| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -104 | 2415494 | 1901-04-19 | 2415527 | 1901-05-22 | -33 | AAVSO | |
| -103 | 9.2 | 2415818 | 1902-03-09 | 2415855 | 1902-04-15 | -37 | AAVSO |
| -102 | 9.0 | 2416158 | 1903-02-12 | 2416183 | 1903-03-09 | -25 | AAVSO |
| -101 | 9.1 | 2416480 | 1903-12-31 | 2416511 | 1904-01-31 | -31 | AAVSO |
| -100 | 9.5 | 2416827 | 1904-12-12 | 2416838 | 1904-12-23 | -11 | AAVSO |
| -99 | 8.7 | 2417147 | 1905-10-28 | 2417166 | 1905-11-16 | -19 | AAVSO |
| -98 | 9.9 | 2417484 | 1906-09-30 | 2417494 | 1906-10-10 | -10 | AAVSO |
| -97 | 9.0 | 2417819 | 1907-08-31 | 2417822 | 1907-09-03 | -3 | AAVSO |
| -96 | 2418169 | 1908-08-15 | 2418150 | 1908-07-27 | 19 | AAVSO | |
| -95 | 9.0 | 2418493 | 1909-07-05 | 2418478 | 1909-06-20 | 15 | AAVSO |
| -94 | 2418832 | 1910-06-09 | 2418806 | 1910-05-14 | 26 | AAVSO | |
| -92 | 2419476 | 1912-03-14 | 2419462 | 1912-02-29 | 14 | AAVSO | |
| -91 | 9.0 | 2419804 | 1913-02-05 | 2419790 | 1913-01-22 | 14 | AAVSO |
| -90 | 9.2 | 2420134 | 1914-01-01 | 2420118 | 1913-12-16 | 16 | SVO |
| -89 | 9.1 | 2420465 | 1914-11-28 | 2420446 | 1914-11-09 | 19 | SVO |
| -88 | 9.5 | 2420787 | 1915-10-16 | 2420774 | 1915-10-03 | 13 | SVO |
| -87 | 9.1 | 2421124 | 1916-09-17 | 2421101 | 1916-08-25 | 23 | SVO |
| -86 | 9.4 | 2421450 | 1917-08-09 | 2421429 | 1917-07-19 | 21 | AAVSO |
| -85 | 8.5 | 2421767 | 1918-06-22 | 2421757 | 1918-06-12 | 10 | AAVSO |
| -84 | 2422116 | 1919-06-06 | 2422085 | 1919-05-06 | 31 | AAVSO | |
| -83 | 2422428 | 1920-04-13 | 2422413 | 1920-03-29 | 15 | AAVSO | |
| -82 | 2422770 | 1921-03-21 | 2422741 | 1921-02-20 | 29 | AAVSO | |
| -81 | 8.7 | 2423088 | 1922-02-02 | 2423069 | 1922-01-14 | 19 | SVO |
| -80 | 9.5 | 2423410 | 1922-12-21 | 2423397 | 1922-12-08 | 13 | AAVSO |
| -79 | 9.3 | 2423747 | 1923-11-23 | 2423725 | 1923-11-01 | 22 | SVO |
| -78 | 8.5 | 2424069 | 1924-10-10 | 2424053 | 1924-09-24 | 16 | SVO |
| -77 | 9.0 | 2424387 | 1925-08-24 | 2424381 | 1925-08-18 | 6 | SVO |
| -76 | 8.9 | 2424705 | 1926-07-08 | 2424709 | 1926-07-12 | -4 | AAVSO |
| -75 | 2425046 | 1927-06-14 | 2425037 | 1927-06-05 | 9 | AAVSO | |
| -74 | 2425386 | 1928-05-19 | 2425365 | 1928-04-28 | 21 | AAVSO | |
| -73 | 2425709 | 1929-04-07 | 2425692 | 1929-03-21 | 17 | AAVSO | |
| -72 | 8.4 | 2426030 | 1930-02-22 | 2426020 | 1930-02-12 | 10 | AAVSO |
