| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -130 | 2411490 | 1890-05-02 | 2411498 | 1890-05-10 | -8 | SVO | |
| -126 | 2412560 | 1893-04-06 | 2412538 | 1893-03-15 | 22 | SVO | |
| -123 | 2413335 | 1895-05-21 | 2413319 | 1895-05-05 | 16 | SVO | |
| -119 | 2414380 | 1898-03-31 | 2414359 | 1898-03-10 | 21 | SVO | |
| -118 | 2414630 | 1898-12-06 | 2414619 | 1898-11-25 | 11 | SVO | |
| -116 | 2415135 | 1900-04-25 | 2415140 | 1900-04-30 | -5 | SVO | |
| -115 | 2415370 | 1900-12-16 | 2415400 | 1901-01-15 | -30 | SVO | |
| -113 | 2415877 | 1902-05-07 | 2415920 | 1902-06-19 | -43 | SVO | |
| -112 | 2416155 | 1903-02-09 | 2416180 | 1903-03-06 | -25 | SVO | |
| -110 | 2416624 | 1904-05-23 | 2416700 | 1904-08-07 | -76 | SVO | |
| -109 | 2416901 | 1905-02-24 | 2416961 | 1905-04-25 | -60 | SVO | |
| -106 | 2417665 | 1907-03-30 | 2417741 | 1907-06-14 | -76 | SVO | |
| -105 | 2417914 | 1907-12-04 | 2418001 | 1908-02-29 | -87 | GuL, 1918, 1.1 | |
| -103 | 2418419 | 1909-04-22 | 2418521 | 1909-08-02 | -102 | SVO | |
| -102 | 2418670 | 1909-12-29 | 2418782 | 1910-04-20 | -112 | SVO | |
| -99 | 2419440 | 1912-02-07 | 2419562 | 1912-06-08 | -122 | SVO | |
| -96 | 2420212 | 1914-03-20 | 2420343 | 1914-07-29 | -131 | SVO | |
| -95 | 2420470 | 1914-12-03 | 2420603 | 1915-04-15 | -133 | SVO | |
| -93 | 2420980 | 1916-04-26 | 2421123 | 1916-09-16 | -143 | SVO | |
| -92 | 2421249 | 1917-01-20 | 2421383 | 1917-06-03 | -134 | SVO | |
| -90 | 2421765 | 1918-06-20 | 2421903 | 1918-11-05 | -138 | SVO | |
| -89 | 2422028 | 1919-03-10 | 2422164 | 1919-07-24 | -136 | SVO | |
| -88 | 2422305 | 1919-12-12 | 2422424 | 1920-04-09 | -119 | SVO | |
| -85 | 2423116 | 1922-03-02 | 2423204 | 1922-05-29 | -88 | SVO | |
| -82 | 2423910 | 1924-05-04 | 2423985 | 1924-07-18 | -75 | SVO | |
| -81 | 2424175 | 1925-01-24 | 2424245 | 1925-04-04 | -70 | SVO | |
| -78 | 2424963 | 1927-03-23 | 2425025 | 1927-05-24 | -62 | SVO | |
| -77 | 2425240 | 1927-12-25 | 2425285 | 1928-02-08 | -45 | SVO | |
| -76 | 2425500 | 1928-09-10 | 2425545 | 1928-10-25 | -45 | SVO | |
| -75 | 2425760 | 1929-05-28 | 2425806 | 1929-07-13 | -46 | SVO | |
| -74 | 2426038 | 1930-03-02 | 2426066 | 1930-03-30 | -28 | SVO | |
| -73 | 2426300 | 1930-11-19 | 2426326 | 1930-12-15 | -26 | SVO | |
| -71 | 2426835 | 1932-05-07 | 2426846 | 1932-05-18 | -11 | SVO | |
