| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -176 | 2407812 | 1880-04-06 | 2407727 | 1880-01-12 | 85 | GuL, 1918, 1.1 | |
| -173 | 2408577 | 1882-05-11 | 2408495 | 1882-02-18 | 82 | GuL, 1918, 1.1 | |
| -163 | 2411130 | 1889-05-07 | 2411055 | 1889-02-21 | 75 | SVO | |
| -153 | 2413688 | 1896-05-08 | 2413615 | 1896-02-25 | 73 | AnHar, 1909, vol 55, p 95 | |
| -152 | 2413940 | 1897-01-15 | 2413871 | 1896-11-07 | 69 | SVO | |
| -150 | 2414445 | 1898-06-04 | 2414383 | 1898-04-03 | 62 | AnHar, 1909, vol 55, p 95 | |
| -149 | 2414700 | 1899-02-14 | 2414639 | 1898-12-15 | 61 | SVO | |
| -147 | 2415209 | 1900-07-08 | 2415151 | 1900-05-11 | 58 | SVO | |
| -144 | 2415980 | 1902-08-18 | 2415919 | 1902-06-18 | 61 | SVO | |
| -143 | 2416236 | 1903-05-01 | 2416175 | 1903-03-01 | 61 | SVO | |
| -140 | 2417002 | 1905-06-05 | 2416943 | 1905-04-07 | 59 | SVO | |
| -139 | 2417255 | 1906-02-13 | 2417199 | 1905-12-19 | 56 | AAVSO | |
| -137 | 8.8 | 2417753 | 1907-06-26 | 2417711 | 1907-05-15 | 42 | AAVSO |
| -136 | 2418008 | 1908-03-07 | 2417967 | 1908-01-26 | 41 | AAVSO | |
| -135 | 9.0 | 2418258 | 1908-11-12 | 2418223 | 1908-10-08 | 35 | AAVSO |
| -134 | 2418520 | 1909-08-01 | 2418479 | 1909-06-21 | 41 | AAVSO | |
| -133 | 9.2 | 2418778 | 1910-04-16 | 2418735 | 1910-03-04 | 43 | AAVSO |
| -131 | 2419269 | 1911-08-20 | 2419247 | 1911-07-29 | 22 | AAVSO | |
| -130 | 9.3 | 2419534 | 1912-05-11 | 2419503 | 1912-04-10 | 31 | AAVSO |
| -127 | 2420325 | 1914-07-11 | 2420271 | 1914-05-18 | 54 | SVO | |
| -126 | 2420583 | 1915-03-26 | 2420527 | 1915-01-29 | 56 | AAVSO | |
| -124 | 2421085 | 1916-08-09 | 2421039 | 1916-06-24 | 46 | SVO | |
| -123 | 2421350 | 1917-05-01 | 2421295 | 1917-03-07 | 55 | SVO | |
| -122 | 2421606 | 1918-01-12 | 2421551 | 1917-11-18 | 55 | AAVSO | |
| -121 | 2421862 | 1918-09-25 | 2421807 | 1918-08-01 | 55 | AAVSO | |
| -120 | 2422118 | 1919-06-08 | 2422063 | 1919-04-14 | 55 | AAVSO | |
| -119 | 8.5 | 2422371 | 1920-02-16 | 2422319 | 1919-12-26 | 52 | AAVSO |
| -118 | 2422633 | 1920-11-04 | 2422575 | 1920-09-07 | 58 | AAVSO | |
| -117 | 2422874 | 1921-07-03 | 2422831 | 1921-05-21 | 43 | AAVSO | |
| -116 | 9.2 | 2423127 | 1922-03-13 | 2423087 | 1922-02-01 | 40 | AAVSO |
| -115 | 2423375 | 1922-11-16 | 2423343 | 1922-10-15 | 32 | AAVSO | |
| -114 | 2423647 | 1923-08-15 | 2423599 | 1923-06-28 | 48 | AAVSO | |
