| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -72 | 2413662 | 1896-04-12 | 2413723 | 1896-06-12 | -61 | BHaro, 1924, no 808, p 3 | |
| -71 | 2414110 | 1897-07-04 | 2414160 | 1897-08-23 | -50 | BHaro, 1924, no 808, p 3 | |
| -70 | 2414550 | 1898-09-17 | 2414597 | 1898-11-03 | -47 | BHaro, 1924, no 808, p 3 | |
| -69 | 2414982 | 1899-11-23 | 2415035 | 1900-01-15 | -53 | BHaro, 1924, no 808, p 3 | |
| -66 | 2416330 | 1903-08-03 | 2416347 | 1903-08-20 | -17 | AnHar, 1952, vol 118 | |
| -61 | 2418492 | 1909-07-04 | 2418535 | 1909-08-16 | -43 | BHaro, 1924, no 808, p 3 | |
| -59 | 2419402 | 1911-12-31 | 2419409 | 1912-01-07 | -7 | BHaro, 1924, no 808, p 3 | |
| -58 | 2419844 | 1913-03-17 | 2419847 | 1913-03-20 | -3 | BHaro, 1924, no 808, p 3 | |
| -55 | 2421150 | 1916-10-13 | 2421159 | 1916-10-22 | -9 | AnHar, 1952, vol 118 | |
| -54 | 2421588 | 1917-12-25 | 2421597 | 1918-01-03 | -9 | BHaro, 1924, no 808, p 3 | |
| -50 | 7.6 | 2423367 | 1922-11-08 | 2423346 | 1922-10-18 | 21 | AAVSO |
| -49 | 8.5 | 2423797 | 1924-01-12 | 2423784 | 1923-12-30 | 13 | SVO |
| -48 | 8.8 | 2424249 | 1925-04-08 | 2424221 | 1925-03-11 | 28 | SVO |
| -47 | 8.2 | 2424677 | 1926-06-10 | 2424659 | 1926-05-23 | 18 | AAVSO |
| -46 | 9.0 | 2425139 | 1927-09-15 | 2425096 | 1927-08-03 | 43 | AAVSO |
| -45 | 9.4 | 2425555 | 1928-11-04 | 2425534 | 1928-10-14 | 21 | SVO |
| -44 | 9.2 | 2425992 | 1930-01-15 | 2425971 | 1929-12-25 | 21 | SVO |
| -43 | 9.2 | 2426447 | 1931-04-15 | 2426409 | 1931-03-08 | 38 | SVO |
| -42 | 9.0 | 2426851 | 1932-05-23 | 2426846 | 1932-05-18 | 5 | SVO |
| -41 | 10.1 | 2427313 | 1933-08-28 | 2427284 | 1933-07-30 | 29 | SVO |
| -40 | 9.0 | 2427760 | 1934-11-18 | 2427721 | 1934-10-10 | 39 | AAVSO |
| -39 | 9.0 | 2428189 | 1936-01-21 | 2428158 | 1935-12-21 | 31 | SVO |
| -38 | 8.6 | 2428585 | 1937-02-20 | 2428596 | 1937-03-03 | -11 | SVO |
| -37 | 9.0 | 2429046 | 1938-05-27 | 2429033 | 1938-05-14 | 13 | SVO |
| -36 | 8.9 | 2429486 | 1939-08-10 | 2429471 | 1939-07-26 | 15 | AAVSO |
| -35 | 8.7 | 2429902 | 1940-09-29 | 2429908 | 1940-10-05 | -6 | SVO |
| -34 | 9.1 | 2430341 | 1941-12-12 | 2430346 | 1941-12-17 | -5 | SVO |
| -33 | 9.3 | 2430772 | 1943-02-16 | 2430783 | 1943-02-27 | -11 | AAVSO |
| -32 | 8.8 | 2431222 | 1944-05-11 | 2431221 | 1944-05-10 | 1 | AAVSO |