| -71 | 9.5 | 2426371 | 1931-01-29 | 2426348 | 1931-01-06 | 23 | SVO |
| -70 | 8.6 | 2426690 | 1931-12-14 | 2426676 | 1931-11-30 | 14 | AAVSO |
| -69 | 8.7 | 2427012 | 1932-10-31 | 2427004 | 1932-10-23 | 8 | SVO |
| -68 | 9.1 | 2427341 | 1933-09-25 | 2427332 | 1933-09-16 | 9 | SVO |
| -67 | 9.0 | 2427670 | 1934-08-20 | 2427660 | 1934-08-10 | 10 | SVO |
| -66 | 9.2 | 2427991 | 1935-07-07 | 2427988 | 1935-07-04 | 3 | AAVSO |
| -65 | 9.4 | 2428322 | 1936-06-02 | 2428316 | 1936-05-27 | 6 | AAVSO |
| -64 | 2428646 | 1937-04-22 | 2428644 | 1937-04-20 | 2 | AAVSO | |
| -63 | 9.1 | 2428976 | 1938-03-18 | 2428972 | 1938-03-14 | 4 | AAVSO |
| -62 | 9.3 | 2429297 | 1939-02-02 | 2429300 | 1939-02-05 | -3 | AAVSO |
| -61 | 8.9 | 2429629 | 1939-12-31 | 2429628 | 1939-12-30 | 1 | SVO |
| -60 | 9.0 | 2429953 | 1940-11-19 | 2429955 | 1940-11-21 | -2 | SVO |
| -59 | 9.3 | 2430283 | 1941-10-15 | 2430283 | 1941-10-15 | 0 | SVO |
| -58 | 9.0 | 2430605 | 1942-09-02 | 2430611 | 1942-09-08 | -6 | SVO |
| -57 | 9.1 | 2430929 | 1943-07-23 | 2430939 | 1943-08-02 | -10 | AAVSO |
| -56 | 9.8 | 2431245 | 1944-06-03 | 2431267 | 1944-06-25 | -22 | AAVSO |
| -55 | 8.7 | 2431587 | 1945-05-11 | 2431595 | 1945-05-19 | -8 | SVO |
| -54 | 2431920 | 1946-04-09 | 2431923 | 1946-04-12 | -3 | AAVSO | |
| -53 | 9.0 | 2432224 | 1947-02-07 | 2432251 | 1947-03-06 | -27 | AAVSO |
| -52 | 8.9 | 2432546 | 1947-12-26 | 2432579 | 1948-01-28 | -33 | SVO |
| -51 | 9.4 | 2432871 | 1948-11-15 | 2432907 | 1948-12-21 | -36 | SVO |
| -50 | 9.1 | 2433203 | 1949-10-13 | 2433235 | 1949-11-14 | -32 | SVO |
| -49 | 9.3 | 2433535 | 1950-09-10 | 2433563 | 1950-10-08 | -28 | SVO |
| -48 | 9.1 | 2433871 | 1951-08-12 | 2433891 | 1951-09-01 | -20 | AAVSO |
| -47 | 8.8 | 2434201 | 1952-07-07 | 2434219 | 1952-07-25 | -18 | AAVSO |
| -46 | 2434512 | 1953-05-14 | 2434546 | 1953-06-17 | -34 | AAVSO | |
| -45 | 2434851 | 1954-04-18 | 2434874 | 1954-05-11 | -23 | AAVSO | |
| -44 | 2435193 | 1955-03-26 | 2435202 | 1955-04-04 | -9 | AAVSO | |
| -43 | 8.7 | 2435504 | 1956-01-31 | 2435530 | 1956-02-26 | -26 | AAVSO |
| -42 | 9.1 | 2435838 | 1956-12-30 | 2435858 | 1957-01-19 | -20 | SVO |
| -41 | 8.7 | 2436165 | 1957-11-22 | 2436186 | 1957-12-13 | -21 | SVO |
| -40 | 9.8 | 2436506 | 1958-10-29 | 2436514 | 1958-11-06 | -8 | SVO |
