| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -115 | 2411260 | 1889-09-14 | 2411222 | 1889-08-07 | 38 | SVO | |
| -108 | 2413065 | 1894-08-24 | 2413025 | 1894-07-15 | 40 | SVO | |
| -107 | 2413330 | 1895-05-16 | 2413283 | 1895-03-30 | 47 | SVO | |
| -105 | 2413833 | 1896-09-30 | 2413798 | 1896-08-26 | 35 | SVO | |
| -101 | 2414860 | 1899-07-24 | 2414829 | 1899-06-23 | 31 | PLPla, 1950, vol 26, p 5 | |
| -98 | 2415625 | 1901-08-28 | 2415602 | 1901-08-05 | 23 | SVO | |
| -97 | 2415885 | 1902-05-15 | 2415859 | 1902-04-19 | 26 | SVO | |
| -95 | 2416393 | 1903-10-05 | 2416374 | 1903-09-16 | 19 | SVO | |
| -94 | 2416648 | 1904-06-16 | 2416632 | 1904-05-31 | 16 | SVO | |
| -92 | 2417166 | 1905-11-16 | 2417147 | 1905-10-28 | 19 | SVO | |
| -91 | 2417417 | 1906-07-25 | 2417405 | 1906-07-13 | 12 | SVO | |
| -88 | 2418182 | 1908-08-28 | 2418178 | 1908-08-24 | 4 | SVO | |
| -87 | 2418440 | 1909-05-13 | 2418435 | 1909-05-08 | 5 | SVO | |
| -85 | 2418965 | 1910-10-20 | 2418951 | 1910-10-06 | 14 | SVO | |
| -84 | 2419220 | 1911-07-02 | 2419208 | 1911-06-20 | 12 | SVO | |
| -81 | 2419986 | 1913-08-06 | 2419981 | 1913-08-01 | 5 | SVO | |
| -78 | 2420759 | 1915-09-18 | 2420754 | 1915-09-13 | 5 | SVO | |
| -77 | 2421030 | 1916-06-15 | 2421012 | 1916-05-28 | 18 | SVO | |
| -75 | 9.2 | 2421535 | 1917-11-02 | 2421527 | 1917-10-25 | 8 | SVO |
| -74 | 9.6 | 2421792 | 1918-07-17 | 2421784 | 1918-07-09 | 8 | SVO |
| -72 | 9.7 | 2422324 | 1919-12-31 | 2422300 | 1919-12-07 | 24 | SVO |
| -71 | 9.3 | 2422572 | 1920-09-04 | 2422557 | 1920-08-20 | 15 | SVO |
| -70 | 2422817 | 1921-05-07 | 2422815 | 1921-05-05 | 2 | AAVSO | |
| -69 | 2423092 | 1922-02-06 | 2423072 | 1922-01-17 | 20 | AAVSO | |
| -68 | 8.8 | 2423347 | 1922-10-19 | 2423330 | 1922-10-02 | 17 | AAVSO |
| -67 | 2423610 | 1923-07-09 | 2423588 | 1923-06-17 | 22 | SVO | |
| -66 | 2423851 | 1924-03-06 | 2423845 | 1924-02-29 | 6 | AAVSO | |
| -65 | 9.5 | 2424118 | 1924-11-28 | 2424103 | 1924-11-13 | 15 | SVO |
| -64 | 9.4 | 2424374 | 1925-08-11 | 2424361 | 1925-07-29 | 13 | AAVSO |
| -62 | 9.3 | 2424891 | 1927-01-10 | 2424876 | 1926-12-26 | 15 | SVO |
| -61 | 9.2 | 2425139 | 1927-09-15 | 2425133 | 1927-09-09 | 6 | SVO |
| -60 | 9.2 | 2425402 | 1928-06-04 | 2425391 | 1928-05-24 | 11 | AAVSO |
| -59 | 9.9 | 2425654 | 1929-02-11 | 2425649 | 1929-02-06 | 5 | SVO |
