| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -131 | 2407694 | 1879-12-10 | 2407684 | 1879-11-30 | 10 | AnHar, 1937, vol 105, p 459 | |
| -130 | 2408080 | 1880-12-30 | 2408073 | 1880-12-23 | 7 | GuL, 1920, 1.2 | |
| -129 | 6.6 | 2408466 | 1882-01-20 | 2408462 | 1882-01-16 | 4 | SVO |
| -128 | 6.5 | 2408846 | 1883-02-04 | 2408851 | 1883-02-09 | -5 | SVO |
| -127 | 6.5 | 2409238 | 1884-03-02 | 2409240 | 1884-03-04 | -2 | SVO |
| -126 | 6.1 | 2409615 | 1885-03-14 | 2409629 | 1885-03-28 | -14 | SVO |
| -125 | 6.0 | 2409996 | 1886-03-30 | 2410018 | 1886-04-21 | -22 | SVO |
| -124 | 6.3 | 2410382 | 1887-04-20 | 2410406 | 1887-05-14 | -24 | SVO |
| -123 | 5.5 | 2410797 | 1888-06-08 | 2410795 | 1888-06-06 | 2 | SVO |
| -122 | 6.3 | 2411156 | 1889-06-02 | 2411184 | 1889-06-30 | -28 | SVO |
| -121 | 6.4 | 2411546 | 1890-06-27 | 2411573 | 1890-07-24 | -27 | SVO |
| -120 | 6.3 | 2411923 | 1891-07-09 | 2411962 | 1891-08-17 | -39 | SVO |
| -119 | 6.4 | 2412309 | 1892-07-29 | 2412351 | 1892-09-09 | -42 | SVO |
| -118 | 6.2 | 2412698 | 1893-08-22 | 2412740 | 1893-10-03 | -42 | SVO |
| -117 | 5.6 | 2413085 | 1894-09-13 | 2413129 | 1894-10-27 | -44 | SVO |
| -116 | 6.3 | 2413474 | 1895-10-07 | 2413518 | 1895-11-20 | -44 | SVO |
| -115 | 6.4 | 2413862 | 1896-10-29 | 2413907 | 1896-12-13 | -45 | SVO |
| -114 | 5.8 | 2414266 | 1897-12-07 | 2414295 | 1898-01-05 | -29 | SVO |
| -113 | 2414631 | 1898-12-07 | 2414684 | 1899-01-29 | -53 | AnHar, 1909, vol 55, p 95 | |
| -112 | 2415018 | 1899-12-29 | 2415073 | 1900-02-22 | -55 | SVO | |
| -111 | 6.4 | 2415415 | 1901-01-30 | 2415462 | 1901-03-18 | -47 | SVO |
| -110 | 5.9 | 2415806 | 1902-02-25 | 2415851 | 1902-04-11 | -45 | SVO |
| -109 | 6.4 | 2416195 | 1903-03-21 | 2416240 | 1903-05-05 | -45 | SVO |
| -108 | 6.0 | 2416581 | 1904-04-10 | 2416629 | 1904-05-28 | -48 | SVO |
| -107 | 5.8 | 2416968 | 1905-05-02 | 2417018 | 1905-06-21 | -50 | SVO |
| -106 | 5.8 | 2417345 | 1906-05-14 | 2417407 | 1906-07-15 | -62 | SVO |
| -105 | 6.0 | 2417730 | 1907-06-03 | 2417796 | 1907-08-08 | -66 | SVO |
| -104 | 5.9 | 2418118 | 1908-06-25 | 2418184 | 1908-08-30 | -66 | SVO |
| -103 | 5.8 | 2418497 | 1909-07-09 | 2418573 | 1909-09-23 | -76 | SVO |
| -102 | 5.9 | 2418896 | 1910-08-12 | 2418962 | 1910-10-17 | -66 | SVO |
| -101 | 6.0 | 2419278 | 1911-08-29 | 2419351 | 1911-11-10 | -73 | SVO |
| -100 | 6.3 | 2419672 | 1912-09-26 | 2419740 | 1912-12-03 | -68 | SVO |
