| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -99 | 2414046 | 1897-05-01 | 2414065 | 1897-05-20 | -19 | AnHar, 1909, vol 55, p 95 | |
| -98 | 2414341 | 1898-02-20 | 2414355 | 1898-03-06 | -14 | AnHar, 1909, vol 55, p 95 | |
| -97 | 2414617 | 1898-11-23 | 2414645 | 1898-12-21 | -28 | AnHar, 1909, vol 55, p 95 | |
| -96 | 2414913 | 1899-09-15 | 2414935 | 1899-10-07 | -22 | GuL, 1918, 1.1 | |
| -90 | 2416619 | 1904-05-18 | 2416676 | 1904-07-14 | -57 | AAVSO | |
| -89 | 9.1 | 2416914 | 1905-03-09 | 2416966 | 1905-04-30 | -52 | AAVSO |
| -88 | 9.5 | 2417235 | 1906-01-24 | 2417256 | 1906-02-14 | -21 | AAVSO |
| -87 | 2417514 | 1906-10-30 | 2417546 | 1906-12-01 | -32 | AAVSO | |
| -86 | 9.0 | 2417804 | 1907-08-16 | 2417836 | 1907-09-17 | -32 | AAVSO |
| -85 | 9.5 | 2418098 | 1908-06-05 | 2418126 | 1908-07-03 | -28 | SVO |
| -84 | 9.3 | 2418411 | 1909-04-14 | 2418416 | 1909-04-19 | -5 | AAVSO |
| -83 | 9.5 | 2418685 | 1910-01-13 | 2418707 | 1910-02-04 | -22 | AAVSO |
| -82 | 9.4 | 2418995 | 1910-11-19 | 2418997 | 1910-11-21 | -2 | AAVSO |
| -81 | 9.1 | 2419291 | 1911-09-11 | 2419287 | 1911-09-07 | 4 | AAVSO |
| -80 | 9.5 | 2419581 | 1912-06-27 | 2419577 | 1912-06-23 | 4 | AAVSO |
| -79 | 9.4 | 2419855 | 1913-03-28 | 2419867 | 1913-04-09 | -12 | SVO |
| -78 | 8.9 | 2420141 | 1914-01-08 | 2420157 | 1914-01-24 | -16 | AAVSO |
| -77 | 2420413 | 1914-10-07 | 2420447 | 1914-11-10 | -34 | AAVSO | |
| -76 | 9.3 | 2420695 | 1915-07-16 | 2420737 | 1915-08-27 | -42 | AAVSO |
| -75 | 9.3 | 2420988 | 1916-05-04 | 2421027 | 1916-06-12 | -39 | SVO |
| -74 | 9.3 | 2421267 | 1917-02-07 | 2421317 | 1917-03-29 | -50 | AAVSO |
| -73 | 9.8 | 2421581 | 1917-12-18 | 2421607 | 1918-01-13 | -26 | AAVSO |
| -72 | 9.5 | 2421871 | 1918-10-04 | 2421898 | 1918-10-31 | -27 | AAVSO |
| -71 | 9.0 | 2422158 | 1919-07-18 | 2422188 | 1919-08-17 | -30 | AAVSO |
| -70 | 9.0 | 2422437 | 1920-04-22 | 2422478 | 1920-06-02 | -41 | AAVSO |
| -69 | 9.7 | 2422729 | 1921-02-08 | 2422768 | 1921-03-19 | -39 | SVO |
| -68 | 8.6 | 2422997 | 1921-11-03 | 2423058 | 1922-01-03 | -61 | AAVSO |
| -67 | 9.5 | 2423308 | 1922-09-10 | 2423348 | 1922-10-20 | -40 | SVO |
| -66 | 9.3 | 2423593 | 1923-06-22 | 2423638 | 1923-08-06 | -45 | SVO |