| -70 | 2427093 | 1933-01-20 | 2427106 | 1933-02-02 | -13 | SVO | |
| -69 | 2427370 | 1933-10-24 | 2427366 | 1933-10-20 | 4 | SVO | |
| -68 | 2427620 | 1934-07-01 | 2427627 | 1934-07-08 | -7 | SVO | |
| -67 | 2427898 | 1935-04-05 | 2427887 | 1935-03-25 | 11 | SVO | |
| -66 | 9.2 | 2428176 | 1936-01-08 | 2428147 | 1935-12-10 | 29 | AAVSO |
| -64 | 9.0 | 2428705 | 1937-06-20 | 2428667 | 1937-05-13 | 38 | AAVSO |
| -63 | 9.4 | 2428974 | 1938-03-16 | 2428927 | 1938-01-28 | 47 | SVO |
| -62 | 8.8 | 2429243 | 1938-12-10 | 2429187 | 1938-10-15 | 56 | AAVSO |
| -61 | 2429517 | 1939-09-10 | 2429448 | 1939-07-03 | 69 | AAVSO | |
| -60 | 2429781 | 1940-05-31 | 2429708 | 1940-03-19 | 73 | AAVSO | |
| -59 | 8.2 | 2430043 | 1941-02-17 | 2429968 | 1940-12-04 | 75 | AAVSO |
| -58 | 2430299 | 1941-10-31 | 2430228 | 1941-08-21 | 71 | AAVSO | |
| -57 | 2430571 | 1942-07-30 | 2430488 | 1942-05-08 | 83 | AAVSO | |
| -56 | 9.8 | 2430832 | 1943-04-17 | 2430748 | 1943-01-23 | 84 | SVO |
| -55 | 8.9 | 2431097 | 1944-01-07 | 2431009 | 1943-10-11 | 88 | AAVSO |
| -54 | 2431355 | 1944-09-21 | 2431269 | 1944-06-27 | 86 | AAVSO | |
| -53 | 9.1 | 2431612 | 1945-06-05 | 2431529 | 1945-03-14 | 83 | AAVSO |
| -52 | 9.4 | 2431873 | 1946-02-21 | 2431789 | 1945-11-29 | 84 | SVO |
| -51 | 9.5 | 2432146 | 1946-11-21 | 2432049 | 1946-08-16 | 97 | AAVSO |
| -50 | 2432403 | 1947-08-05 | 2432309 | 1947-05-03 | 94 | AAVSO | |
| -49 | 9.3 | 2432660 | 1948-04-18 | 2432569 | 1948-01-18 | 91 | SVO |
| -48 | 9.3 | 2432920 | 1949-01-03 | 2432830 | 1948-10-05 | 90 | SVO |
| -47 | 2433191 | 1949-10-01 | 2433090 | 1949-06-22 | 101 | AAVSO | |
| -46 | 9.0 | 2433448 | 1950-06-15 | 2433350 | 1950-03-09 | 98 | AAVSO |
| -45 | 9.3 | 2433706 | 1951-02-28 | 2433610 | 1950-11-24 | 96 | SVO |
| -44 | 9.3 | 2433982 | 1951-12-01 | 2433870 | 1951-08-11 | 112 | AAVSO |
| -43 | 9.6 | 2434229 | 1952-08-04 | 2434130 | 1952-04-27 | 99 | AAVSO |
| -42 | 9.7 | 2434482 | 1953-04-14 | 2434390 | 1953-01-12 | 92 | AAVSO |
| -41 | 9.7 | 2434740 | 1953-12-28 | 2434651 | 1953-09-30 | 89 | AAVSO |
| -40 | 2434993 | 1954-09-07 | 2434911 | 1954-06-17 | 82 | AAVSO | |
| -39 | 9.4 | 2435245 | 1955-05-17 | 2435171 | 1955-03-04 | 74 | AAVSO |
| -38 | 9.8 | 2435504 | 1956-01-31 | 2435431 | 1955-11-19 | 73 | AAVSO |
