-07-25 | -27 | SVO |
| 4 | 9.9 | 2455081 | 2009-09-06 | 2455103 | 2009-09-28 | -22 | SVO |
| 5 | 9.1 | 2455511 | 2010-11-10 | 2455533 | 2010-12-02 | -22 | SVO |
| 6 | 9.4 | 2455930 | 2012-01-03 | 2455963 | 2012-02-05 | -33 | SVO |
| 7 | 9.0 | 2456370 | 2013-03-18 | 2456393 | 2013-04-10 | -23 | SVO |
| 8 | 9.2 | 2456817 | 2014-06-08 | 2456823 | 2014-06-14 | -6 | SVO |
| 9 | 9.0 | 2457255 | 2015-08-20 | 2457252 | 2015-08-17 | 3 | SVO |
| 10 | 8.4 | 2457683 | 2016-10-21 | 2457682 | 2016-10-20 | 1 | SVO |
| 11 | 8.6 | 2458129 | 2018-01-10 | 2458112 | 2017-12-24 | 17 | SVO |
| 12 | 8.8 | 2458557 | 2019-03-14 | 2458542 | 2019-02-27 | 15 | SVO |
| 13 | 8.4 | 2458991 | 2020-05-21 | 2458972 | 2020-05-02 | 19 | SVO |
| 14 | 9.4 | 2459410 | 2021-07-14 | 2459402 | 2021-07-06 | 8 | SVO |
| 15 | 9.4 | 2459852 | 2022-09-29 | 2459832 | 2022-09-09 | 20 | 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. |