| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -146 | 8.5 | 2413877 | 1896-11-13 | 2413887 | 1896-11-23 | -10 | AAVSO |
| -145 | 9.9 | 2414139 | 1897-08-02 | 2414145 | 1897-08-08 | -6 | AAVSO |
| -144 | 8.7 | 2414395 | 1898-04-15 | 2414402 | 1898-04-22 | -7 | AAVSO |
| -143 | 9.4 | 2414655 | 1898-12-31 | 2414660 | 1899-01-05 | -5 | SVO |
| -142 | 9.6 | 2414923 | 1899-09-25 | 2414918 | 1899-09-20 | 5 | AAVSO |
| -141 | 9.0 | 2415165 | 1900-05-25 | 2415176 | 1900-06-05 | -11 | AAVSO |
| -140 | 9.2 | 2415440 | 1901-02-24 | 2415434 | 1901-02-18 | 6 | AAVSO |
| -139 | 9.0 | 2415678 | 1901-10-20 | 2415692 | 1901-11-03 | -14 | AAVSO |
| -136 | 2416450 | 1903-12-01 | 2416466 | 1903-12-17 | -16 | AnHar, 1909, vol 55, p 95 | |
| -135 | 10.0 | 2416743 | 1904-09-19 | 2416724 | 1904-08-31 | 19 | AAVSO |
| -134 | 9.2 | 2416999 | 1905-06-02 | 2416982 | 1905-05-16 | 17 | AAVSO |
| -133 | 2417257 | 1906-02-15 | 2417239 | 1906-01-28 | 18 | AAVSO | |
| -132 | 8.3 | 2417497 | 1906-10-13 | 2417497 | 1906-10-13 | 0 | AAVSO |
| -131 | 2417786 | 1907-07-29 | 2417755 | 1907-06-28 | 31 | AAVSO | |
| -130 | 9.1 | 2418029 | 1908-03-28 | 2418013 | 1908-03-12 | 16 | AAVSO |
| -129 | 9.5 | 2418287 | 1908-12-11 | 2418271 | 1908-11-25 | 16 | AAVSO |
| -128 | 9.3 | 2418549 | 1909-08-30 | 2418529 | 1909-08-10 | 20 | AAVSO |
| -127 | 2418799 | 1910-05-07 | 2418787 | 1910-04-25 | 12 | AAVSO | |
| -126 | 2419051 | 1911-01-14 | 2419045 | 1911-01-08 | 6 | AAVSO | |
| -125 | 9.4 | 2419313 | 1911-10-03 | 2419303 | 1911-09-23 | 10 | AAVSO |
| -123 | 9.3 | 2419810 | 1913-02-11 | 2419818 | 1913-02-19 | -8 | AAVSO |
| -122 | 9.3 | 2420079 | 1913-11-07 | 2420076 | 1913-11-04 | 3 | SVO |
| -121 | 9.5 | 2420329 | 1914-07-15 | 2420334 | 1914-07-20 | -5 | AAVSO |
| -120 | 9.3 | 2420577 | 1915-03-20 | 2420592 | 1915-04-04 | -15 | AAVSO |
| -119 | 9.6 | 2420843 | 1915-12-11 | 2420850 | 1915-12-18 | -7 | SVO |
| -118 | 9.3 | 2421101 | 1916-08-25 | 2421108 | 1916-09-01 | -7 | SVO |
| -117 | 2421377 | 1917-05-28 | 2421366 | 1917-05-17 | 11 | AAVSO | |
| -116 | 9.1 | 2421610 | 1918-01-16 | 2421624 | 1918-01-30 | -14 | SVO |
| -115 | 9.2 | 2421862 | 1918-09-25 | 2421882 | 1918-10-15 | -20 | SVO |
| -114 | 2422120 | 1919-06-10 | 2422140 | 1919-06-30 | -20 | AAVSO | |
| -113 | 9.0 | 2422403 | 1920-03-19 | 2422397 | 1920-03-13 | 6 | AAVSO |
| -112 | 10.0 | 2422656 | 1920-11-27 | 2422655 | 1920-11-26 | 1 | SVO |
| -111 | 9.7 | 2422913 | 1921-08-11 | 2422913 | 1921-08-11 | 0 | AAVSO |
| -110 | 2423177 | 1922-05-02 | 2423171 | 1922-04-26 | 6 | AAVSO | |