| -99 | 5.8 | 2420060 | 1913-10-19 | 2420129 | 1913-12-27 | -69 | SVO |
| -98 | 5.9 | 2420446 | 1914-11-09 | 2420518 | 1915-01-20 | -72 | SVO |
| -97 | 6.2 | 2420834 | 1915-12-02 | 2420907 | 1916-02-13 | -73 | SVO |
| -96 | 6.2 | 2421233 | 1917-01-04 | 2421296 | 1917-03-08 | -63 | SVO |
| -95 | 6.0 | 2421615 | 1918-01-21 | 2421685 | 1918-04-01 | -70 | SVO |
| -94 | 5.5 | 2422000 | 1919-02-10 | 2422073 | 1919-04-24 | -73 | SVO |
| -93 | 6.0 | 2422397 | 1920-03-13 | 2422462 | 1920-05-17 | -65 | SVO |
| -92 | 5.9 | 2422788 | 1921-04-08 | 2422851 | 1921-06-10 | -63 | SVO |
| -91 | 6.1 | 2423179 | 1922-05-04 | 2423240 | 1922-07-04 | -61 | SVO |
| -90 | 5.9 | 2423570 | 1923-05-30 | 2423629 | 1923-07-28 | -59 | SVO |
| -89 | 6.4 | 2423964 | 1924-06-27 | 2424018 | 1924-08-20 | -54 | SVO |
| -88 | 5.9 | 2424348 | 1925-07-16 | 2424407 | 1925-09-13 | -59 | SVO |
| -87 | 6.0 | 2424742 | 1926-08-14 | 2424796 | 1926-10-07 | -54 | SVO |
| -86 | 6.0 | 2425133 | 1927-09-09 | 2425185 | 1927-10-31 | -52 | SVO |
| -85 | 6.0 | 2425540 | 1928-10-20 | 2425574 | 1928-11-23 | -34 | SVO |
| -84 | 6.1 | 2425938 | 1929-11-22 | 2425962 | 1929-12-16 | -24 | SVO |
| -83 | 6.1 | 2426331 | 1930-12-20 | 2426351 | 1931-01-09 | -20 | SVO |
| -82 | 6.0 | 2426732 | 1932-01-25 | 2426740 | 1932-02-02 | -8 | SVO |
| -81 | 5.8 | 2427118 | 1933-02-14 | 2427129 | 1933-02-25 | -11 | SVO |
| -80 | 6.1 | 2427523 | 1934-03-26 | 2427518 | 1934-03-21 | 5 | SVO |
| -79 | 6.1 | 2427921 | 1935-04-28 | 2427907 | 1935-04-14 | 14 | SVO |
| -78 | 6.1 | 2428315 | 1936-05-26 | 2428296 | 1936-05-07 | 19 | SVO |
| -77 | 6.5 | 2428713 | 1937-06-28 | 2428685 | 1937-05-31 | 28 | SVO |
| -76 | 6.2 | 2429125 | 1938-08-14 | 2429074 | 1938-06-24 | 51 | SVO |
| -75 | 5.7 | 2429519 | 1939-09-12 | 2429463 | 1939-07-18 | 56 | SVO |
| -74 | 5.9 | 2429905 | 1940-10-02 | 2429851 | 1940-08-09 | 54 | SVO |
| -73 | 6.2 | 2430313 | 1941-11-14 | 2430240 | 1941-09-02 | 73 | SVO |
| -72 | 5.9 | 2430695 | 1942-12-01 | 2430629 | 1942-09-26 | 66 | SVO |
| -71 | 5.6 | 2431077 | 1943-12-18 | 2431018 | 1943-10-20 | 59 | SVO |
| -70 | 6.0 | 2431473 | 1945-01-17 | 2431407 | 1944-11-12 | 66 | SVO |
| -69 | 6.2 | 2431879 | 1946-02-27 | 2431796 | 1945-12-06 | 83 | SVO |
| -68 | 5.8 | 2432262 | 1947-03-17 | 2432185 | 1946-12-30 | 77 | SVO |
| -67 | 6.1 | 2432655 | 1948-04-13 | 2432574 | 1948-01-23 | 81 | SVO |
| -66 | 6.0 | 2433042 | 1949-05-05 | 2432963 | 1949-02-15 | 79 | SVO |
| -65 | 6.3 | 2433432 | 1950-05-30 | 2433352 | 1950-03-11 | 80 | SVO |