| -113 | 9.6 | 2423908 | 1924-05-02 | 2423855 | 1924-03-10 | 53 | AAVSO |
| -110 | 9.8 | 2424663 | 1926-05-27 | 2424623 | 1926-04-17 | 40 | AAVSO |
| -109 | 2424917 | 1927-02-05 | 2424879 | 1926-12-29 | 38 | AAVSO | |
| -107 | 10.0 | 2425437 | 1928-07-09 | 2425391 | 1928-05-24 | 46 | AAVSO |
| -106 | 9.3 | 2425680 | 1929-03-09 | 2425647 | 1929-02-04 | 33 | AAVSO |
| -105 | 2425937 | 1929-11-21 | 2425903 | 1929-10-18 | 34 | AAVSO | |
| -104 | 9.2 | 2426187 | 1930-07-29 | 2426159 | 1930-07-01 | 28 | AAVSO |
| -103 | 10.3 | 2426450 | 1931-04-18 | 2426415 | 1931-03-14 | 35 | SVO |
| -102 | 9.6 | 2426706 | 1931-12-30 | 2426671 | 1931-11-25 | 35 | AAVSO |
| -101 | 2426961 | 1932-09-10 | 2426927 | 1932-08-07 | 34 | AAVSO | |
| -100 | 10.1 | 2427216 | 1933-05-23 | 2427183 | 1933-04-20 | 33 | SVO |
| -99 | 9.0 | 2427458 | 1934-01-20 | 2427439 | 1934-01-01 | 19 | AAVSO |
| -98 | 2427707 | 1934-09-26 | 2427695 | 1934-09-14 | 12 | AAVSO | |
| -97 | 9.4 | 2427980 | 1935-06-26 | 2427951 | 1935-05-28 | 29 | SVO |
| -96 | 2428234 | 1936-03-06 | 2428207 | 1936-02-08 | 27 | AAVSO | |
| -94 | 10.2 | 2428746 | 1937-07-31 | 2428719 | 1937-07-04 | 27 | SVO |
| -93 | 9.7 | 2428999 | 1938-04-10 | 2428975 | 1938-03-17 | 24 | SVO |
| -91 | 9.2 | 2429516 | 1939-09-09 | 2429487 | 1939-08-11 | 29 | AAVSO |
| -90 | 11.1 | 2429769 | 1940-05-19 | 2429743 | 1940-04-23 | 26 | SVO |
| -89 | 2430024 | 1941-01-29 | 2429999 | 1941-01-04 | 25 | AAVSO | |
| -88 | 2430297 | 1941-10-29 | 2430255 | 1941-09-17 | 42 | AAVSO | |
| -87 | 10.5 | 2430545 | 1942-07-04 | 2430511 | 1942-05-31 | 34 | SVO |
| -86 | 9.9 | 2430806 | 1943-03-22 | 2430767 | 1943-02-11 | 39 | AAVSO |
| -84 | 9.7 | 2431312 | 1944-08-09 | 2431279 | 1944-07-07 | 33 | AAVSO |
| -83 | 10.6 | 2431565 | 1945-04-19 | 2431535 | 1945-03-20 | 30 | AAVSO |
| -82 | 2431828 | 1946-01-07 | 2431791 | 1945-12-01 | 37 | AAVSO | |
| -81 | 9.3 | 2432083 | 1946-09-19 | 2432047 | 1946-08-14 | 36 | AAVSO |
| -80 | 9.9 | 2432331 | 1947-05-25 | 2432303 | 1947-04-27 | 28 | AAVSO |
| -79 | 10.5 | 2432582 | 1948-01-31 | 2432559 | 1948-01-08 | 23 | AAVSO |
| -78 | 2432837 | 1948-10-12 | 2432815 | 1948-09-20 | 22 | AAVSO | |
| -77 | 9.7 | 2433090 | 1949-06-22 | 2433071 | 1949-06-03 | 19 | SVO |
| -76 | 9.9 | 2433349 | 1950-03-08 | 2433327 | 1950-02-14 | 22 | SVO |
| -75 | 2433606 | 1950-11-20 | 2433583 | 1950-10-28 | 23 | AAVSO | |
| -74 | 10.2 | 2433860 | 1951-08-01 | 2433839 | 1951-07-11 | 21 | SVO |