| -109 | 9.2 | 2423419 | 1922-12-30 | 2423429 | 1923-01-09 | -10 | SVO |
| -108 | 9.5 | 2423678 | 1923-09-15 | 2423687 | 1923-09-24 | -9 | AAVSO |
| -107 | 2423940 | 1924-06-03 | 2423945 | 1924-06-08 | -5 | AAVSO | |
| -106 | 9.1 | 2424185 | 1925-02-03 | 2424203 | 1925-02-21 | -18 | AAVSO |
| -105 | 9.7 | 2424440 | 1925-10-16 | 2424461 | 1925-11-06 | -21 | SVO |
| -104 | 2424708 | 1926-07-11 | 2424719 | 1926-07-22 | -11 | AAVSO | |
| -103 | 2424967 | 1927-03-27 | 2424976 | 1927-04-05 | -9 | AAVSO | |
| -102 | 9.3 | 2425228 | 1927-12-13 | 2425234 | 1927-12-19 | -6 | SVO |
| -101 | 2425489 | 1928-08-30 | 2425492 | 1928-09-02 | -3 | AAVSO | |
| -100 | 2425742 | 1929-05-10 | 2425750 | 1929-05-18 | -8 | AAVSO | |
| -99 | 9.3 | 2426000 | 1930-01-23 | 2426008 | 1930-01-31 | -8 | AAVSO |
| -98 | 9.2 | 2426262 | 1930-10-12 | 2426266 | 1930-10-16 | -4 | AAVSO |
| -97 | 9.4 | 2426519 | 1931-06-26 | 2426524 | 1931-07-01 | -5 | AAVSO |
| -96 | 9.4 | 2426773 | 1932-03-06 | 2426782 | 1932-03-15 | -9 | AAVSO |
| -95 | 9.3 | 2427028 | 1932-11-16 | 2427040 | 1932-11-28 | -12 | SVO |
| -94 | 9.5 | 2427294 | 1933-08-09 | 2427298 | 1933-08-13 | -4 | SVO |
| -93 | 2427552 | 1934-04-24 | 2427556 | 1934-04-28 | -4 | AAVSO | |
| -92 | 9.4 | 2427812 | 1935-01-09 | 2427813 | 1935-01-10 | -1 | SVO |
| -91 | 10.1 | 2428080 | 1935-10-04 | 2428071 | 1935-09-25 | 9 | SVO |
| -90 | 2428329 | 1936-06-09 | 2428329 | 1936-06-09 | 0 | AAVSO | |
| -89 | 9.7 | 2428595 | 1937-03-02 | 2428587 | 1937-02-22 | 8 | AAVSO |
| -88 | 9.2 | 2428849 | 1937-11-11 | 2428845 | 1937-11-07 | 4 | SVO |
| -87 | 9.7 | 2429112 | 1938-08-01 | 2429103 | 1938-07-23 | 9 | AAVSO |
| -86 | 2429382 | 1939-04-28 | 2429361 | 1939-04-07 | 21 | AAVSO | |
| -85 | 9.9 | 2429649 | 1940-01-20 | 2429619 | 1939-12-21 | 30 | SVO |
| -84 | 9.7 | 2429907 | 1940-10-04 | 2429877 | 1940-09-04 | 30 | SVO |
| -83 | 9.1 | 2430160 | 1941-06-14 | 2430135 | 1941-05-20 | 25 | AAVSO |
| -82 | 9.7 | 2430410 | 1942-02-19 | 2430392 | 1942-02-01 | 18 | AAVSO |
| -81 | 9.4 | 2430672 | 1942-11-08 | 2430650 | 1942-10-17 | 22 | SVO |
| -80 | 10.0 | 2430927 | 1943-07-21 | 2430908 | 1943-07-02 | 19 | SVO |
| -79 | 2431183 | 1944-04-02 | 2431166 | 1944-03-16 | 17 | AAVSO | |
| -78 | 9.5 | 2431442 | 1944-12-17 | 2431424 | 1944-11-29 | 18 | SVO |
| -77 | 10.1 | 2431702 | 1945-09-03 | 2431682 | 1945-08-14 | 20 | SVO |
| -75 | 9.6 | 2432205 | 1947-01-19 | 2432198 | 1947-01-12 | 7 | AAVSO |
| -74 | 9.8 | 2432458 | 1947-09-29 | 2432456 | 1947-09-27 | 2 | SVO |
