| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -72 | 2413477 | 1895-10-10 | 2413478 | 1895-10-11 | -1 | AnHar, 1909, vol 55, p 95 | |
| -71 | 2413841 | 1896-10-08 | 2413900 | 1896-12-06 | -59 | AnHar, 1909, vol 55, p 95 | |
| -70 | 2414219 | 1897-10-21 | 2414323 | 1898-02-02 | -104 | GuL, 1918, 1.1 | |
| -68 | 2415080 | 1900-03-01 | 2415169 | 1900-05-29 | -89 | GuL, 1918, 1.1 | |
| -64 | 9.3 | 2416749 | 1904-09-25 | 2416860 | 1905-01-14 | -111 | AAVSO |
| -63 | 9.6 | 2417128 | 1905-10-09 | 2417283 | 1906-03-13 | -155 | AAVSO |
| -62 | 9.6 | 2417598 | 1907-01-22 | 2417706 | 1907-05-10 | -108 | AAVSO |
| -61 | 9.4 | 2418038 | 1908-04-06 | 2418129 | 1908-07-06 | -91 | AAVSO |
| -60 | 8.8 | 2418470 | 1909-06-12 | 2418552 | 1909-09-02 | -82 | AAVSO |
| -59 | 9.2 | 2418878 | 1910-07-25 | 2418974 | 1910-10-29 | -96 | AAVSO |
| -58 | 10.0 | 2419309 | 1911-09-29 | 2419397 | 1911-12-26 | -88 | AAVSO |
| -57 | 10.0 | 2419734 | 1912-11-27 | 2419820 | 1913-02-21 | -86 | SVO |
| -56 | 10.1 | 2420170 | 1914-02-06 | 2420243 | 1914-04-20 | -73 | SVO |
| -55 | 9.5 | 2420561 | 1915-03-04 | 2420666 | 1915-06-17 | -105 | SVO |
| -54 | 10.1 | 2420970 | 1916-04-16 | 2421089 | 1916-08-13 | -119 | SVO |
| -53 | 10.9 | 2421458 | 1917-08-17 | 2421511 | 1917-10-09 | -53 | SVO |
| -52 | 11.2 | 2421860 | 1918-09-23 | 2421934 | 1918-12-06 | -74 | SVO |
| -51 | 10.5 | 2422299 | 1919-12-06 | 2422357 | 1920-02-02 | -58 | SVO |
| -50 | 10.9 | 2422739 | 1921-02-18 | 2422780 | 1921-03-31 | -41 | SVO |
| -49 | 10.5 | 2423152 | 1922-04-07 | 2423203 | 1922-05-28 | -51 | SVO |
| -48 | 10.2 | 2423651 | 1923-08-19 | 2423626 | 1923-07-25 | 25 | SVO |
| -47 | 10.2 | 2424067 | 1924-10-08 | 2424049 | 1924-09-20 | 18 | SVO |
| -46 | 10.8 | 2424497 | 1925-12-12 | 2424471 | 1925-11-16 | 26 | SVO |
| -45 | 10.8 | 2424930 | 1927-02-18 | 2424894 | 1927-01-13 | 36 | SVO |
| -44 | 10.9 | 2425346 | 1928-04-09 | 2425317 | 1928-03-11 | 29 | SVO |
| -43 | 11.3 | 2425779 | 1929-06-16 | 2425740 | 1929-05-08 | 39 | SVO |
| -42 | 10.4 | 2426201 | 1930-08-12 | 2426163 | 1930-07-05 | 38 | SVO |
| -41 | 10.8 | 2426650 | 1931-11-04 | 2426586 | 1931-09-01 | 64 | SVO |
| -40 | 10.7 | 2427050 | 1932-12-08 | 2427008 | 1932-10-27 | 42 | SVO |
| -39 | 10.8 | 2427476 | 1934-02-07 | 2427431 | 1933-12-24 | 45 | SVO |
| -38 | 11.1 | 2427872 | 1935-03-10 | 2427854 | 1935-02-20 | 18 | SVO |
| -37 | 11.3 | 2428322 | 1936-06-02 | 2428277 | 1936-04-18 | 45 | AAVSO |
| -36 | 11.5 | 2428749 | 1937-08-03 | 2428700 | 1937-06-15 | 49 | SVO |
| -35 | 11.2 | 2429156 | 1938-09-14 | 2429123 | 1938-08-12 | 33 | SVO |