| -64 | 6.1 | 2433817 | 1951-06-19 | 2433740 | 1951-04-03 | 77 | SVO |
| -63 | 6.4 | 2434196 | 1952-07-02 | 2434129 | 1952-04-26 | 67 | SVO |
| -62 | 5.9 | 2434576 | 1953-07-17 | 2434518 | 1953-05-20 | 58 | SVO |
| -61 | 6.3 | 2434955 | 1954-07-31 | 2434907 | 1954-06-13 | 48 | SVO |
| -60 | 6.0 | 2435334 | 1955-08-14 | 2435296 | 1955-07-07 | 38 | SVO |
| -59 | 6.3 | 2435711 | 1956-08-25 | 2435685 | 1956-07-30 | 26 | SVO |
| -58 | 6.2 | 2436089 | 1957-09-07 | 2436074 | 1957-08-23 | 15 | SVO |
| -57 | 6.4 | 2436466 | 1958-09-19 | 2436463 | 1958-09-16 | 3 | SVO |
| -56 | 6.2 | 2436848 | 1959-10-06 | 2436852 | 1959-10-10 | -4 | SVO |
| -55 | 5.9 | 2437214 | 1960-10-06 | 2437241 | 1960-11-02 | -27 | SVO |
| -54 | 5.9 | 2437582 | 1961-10-09 | 2437629 | 1961-11-25 | -47 | SVO |
| -53 | 5.8 | 2437965 | 1962-10-27 | 2438018 | 1962-12-19 | -53 | SVO |
| -52 | 6.4 | 2438345 | 1963-11-11 | 2438407 | 1964-01-12 | -62 | SVO |
| -51 | 5.8 | 2438727 | 1964-11-27 | 2438796 | 1965-02-04 | -69 | SVO |
| -50 | 6.2 | 2439120 | 1965-12-25 | 2439185 | 1966-02-28 | -65 | SVO |
| -49 | 5.9 | 2439498 | 1967-01-07 | 2439574 | 1967-03-24 | -76 | SVO |
| -48 | 5.9 | 2439888 | 1968-02-01 | 2439963 | 1968-04-16 | -75 | SVO |
| -47 | 5.6 | 2440259 | 1969-02-06 | 2440352 | 1969-05-10 | -93 | SVO |
| -46 | 5.8 | 2440642 | 1970-02-24 | 2440741 | 1970-06-03 | -99 | SVO |
| -45 | 5.6 | 2441022 | 1971-03-11 | 2441130 | 1971-06-27 | -108 | SVO |
| -44 | 6.0 | 2441421 | 1972-04-13 | 2441518 | 1972-07-19 | -97 | SVO |
| -43 | 6.0 | 2441815 | 1973-05-12 | 2441907 | 1973-08-12 | -92 | SVO |
| -42 | 6.2 | 2442203 | 1974-06-04 | 2442296 | 1974-09-05 | -93 | SVO |
| -41 | 5.8 | 2442585 | 1975-06-21 | 2442685 | 1975-09-29 | -100 | SVO |
| -40 | 6.6 | 2442994 | 1976-08-03 | 2443074 | 1976-10-22 | -80 | SVO |
| -39 | 6.1 | 2443375 | 1977-08-19 | 2443463 | 1977-11-15 | -88 | SVO |
| -38 | 6.1 | 2443774 | 1978-09-22 | 2443852 | 1978-12-09 | -78 | SVO |
| -37 | 6.0 | 2444177 | 1979-10-30 | 2444241 | 1980-01-02 | -64 | SVO |
| -36 | 6.4 | 2444575 | 1980-12-01 | 2444630 | 1981-01-25 | -55 | SVO |
| -35 | 6.3 | 2444971 | 1982-01-01 | 2445019 | 1982-02-18 | -48 | SVO |
| -34 | 6.2 | 2445365 | 1983-01-30 | 2445407 | 1983-03-13 | -42 | SVO |
| -33 | 5.8 | 2445753 | 1984-02-22 | 2445796 | 1984-04-05 | -43 | SVO |
| -32 | 6.0 | 2446149 | 1985-03-24 | 2446185 | 1985-04-29 | -36 | SVO |
| -31 | 6.2 | 2446548 | 1986-04-27 | 2446574 | 1986-05-23 | -26 | SVO |