| -65 | 9.5 | 2423863 | 1924-03-18 | 2423928 | 1924-05-22 | -65 | SVO |
| -64 | 9.4 | 2424147 | 1924-12-27 | 2424218 | 1925-03-08 | -71 | AAVSO |
| -63 | 9.5 | 2424438 | 1925-10-14 | 2424508 | 1925-12-23 | -70 | AAVSO |
| -62 | 9.3 | 2424739 | 1926-08-11 | 2424798 | 1926-10-09 | -59 | SVO |
| -61 | 9.5 | 2425030 | 1927-05-29 | 2425089 | 1927-07-27 | -59 | SVO |
| -60 | 9.3 | 2425337 | 1928-03-31 | 2425379 | 1928-05-12 | -42 | AAVSO |
| -59 | 9.2 | 2425607 | 1928-12-26 | 2425669 | 1929-02-26 | -62 | AAVSO |
| -58 | 9.4 | 2425908 | 1929-10-23 | 2425959 | 1929-12-13 | -51 | AAVSO |
| -57 | 10.1 | 2426196 | 1930-08-07 | 2426249 | 1930-09-29 | -53 | AAVSO |
| -56 | 9.8 | 2426479 | 1931-05-17 | 2426539 | 1931-07-16 | -60 | AAVSO |
| -55 | 9.8 | 2426781 | 1932-03-14 | 2426829 | 1932-05-01 | -48 | AAVSO |
| -54 | 9.7 | 2427090 | 1933-01-17 | 2427119 | 1933-02-15 | -29 | AAVSO |
| -53 | 9.7 | 2427383 | 1933-11-06 | 2427409 | 1933-12-02 | -26 | AAVSO |
| -52 | 9.8 | 2427679 | 1934-08-29 | 2427699 | 1934-09-18 | -20 | AAVSO |
| -51 | 10.0 | 2427969 | 1935-06-15 | 2427989 | 1935-07-05 | -20 | AAVSO |
| -50 | 9.8 | 2428263 | 1936-04-04 | 2428280 | 1936-04-21 | -17 | AAVSO |
| -49 | 9.5 | 2428533 | 1936-12-30 | 2428570 | 1937-02-05 | -37 | AAVSO |
| -48 | 9.6 | 2428846 | 1937-11-08 | 2428860 | 1937-11-22 | -14 | SVO |
| -47 | 9.6 | 2429136 | 1938-08-25 | 2429150 | 1938-09-08 | -14 | SVO |
| -46 | 9.5 | 2429417 | 1939-06-02 | 2429440 | 1939-06-25 | -23 | SVO |
| -45 | 9.6 | 2429701 | 1940-03-12 | 2429730 | 1940-04-10 | -29 | SVO |
| -44 | 9.5 | 2429979 | 1940-12-15 | 2430020 | 1941-01-25 | -41 | AAVSO |
| -43 | 2430287 | 1941-10-19 | 2430310 | 1941-11-11 | -23 | AAVSO | |
| -42 | 9.6 | 2430597 | 1942-08-25 | 2430600 | 1942-08-28 | -3 | AAVSO |
| -41 | 9.6 | 2430917 | 1943-07-11 | 2430890 | 1943-06-14 | 27 | SVO |
| -40 | 9.5 | 2431183 | 1944-04-02 | 2431180 | 1944-03-30 | 3 | SVO |
| -39 | 9.5 | 2431469 | 1945-01-13 | 2431470 | 1945-01-14 | -1 | AAVSO |
| -38 | 2431747 | 1945-10-18 | 2431761 | 1945-11-01 | -14 | AAVSO | |
| -37 | 9.9 | 2432031 | 1946-07-29 | 2432051 | 1946-08-18 | -20 | SVO |
| -36 | 9.8 | 2432325 | 1947-05-19 | 2432341 | 1947-06-04 | -16 | SVO |
| -35 | 10.0 | 2432618 | 1948-03-07 | 2432631 | 1948-03-20 | -13 | AAVSO |
