| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -72 | 2413477 | 1895-10-10 | 2413413 | 1895-08-07 | 64 | AnHar, 1909, vol 55, p 95 | |
| -71 | 2413841 | 1896-10-08 | 2413837 | 1896-10-04 | 4 | AnHar, 1909, vol 55, p 95 | |
| -70 | 2414219 | 1897-10-21 | 2414261 | 1897-12-02 | -42 | GuL, 1918, 1.1 | |
| -68 | 2415080 | 1900-03-01 | 2415108 | 1900-03-29 | -28 | GuL, 1918, 1.1 | |
| -64 | 9.3 | 2416749 | 1904-09-25 | 2416804 | 1904-11-19 | -55 | AAVSO |
| -63 | 9.6 | 2417128 | 1905-10-09 | 2417227 | 1906-01-16 | -99 | AAVSO |
| -62 | 9.6 | 2417598 | 1907-01-22 | 2417651 | 1907-03-16 | -53 | AAVSO |
| -61 | 9.4 | 2418038 | 1908-04-06 | 2418075 | 1908-05-13 | -37 | AAVSO |
| -60 | 8.8 | 2418470 | 1909-06-12 | 2418499 | 1909-07-11 | -29 | AAVSO |
| -59 | 9.2 | 2418878 | 1910-07-25 | 2418922 | 1910-09-07 | -44 | AAVSO |
| -58 | 10.0 | 2419309 | 1911-09-29 | 2419346 | 1911-11-05 | -37 | AAVSO |
| -57 | 10.0 | 2419734 | 1912-11-27 | 2419770 | 1913-01-02 | -36 | SVO |
| -56 | 10.1 | 2420170 | 1914-02-06 | 2420194 | 1914-03-02 | -24 | SVO |
| -55 | 9.5 | 2420561 | 1915-03-04 | 2420617 | 1915-04-29 | -56 | SVO |
| -54 | 10.1 | 2420970 | 1916-04-16 | 2421041 | 1916-06-26 | -71 | SVO |
| -53 | 10.9 | 2421458 | 1917-08-17 | 2421465 | 1917-08-24 | -7 | SVO |
| -52 | 11.2 | 2421860 | 1918-09-23 | 2421889 | 1918-10-22 | -29 | SVO |
| -51 | 10.5 | 2422299 | 1919-12-06 | 2422313 | 1919-12-20 | -14 | SVO |
| -50 | 10.9 | 2422739 | 1921-02-18 | 2422736 | 1921-02-15 | 3 | SVO |
| -49 | 10.5 | 2423152 | 1922-04-07 | 2423160 | 1922-04-15 | -8 | SVO |
| -48 | 10.2 | 2423651 | 1923-08-19 | 2423584 | 1923-06-13 | 67 | SVO |
| -47 | 10.2 | 2424067 | 1924-10-08 | 2424008 | 1924-08-10 | 59 | SVO |
| -46 | 10.8 | 2424497 | 1925-12-12 | 2424431 | 1925-10-07 | 66 | SVO |
| -45 | 10.8 | 2424930 | 1927-02-18 | 2424855 | 1926-12-05 | 75 | SVO |
| -44 | 10.9 | 2425346 | 1928-04-09 | 2425279 | 1928-02-02 | 67 | SVO |
| -43 | 11.3 | 2425779 | 1929-06-16 | 2425703 | 1929-04-01 | 76 | SVO |
| -42 | 10.4 | 2426201 | 1930-08-12 | 2426127 | 1930-05-30 | 74 | SVO |
| -41 | 10.8 | 2426650 | 1931-11-04 | 2426550 | 1931-07-27 | 100 | SVO |
| -40 | 10.7 | 2427050 | 1932-12-08 | 2426974 | 1932-09-23 | 76 | SVO |
| -39 | 10.8 | 2427476 | 1934-02-07 | 2427398 | 1933-11-21 | 78 | SVO |
| -38 | 11.1 | 2427872 | 1935-03-10 | 2427822 | 1935-01-19 | 50 | SVO |
| -37 | 11.3 | 2428322 | 1936-06-02 | 2428245 | 1936-03-17 | 77 | AAVSO |
| -36 | 11.5 | 2428749 | 1937-08-03 | 2428669 | 1937-05-15 | 80 | SVO |
| -35 | 11.2 | 2429156 | 1938-09-14 | 2429093 | 1938-07-13 | 63 | SVO |