| -73 | 9.7 | 2432717 | 1948-06-14 | 2432714 | 1948-06-11 | 3 | AAVSO |
| -72 | 10.0 | 2432984 | 1949-03-08 | 2432971 | 1949-02-23 | 13 | AAVSO |
| -71 | 9.5 | 2433228 | 1949-11-07 | 2433229 | 1949-11-08 | -1 | SVO |
| -70 | 9.6 | 2433483 | 1950-07-20 | 2433487 | 1950-07-24 | -4 | AAVSO |
| -69 | 2433750 | 1951-04-13 | 2433745 | 1951-04-08 | 5 | AAVSO | |
| -68 | 9.0 | 2433985 | 1951-12-04 | 2434003 | 1951-12-22 | -18 | SVO |
| -67 | 9.5 | 2434256 | 1952-08-31 | 2434261 | 1952-09-05 | -5 | SVO |
| -66 | 2434514 | 1953-05-16 | 2434519 | 1953-05-21 | -5 | AAVSO | |
| -65 | 9.6 | 2434774 | 1954-01-31 | 2434777 | 1954-02-03 | -3 | AAVSO |
| -64 | 9.4 | 2435029 | 1954-10-13 | 2435035 | 1954-10-19 | -6 | SVO |
| -63 | 9.9 | 2435296 | 1955-07-07 | 2435293 | 1955-07-04 | 3 | AAVSO |
| -62 | 2435555 | 1956-03-22 | 2435550 | 1956-03-17 | 5 | AAVSO | |
| -61 | 9.2 | 2435805 | 1956-11-27 | 2435808 | 1956-11-30 | -3 | SVO |
| -60 | 9.7 | 2436064 | 1957-08-13 | 2436066 | 1957-08-15 | -2 | AAVSO |
| -59 | 2436327 | 1958-05-03 | 2436324 | 1958-04-30 | 3 | AAVSO | |
| -58 | 9.4 | 2436593 | 1959-01-24 | 2436582 | 1959-01-13 | 11 | SVO |
| -57 | 9.4 | 2436845 | 1959-10-03 | 2436840 | 1959-09-28 | 5 | SVO |
| -56 | 10.0 | 2437101 | 1960-06-15 | 2437098 | 1960-06-12 | 3 | AAVSO |
| -55 | 9.8 | 2437358 | 1961-02-27 | 2437356 | 1961-02-25 | 2 | AAVSO |
| -54 | 9.6 | 2437640 | 1961-12-06 | 2437614 | 1961-11-10 | 26 | SVO |
| -53 | 9.2 | 2437889 | 1962-08-12 | 2437872 | 1962-07-26 | 17 | AAVSO |
| -52 | 2438151 | 1963-05-01 | 2438130 | 1963-04-10 | 21 | AAVSO | |
| -51 | 9.4 | 2438399 | 1964-01-04 | 2438387 | 1963-12-23 | 12 | SVO |
| -50 | 9.7 | 2438665 | 1964-09-26 | 2438645 | 1964-09-06 | 20 | SVO |
| -49 | 9.7 | 2438918 | 1965-06-06 | 2438903 | 1965-05-22 | 15 | AAVSO |
| -48 | 9.3 | 2439161 | 1966-02-04 | 2439161 | 1966-02-04 | 0 | AAVSO |
| -47 | 9.6 | 2439417 | 1966-10-18 | 2439419 | 1966-10-20 | -2 | SVO |
| -46 | 9.4 | 2439678 | 1967-07-06 | 2439677 | 1967-07-05 | 1 | AAVSO |
| -45 | 2439933 | 1968-03-17 | 2439935 | 1968-03-19 | -2 | AAVSO | |
| -44 | 9.7 | 2440185 | 1968-11-24 | 2440193 | 1968-12-02 | -8 | SVO |
| -43 | 9.5 | 2440443 | 1969-08-09 | 2440451 | 1969-08-17 | -8 | AAVSO |
| -42 | 9.4 | 2440686 | 1970-04-09 | 2440709 | 1970-05-02 | -23 | AAVSO |
| -41 | 9.2 | 2440933 | 1970-12-12 | 2440966 | 1971-01-14 | -33 | SVO |
| -40 | 9.9 | 2441199 | 1971-09-04 | 2441224 | 1971-09-29 | -25 | SVO |
| -39 | 2441470 | 1972-06-01 | 2441482 | 1972-06-13 | -12 | AAVSO | |