| -73 | 9.7 | 2434111 | 1952-04-08 | 2434095 | 1952-03-23 | 16 | SVO |
| -72 | 10.0 | 2434366 | 1952-12-19 | 2434351 | 1952-12-04 | 15 | AAVSO |
| -71 | 9.9 | 2434620 | 1953-08-30 | 2434607 | 1953-08-17 | 13 | AAVSO |
| -70 | 10.0 | 2434879 | 1954-05-16 | 2434863 | 1954-04-30 | 16 | SVO |
| -69 | 9.0 | 2435135 | 1955-01-27 | 2435119 | 1955-01-11 | 16 | AAVSO |
| -68 | 2435395 | 1955-10-14 | 2435375 | 1955-09-24 | 20 | AAVSO | |
| -67 | 10.9 | 2435654 | 1956-06-29 | 2435631 | 1956-06-06 | 23 | SVO |
| -66 | 10.0 | 2435908 | 1957-03-10 | 2435887 | 1957-02-17 | 21 | AAVSO |
| -65 | 2436158 | 1957-11-15 | 2436143 | 1957-10-31 | 15 | AAVSO | |
| -64 | 10.1 | 2436409 | 1958-07-24 | 2436399 | 1958-07-14 | 10 | SVO |
| -63 | 9.4 | 2436665 | 1959-04-06 | 2436655 | 1959-03-27 | 10 | SVO |
| -62 | 2436914 | 1959-12-11 | 2436911 | 1959-12-08 | 3 | AAVSO | |
| -61 | 10.9 | 2437169 | 1960-08-22 | 2437167 | 1960-08-20 | 2 | AAVSO |
| -60 | 10.4 | 2437424 | 1961-05-04 | 2437423 | 1961-05-03 | 1 | AAVSO |
| -59 | 10.3 | 2437680 | 1962-01-15 | 2437679 | 1962-01-14 | 1 | AAVSO |
| -58 | 10.0 | 2437942 | 1962-10-04 | 2437935 | 1962-09-27 | 7 | AAVSO |
| -57 | 9.4 | 2438190 | 1963-06-09 | 2438191 | 1963-06-10 | -1 | SVO |
| -56 | 9.6 | 2438440 | 1964-02-14 | 2438447 | 1964-02-21 | -7 | SVO |
| -55 | 2438701 | 1964-11-01 | 2438703 | 1964-11-03 | -2 | AAVSO | |
| -54 | 9.6 | 2438962 | 1965-07-20 | 2438959 | 1965-07-17 | 3 | SVO |
| -53 | 10.2 | 2439221 | 1966-04-05 | 2439215 | 1966-03-30 | 6 | SVO |
| -52 | 9.5 | 2439475 | 1966-12-15 | 2439471 | 1966-12-11 | 4 | AAVSO |
| -51 | 10.0 | 2439729 | 1967-08-26 | 2439727 | 1967-08-24 | 2 | AAVSO |
| -50 | 9.5 | 2439980 | 1968-05-03 | 2439983 | 1968-05-06 | -3 | SVO |
| -49 | 9.9 | 2440247 | 1969-01-25 | 2440239 | 1969-01-17 | 8 | AAVSO |
| -48 | 2440500 | 1969-10-05 | 2440495 | 1969-09-30 | 5 | AAVSO | |
| -47 | 9.3 | 2440747 | 1970-06-09 | 2440751 | 1970-06-13 | -4 | SVO |
| -46 | 9.0 | 2441000 | 1971-02-17 | 2441007 | 1971-02-24 | -7 | AAVSO |
| -45 | 2441265 | 1971-11-09 | 2441263 | 1971-11-07 | 2 | AAVSO | |
| -44 | 9.7 | 2441519 | 1972-07-20 | 2441519 | 1972-07-20 | 0 | AAVSO |
| -43 | 10.8 | 2441778 | 1973-04-05 | 2441775 | 1973-04-02 | 3 | AAVSO |
| -42 | 2442034 | 1973-12-17 | 2442031 | 1973-12-14 | 3 | AAVSO | |
| -41 | 10.6 | 2442289 | 1974-08-29 | 2442287 | 1974-08-27 | 2 | AAVSO |