| -34 | 11.2 | 2429575 | 1939-11-07 | 2429517 | 1939-09-10 | 58 | SVO |
| -33 | 10.8 | 2430002 | 1941-01-07 | 2429940 | 1940-11-06 | 62 | SVO |
| -32 | 10.6 | 2430406 | 1942-02-15 | 2430364 | 1942-01-04 | 42 | SVO |
| -31 | 10.4 | 2430798 | 1943-03-14 | 2430788 | 1943-03-04 | 10 | SVO |
| -30 | 10.6 | 2431221 | 1944-05-10 | 2431212 | 1944-05-01 | 9 | SVO |
| -29 | 10.3 | 2431653 | 1945-07-16 | 2431636 | 1945-06-29 | 17 | SVO |
| -28 | 10.6 | 2432068 | 1946-09-04 | 2432059 | 1946-08-26 | 9 | SVO |
| -27 | 10.0 | 2432444 | 1947-09-15 | 2432483 | 1947-10-24 | -39 | SVO |
| -26 | 10.2 | 2432885 | 1948-11-29 | 2432907 | 1948-12-21 | -22 | SVO |
| -25 | 10.0 | 2433266 | 1949-12-15 | 2433331 | 1950-02-18 | -65 | SVO |
| -24 | 10.3 | 2433674 | 1951-01-27 | 2433754 | 1951-04-17 | -80 | SVO |
| -23 | 10.3 | 2434137 | 1952-05-04 | 2434178 | 1952-06-14 | -41 | SVO |
| -22 | 10.5 | 2434565 | 1953-07-06 | 2434602 | 1953-08-12 | -37 | SVO |
| -21 | 10.6 | 2434984 | 1954-08-29 | 2435026 | 1954-10-10 | -42 | SVO |
| -20 | 10.3 | 2435402 | 1955-10-21 | 2435450 | 1955-12-08 | -48 | SVO |
| -19 | 10.3 | 2435820 | 1956-12-12 | 2435873 | 1957-02-03 | -53 | SVO |
| -18 | 10.1 | 2436257 | 1958-02-22 | 2436297 | 1958-04-03 | -40 | SVO |
| -17 | 10.2 | 2436678 | 1959-04-19 | 2436721 | 1959-06-01 | -43 | AAVSO |
| -16 | 10.4 | 2437092 | 1960-06-06 | 2437145 | 1960-07-29 | -53 | SVO |
| -15 | 10.3 | 2437539 | 1961-08-27 | 2437568 | 1961-09-25 | -29 | SVO |
| -14 | 10.0 | 2437955 | 1962-10-17 | 2437992 | 1962-11-23 | -37 | SVO |
| -13 | 10.0 | 2438393 | 1963-12-29 | 2438416 | 1964-01-21 | -23 | SVO |
| -12 | 10.4 | 2438825 | 1965-03-05 | 2438840 | 1965-03-20 | -15 | SVO |
| -11 | 10.4 | 2439203 | 1966-03-18 | 2439264 | 1966-05-18 | -61 | SVO |
| -10 | 9.8 | 2439642 | 1967-05-31 | 2439687 | 1967-07-15 | -45 | AAVSO |
| -9 | 10.1 | 2440079 | 1968-08-10 | 2440111 | 1968-09-11 | -32 | SVO |
| -8 | 10.4 | 2440498 | 1969-10-03 | 2440535 | 1969-11-09 | -37 | SVO |
| -7 | 10.1 | 2440913 | 1970-11-22 | 2440959 | 1971-01-07 | -46 | SVO |
| -6 | 10.5 | 2441346 | 1972-01-29 | 2441382 | 1972-03-05 | -36 | SVO |
| -5 | 10.1 | 2441738 | 1973-02-24 | 2441806 | 1973-05-03 | -68 | SVO |
| -4 | 10.3 | 2442204 | 1974-06-05 | 2442230 | 1974-07-01 | -26 | SVO |
| -3 | 10.2 | 2442669 | 1975-09-13 | 2442654 | 1975-08-29 | 15 | SVO |
| -2 | 9.9 | 2443055 | 1976-10-03 | 2443077 | 1976-10-25 | -22 | SVO |
| -1 | 10.0 | 2443479 | 1977-12-01 | 2443501 | 1977-12-23 | -22 | SVO |
| 0 | 10.1 | 2443925 | 1979-02-20 | 2443925 | 1979-02-20 | 0 | SVO |
| 1 | 10.1 | 2444353 | 1980-04-23 | 2444349 | 1980-04-19 | 4 | SVO |