| -34 | 9.8 | 2432912 | 1948-12-26 | 2432921 | 1949-01-04 | -9 | AAVSO |
| -33 | 9.6 | 2433197 | 1949-10-07 | 2433211 | 1949-10-21 | -14 | AAVSO |
| -32 | 9.4 | 2433471 | 1950-07-08 | 2433501 | 1950-08-07 | -30 | SVO |
| -31 | 9.5 | 2433763 | 1951-04-26 | 2433791 | 1951-05-24 | -28 | SVO |
| -30 | 9.6 | 2434057 | 1952-02-14 | 2434081 | 1952-03-09 | -24 | AAVSO |
| -29 | 10.0 | 2434324 | 1952-11-07 | 2434371 | 1952-12-24 | -47 | AAVSO |
| -28 | 10.0 | 2434591 | 1953-08-01 | 2434661 | 1953-10-10 | -70 | AAVSO |
| -27 | 9.5 | 2434901 | 1954-06-07 | 2434952 | 1954-07-28 | -51 | SVO |
| -26 | 9.8 | 2435222 | 1955-04-24 | 2435242 | 1955-05-14 | -20 | SVO |
| -25 | 9.5 | 2435487 | 1956-01-14 | 2435532 | 1956-02-28 | -45 | AAVSO |
| -24 | 9.8 | 2435778 | 1956-10-31 | 2435822 | 1956-12-14 | -44 | AAVSO |
| -23 | 9.8 | 2436066 | 1957-08-15 | 2436112 | 1957-09-30 | -46 | AAVSO |
| -22 | 9.5 | 2436349 | 1958-05-25 | 2436402 | 1958-07-17 | -53 | SVO |
| -21 | 10.0 | 2436644 | 1959-03-16 | 2436692 | 1959-05-03 | -48 | AAVSO |
| -20 | 9.8 | 2436932 | 1959-12-29 | 2436982 | 1960-02-17 | -50 | AAVSO |
| -19 | 2437227 | 1960-10-19 | 2437272 | 1960-12-03 | -45 | AAVSO | |
| -18 | 9.6 | 2437516 | 1961-08-04 | 2437562 | 1961-09-19 | -46 | AAVSO |
| -17 | 9.6 | 2437813 | 1962-05-28 | 2437852 | 1962-07-06 | -39 | SVO |
| -16 | 9.9 | 2438129 | 1963-04-09 | 2438143 | 1963-04-23 | -14 | SVO |
| -15 | 9.4 | 2438387 | 1963-12-23 | 2438433 | 1964-02-07 | -46 | AAVSO |
| -14 | 10.0 | 2438675 | 1964-10-06 | 2438723 | 1964-11-23 | -48 | AAVSO |
| -13 | 9.5 | 2438971 | 1965-07-29 | 2439013 | 1965-09-09 | -42 | SVO |
| -12 | 9.7 | 2439236 | 1966-04-20 | 2439303 | 1966-06-26 | -67 | SVO |
| -11 | 9.9 | 2439536 | 1967-02-14 | 2439593 | 1967-04-12 | -57 | AAVSO |
| -10 | 10.0 | 2439841 | 1967-12-16 | 2439883 | 1968-01-27 | -42 | SVO |
| -9 | 9.9 | 2440054 | 1968-07-16 | 2440173 | 1968-11-12 | -119 | SVO |
| -8 | 9.6 | 2440391 | 1969-06-18 | 2440463 | 1969-08-29 | -72 | SVO |
| -7 | 9.8 | 2440686 | 1970-04-09 | 2440753 | 1970-06-15 | -67 | SVO |
| -6 | 9.9 | 2440964 | 1971-01-12 | 2441043 | 1971-04-01 | -79 | SVO |
| -5 | 10.0 | 2441225 | 1971-09-30 | 2441334 | 1972-01-17 | -109 | AAVSO |