| -30 | 5.9 | 2446945 | 1987-05-29 | 2446963 | 1987-06-16 | -18 | SVO |
| -29 | 6.3 | 2447348 | 1988-07-05 | 2447352 | 1988-07-09 | -4 | SVO |
| -28 | 6.1 | 2447750 | 1989-08-11 | 2447741 | 1989-08-02 | 9 | SVO |
| -27 | 6.2 | 2448153 | 1990-09-18 | 2448130 | 1990-08-26 | 23 | SVO |
| -26 | 6.0 | 2448563 | 1991-11-02 | 2448519 | 1991-09-19 | 44 | SVO |
| -25 | 5.9 | 2448947 | 1992-11-20 | 2448908 | 1992-10-12 | 39 | SVO |
| -24 | 6.2 | 2449354 | 1994-01-01 | 2449296 | 1993-11-04 | 58 | SVO |
| -23 | 6.6 | 2449766 | 1995-02-17 | 2449685 | 1994-11-28 | 81 | SVO |
| -22 | 5.8 | 2450155 | 1996-03-12 | 2450074 | 1995-12-22 | 81 | SVO |
| -21 | 6.3 | 2450553 | 1997-04-14 | 2450463 | 1997-01-14 | 90 | SVO |
| -20 | 6.4 | 2450956 | 1998-05-22 | 2450852 | 1998-02-07 | 104 | SVO |
| -19 | 6.0 | 2451348 | 1999-06-18 | 2451241 | 1999-03-03 | 107 | SVO |
| -18 | 6.4 | 2451740 | 2000-07-14 | 2451630 | 2000-03-26 | 110 | SVO |
| -17 | 6.0 | 2452125 | 2001-08-03 | 2452019 | 2001-04-19 | 106 | SVO |
| -16 | 6.3 | 2452512 | 2002-08-25 | 2452408 | 2002-05-13 | 104 | SVO |
| -15 | 6.0 | 2452904 | 2003-09-21 | 2452797 | 2003-06-06 | 107 | SVO |
| -14 | 6.0 | 2453288 | 2004-10-09 | 2453185 | 2004-06-28 | 103 | SVO |
| -13 | 6.1 | 2453675 | 2005-10-31 | 2453574 | 2005-07-22 | 101 | SVO |
| -12 | 6.1 | 2454060 | 2006-11-20 | 2453963 | 2006-08-15 | 97 | SVO |
| -11 | 5.9 | 2454449 | 2007-12-14 | 2454352 | 2007-09-08 | 97 | SVO |
| -10 | 6.0 | 2454836 | 2009-01-04 | 2454741 | 2008-10-01 | 95 | SVO |
| -9 | 6.4 | 2455228 | 2010-01-31 | 2455130 | 2009-10-25 | 98 | SVO |
| -8 | 6.3 | 2455607 | 2011-02-14 | 2455519 | 2010-11-18 | 88 | SVO |
| -7 | 6.0 | 2455984 | 2012-02-26 | 2455908 | 2011-12-12 | 76 | SVO |
| -6 | 5.9 | 2456358 | 2013-03-06 | 2456297 | 2013-01-04 | 61 | SVO |
| -5 | 5.9 | 2456737 | 2014-03-20 | 2456686 | 2014-01-28 | 51 | SVO |
| -4 | 6.3 | 2457122 | 2015-04-09 | 2457074 | 2015-02-20 | 48 | SVO |
| -3 | 6.0 | 2457499 | 2016-04-20 | 2457463 | 2016-03-15 | 36 | SVO |
| -2 | 6.4 | 2457876 | 2017-05-02 | 2457852 | 2017-04-08 | 24 | SVO |
| -1 | 6.1 | 2458248 | 2018-05-09 | 2458241 | 2018-05-02 | 7 | SVO |
| 0 | 6.2 | 2458620 | 2019-05-16 | 2458630 | 2019-05-26 | -10 | SVO |
| 1 | 6.1 | 2458991 | 2020-05-21 | 2459019 | 2020-06-18 | -28 | SVO |
| 2 | 6.0 | 2459369 | 2021-06-03 | 2459408 | 2021-07-12 | -39 | SVO |
| 3 | 6.1 | 2459752 | 2022-06-21 | 2459797 | 2022-08-05 | -45 | 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. |