| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -98 | 2415741 | 1901-12-22 | 2415753 | 1902-01-03 | -12 | AAVSO | |
| -97 | 10.2 | 2416087 | 1902-12-03 | 2416098 | 1902-12-14 | -11 | AAVSO |
| -96 | 9.3 | 2416424 | 1903-11-05 | 2416444 | 1903-11-25 | -20 | AAVSO |
| -95 | 9.6 | 2416756 | 1904-10-02 | 2416790 | 1904-11-05 | -34 | AAVSO |
| -94 | 9.2 | 2417117 | 1905-09-28 | 2417136 | 1905-10-17 | -19 | AAVSO |
| -93 | 9.1 | 2417462 | 1906-09-08 | 2417482 | 1906-09-28 | -20 | AAVSO |
| -92 | 9.0 | 2417814 | 1907-08-26 | 2417827 | 1907-09-08 | -13 | AAVSO |
| -91 | 8.7 | 2418159 | 1908-08-05 | 2418173 | 1908-08-19 | -14 | AAVSO |
| -90 | 8.2 | 2418502 | 1909-07-14 | 2418519 | 1909-07-31 | -17 | AAVSO |
| -89 | 9.2 | 2418843 | 1910-06-20 | 2418865 | 1910-07-12 | -22 | AAVSO |
| -88 | 9.0 | 2419217 | 1911-06-29 | 2419211 | 1911-06-23 | 6 | AAVSO |
| -87 | 8.7 | 2419563 | 1912-06-09 | 2419556 | 1912-06-02 | 7 | AAVSO |
| -86 | 9.6 | 2419922 | 1913-06-03 | 2419902 | 1913-05-14 | 20 | AAVSO |
| -85 | 9.0 | 2420263 | 1914-05-10 | 2420248 | 1914-04-25 | 15 | AAVSO |
| -84 | 2420616 | 1915-04-28 | 2420594 | 1915-04-06 | 22 | AAVSO | |
| -83 | 8.5 | 2420959 | 1916-04-05 | 2420940 | 1916-03-17 | 19 | AAVSO |
| -82 | 8.7 | 2421300 | 1917-03-12 | 2421285 | 1917-02-25 | 15 | SVO |
| -81 | 9.1 | 2421648 | 1918-02-23 | 2421631 | 1918-02-06 | 17 | SVO |
| -80 | 8.5 | 2421984 | 1919-01-25 | 2421977 | 1919-01-18 | 7 | SVO |
| -79 | 9.2 | 2422335 | 1920-01-11 | 2422323 | 1919-12-30 | 12 | AAVSO |
| -78 | 9.5 | 2422673 | 1920-12-14 | 2422669 | 1920-12-10 | 4 | SVO |
| -77 | 9.4 | 2423018 | 1921-11-24 | 2423014 | 1921-11-20 | 4 | SVO |
| -76 | 9.1 | 2423354 | 1922-10-26 | 2423360 | 1922-11-01 | -6 | SVO |
| -75 | 9.4 | 2423706 | 1923-10-13 | 2423706 | 1923-10-13 | 0 | SVO |
| -74 | 8.9 | 2424039 | 1924-09-10 | 2424052 | 1924-09-23 | -13 | SVO |
| -73 | 9.1 | 2424389 | 1925-08-26 | 2424398 | 1925-09-04 | -9 | SVO |
| -72 | 9.2 | 2424738 | 1926-08-10 | 2424743 | 1926-08-15 | -5 | SVO |
| -71 | 9.0 | 2425072 | 1927-07-10 | 2425089 | 1927-07-27 | -17 | SVO |
| -70 | 9.1 | 2425412 | 1928-06-14 | 2425435 | 1928-07-07 | -23 | SVO |
| -69 | 9.1 | 2425772 | 1929-06-09 | 2425781 | 1929-06-18 | -9 | SVO |
| -68 | 9.0 | 2426117 | 1930-05-20 | 2426127 | 1930-05-30 | -10 | AAVSO |