| -58 | 9.3 | 2425910 | 1929-10-25 | 2425906 | 1929-10-21 | 4 | SVO |
| -57 | 9.6 | 2426168 | 1930-07-10 | 2426164 | 1930-07-06 | 4 | AAVSO |
| -56 | 2426428 | 1931-03-27 | 2426421 | 1931-03-20 | 7 | AAVSO | |
| -55 | 9.8 | 2426675 | 1931-11-29 | 2426679 | 1931-12-03 | -4 | AAVSO |
| -54 | 9.1 | 2426935 | 1932-08-15 | 2426937 | 1932-08-17 | -2 | AAVSO |
| -53 | 2427192 | 1933-04-29 | 2427194 | 1933-05-01 | -2 | AAVSO | |
| -52 | 8.8 | 2427446 | 1934-01-08 | 2427452 | 1934-01-14 | -6 | SVO |
| -51 | 9.9 | 2427706 | 1934-09-25 | 2427709 | 1934-09-28 | -3 | SVO |
| -50 | 9.1 | 2427957 | 1935-06-03 | 2427967 | 1935-06-13 | -10 | AAVSO |
| -49 | 2428221 | 1936-02-22 | 2428225 | 1936-02-26 | -4 | AAVSO | |
| -48 | 9.4 | 2428470 | 1936-10-28 | 2428482 | 1936-11-09 | -12 | SVO |
| -47 | 2428729 | 1937-07-14 | 2428740 | 1937-07-25 | -11 | AAVSO | |
| -46 | 2428986 | 1938-03-28 | 2428998 | 1938-04-09 | -12 | AAVSO | |
| -45 | 9.7 | 2429248 | 1938-12-15 | 2429255 | 1938-12-22 | -7 | SVO |
| -44 | 9.1 | 2429500 | 1939-08-24 | 2429513 | 1939-09-06 | -13 | SVO |
| -43 | 9.5 | 2429755 | 1940-05-05 | 2429770 | 1940-05-20 | -15 | AAVSO |
| -42 | 9.3 | 2430018 | 1941-01-23 | 2430028 | 1941-02-02 | -10 | SVO |
| -41 | 9.1 | 2430281 | 1941-10-13 | 2430286 | 1941-10-18 | -5 | SVO |
| -40 | 9.5 | 2430541 | 1942-06-30 | 2430543 | 1942-07-02 | -2 | SVO |
| -39 | 2430790 | 1943-03-06 | 2430801 | 1943-03-17 | -11 | AAVSO | |
| -38 | 9.7 | 2431066 | 1943-12-07 | 2431058 | 1943-11-29 | 8 | SVO |
| -37 | 8.8 | 2431318 | 1944-08-15 | 2431316 | 1944-08-13 | 2 | AAVSO |
| -36 | 2431567 | 1945-04-21 | 2431574 | 1945-04-28 | -7 | AAVSO | |
| -35 | 9.4 | 2431831 | 1946-01-10 | 2431831 | 1946-01-10 | 0 | SVO |
| -34 | 9.1 | 2432096 | 1946-10-02 | 2432089 | 1946-09-25 | 7 | SVO |
| -33 | 8.8 | 2432344 | 1947-06-07 | 2432347 | 1947-06-10 | -3 | SVO |
| -32 | 9.3 | 2432598 | 1948-02-16 | 2432604 | 1948-02-22 | -6 | SVO |
| -31 | 9.0 | 2432858 | 1948-11-02 | 2432862 | 1948-11-06 | -4 | SVO |
| -30 | 9.1 | 2433115 | 1949-07-17 | 2433119 | 1949-07-21 | -4 | SVO |
| -29 | 10.0 | 2433371 | 1950-03-30 | 2433377 | 1950-04-05 | -6 | SVO |
| -28 | 9.5 | 2433630 | 1950-12-14 | 2433635 | 1950-12-19 | -5 | SVO |
| -27 | 9.0 | 2433874 | 1951-08-15 | 2433892 | 1951-09-02 | -18 | SVO |
| -26 | 10.2 | 2434138 | 1952-05-05 | 2434150 | 1952-05-17 | -12 | SVO |