| -40 | 9.7 | 2442538 | 1975-05-05 | 2442543 | 1975-05-10 | -5 | SVO |
| -39 | 10.7 | 2442797 | 1976-01-19 | 2442799 | 1976-01-21 | -2 | AAVSO |
| -38 | 10.1 | 2443050 | 1976-09-28 | 2443055 | 1976-10-03 | -5 | AAVSO |
| -37 | 10.2 | 2443303 | 1977-06-08 | 2443311 | 1977-06-16 | -8 | SVO |
| -36 | 9.8 | 2443565 | 1978-02-25 | 2443567 | 1978-02-27 | -2 | AAVSO |
| -35 | 2443820 | 1978-11-07 | 2443823 | 1978-11-10 | -3 | AAVSO | |
| -34 | 11.2 | 2444071 | 1979-07-16 | 2444079 | 1979-07-24 | -8 | SVO |
| -33 | 10.6 | 2444331 | 1980-04-01 | 2444335 | 1980-04-05 | -4 | SVO |
| -32 | 10.1 | 2444592 | 1980-12-18 | 2444591 | 1980-12-17 | 1 | AAVSO |
| -31 | 10.5 | 2444846 | 1981-08-29 | 2444847 | 1981-08-30 | -1 | AAVSO |
| -30 | 10.0 | 2445103 | 1982-05-13 | 2445103 | 1982-05-13 | 0 | SVO |
| -29 | 9.7 | 2445358 | 1983-01-23 | 2445359 | 1983-01-24 | -1 | AAVSO |
| -28 | 9.8 | 2445615 | 1983-10-07 | 2445615 | 1983-10-07 | 0 | AAVSO |
| -27 | 10.7 | 2445875 | 1984-06-23 | 2445871 | 1984-06-19 | 4 | SVO |
| -26 | 9.7 | 2446124 | 1985-02-27 | 2446127 | 1985-03-02 | -3 | SVO |
| -25 | 2446390 | 1985-11-20 | 2446383 | 1985-11-13 | 7 | AAVSO | |
| -24 | 10.2 | 2446648 | 1986-08-05 | 2446639 | 1986-07-27 | 9 | SVO |
| -23 | 9.4 | 2446896 | 1987-04-10 | 2446895 | 1987-04-09 | 1 | SVO |
| -22 | 2447153 | 1987-12-23 | 2447151 | 1987-12-21 | 2 | AAVSO | |
| -21 | 2447411 | 1988-09-06 | 2447407 | 1988-09-02 | 4 | AAVSO | |
| -20 | 9.6 | 2447664 | 1989-05-17 | 2447663 | 1989-05-16 | 1 | SVO |
| -19 | 9.9 | 2447916 | 1990-01-24 | 2447919 | 1990-01-27 | -3 | SVO |
| -18 | 2448184 | 1990-10-19 | 2448175 | 1990-10-10 | 9 | AAVSO | |
| -17 | 9.9 | 2448434 | 1991-06-26 | 2448431 | 1991-06-23 | 3 | SVO |
| -16 | 10.3 | 2448686 | 1992-03-04 | 2448687 | 1992-03-05 | -1 | SVO |
| -15 | 2448942 | 1992-11-15 | 2448943 | 1992-11-16 | -1 | AAVSO | |
| -14 | 9.9 | 2449198 | 1993-07-29 | 2449199 | 1993-07-30 | -1 | SVO |
| -13 | 9.8 | 2449457 | 1994-04-14 | 2449455 | 1994-04-12 | 2 | SVO |
| -12 | 2449721 | 1995-01-03 | 2449711 | 1994-12-24 | 10 | AAVSO | |
| -11 | 2449987 | 1995-09-26 | 2449967 | 1995-09-06 | 20 | AAVSO | |
| -10 | 10.0 | 2450225 | 1996-05-21 | 2450223 | 1996-05-19 | 2 | SVO |
| -9 | 2450477 | 1997-01-28 | 2450479 | 1997-01-30 | -2 | AAVSO | |
| -8 | 2450734 | 1997-10-12 | 2450735 | 1997-10-13 | -1 | AAVSO | |
| -7 | 10.6 | 2450996 | 1998-07-01 | 2450991 | 1998-06-26 | 5 | SVO |