| -4 | 9.7 | 2441518 | 1972-07-19 | 2441624 | 1972-11-02 | -106 | SVO |
| -3 | 9.9 | 2441807 | 1973-05-04 | 2441914 | 1973-08-19 | -107 | AAVSO |
| -2 | 9.7 | 2442143 | 1974-04-05 | 2442204 | 1974-06-05 | -61 | SVO |
| -1 | 10.2 | 2442419 | 1975-01-06 | 2442494 | 1975-03-22 | -75 | AAVSO |
| 0 | 9.9 | 2442709 | 1975-10-23 | 2442784 | 1976-01-06 | -75 | AAVSO |
| 1 | 10.2 | 2443017 | 1976-08-26 | 2443074 | 1976-10-22 | -57 | AAVSO |
| 2 | 9.5 | 2443311 | 1977-06-16 | 2443364 | 1977-08-08 | -53 | SVO |
| 3 | 9.6 | 2443615 | 1978-04-16 | 2443654 | 1978-05-25 | -39 | SVO |
| 4 | 9.7 | 2443915 | 1979-02-10 | 2443944 | 1979-03-11 | -29 | SVO |
| 5 | 10.0 | 2444176 | 1979-10-29 | 2444234 | 1979-12-26 | -58 | AAVSO |
| 6 | 9.7 | 2444461 | 1980-08-09 | 2444525 | 1980-10-12 | -64 | SVO |
| 7 | 10.2 | 2444757 | 1981-06-01 | 2444815 | 1981-07-29 | -58 | AAVSO |
| 8 | 9.6 | 2445022 | 1982-02-21 | 2445105 | 1982-05-15 | -83 | SVO |
| 9 | 10.1 | 2445337 | 1983-01-02 | 2445395 | 1983-03-01 | -58 | AAVSO |
| 10 | 9.8 | 2445626 | 1983-10-18 | 2445685 | 1983-12-16 | -59 | AAVSO |
| 11 | 9.6 | 2445898 | 1984-07-16 | 2445975 | 1984-10-01 | -77 | SVO |
| 12 | 9.8 | 2446190 | 1985-05-04 | 2446265 | 1985-07-18 | -75 | AAVSO |
| 13 | 10.0 | 2446480 | 1986-02-18 | 2446555 | 1986-05-04 | -75 | AAVSO |
| 14 | 9.9 | 2446767 | 1986-12-02 | 2446845 | 1987-02-18 | -78 | AAVSO |
| 15 | 2447055 | 1987-09-16 | 2447135 | 1987-12-05 | -80 | AAVSO | |
| 16 | 9.9 | 2447321 | 1988-06-08 | 2447425 | 1988-09-20 | -104 | SVO |
| 17 | 9.8 | 2447617 | 1989-03-31 | 2447716 | 1989-07-08 | -99 | SVO |
| 18 | 10.0 | 2447988 | 1990-04-06 | 2448006 | 1990-04-24 | -18 | SVO |
| 19 | 2448277 | 1991-01-20 | 2448296 | 1991-02-08 | -19 | AAVSO | |
| 20 | 2448515 | 1991-09-15 | 2448586 | 1991-11-25 | -71 | AAVSO | |
| 21 | 9.7 | 2448782 | 1992-06-08 | 2448876 | 1992-09-10 | -94 | SVO |
| 22 | 2449094 | 1993-04-16 | 2449166 | 1993-06-27 | -72 | AAVSO | |
| 23 | 9.4 | 2449394 | 1994-02-10 | 2449456 | 1994-04-13 | -62 | SVO |
| 24 | 9.7 | 2449692 | 1994-12-05 | 2449746 | 1995-01-28 | -54 | SVO |
| 25 | 9.7 | 2449991 | 1995-09-30 | 2450036 | 1995-11-14 | -45 | SVO |
| 26 | 9.5 | 2450271 | 1996-07-06 | 2450326 | 1996-08-30 | -55 | SVO |
| 27 | 9.6 | 2450570 | 1997-05-01 | 2450616 | 1997-06-16 | -46 | SVO |