| -34 | 11.2 | 2429575 | 1939-11-07 | 2429545 | 1939-10-08 | 30 | SVO |
| -33 | 10.8 | 2430002 | 1941-01-07 | 2429968 | 1940-12-04 | 34 | SVO |
| -32 | 10.6 | 2430406 | 1942-02-15 | 2430391 | 1942-01-31 | 15 | SVO |
| -31 | 10.4 | 2430798 | 1943-03-14 | 2430814 | 1943-03-30 | -16 | SVO |
| -30 | 10.6 | 2431221 | 1944-05-10 | 2431237 | 1944-05-26 | -16 | SVO |
| -29 | 10.3 | 2431653 | 1945-07-16 | 2431660 | 1945-07-23 | -7 | SVO |
| -28 | 10.6 | 2432068 | 1946-09-04 | 2432082 | 1946-09-18 | -14 | SVO |
| -27 | 10.0 | 2432444 | 1947-09-15 | 2432505 | 1947-11-15 | -61 | SVO |
| -26 | 10.2 | 2432885 | 1948-11-29 | 2432928 | 1949-01-11 | -43 | SVO |
| -25 | 10.0 | 2433266 | 1949-12-15 | 2433351 | 1950-03-10 | -85 | SVO |
| -24 | 10.3 | 2433674 | 1951-01-27 | 2433774 | 1951-05-07 | -100 | SVO |
| -23 | 10.3 | 2434137 | 1952-05-04 | 2434197 | 1952-07-03 | -60 | SVO |
| -22 | 10.5 | 2434565 | 1953-07-06 | 2434620 | 1953-08-30 | -55 | SVO |
| -21 | 10.6 | 2434984 | 1954-08-29 | 2435042 | 1954-10-26 | -58 | SVO |
| -20 | 10.3 | 2435402 | 1955-10-21 | 2435465 | 1955-12-23 | -63 | SVO |
| -19 | 10.3 | 2435820 | 1956-12-12 | 2435888 | 1957-02-18 | -68 | SVO |
| -18 | 10.1 | 2436257 | 1958-02-22 | 2436311 | 1958-04-17 | -54 | SVO |
| -17 | 10.2 | 2436678 | 1959-04-19 | 2436734 | 1959-06-14 | -56 | AAVSO |
| -16 | 10.4 | 2437092 | 1960-06-06 | 2437157 | 1960-08-10 | -65 | SVO |
| -15 | 10.3 | 2437539 | 1961-08-27 | 2437579 | 1961-10-06 | -40 | SVO |
| -14 | 10.0 | 2437955 | 1962-10-17 | 2438002 | 1962-12-03 | -47 | SVO |
| -13 | 10.0 | 2438393 | 1963-12-29 | 2438425 | 1964-01-30 | -32 | SVO |
| -12 | 10.4 | 2438825 | 1965-03-05 | 2438848 | 1965-03-28 | -23 | SVO |
| -11 | 10.4 | 2439203 | 1966-03-18 | 2439271 | 1966-05-25 | -68 | SVO |
| -10 | 9.8 | 2439642 | 1967-05-31 | 2439694 | 1967-07-22 | -52 | AAVSO |
| -9 | 10.1 | 2440079 | 1968-08-10 | 2440116 | 1968-09-16 | -37 | SVO |
| -8 | 10.4 | 2440498 | 1969-10-03 | 2440539 | 1969-11-13 | -41 | SVO |
| -7 | 10.1 | 2440913 | 1970-11-22 | 2440962 | 1971-01-10 | -49 | SVO |
| -6 | 10.5 | 2441346 | 1972-01-29 | 2441385 | 1972-03-08 | -39 | SVO |
| -5 | 10.1 | 2441738 | 1973-02-24 | 2441808 | 1973-05-05 | -70 | SVO |
| -4 | 10.3 | 2442204 | 1974-06-05 | 2442231 | 1974-07-02 | -27 | SVO |
| -3 | 10.2 | 2442669 | 1975-09-13 | 2442653 | 1975-08-28 | 16 | SVO |
| -2 | 9.9 | 2443055 | 1976-10-03 | 2443076 | 1976-10-24 | -21 | SVO |
| -1 | 10.0 | 2443479 | 1977-12-01 | 2443499 | 1977-12-21 | -20 | SVO |
| 0 | 10.1 | 2443925 | 1979-02-20 | 2443922 | 1979-02-17 | 3 | SVO |
| 1 | 10.1 | 2444353 | 1980-04-23 | 2444345 | 1980-04-15 | 8 | SVO |