| -37 | 9.4 | 2435759 | 1956-10-12 | 2435691 | 1956-08-05 | 68 | AAVSO |
| -36 | 9.5 | 2436003 | 1957-06-13 | 2435951 | 1957-04-22 | 52 | AAVSO |
| -35 | 9.5 | 2436269 | 1958-03-06 | 2436211 | 1958-01-07 | 58 | SVO |
| -34 | 9.7 | 2436526 | 1958-11-18 | 2436472 | 1958-09-25 | 54 | AAVSO |
| -33 | 9.8 | 2436764 | 1959-07-14 | 2436732 | 1959-06-12 | 32 | AAVSO |
| -32 | 9.3 | 2437029 | 1960-04-04 | 2436992 | 1960-02-27 | 37 | SVO |
| -31 | 9.8 | 2437270 | 1960-12-01 | 2437252 | 1960-11-13 | 18 | AAVSO |
| -30 | 2437520 | 1961-08-08 | 2437512 | 1961-07-31 | 8 | AAVSO | |
| -29 | 9.5 | 2437780 | 1962-04-25 | 2437772 | 1962-04-17 | 8 | AAVSO |
| -28 | 9.7 | 2438048 | 1963-01-18 | 2438032 | 1963-01-02 | 16 | AAVSO |
| -27 | 2438300 | 1963-09-27 | 2438293 | 1963-09-20 | 7 | AAVSO | |
| -26 | 9.0 | 2438549 | 1964-06-02 | 2438553 | 1964-06-06 | -4 | AAVSO |
| -25 | 9.3 | 2438810 | 1965-02-18 | 2438813 | 1965-02-21 | -3 | SVO |
| -24 | 2439062 | 1965-10-28 | 2439073 | 1965-11-08 | -11 | AAVSO | |
| -23 | 9.6 | 2439316 | 1966-07-09 | 2439333 | 1966-07-26 | -17 | AAVSO |
| -22 | 9.3 | 2439574 | 1967-03-24 | 2439593 | 1967-04-12 | -19 | SVO |
| -21 | 9.1 | 2439833 | 1967-12-08 | 2439854 | 1967-12-29 | -21 | AAVSO |
| -20 | 2440096 | 1968-08-27 | 2440114 | 1968-09-14 | -18 | AAVSO | |
| -19 | 9.2 | 2440364 | 1969-05-22 | 2440374 | 1969-06-01 | -10 | AAVSO |
| -18 | 9.1 | 2440619 | 1970-02-01 | 2440634 | 1970-02-16 | -15 | AAVSO |
| -17 | 9.0 | 2440884 | 1970-10-24 | 2440894 | 1970-11-03 | -10 | AAVSO |
| -16 | 2441146 | 1971-07-13 | 2441154 | 1971-07-21 | -8 | AAVSO | |
| -15 | 9.6 | 2441405 | 1972-03-28 | 2441414 | 1972-04-06 | -9 | SVO |
| -14 | 8.7 | 2441675 | 1972-12-23 | 2441675 | 1972-12-23 | 0 | AAVSO |
| -13 | 2441928 | 1973-09-02 | 2441935 | 1973-09-09 | -7 | AAVSO | |
| -12 | 9.4 | 2442184 | 1974-05-16 | 2442195 | 1974-05-27 | -11 | AAVSO |
| -11 | 9.3 | 2442461 | 1975-02-17 | 2442455 | 1975-02-11 | 6 | SVO |
| -10 | 8.7 | 2442724 | 1975-11-07 | 2442715 | 1975-10-29 | 9 | AAVSO |
| -9 | 10.7 | 2442985 | 1976-07-25 | 2442975 | 1976-07-15 | 10 | AAVSO |
| -8 | 9.4 | 2443260 | 1977-04-26 | 2443235 | 1977-04-01 | 25 | SVO |
| -7 | 9.5 | 2443523 | 1978-01-14 | 2443496 | 1977-12-18 | 27 | SVO |
| -6 | 9.4 | 2443781 | 1978-09-29 | 2443756 | 1978-09-04 | 25 | AAVSO |