| 28 | 9.5 | 2450873 | 1998-02-28 | 2450907 | 1998-04-03 | -34 | SVO |
| 29 | 2451157 | 1998-12-09 | 2451197 | 1999-01-18 | -40 | AAVSO | |
| 30 | 9.7 | 2451478 | 1999-10-26 | 2451487 | 1999-11-04 | -9 | SVO |
| 31 | 9.7 | 2451767 | 2000-08-10 | 2451777 | 2000-08-20 | -10 | SVO |
| 32 | 9.6 | 2452058 | 2001-05-28 | 2452067 | 2001-06-06 | -9 | SVO |
| 33 | 9.7 | 2452375 | 2002-04-10 | 2452357 | 2002-03-23 | 18 | SVO |
| 34 | 2452675 | 2003-02-04 | 2452647 | 2003-01-07 | 28 | AAVSO | |
| 35 | 2452958 | 2003-11-14 | 2452937 | 2003-10-24 | 21 | AAVSO | |
| 36 | 9.6 | 2453226 | 2004-08-08 | 2453227 | 2004-08-09 | -1 | SVO |
| 37 | 9.4 | 2453503 | 2005-05-12 | 2453517 | 2005-05-26 | -14 | SVO |
| 38 | 2453808 | 2006-03-13 | 2453807 | 2006-03-12 | 1 | AAVSO | |
| 39 | 2454100 | 2006-12-30 | 2454098 | 2006-12-28 | 2 | AAVSO | |
| 40 | 2454385 | 2007-10-11 | 2454388 | 2007-10-14 | -3 | AAVSO | |
| 41 | 9.8 | 2454653 | 2008-07-05 | 2454678 | 2008-07-30 | -25 | SVO |
| 42 | 9.4 | 2454932 | 2009-04-10 | 2454968 | 2009-05-16 | -36 | SVO |
| 43 | 9.5 | 2455236 | 2010-02-08 | 2455258 | 2010-03-02 | -22 | SVO |
| 44 | 10.0 | 2455565 | 2011-01-03 | 2455548 | 2010-12-17 | 17 | AAVSO |
| 45 | 9.8 | 2455882 | 2011-11-16 | 2455838 | 2011-10-03 | 44 | AAVSO |
| 46 | 9.7 | 2456148 | 2012-08-08 | 2456128 | 2012-07-19 | 20 | SVO |
| 47 | 9.9 | 2456453 | 2013-06-09 | 2456418 | 2013-05-05 | 35 | AAVSO |
| 48 | 9.8 | 2456745 | 2014-03-28 | 2456708 | 2014-02-19 | 37 | AAVSO |
| 49 | 9.3 | 2457042 | 2015-01-19 | 2456998 | 2014-12-06 | 44 | SVO |
| 50 | 9.5 | 2457342 | 2015-11-15 | 2457289 | 2015-09-23 | 53 | SVO |
| 51 | 9.5 | 2457655 | 2016-09-23 | 2457579 | 2016-07-09 | 76 | SVO |
| 52 | 9.8 | 2457937 | 2017-07-02 | 2457869 | 2017-04-25 | 68 | AAVSO |
| 53 | 2458230 | 2018-04-21 | 2458159 | 2018-02-09 | 71 | SVO | |
| 54 | 9.3 | 2458523 | 2019-02-08 | 2458449 | 2018-11-26 | 74 | SVO |
| 55 | 2458825 | 2019-12-07 | 2458739 | 2019-09-12 | 86 | SVO | |
| 56 | 2459110 | 2020-09-17 | 2459029 | 2020-06-28 | 81 | SVO | |
| 57 | 9.2 | 2459398 | 2021-07-02 | 2459319 | 2021-04-14 | 79 | SVO |
| 58 | 9.4 | 2459683 | 2022-04-13 | 2459609 | 2022-01-29 | 74 | 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. |