| -6 | 10.0 | 2451256 | 1999-03-18 | 2451247 | 1999-03-09 | 9 | SVO |
| -5 | 2451512 | 1999-11-29 | 2451503 | 1999-11-20 | 9 | AAVSO | |
| -4 | 9.4 | 2451754 | 2000-07-28 | 2451759 | 2000-08-02 | -5 | SVO |
| -3 | 9.9 | 2452012 | 2001-04-12 | 2452015 | 2001-04-15 | -3 | SVO |
| -2 | 2452271 | 2001-12-27 | 2452271 | 2001-12-27 | 0 | AAVSO | |
| -1 | 2452535 | 2002-09-17 | 2452527 | 2002-09-09 | 8 | AAVSO | |
| 0 | 9.5 | 2452776 | 2003-05-16 | 2452783 | 2003-05-23 | -7 | SVO |
| 1 | 2453032 | 2004-01-27 | 2453039 | 2004-02-03 | -7 | AAVSO | |
| 2 | 2453293 | 2004-10-14 | 2453295 | 2004-10-16 | -2 | AAVSO | |
| 3 | 10.2 | 2453551 | 2005-06-29 | 2453551 | 2005-06-29 | 0 | SVO |
| 4 | 9.8 | 2453803 | 2006-03-08 | 2453807 | 2006-03-12 | -4 | SVO |
| 5 | 2454070 | 2006-11-30 | 2454063 | 2006-11-23 | 7 | AAVSO | |
| 6 | 10.3 | 2454323 | 2007-08-10 | 2454319 | 2007-08-06 | 4 | SVO |
| 7 | 9.6 | 2454570 | 2008-04-13 | 2454575 | 2008-04-18 | -5 | SVO |
| 8 | 9.7 | 2454829 | 2008-12-28 | 2454831 | 2008-12-30 | -2 | AAVSO |
| 9 | 9.5 | 2455090 | 2009-09-15 | 2455087 | 2009-09-12 | 3 | AAVSO |
| 10 | 10.7 | 2455344 | 2010-05-27 | 2455343 | 2010-05-26 | 1 | SVO |
| 11 | 10.0 | 2455592 | 2011-01-30 | 2455599 | 2011-02-06 | -7 | SVO |
| 12 | 2455847 | 2011-10-12 | 2455855 | 2011-10-20 | -8 | AAVSO | |
| 13 | 9.7 | 2456104 | 2012-06-25 | 2456111 | 2012-07-02 | -7 | SVO |
| 14 | 9.8 | 2456361 | 2013-03-09 | 2456367 | 2013-03-15 | -6 | SVO |
| 15 | 10.1 | 2456614 | 2013-11-17 | 2456623 | 2013-11-26 | -9 | AAVSO |
| 16 | 10.2 | 2456878 | 2014-08-08 | 2456879 | 2014-08-09 | -1 | AAVSO |
| 17 | 10.2 | 2457136 | 2015-04-23 | 2457135 | 2015-04-22 | 1 | SVO |
| 18 | 10.2 | 2457392 | 2016-01-04 | 2457391 | 2016-01-03 | 1 | AAVSO |
| 19 | 2457647 | 2016-09-15 | 2457647 | 2016-09-15 | 0 | AAVSO | |
| 20 | 9.8 | 2457906 | 2017-06-01 | 2457903 | 2017-05-29 | 3 | SVO |
| 21 | 10.2 | 2458164 | 2018-02-14 | 2458159 | 2018-02-09 | 5 | SVO |
| 22 | 2458425 | 2018-11-02 | 2458415 | 2018-10-23 | 10 | SVO | |
| 23 | 9.5 | 2458677 | 2019-07-12 | 2458671 | 2019-07-06 | 6 | SVO |
| 24 | 10.3 | 2458943 | 2020-04-03 | 2458927 | 2020-03-18 | 16 | SVO |
| 25 | 2459190 | 2020-12-06 | 2459183 | 2020-11-29 | 7 | SVO | |
| 26 | 2459450 | 2021-08-23 | 2459439 | 2021-08-12 | 11 | SVO | |
| 27 | 9.8 | 2459702 | 2022-05-02 | 2459695 | 2022-04-25 | 7 | 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. |