| -5 | 9.3 | 2444047 | 1979-06-22 | 2444016 | 1979-05-22 | 31 | AAVSO |
| -4 | 9.5 | 2444324 | 1980-03-25 | 2444276 | 1980-02-06 | 48 | SVO |
| -3 | 10.0 | 2444598 | 1980-12-24 | 2444536 | 1980-10-23 | 62 | SVO |
| -2 | 10.8 | 2444840 | 1981-08-23 | 2444796 | 1981-07-10 | 44 | AAVSO |
| -1 | 8.9 | 2445129 | 1982-06-08 | 2445056 | 1982-03-27 | 73 | AAVSO |
| 0 | 9.2 | 2445386 | 1983-02-20 | 2445317 | 1982-12-13 | 69 | SVO |
| 1 | 9.2 | 2445659 | 1983-11-20 | 2445577 | 1983-08-30 | 82 | AAVSO |
| 2 | 2445924 | 1984-08-11 | 2445837 | 1984-05-16 | 87 | AAVSO | |
| 3 | 9.4 | 2446197 | 1985-05-11 | 2446097 | 1985-01-31 | 100 | SVO |
| 4 | 9.1 | 2446442 | 1986-01-11 | 2446357 | 1985-10-18 | 85 | SVO |
| 5 | 10.0 | 2446703 | 1986-09-29 | 2446617 | 1986-07-05 | 86 | AAVSO |
| 6 | 9.1 | 2446963 | 1987-06-16 | 2446877 | 1987-03-22 | 86 | AAVSO |
| 7 | 9.2 | 2447220 | 1988-02-28 | 2447138 | 1987-12-08 | 82 | SVO |
| 8 | 2447478 | 1988-11-12 | 2447398 | 1988-08-24 | 80 | AAVSO | |
| 9 | 2447736 | 1989-07-28 | 2447658 | 1989-05-11 | 78 | AAVSO | |
| 10 | 9.9 | 2448012 | 1990-04-30 | 2447918 | 1990-01-26 | 94 | SVO |
| 11 | 2448248 | 1990-12-22 | 2448178 | 1990-10-13 | 70 | AAVSO | |
| 12 | 2448493 | 1991-08-24 | 2448438 | 1991-06-30 | 55 | AAVSO | |
| 13 | 2448754 | 1992-05-11 | 2448698 | 1992-03-16 | 56 | AAVSO | |
| 14 | 9.4 | 2449007 | 1993-01-19 | 2448959 | 1992-12-02 | 48 | SVO |
| 15 | 2449241 | 1993-09-10 | 2449219 | 1993-08-19 | 22 | AAVSO | |
| 16 | 2449499 | 1994-05-26 | 2449479 | 1994-05-06 | 20 | AAVSO | |
| 17 | 9.3 | 2449760 | 1995-02-11 | 2449739 | 1995-01-21 | 21 | SVO |
| 18 | 2450015 | 1995-10-24 | 2449999 | 1995-10-08 | 16 | AAVSO | |
| 19 | 2450250 | 1996-06-15 | 2450259 | 1996-06-24 | -9 | SVO | |
| 20 | 9.3 | 2450526 | 1997-03-18 | 2450520 | 1997-03-12 | 6 | SVO |
| 21 | 2450780 | 1997-11-27 | 2450780 | 1997-11-27 | 0 | AAVSO | |
| 22 | 2451030 | 1998-08-04 | 2451040 | 1998-08-14 | -10 | AAVSO | |
| 23 | 9.5 | 2451296 | 1999-04-27 | 2451300 | 1999-05-01 | -4 | SVO |
| 24 | 9.2 | 2451541 | 1999-12-28 | 2451560 | 2000-01-16 | -19 | SVO |
| 25 | 2451805 | 2000-09-17 | 2451820 | 2000-10-02 | -15 | AAVSO | |
| 26 | 9.2 | 2452056 | 2001-05-26 | 2452080 | 2001-06-19 | -24 | SVO |
| 27 | 9.3 | 2452305 | 2002-01-30 | 2452341 | 2002-03-07 | -36 | SVO |