| -39 | 8.8 | 2436832 | 1959-09-20 | 2436842 | 1959-09-30 | -10 | SVO |
| -38 | 10.3 | 2437170 | 1960-08-23 | 2437170 | 1960-08-23 | 0 | AAVSO |
| -37 | 8.8 | 2437488 | 1961-07-07 | 2437498 | 1961-07-17 | -10 | AAVSO |
| -36 | 2437811 | 1962-05-26 | 2437826 | 1962-06-10 | -15 | AAVSO | |
| -35 | 2438139 | 1963-04-19 | 2438154 | 1963-05-04 | -15 | AAVSO | |
| -34 | 2438486 | 1964-03-31 | 2438482 | 1964-03-27 | 4 | AAVSO | |
| -33 | 9.0 | 2438806 | 1965-02-14 | 2438809 | 1965-02-17 | -3 | AAVSO |
| -32 | 9.4 | 2439129 | 1966-01-03 | 2439137 | 1966-01-11 | -8 | SVO |
| -31 | 8.8 | 2439457 | 1966-11-27 | 2439465 | 1966-12-05 | -8 | SVO |
| -30 | 10.0 | 2439788 | 1967-10-24 | 2439793 | 1967-10-29 | -5 | SVO |
| -29 | 8.6 | 2440115 | 1968-09-15 | 2440121 | 1968-09-21 | -6 | SVO |
| -28 | 9.2 | 2440439 | 1969-08-05 | 2440449 | 1969-08-15 | -10 | AAVSO |
| -27 | 9.0 | 2440770 | 1970-07-02 | 2440777 | 1970-07-09 | -7 | AAVSO |
| -26 | 2441113 | 1971-06-10 | 2441105 | 1971-06-02 | 8 | AAVSO | |
| -25 | 2441441 | 1972-05-03 | 2441433 | 1972-04-25 | 8 | AAVSO | |
| -24 | 9.2 | 2441764 | 1973-03-22 | 2441761 | 1973-03-19 | 3 | AAVSO |
| -23 | 10.1 | 2442090 | 1974-02-11 | 2442089 | 1974-02-10 | 1 | AAVSO |
| -22 | 9.6 | 2442421 | 1975-01-08 | 2442417 | 1975-01-04 | 4 | SVO |
| -21 | 8.6 | 2442738 | 1975-11-21 | 2442745 | 1975-11-28 | -7 | SVO |
| -20 | 9.5 | 2443071 | 1976-10-19 | 2443073 | 1976-10-21 | -2 | SVO |
| -19 | 9.0 | 2443396 | 1977-09-09 | 2443400 | 1977-09-13 | -4 | SVO |
| -18 | 9.3 | 2443728 | 1978-08-07 | 2443728 | 1978-08-07 | 0 | SVO |
| -17 | 9.5 | 2444062 | 1979-07-07 | 2444056 | 1979-07-01 | 6 | SVO |
| -16 | 8.4 | 2444370 | 1980-05-10 | 2444384 | 1980-05-24 | -14 | SVO |
| -15 | 9.8 | 2444719 | 1981-04-24 | 2444712 | 1981-04-17 | 7 | SVO |
| -14 | 8.6 | 2445036 | 1982-03-07 | 2445040 | 1982-03-11 | -4 | SVO |
| -13 | 9.2 | 2445380 | 1983-02-14 | 2445368 | 1983-02-02 | 12 | AAVSO |
| -12 | 9.6 | 2445707 | 1984-01-07 | 2445696 | 1983-12-27 | 11 | SVO |
| -11 | 9.1 | 2446033 | 1984-11-28 | 2446024 | 1984-11-19 | 9 | SVO |
| -10 | 9.5 | 2446361 | 1985-10-22 | 2446352 | 1985-10-13 | 9 | SVO |
| -9 | 9.4 | 2446690 | 1986-09-16 | 2446680 | 1986-09-06 | 10 | SVO |
| -8 | 8.4 | 2447001 | 1987-07-24 | 2447008 | 1987-07-31 | -7 | SVO |
| -7 | 9.0 | 2447339 | 1988-06-26 | 2447336 | 1988-06-23 | 3 | SVO |