| -67 | 8.7 | 2426477 | 1931-05-15 | 2426473 | 1931-05-11 | 4 | AAVSO |
| -66 | 2426832 | 1932-05-04 | 2426818 | 1932-04-20 | 14 | AAVSO | |
| -65 | 8.8 | 2427176 | 1933-04-13 | 2427164 | 1933-04-01 | 12 | SVO |
| -64 | 8.9 | 2427518 | 1934-03-21 | 2427510 | 1934-03-13 | 8 | SVO |
| -63 | 9.2 | 2427866 | 1935-03-04 | 2427856 | 1935-02-22 | 10 | SVO |
| -62 | 8.8 | 2428202 | 1936-02-03 | 2428202 | 1936-02-03 | 0 | SVO |
| -61 | 9.8 | 2428567 | 1937-02-02 | 2428547 | 1937-01-13 | 20 | SVO |
| -60 | 8.8 | 2428907 | 1938-01-08 | 2428893 | 1937-12-25 | 14 | SVO |
| -59 | 10.0 | 2429263 | 1938-12-30 | 2429239 | 1938-12-06 | 24 | SVO |
| -58 | 8.8 | 2429587 | 1939-11-19 | 2429585 | 1939-11-17 | 2 | SVO |
| -57 | 10.0 | 2429960 | 1940-11-26 | 2429931 | 1940-10-28 | 29 | SVO |
| -56 | 8.7 | 2430294 | 1941-10-26 | 2430276 | 1941-10-08 | 18 | SVO |
| -55 | 8.9 | 2430646 | 1942-10-13 | 2430622 | 1942-09-19 | 24 | SVO |
| -54 | 8.8 | 2430984 | 1943-09-16 | 2430968 | 1943-08-31 | 16 | SVO |
| -53 | 9.4 | 2431337 | 1944-09-03 | 2431314 | 1944-08-11 | 23 | SVO |
| -52 | 9.2 | 2431683 | 1945-08-15 | 2431660 | 1945-07-23 | 23 | SVO |
| -51 | 8.7 | 2432018 | 1946-07-16 | 2432005 | 1946-07-03 | 13 | AAVSO |
| -50 | 9.1 | 2432366 | 1947-06-29 | 2432351 | 1947-06-14 | 15 | SVO |
| -49 | 9.0 | 2432710 | 1948-06-07 | 2432697 | 1948-05-25 | 13 | AAVSO |
| -48 | 9.6 | 2433046 | 1949-05-09 | 2433043 | 1949-05-06 | 3 | AAVSO |
| -47 | 11.5 | 2433378 | 1950-04-06 | 2433389 | 1950-04-17 | -11 | AAVSO |
| -46 | 9.5 | 2433733 | 1951-03-27 | 2433734 | 1951-03-28 | -1 | AAVSO |
| -45 | 9.1 | 2434085 | 1952-03-13 | 2434080 | 1952-03-08 | 5 | SVO |
| -44 | 9.0 | 2434426 | 1953-02-17 | 2434426 | 1953-02-17 | 0 | SVO |
| -43 | 8.8 | 2434781 | 1954-02-07 | 2434772 | 1954-01-29 | 9 | AAVSO |
| -42 | 9.0 | 2435124 | 1955-01-16 | 2435118 | 1955-01-10 | 6 | SVO |
| -41 | 8.9 | 2435470 | 1955-12-28 | 2435463 | 1955-12-21 | 7 | SVO |
| -40 | 9.0 | 2435806 | 1956-11-28 | 2435809 | 1956-12-01 | -3 | SVO |
| -39 | 9.2 | 2436157 | 1957-11-14 | 2436155 | 1957-11-12 | 2 | SVO |
| -38 | 8.7 | 2436480 | 1958-10-03 | 2436501 | 1958-10-24 | -21 | SVO |
| -37 | 9.4 | 2436847 | 1959-10-05 | 2436847 | 1959-10-05 | 0 | SVO |
| -36 | 8.9 | 2437187 | 1960-09-09 | 2437192 | 1960-09-14 | -5 | SVO |