| -25 | 9.5 | 2434392 | 1953-01-14 | 2434407 | 1953-01-29 | -15 | SVO |
| -24 | 9.3 | 2434648 | 1953-09-27 | 2434665 | 1953-10-14 | -17 | SVO |
| -23 | 9.5 | 2434902 | 1954-06-08 | 2434923 | 1954-06-29 | -21 | SVO |
| -22 | 9.3 | 2435160 | 1955-02-21 | 2435180 | 1955-03-13 | -20 | SVO |
| -21 | 9.3 | 2435411 | 1955-10-30 | 2435438 | 1955-11-26 | -27 | SVO |
| -20 | 9.3 | 2435672 | 1956-07-17 | 2435696 | 1956-08-10 | -24 | SVO |
| -19 | 9.5 | 2435930 | 1957-04-01 | 2435953 | 1957-04-24 | -23 | SVO |
| -18 | 9.4 | 2436181 | 1957-12-08 | 2436211 | 1958-01-07 | -30 | SVO |
| -17 | 9.2 | 2436438 | 1958-08-22 | 2436468 | 1958-09-21 | -30 | SVO |
| -16 | 9.0 | 2436692 | 1959-05-03 | 2436726 | 1959-06-06 | -34 | SVO |
| -15 | 9.2 | 2436958 | 1960-01-24 | 2436984 | 1960-02-19 | -26 | SVO |
| -14 | 9.7 | 2437224 | 1960-10-16 | 2437241 | 1960-11-02 | -17 | SVO |
| -13 | 9.2 | 2437483 | 1961-07-02 | 2437499 | 1961-07-18 | -16 | SVO |
| -12 | 9.6 | 2437737 | 1962-03-13 | 2437756 | 1962-04-01 | -19 | SVO |
| -11 | 9.1 | 2437985 | 1962-11-16 | 2438014 | 1962-12-15 | -29 | SVO |
| -10 | 8.9 | 2438238 | 1963-07-27 | 2438272 | 1963-08-30 | -34 | SVO |
| -9 | 9.0 | 2438495 | 1964-04-09 | 2438529 | 1964-05-13 | -34 | AAVSO |
| -8 | 9.4 | 2438761 | 1964-12-31 | 2438787 | 1965-01-26 | -26 | SVO |
| -7 | 9.4 | 2439025 | 1965-09-21 | 2439045 | 1965-10-11 | -20 | SVO |
| -6 | 9.5 | 2439275 | 1966-05-29 | 2439302 | 1966-06-25 | -27 | SVO |
| -5 | 9.2 | 2439527 | 1967-02-05 | 2439560 | 1967-03-10 | -33 | SVO |
| -4 | 9.4 | 2439789 | 1967-10-25 | 2439817 | 1967-11-22 | -28 | SVO |
| -3 | 9.4 | 2440048 | 1968-07-10 | 2440075 | 1968-08-06 | -27 | SVO |
| -2 | 9.0 | 2440298 | 1969-03-17 | 2440333 | 1969-04-21 | -35 | SVO |
| -1 | 9.4 | 2440559 | 1969-12-03 | 2440590 | 1970-01-03 | -31 | SVO |
| 0 | 9.1 | 2440819 | 1970-08-20 | 2440848 | 1970-09-18 | -29 | SVO |
| 1 | 9.3 | 2441081 | 1971-05-09 | 2441105 | 1971-06-02 | -24 | SVO |
| 2 | 9.3 | 2441330 | 1972-01-13 | 2441363 | 1972-02-15 | -33 | SVO |
| 3 | 9.0 | 2441590 | 1972-09-29 | 2441621 | 1972-10-30 | -31 | SVO |
| 4 | 7.5 | 2441859 | 1973-06-25 | 2441878 | 1973-07-14 | -19 | AAVSO |
| 5 | 9.4 | 2442108 | 1974-03-01 | 2442136 | 1974-03-29 | -28 | SVO |
| 6 | 9.5 | 2442374 | 1974-11-22 | 2442394 | 1974-12-12 | -20 | SVO |
| 7 | 9.2 | 2442627 | 1975-08-02 | 2442651 | 1975-08-26 | -24 | SVO |