| -38 | 9.5 | 2441728 | 1973-02-14 | 2441740 | 1973-02-26 | -12 | AAVSO |
| -37 | 9.7 | 2441977 | 1973-10-21 | 2441998 | 1973-11-11 | -21 | SVO |
| -36 | 9.0 | 2442237 | 1974-07-08 | 2442256 | 1974-07-27 | -19 | AAVSO |
| -35 | 2442500 | 1975-03-28 | 2442514 | 1975-04-11 | -14 | AAVSO | |
| -34 | 9.4 | 2442735 | 1975-11-18 | 2442772 | 1975-12-25 | -37 | SVO |
| -33 | 9.7 | 2443003 | 1976-08-12 | 2443030 | 1976-09-08 | -27 | SVO |
| -32 | 9.8 | 2443262 | 1977-04-28 | 2443288 | 1977-05-24 | -26 | SVO |
| -31 | 9.3 | 2443508 | 1977-12-30 | 2443545 | 1978-02-05 | -37 | SVO |
| -30 | 9.4 | 2443771 | 1978-09-19 | 2443803 | 1978-10-21 | -32 | SVO |
| -29 | 9.6 | 2444029 | 1979-06-04 | 2444061 | 1979-07-06 | -32 | AAVSO |
| -28 | 9.0 | 2444294 | 1980-02-24 | 2444319 | 1980-03-20 | -25 | AAVSO |
| -27 | 9.8 | 2444557 | 1980-11-13 | 2444577 | 1980-12-03 | -20 | SVO |
| -26 | 9.2 | 2444800 | 1981-07-14 | 2444835 | 1981-08-18 | -35 | SVO |
| -25 | 9.6 | 2445068 | 1982-04-08 | 2445093 | 1982-05-03 | -25 | AAVSO |
| -24 | 9.7 | 2445335 | 1982-12-31 | 2445351 | 1983-01-16 | -16 | SVO |
| -23 | 9.6 | 2445589 | 1983-09-11 | 2445609 | 1983-10-01 | -20 | SVO |
| -22 | 9.6 | 2445860 | 1984-06-08 | 2445867 | 1984-06-15 | -7 | SVO |
| -21 | 9.3 | 2446120 | 1985-02-23 | 2446124 | 1985-02-27 | -4 | SVO |
| -20 | 9.4 | 2446378 | 1985-11-08 | 2446382 | 1985-11-12 | -4 | SVO |
| -19 | 9.6 | 2446642 | 1986-07-30 | 2446640 | 1986-07-28 | 2 | SVO |
| -18 | 9.1 | 2446900 | 1987-04-14 | 2446898 | 1987-04-12 | 2 | SVO |
| -17 | 10.1 | 2447167 | 1988-01-06 | 2447156 | 1987-12-26 | 11 | SVO |
| -16 | 9.4 | 2447429 | 1988-09-24 | 2447414 | 1988-09-09 | 15 | SVO |
| -15 | 2447692 | 1989-06-14 | 2447672 | 1989-05-25 | 20 | AAVSO | |
| -14 | 9.7 | 2447948 | 1990-02-25 | 2447930 | 1990-02-07 | 18 | SVO |
| -13 | 9.3 | 2448198 | 1990-11-02 | 2448188 | 1990-10-23 | 10 | SVO |
| -12 | 10.1 | 2448461 | 1991-07-23 | 2448446 | 1991-07-08 | 15 | SVO |
| -11 | 9.3 | 2448711 | 1992-03-29 | 2448704 | 1992-03-22 | 7 | SVO |
| -10 | 10.0 | 2448980 | 1992-12-23 | 2448961 | 1992-12-04 | 19 | SVO |
| -9 | 9.5 | 2449230 | 1993-08-30 | 2449219 | 1993-08-19 | 11 | SVO |
| -8 | 9.8 | 2449485 | 1994-05-12 | 2449477 | 1994-05-04 | 8 | SVO |
| -7 | 9.3 | 2449737 | 1995-01-19 | 2449735 | 1995-01-17 | 2 | SVO |
| -6 | 9.8 | 2450001 | 1995-10-10 | 2449993 | 1995-10-02 | 8 | SVO |
| -5 | 9.6 | 2450258 | 1996-06-23 | 2450251 | 1996-06-16 | 7 | SVO |
| -4 | 9.6 | 2450511 | 1997-03-03 | 2450509 | 1997-03-01 | 2 | SVO |