| -35 | 8.9 | 2437515 | 1961-08-03 | 2437538 | 1961-08-26 | -23 | SVO |
| -34 | 8.9 | 2437876 | 1962-07-30 | 2437884 | 1962-08-07 | -8 | SVO |
| -33 | 9.1 | 2438221 | 1963-07-10 | 2438230 | 1963-07-19 | -9 | AAVSO |
| -32 | 9.8 | 2438567 | 1964-06-20 | 2438576 | 1964-06-29 | -9 | AAVSO |
| -31 | 9.5 | 2438913 | 1965-06-01 | 2438921 | 1965-06-09 | -8 | AAVSO |
| -30 | 8.8 | 2439258 | 1966-05-12 | 2439267 | 1966-05-21 | -9 | AAVSO |
| -29 | 9.2 | 2439617 | 1967-05-06 | 2439613 | 1967-05-02 | 4 | SVO |
| -28 | 8.9 | 2439950 | 1968-04-03 | 2439959 | 1968-04-12 | -9 | SVO |
| -27 | 8.7 | 2440287 | 1969-03-06 | 2440305 | 1969-03-24 | -18 | SVO |
| -26 | 8.9 | 2440642 | 1970-02-24 | 2440651 | 1970-03-05 | -9 | SVO |
| -25 | 9.0 | 2441002 | 1971-02-19 | 2440996 | 1971-02-13 | 6 | SVO |
| -24 | 8.8 | 2441346 | 1972-01-29 | 2441342 | 1972-01-25 | 4 | SVO |
| -23 | 9.0 | 2441695 | 1973-01-12 | 2441688 | 1973-01-05 | 7 | SVO |
| -22 | 8.7 | 2442039 | 1973-12-22 | 2442034 | 1973-12-17 | 5 | SVO |
| -21 | 9.1 | 2442396 | 1974-12-14 | 2442380 | 1974-11-28 | 16 | SVO |
| -20 | 8.7 | 2442731 | 1975-11-14 | 2442725 | 1975-11-08 | 6 | SVO |
| -19 | 8.7 | 2443084 | 1976-11-01 | 2443071 | 1976-10-19 | 13 | SVO |
| -18 | 8.7 | 2443427 | 1977-10-10 | 2443417 | 1977-09-30 | 10 | SVO |
| -17 | 9.1 | 2443777 | 1978-09-25 | 2443763 | 1978-09-11 | 14 | SVO |
| -16 | 8.9 | 2444118 | 1979-09-01 | 2444109 | 1979-08-23 | 9 | SVO |
| -15 | 9.0 | 2444469 | 1980-08-17 | 2444454 | 1980-08-02 | 15 | SVO |
| -14 | 8.9 | 2444811 | 1981-07-25 | 2444800 | 1981-07-14 | 11 | SVO |
| -13 | 9.1 | 2445153 | 1982-07-02 | 2445146 | 1982-06-25 | 7 | SVO |
| -12 | 9.3 | 2445500 | 1983-06-14 | 2445492 | 1983-06-06 | 8 | SVO |
| -11 | 8.9 | 2445829 | 1984-05-08 | 2445838 | 1984-05-17 | -9 | SVO |
| -10 | 9.7 | 2446177 | 1985-04-21 | 2446183 | 1985-04-27 | -6 | SVO |
| -9 | 9.2 | 2446507 | 1986-03-17 | 2446529 | 1986-04-08 | -22 | SVO |
| -8 | 9.7 | 2446863 | 1987-03-08 | 2446875 | 1987-03-20 | -12 | SVO |
| -7 | 8.9 | 2447182 | 1988-01-21 | 2447221 | 1988-02-29 | -39 | SVO |
| -6 | 9.9 | 2447554 | 1989-01-27 | 2447567 | 1989-02-09 | -13 | SVO |
| -5 | 8.9 | 2447871 | 1989-12-10 | 2447912 | 1990-01-20 | -41 | SVO |
| -4 | 9.5 | 2448240 | 1990-12-14 | 2448258 | 1991-01-01 | -18 | SVO |
| -3 | 8.9 | 2448578 | 1991-11-17 | 2448604 | 1991-12-13 | -26 | SVO |