| 28 | 2452559 | 2002-10-11 | 2452601 | 2002-11-22 | -42 | AAVSO | |
| 29 | 2452819 | 2003-06-28 | 2452861 | 2003-08-09 | -42 | AAVSO | |
| 30 | 9.2 | 2453069 | 2004-03-04 | 2453121 | 2004-04-25 | -52 | SVO |
| 31 | 2453339 | 2004-11-29 | 2453381 | 2005-01-10 | -42 | AAVSO | |
| 32 | 2453576 | 2005-07-24 | 2453641 | 2005-09-27 | -65 | AAVSO | |
| 33 | 9.3 | 2453830 | 2006-04-04 | 2453901 | 2006-06-14 | -71 | SVO |
| 34 | 9.3 | 2454098 | 2006-12-28 | 2454162 | 2007-03-02 | -64 | SVO |
| 35 | 2454347 | 2007-09-03 | 2454422 | 2007-11-17 | -75 | AAVSO | |
| 36 | 9.0 | 2454602 | 2008-05-15 | 2454682 | 2008-08-03 | -80 | SVO |
| 37 | 9.0 | 2454868 | 2009-02-05 | 2454942 | 2009-04-20 | -74 | SVO |
| 38 | 9.3 | 2455128 | 2009-10-23 | 2455202 | 2010-01-05 | -74 | AAVSO |
| 39 | 9.0 | 2455391 | 2010-07-13 | 2455462 | 2010-09-22 | -71 | AAVSO |
| 40 | 9.0 | 2455650 | 2011-03-29 | 2455722 | 2011-06-09 | -72 | SVO |
| 41 | 9.2 | 2455918 | 2011-12-22 | 2455983 | 2012-02-25 | -65 | SVO |
| 42 | 2456167 | 2012-08-27 | 2456243 | 2012-11-11 | -76 | AAVSO | |
| 43 | 9.4 | 2456440 | 2013-05-27 | 2456503 | 2013-07-29 | -63 | AAVSO |
| 44 | 9.2 | 2456708 | 2014-02-19 | 2456763 | 2014-04-15 | -55 | SVO |
| 45 | 9.2 | 2456974 | 2014-11-12 | 2457023 | 2014-12-31 | -49 | SVO |
| 46 | 9.1 | 2457228 | 2015-07-24 | 2457283 | 2015-09-17 | -55 | AAVSO |
| 47 | 9.3 | 2457490 | 2016-04-11 | 2457543 | 2016-06-03 | -53 | SVO |
| 48 | 9.1 | 2457756 | 2017-01-02 | 2457804 | 2017-02-19 | -48 | SVO |
| 49 | 9.1 | 2458009 | 2017-09-12 | 2458064 | 2017-11-06 | -55 | SVO |
| 50 | 2458260 | 2018-05-21 | 2458324 | 2018-07-24 | -64 | SVO | |
| 51 | 9.4 | 2458529 | 2019-02-14 | 2458584 | 2019-04-10 | -55 | SVO |
| 52 | 2458800 | 2019-11-12 | 2458844 | 2019-12-26 | -44 | SVO | |
| 53 | 2459050 | 2020-07-19 | 2459104 | 2020-09-11 | -54 | SVO | |
| 54 | 9.3 | 2459317 | 2021-04-12 | 2459364 | 2021-05-29 | -47 | SVO |
| 55 | 9.1 | 2459571 | 2021-12-22 | 2459625 | 2022-02-14 | -54 | SVO |
| 56 | 9.4 | 2459840 | 2022-09-17 | 2459885 | 2022-11-01 | -45 | SVO |
| 57 | 2460100 | 2023-06-04 | 2460145 | 2023-07-19 | -45 | SVO | |
| 58 | 9.1 | 2460372 | 2024-03-02 | 2460405 | 2024-04-04 | -33 | SVO |
| 59 | 8.9 | 2460624 | 2024-11-09 | 2460665 | 2024-12-20 | -41 | 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. |