| -3 | 9.5 | 2450774 | 1997-11-21 | 2450767 | 1997-11-14 | 7 | SVO |
| -2 | 9.5 | 2451033 | 1998-08-07 | 2451025 | 1998-07-30 | 8 | SVO |
| -1 | 9.8 | 2451287 | 1999-04-18 | 2451283 | 1999-04-14 | 4 | SVO |
| 0 | 9.4 | 2451538 | 1999-12-25 | 2451540 | 1999-12-27 | -2 | SVO |
| 1 | 9.5 | 2451802 | 2000-09-14 | 2451798 | 2000-09-10 | 4 | SVO |
| 2 | 9.3 | 2452053 | 2001-05-23 | 2452056 | 2001-05-26 | -3 | SVO |
| 3 | 9.3 | 2452305 | 2002-01-30 | 2452314 | 2002-02-08 | -9 | SVO |
| 4 | 9.4 | 2452570 | 2002-10-22 | 2452572 | 2002-10-24 | -2 | SVO |
| 5 | 10.0 | 2452835 | 2003-07-14 | 2452830 | 2003-07-09 | 5 | SVO |
| 6 | 9.5 | 2453086 | 2004-03-21 | 2453088 | 2004-03-23 | -2 | SVO |
| 7 | 9.5 | 2453339 | 2004-11-29 | 2453346 | 2004-12-06 | -7 | SVO |
| 8 | 9.1 | 2453595 | 2005-08-12 | 2453604 | 2005-08-21 | -9 | SVO |
| 9 | 9.7 | 2453853 | 2006-04-27 | 2453862 | 2006-05-06 | -9 | SVO |
| 10 | 9.4 | 2454118 | 2007-01-17 | 2454119 | 2007-01-18 | -1 | SVO |
| 11 | 9.6 | 2454370 | 2007-09-26 | 2454377 | 2007-10-03 | -7 | SVO |
| 12 | 2454631 | 2008-06-13 | 2454635 | 2008-06-17 | -4 | AAVSO | |
| 13 | 9.7 | 2454892 | 2009-03-01 | 2454893 | 2009-03-02 | -1 | SVO |
| 14 | 9.6 | 2455151 | 2009-11-15 | 2455151 | 2009-11-15 | 0 | SVO |
| 15 | 9.5 | 2455409 | 2010-07-31 | 2455409 | 2010-07-31 | 0 | SVO |
| 16 | 9.6 | 2455673 | 2011-04-21 | 2455667 | 2011-04-15 | 6 | SVO |
| 17 | 9.6 | 2455931 | 2012-01-04 | 2455925 | 2011-12-29 | 6 | SVO |
| 18 | 9.6 | 2456193 | 2012-09-22 | 2456183 | 2012-09-12 | 10 | SVO |
| 19 | 9.4 | 2456452 | 2013-06-08 | 2456441 | 2013-05-28 | 11 | SVO |
| 20 | 9.4 | 2456713 | 2014-02-24 | 2456698 | 2014-02-09 | 15 | SVO |
| 21 | 9.7 | 2456975 | 2014-11-13 | 2456956 | 2014-10-25 | 19 | SVO |
| 22 | 9.5 | 2457234 | 2015-07-30 | 2457214 | 2015-07-10 | 20 | SVO |
| 23 | 9.5 | 2457487 | 2016-04-08 | 2457472 | 2016-03-24 | 15 | SVO |
| 24 | 9.4 | 2457740 | 2016-12-17 | 2457730 | 2016-12-07 | 10 | SVO |
| 25 | 9.8 | 2457995 | 2017-08-29 | 2457988 | 2017-08-22 | 7 | SVO |
| 26 | 10.1 | 2458257 | 2018-05-18 | 2458246 | 2018-05-07 | 11 | SVO |
| 27 | 9.3 | 2458508 | 2019-01-24 | 2458504 | 2019-01-20 | 4 | SVO |
| 28 | 9.9 | 2458772 | 2019-10-15 | 2458762 | 2019-10-05 | 10 | SVO |
| 29 | 9.4 | 2459021 | 2020-06-20 | 2459020 | 2020-06-19 | 1 | SVO |
| 30 | 9.7 | 2459276 | 2021-03-02 | 2459277 | 2021-03-03 | -1 | SVO |
| 31 | 9.4 | 2459539 | 2021-11-20 | 2459535 | 2021-11-16 | 4 | SVO |
| 32 | 9.8 | 2459803 | 2022-08-11 | 2459793 | 2022-08-01 | 10 | 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. |