| 8 | 8.6 | 2442888 | 1976-04-19 | 2442909 | 1976-05-10 | -21 | AAVSO |
| 9 | 10.1 | 2443165 | 1977-01-21 | 2443166 | 1977-01-22 | -1 | AAVSO |
| 10 | 9.8 | 2443422 | 1977-10-05 | 2443424 | 1977-10-07 | -2 | AAVSO |
| 11 | 2443676 | 1978-06-16 | 2443682 | 1978-06-22 | -6 | AAVSO | |
| 12 | 8.0 | 2443933 | 1979-02-28 | 2443939 | 1979-03-06 | -6 | AAVSO |
| 13 | 9.1 | 2444188 | 1979-11-10 | 2444197 | 1979-11-19 | -9 | SVO |
| 14 | 9.8 | 2444443 | 1980-07-22 | 2444454 | 1980-08-02 | -11 | AAVSO |
| 15 | 9.4 | 2444700 | 1981-04-05 | 2444712 | 1981-04-17 | -12 | AAVSO |
| 16 | 9.0 | 2444958 | 1981-12-19 | 2444970 | 1981-12-31 | -12 | SVO |
| 17 | 9.3 | 2445224 | 1982-09-11 | 2445227 | 1982-09-14 | -3 | SVO |
| 18 | 9.6 | 2445490 | 1983-06-04 | 2445485 | 1983-05-30 | 5 | SVO |
| 19 | 9.3 | 2445740 | 1984-02-09 | 2445743 | 1984-02-12 | -3 | AAVSO |
| 20 | 9.3 | 2446006 | 1984-11-01 | 2446000 | 1984-10-26 | 6 | SVO |
| 21 | 9.8 | 2446269 | 1985-07-22 | 2446258 | 1985-07-11 | 11 | SVO |
| 22 | 10.1 | 2446529 | 1986-04-08 | 2446515 | 1986-03-25 | 14 | AAVSO |
| 23 | 9.6 | 2446770 | 1986-12-05 | 2446773 | 1986-12-08 | -3 | SVO |
| 24 | 9.2 | 2447033 | 1987-08-25 | 2447031 | 1987-08-23 | 2 | SVO |
| 25 | 2447286 | 1988-05-04 | 2447288 | 1988-05-06 | -2 | AAVSO | |
| 26 | 2447539 | 1989-01-12 | 2447546 | 1989-01-19 | -7 | AAVSO | |
| 27 | 9.4 | 2447806 | 1989-10-06 | 2447803 | 1989-10-03 | 3 | SVO |
| 28 | 2448067 | 1990-06-24 | 2448061 | 1990-06-18 | 6 | AAVSO | |
| 29 | 2448319 | 1991-03-03 | 2448319 | 1991-03-03 | 0 | AAVSO | |
| 30 | 9.6 | 2448566 | 1991-11-05 | 2448576 | 1991-11-15 | -10 | SVO |
| 31 | 2448834 | 1992-07-30 | 2448834 | 1992-07-30 | 0 | AAVSO | |
| 32 | 2449069 | 1993-03-22 | 2449092 | 1993-04-14 | -23 | AAVSO | |
| 33 | 9.0 | 2449323 | 1993-12-01 | 2449349 | 1993-12-27 | -26 | SVO |
| 34 | 9.5 | 2449584 | 1994-08-19 | 2449607 | 1994-09-11 | -23 | SVO |
| 35 | 2449841 | 1995-05-03 | 2449864 | 1995-05-26 | -23 | AAVSO | |
| 36 | 2450093 | 1996-01-10 | 2450122 | 1996-02-08 | -29 | AAVSO | |
| 37 | 9.0 | 2450353 | 1996-09-26 | 2450380 | 1996-10-23 | -27 | SVO |
| 38 | 2450618 | 1997-06-18 | 2450637 | 1997-07-07 | -19 | AAVSO | |
| 39 | 2450878 | 1998-03-05 | 2450895 | 1998-03-22 | -17 | AAVSO | |
| 40 | 9.2 | 2451138 | 1998-11-20 | 2451152 | 1998-12-04 | -14 | SVO |
| 41 | 9.3 | 2451394 | 1999-08-03 | 2451410 | 1999-08-19 | -16 | SVO |