| -31 | 9.1 | 2431654 | 1945-07-17 | 2431658 | 1945-07-21 | -4 | SVO |
| -30 | 9.1 | 2432100 | 1946-10-06 | 2432095 | 1946-10-01 | 5 | SVO |
| -29 | 9.1 | 2432536 | 1947-12-16 | 2432533 | 1947-12-13 | 3 | SVO |
| -28 | 8.7 | 2432951 | 1949-02-03 | 2432970 | 1949-02-22 | -19 | SVO |
| -27 | 9.0 | 2433388 | 1950-04-16 | 2433408 | 1950-05-06 | -20 | AAVSO |
| -26 | 9.4 | 2433831 | 1951-07-03 | 2433845 | 1951-07-17 | -14 | AAVSO |
| -25 | 9.1 | 2434287 | 1952-10-01 | 2434283 | 1952-09-27 | 4 | SVO |
| -24 | 8.7 | 2434708 | 1953-11-26 | 2434720 | 1953-12-08 | -12 | SVO |
| -23 | 8.7 | 2435156 | 1955-02-17 | 2435158 | 1955-02-19 | -2 | SVO |
| -22 | 9.2 | 2435586 | 1956-04-22 | 2435595 | 1956-05-01 | -9 | AAVSO |
| -21 | 8.8 | 2436031 | 1957-07-11 | 2436033 | 1957-07-13 | -2 | AAVSO |
| -20 | 8.6 | 2436466 | 1958-09-19 | 2436470 | 1958-09-23 | -4 | SVO |
| -19 | 8.9 | 2436894 | 1959-11-21 | 2436907 | 1959-12-04 | -13 | SVO |
| -18 | 9.0 | 2437335 | 1961-02-04 | 2437345 | 1961-02-14 | -10 | AAVSO |
| -17 | 2437772 | 1962-04-17 | 2437782 | 1962-04-27 | -10 | AAVSO | |
| -16 | 8.8 | 2438207 | 1963-06-26 | 2438220 | 1963-07-09 | -13 | AAVSO |
| -15 | 8.6 | 2438667 | 1964-09-28 | 2438657 | 1964-09-18 | 10 | SVO |
| -14 | 8.5 | 2439086 | 1965-11-21 | 2439095 | 1965-11-30 | -9 | SVO |
| -13 | 8.7 | 2439544 | 1967-02-22 | 2439532 | 1967-02-10 | 12 | SVO |
| -12 | 8.3 | 2439960 | 1968-04-13 | 2439970 | 1968-04-23 | -10 | SVO |
| -11 | 8.5 | 2440417 | 1969-07-14 | 2440407 | 1969-07-04 | 10 | SVO |
| -10 | 8.4 | 2440853 | 1970-09-23 | 2440844 | 1970-09-14 | 9 | SVO |
| -9 | 8.4 | 2441285 | 1971-11-29 | 2441282 | 1971-11-26 | 3 | SVO |
| -8 | 8.2 | 2441720 | 1973-02-06 | 2441719 | 1973-02-05 | 1 | SVO |
| -7 | 8.3 | 2442175 | 1974-05-07 | 2442157 | 1974-04-19 | 18 | SVO |
| -6 | 8.3 | 2442622 | 1975-07-28 | 2442594 | 1975-06-30 | 28 | SVO |
| -5 | 8.5 | 2443056 | 1976-10-04 | 2443032 | 1976-09-10 | 24 | SVO |
| -4 | 8.4 | 2443494 | 1977-12-16 | 2443469 | 1977-11-21 | 25 | SVO |
| -3 | 8.6 | 2443922 | 1979-02-17 | 2443907 | 1979-02-02 | 15 | SVO |
| -2 | 8.5 | 2444364 | 1980-05-04 | 2444344 | 1980-04-14 | 20 | SVO |
| -1 | 8.5 | 2444800 | 1981-07-14 | 2444782 | 1981-06-26 | 18 | SVO |
| 0 | 8.7 | 2445242 | 1982-09-29 | 2445219 | 1982-09-06 | 23 | SVO |
| 1 | 9.0 | 2445686 | 1983-12-17 | 2445656 | 1983-11-17 | 30 | SVO |