| -2 | 9.1 | 2448936 | 1992-11-09 | 2448950 | 1992-11-23 | -14 | SVO |
| -1 | 8.7 | 2449270 | 1993-10-09 | 2449296 | 1993-11-04 | -26 | SVO |
| 0 | 9.6 | 2449625 | 1994-09-29 | 2449641 | 1994-10-15 | -16 | SVO |
| 1 | 8.8 | 2449959 | 1995-08-29 | 2449987 | 1995-09-26 | -28 | SVO |
| 2 | 9.6 | 2450325 | 1996-08-29 | 2450333 | 1996-09-06 | -8 | SVO |
| 3 | 9.1 | 2450670 | 1997-08-09 | 2450679 | 1997-08-18 | -9 | SVO |
| 4 | 8.7 | 2451002 | 1998-07-07 | 2451025 | 1998-07-30 | -23 | SVO |
| 5 | 9.1 | 2451366 | 1999-07-06 | 2451370 | 1999-07-10 | -4 | SVO |
| 6 | 8.9 | 2451719 | 2000-06-23 | 2451716 | 2000-06-20 | 3 | SVO |
| 7 | 9.0 | 2452060 | 2001-05-30 | 2452062 | 2001-06-01 | -2 | SVO |
| 8 | 9.3 | 2452419 | 2002-05-24 | 2452408 | 2002-05-13 | 11 | SVO |
| 9 | 8.9 | 2452758 | 2003-04-28 | 2452754 | 2003-04-24 | 4 | SVO |
| 10 | 8.8 | 2453100 | 2004-04-04 | 2453099 | 2004-04-03 | 1 | SVO |
| 11 | 9.1 | 2453460 | 2005-03-30 | 2453445 | 2005-03-15 | 15 | SVO |
| 12 | 8.7 | 2453794 | 2006-02-27 | 2453791 | 2006-02-24 | 3 | SVO |
| 13 | 9.1 | 2454150 | 2007-02-18 | 2454137 | 2007-02-05 | 13 | SVO |
| 14 | 9.1 | 2454500 | 2008-02-03 | 2454483 | 2008-01-17 | 17 | SVO |
| 15 | 8.7 | 2454831 | 2008-12-30 | 2454829 | 2008-12-28 | 2 | SVO |
| 16 | 9.0 | 2455178 | 2009-12-12 | 2455174 | 2009-12-08 | 4 | SVO |
| 17 | 8.6 | 2455521 | 2010-11-20 | 2455520 | 2010-11-19 | 1 | SVO |
| 18 | 8.7 | 2455856 | 2011-10-21 | 2455866 | 2011-10-31 | -10 | SVO |
| 19 | 8.6 | 2456205 | 2012-10-04 | 2456212 | 2012-10-11 | -7 | SVO |
| 20 | 8.8 | 2456553 | 2013-09-17 | 2456558 | 2013-09-22 | -5 | SVO |
| 21 | 8.8 | 2456902 | 2014-09-01 | 2456903 | 2014-09-02 | -1 | SVO |
| 22 | 8.6 | 2457246 | 2015-08-11 | 2457249 | 2015-08-14 | -3 | SVO |
| 23 | 9.0 | 2457605 | 2016-08-04 | 2457595 | 2016-07-25 | 10 | SVO |
| 24 | 8.9 | 2457950 | 2017-07-15 | 2457941 | 2017-07-06 | 9 | SVO |
| 25 | 8.9 | 2458294 | 2018-06-24 | 2458287 | 2018-06-17 | 7 | SVO |
| 26 | 8.8 | 2458649 | 2019-06-14 | 2458632 | 2019-05-28 | 17 | SVO |
| 27 | 9.1 | 2459002 | 2020-06-01 | 2458978 | 2020-05-08 | 24 | SVO |
| 28 | 8.8 | 2459330 | 2021-04-25 | 2459324 | 2021-04-19 | 6 | SVO |
| 29 | 9.4 | 2459686 | 2022-04-16 | 2459670 | 2022-03-31 | 16 | 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. |