| 42 | 2451649 | 2000-04-14 | 2451668 | 2000-05-03 | -19 | AAVSO | |
| 43 | 8.9 | 2451920 | 2001-01-10 | 2451925 | 2001-01-15 | -5 | SVO |
| 44 | 9.2 | 2452186 | 2001-10-03 | 2452183 | 2001-09-30 | 3 | SVO |
| 45 | 2452449 | 2002-06-23 | 2452441 | 2002-06-15 | 8 | AAVSO | |
| 46 | 8.7 | 2452709 | 2003-03-10 | 2452698 | 2003-02-27 | 11 | SVO |
| 47 | 8.7 | 2452965 | 2003-11-21 | 2452956 | 2003-11-12 | 9 | SVO |
| 48 | 9.4 | 2453228 | 2004-08-10 | 2453213 | 2004-07-26 | 15 | SVO |
| 49 | 9.3 | 2453493 | 2005-05-02 | 2453471 | 2005-04-10 | 22 | SVO |
| 50 | 8.6 | 2453751 | 2006-01-15 | 2453729 | 2005-12-24 | 22 | SVO |
| 51 | 9.6 | 2454023 | 2006-10-14 | 2453986 | 2006-09-07 | 37 | SVO |
| 52 | 9.2 | 2454285 | 2007-07-03 | 2454244 | 2007-05-23 | 41 | SVO |
| 53 | 2454531 | 2008-03-05 | 2454501 | 2008-02-04 | 30 | AAVSO | |
| 54 | 9.1 | 2454795 | 2008-11-24 | 2454759 | 2008-10-19 | 36 | SVO |
| 55 | 9.0 | 2455053 | 2009-08-09 | 2455017 | 2009-07-04 | 36 | SVO |
| 56 | 2455302 | 2010-04-15 | 2455274 | 2010-03-18 | 28 | AAVSO | |
| 57 | 9.4 | 2455563 | 2011-01-01 | 2455532 | 2010-12-01 | 31 | AAVSO |
| 58 | 9.2 | 2455825 | 2011-09-20 | 2455790 | 2011-08-16 | 35 | AAVSO |
| 59 | 9.3 | 2456084 | 2012-06-05 | 2456047 | 2012-04-29 | 37 | AAVSO |
| 60 | 2456339 | 2013-02-15 | 2456305 | 2013-01-12 | 34 | AAVSO | |
| 61 | 9.0 | 2456590 | 2013-10-24 | 2456562 | 2013-09-26 | 28 | SVO |
| 62 | 8.8 | 2456848 | 2014-07-09 | 2456820 | 2014-06-11 | 28 | SVO |
| 63 | 9.9 | 2457111 | 2015-03-29 | 2457078 | 2015-02-24 | 33 | AAVSO |
| 64 | 9.9 | 2457367 | 2015-12-10 | 2457335 | 2015-11-08 | 32 | AAVSO |
| 65 | 9.3 | 2457617 | 2016-08-16 | 2457593 | 2016-07-23 | 24 | SVO |
| 66 | 9.3 | 2457879 | 2017-05-05 | 2457850 | 2017-04-06 | 29 | AAVSO |
| 67 | 9.3 | 2458125 | 2018-01-06 | 2458108 | 2017-12-20 | 17 | SVO |
| 68 | 9.5 | 2458391 | 2018-09-29 | 2458366 | 2018-09-04 | 25 | SVO |
| 69 | 8.5 | 2458639 | 2019-06-04 | 2458623 | 2019-05-19 | 16 | SVO |
| 70 | 2458900 | 2020-02-20 | 2458881 | 2020-02-01 | 19 | SVO | |
| 71 | 9.2 | 2459153 | 2020-10-30 | 2459139 | 2020-10-16 | 14 | SVO |
| 72 | 8.9 | 2459417 | 2021-07-21 | 2459396 | 2021-06-30 | 21 | SVO |
| 73 | 9.2 | 2459675 | 2022-04-05 | 2459654 | 2022-03-15 | 21 | SVO |
| 74 | 2459930 | 2022-12-16 | 2459911 | 2022-11-27 | 19 | 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. |