| 2 | 10.5 | 2444797 | 1981-07-11 | 2444768 | 1981-06-12 | 29 | SVO |
| 3 | 10.2 | 2445209 | 1982-08-27 | 2445191 | 1982-08-09 | 18 | SVO |
| 4 | 10.2 | 2445645 | 1983-11-06 | 2445613 | 1983-10-05 | 32 | SVO |
| 5 | 10.3 | 2446060 | 1984-12-25 | 2446036 | 1984-12-01 | 24 | SVO |
| 6 | 10.4 | 2446488 | 1986-02-26 | 2446459 | 1986-01-28 | 29 | SVO |
| 7 | 10.6 | 2446927 | 1987-05-11 | 2446882 | 1987-03-27 | 45 | SVO |
| 8 | 10.5 | 2447352 | 1988-07-09 | 2447305 | 1988-05-23 | 47 | SVO |
| 9 | 10.5 | 2447792 | 1989-09-22 | 2447728 | 1989-07-20 | 64 | SVO |
| 10 | 10.4 | 2448218 | 1990-11-22 | 2448150 | 1990-09-15 | 68 | SVO |
| 11 | 10.1 | 2448627 | 1992-01-05 | 2448573 | 1991-11-12 | 54 | SVO |
| 12 | 10.4 | 2449047 | 1993-02-28 | 2448996 | 1993-01-08 | 51 | SVO |
| 13 | 10.3 | 2449486 | 1994-05-13 | 2449419 | 1994-03-07 | 67 | SVO |
| 14 | 2449904 | 1995-07-05 | 2449842 | 1995-05-04 | 62 | AAVSO | |
| 15 | 10.3 | 2450351 | 1996-09-24 | 2450265 | 1996-06-30 | 86 | SVO |
| 16 | 10.7 | 2450766 | 1997-11-13 | 2450687 | 1997-08-26 | 79 | SVO |
| 17 | 10.4 | 2451182 | 1999-01-03 | 2451110 | 1998-10-23 | 72 | SVO |
| 18 | 10.2 | 2451590 | 2000-02-15 | 2451533 | 1999-12-20 | 57 | SVO |
| 19 | 10.1 | 2452025 | 2001-04-25 | 2451956 | 2001-02-15 | 69 | SVO |
| 20 | 10.2 | 2452419 | 2002-05-24 | 2452379 | 2002-04-14 | 40 | SVO |
| 21 | 10.1 | 2452844 | 2003-07-23 | 2452802 | 2003-06-11 | 42 | SVO |
| 22 | 10.3 | 2453275 | 2004-09-26 | 2453224 | 2004-08-06 | 51 | SVO |
| 23 | 10.0 | 2453697 | 2005-11-22 | 2453647 | 2005-10-03 | 50 | SVO |
| 24 | 9.8 | 2454134 | 2007-02-02 | 2454070 | 2006-11-30 | 64 | SVO |
| 25 | 9.9 | 2454523 | 2008-02-26 | 2454493 | 2008-01-27 | 30 | SVO |
| 26 | 10.0 | 2454942 | 2009-04-20 | 2454916 | 2009-03-25 | 26 | SVO |
| 27 | 9.6 | 2455368 | 2010-06-20 | 2455339 | 2010-05-22 | 29 | SVO |
| 28 | 9.7 | 2455777 | 2011-08-03 | 2455762 | 2011-07-19 | 15 | SVO |
| 29 | 10.0 | 2456213 | 2012-10-12 | 2456184 | 2012-09-13 | 29 | SVO |
| 30 | 9.5 | 2456605 | 2013-11-08 | 2456607 | 2013-11-10 | -2 | SVO |
| 31 | 9.6 | 2457013 | 2014-12-21 | 2457030 | 2015-01-07 | -17 | SVO |
| 32 | 9.5 | 2457445 | 2016-02-26 | 2457453 | 2016-03-05 | -8 | SVO |
| 33 | 9.8 | 2457829 | 2017-03-16 | 2457876 | 2017-05-02 | -47 | SVO |
| 34 | 9.9 | 2458269 | 2018-05-30 | 2458299 | 2018-06-29 | -30 | SVO |
| 35 | 10.2 | 2458707 | 2019-08-11 | 2458721 | 2019-08-25 | -14 | SVO |
| 36 | 10.1 | 2459132 | 2020-10-09 | 2459144 | 2020-10-21 | -12 | SVO |
| 37 | 10.1 | 2459558 | 2021-12-09 | 2459567 | 2021-12-18 | -9 | 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. |