| 2 | 8.9 | 2446107 | 1985-02-10 | 2446094 | 1985-01-28 | 13 | SVO |
| 3 | 9.0 | 2446551 | 1986-04-30 | 2446531 | 1986-04-10 | 20 | SVO |
| 4 | 8.7 | 2446994 | 1987-07-17 | 2446969 | 1987-06-22 | 25 | SVO |
| 5 | 8.6 | 2447426 | 1988-09-21 | 2447406 | 1988-09-01 | 20 | SVO |
| 6 | 8.4 | 2447878 | 1989-12-17 | 2447844 | 1989-11-13 | 34 | SVO |
| 7 | 8.6 | 2448314 | 1991-02-26 | 2448281 | 1991-01-24 | 33 | SVO |
| 8 | 8.8 | 2448761 | 1992-05-18 | 2448719 | 1992-04-06 | 42 | SVO |
| 9 | 8.5 | 2449192 | 1993-07-23 | 2449156 | 1993-06-17 | 36 | SVO |
| 10 | 8.5 | 2449613 | 1994-09-17 | 2449594 | 1994-08-29 | 19 | SVO |
| 11 | 8.8 | 2450054 | 1995-12-02 | 2450031 | 1995-11-09 | 23 | SVO |
| 12 | 8.8 | 2450493 | 1997-02-13 | 2450468 | 1997-01-19 | 25 | SVO |
| 13 | 8.8 | 2450931 | 1998-04-27 | 2450906 | 1998-04-02 | 25 | SVO |
| 14 | 8.9 | 2451365 | 1999-07-05 | 2451343 | 1999-06-13 | 22 | SVO |
| 15 | 8.6 | 2451777 | 2000-08-20 | 2451781 | 2000-08-24 | -4 | SVO |
| 16 | 8.7 | 2452210 | 2001-10-27 | 2452218 | 2001-11-04 | -8 | SVO |
| 17 | 8.6 | 2452647 | 2003-01-07 | 2452656 | 2003-01-16 | -9 | SVO |
| 18 | 8.7 | 2453075 | 2004-03-10 | 2453093 | 2004-03-28 | -18 | SVO |
| 19 | 8.7 | 2453514 | 2005-05-23 | 2453531 | 2005-06-09 | -17 | SVO |
| 20 | 8.6 | 2453955 | 2006-08-07 | 2453968 | 2006-08-20 | -13 | SVO |
| 21 | 8.6 | 2454369 | 2007-09-25 | 2454405 | 2007-10-31 | -36 | SVO |
| 22 | 8.3 | 2454816 | 2008-12-15 | 2454843 | 2009-01-11 | -27 | SVO |
| 23 | 8.2 | 2455247 | 2010-02-19 | 2455280 | 2010-03-24 | -33 | SVO |
| 24 | 8.1 | 2455687 | 2011-05-05 | 2455718 | 2011-06-05 | -31 | SVO |
| 25 | 8.1 | 2456118 | 2012-07-09 | 2456155 | 2012-08-15 | -37 | SVO |
| 26 | 8.4 | 2456576 | 2013-10-10 | 2456593 | 2013-10-27 | -17 | SVO |
| 27 | 7.9 | 2456982 | 2014-11-20 | 2457030 | 2015-01-07 | -48 | SVO |
| 28 | 7.8 | 2457442 | 2016-02-23 | 2457468 | 2016-03-20 | -26 | SVO |
| 29 | 7.8 | 2457876 | 2017-05-02 | 2457905 | 2017-05-31 | -29 | SVO |
| 30 | 8.3 | 2458325 | 2018-07-25 | 2458343 | 2018-08-12 | -18 | SVO |
| 31 | 8.3 | 2458761 | 2019-10-04 | 2458780 | 2019-10-23 | -19 | SVO |
| 32 | 7.8 | 2459196 | 2020-12-12 | 2459217 | 2021-01-02 | -21 | SVO |
| 33 | 8.0 | 2459618 | 2022-02-07 | 2459655 | 2022-03-16 | -37 | 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. |