| 2 | 10.5 | 2444797 | 1981-07-11 | 2444773 | 1981-06-17 | 24 | SVO |
| 3 | 10.2 | 2445209 | 1982-08-27 | 2445196 | 1982-08-14 | 13 | SVO |
| 4 | 10.2 | 2445645 | 1983-11-06 | 2445620 | 1983-10-12 | 25 | SVO |
| 5 | 10.3 | 2446060 | 1984-12-25 | 2446044 | 1984-12-09 | 16 | SVO |
| 6 | 10.4 | 2446488 | 1986-02-26 | 2446468 | 1986-02-06 | 20 | SVO |
| 7 | 10.6 | 2446927 | 1987-05-11 | 2446891 | 1987-04-05 | 36 | SVO |
| 8 | 10.5 | 2447352 | 1988-07-09 | 2447315 | 1988-06-02 | 37 | SVO |
| 9 | 10.5 | 2447792 | 1989-09-22 | 2447739 | 1989-07-31 | 53 | SVO |
| 10 | 10.4 | 2448218 | 1990-11-22 | 2448163 | 1990-09-28 | 55 | SVO |
| 11 | 10.1 | 2448627 | 1992-01-05 | 2448587 | 1991-11-26 | 40 | SVO |
| 12 | 10.4 | 2449047 | 1993-02-28 | 2449010 | 1993-01-22 | 37 | SVO |
| 13 | 10.3 | 2449486 | 1994-05-13 | 2449434 | 1994-03-22 | 52 | SVO |
| 14 | 2449904 | 1995-07-05 | 2449858 | 1995-05-20 | 46 | AAVSO | |
| 15 | 10.3 | 2450351 | 1996-09-24 | 2450282 | 1996-07-17 | 69 | SVO |
| 16 | 10.7 | 2450766 | 1997-11-13 | 2450705 | 1997-09-13 | 61 | SVO |
| 17 | 10.4 | 2451182 | 1999-01-03 | 2451129 | 1998-11-11 | 53 | SVO |
| 18 | 10.2 | 2451590 | 2000-02-15 | 2451553 | 2000-01-09 | 37 | SVO |
| 19 | 10.1 | 2452025 | 2001-04-25 | 2451977 | 2001-03-08 | 48 | SVO |
| 20 | 10.2 | 2452419 | 2002-05-24 | 2452400 | 2002-05-05 | 19 | SVO |
| 21 | 10.1 | 2452844 | 2003-07-23 | 2452824 | 2003-07-03 | 20 | SVO |
| 22 | 10.3 | 2453275 | 2004-09-26 | 2453248 | 2004-08-30 | 27 | SVO |
| 23 | 10.0 | 2453697 | 2005-11-22 | 2453672 | 2005-10-28 | 25 | SVO |
| 24 | 9.8 | 2454134 | 2007-02-02 | 2454096 | 2006-12-26 | 38 | SVO |
| 25 | 9.9 | 2454523 | 2008-02-26 | 2454519 | 2008-02-22 | 4 | SVO |
| 26 | 10.0 | 2454942 | 2009-04-20 | 2454943 | 2009-04-21 | -1 | SVO |
| 27 | 9.6 | 2455368 | 2010-06-20 | 2455367 | 2010-06-19 | 1 | SVO |
| 28 | 9.7 | 2455777 | 2011-08-03 | 2455791 | 2011-08-17 | -14 | SVO |
| 29 | 10.0 | 2456213 | 2012-10-12 | 2456214 | 2012-10-13 | -1 | SVO |
| 30 | 9.5 | 2456605 | 2013-11-08 | 2456638 | 2013-12-11 | -33 | SVO |
| 31 | 9.6 | 2457013 | 2014-12-21 | 2457062 | 2015-02-08 | -49 | SVO |
| 32 | 9.5 | 2457445 | 2016-02-26 | 2457486 | 2016-04-07 | -41 | SVO |
| 33 | 9.8 | 2457829 | 2017-03-16 | 2457910 | 2017-06-05 | -81 | SVO |
| 34 | 9.9 | 2458269 | 2018-05-30 | 2458333 | 2018-08-02 | -64 | SVO |
| 35 | 10.2 | 2458707 | 2019-08-11 | 2458757 | 2019-09-30 | -50 | SVO |
| 36 | 10.1 | 2459132 | 2020-10-09 | 2459181 | 2020-11-27 | -49 | SVO |
| 37 | 10.1 | 2459558 | 2021-12-09 | 2459605 | 2022-01-25 | -47 | 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. |