| -6 | 2447688 | 1989-06-10 | 2447664 | 1989-05-17 | 24 | AAVSO | |
| -5 | 8.6 | 2447998 | 1990-04-16 | 2447991 | 1990-04-09 | 7 | SVO |
| -4 | 9.2 | 2448321 | 1991-03-05 | 2448319 | 1991-03-03 | 2 | SVO |
| -3 | 9.0 | 2448647 | 1992-01-25 | 2448647 | 1992-01-25 | 0 | SVO |
| -2 | 9.3 | 2448988 | 1992-12-31 | 2448975 | 1992-12-18 | 13 | SVO |
| -1 | 8.7 | 2449305 | 1993-11-13 | 2449303 | 1993-11-11 | 2 | SVO |
| 0 | 9.3 | 2449641 | 1994-10-15 | 2449631 | 1994-10-05 | 10 | SVO |
| 1 | 8.8 | 2449966 | 1995-09-05 | 2449959 | 1995-08-29 | 7 | SVO |
| 2 | 9.0 | 2450290 | 1996-07-25 | 2450287 | 1996-07-22 | 3 | SVO |
| 3 | 9.3 | 2450619 | 1997-06-19 | 2450615 | 1997-06-15 | 4 | SVO |
| 4 | 9.2 | 2450950 | 1998-05-16 | 2450943 | 1998-05-09 | 7 | SVO |
| 5 | 9.2 | 2451276 | 1999-04-07 | 2451271 | 1999-04-02 | 5 | SVO |
| 6 | 9.1 | 2451604 | 2000-02-29 | 2451599 | 2000-02-24 | 5 | SVO |
| 7 | 9.9 | 2451936 | 2001-01-26 | 2451927 | 2001-01-17 | 9 | SVO |
| 8 | 9.1 | 2452261 | 2001-12-17 | 2452254 | 2001-12-10 | 7 | SVO |
| 9 | 8.8 | 2452586 | 2002-11-07 | 2452582 | 2002-11-03 | 4 | SVO |
| 10 | 9.6 | 2452919 | 2003-10-06 | 2452910 | 2003-09-27 | 9 | SVO |
| 11 | 9.4 | 2453247 | 2004-08-29 | 2453238 | 2004-08-20 | 9 | SVO |
| 12 | 9.0 | 2453572 | 2005-07-20 | 2453566 | 2005-07-14 | 6 | SVO |
| 13 | 9.0 | 2453893 | 2006-06-06 | 2453894 | 2006-06-07 | -1 | SVO |
| 14 | 9.9 | 2454228 | 2007-05-07 | 2454222 | 2007-05-01 | 6 | SVO |
| 15 | 9.2 | 2454554 | 2008-03-28 | 2454550 | 2008-03-24 | 4 | SVO |
| 16 | 9.0 | 2454880 | 2009-02-17 | 2454878 | 2009-02-15 | 2 | SVO |
| 17 | 8.8 | 2455201 | 2010-01-04 | 2455206 | 2010-01-09 | -5 | SVO |
| 18 | 9.5 | 2455529 | 2010-11-28 | 2455534 | 2010-12-03 | -5 | SVO |
| 19 | 8.9 | 2455852 | 2011-10-17 | 2455862 | 2011-10-27 | -10 | SVO |
| 20 | 9.1 | 2456176 | 2012-09-05 | 2456190 | 2012-09-19 | -14 | SVO |
| 21 | 8.7 | 2456505 | 2013-07-31 | 2456518 | 2013-08-13 | -13 | SVO |
| 22 | 9.6 | 2456838 | 2014-06-29 | 2456845 | 2014-07-06 | -7 | SVO |
| 23 | 9.4 | 2457178 | 2015-06-04 | 2457173 | 2015-05-30 | 5 | SVO |
| 24 | 9.2 | 2457492 | 2016-04-13 | 2457501 | 2016-04-22 | -9 | SVO |
| 25 | 9.1 | 2457833 | 2017-03-20 | 2457829 | 2017-03-16 | 4 | SVO |
| 26 | 9.5 | 2458169 | 2018-02-19 | 2458157 | 2018-02-07 | 12 | SVO |
| 27 | 8.9 | 2458482 | 2018-12-29 | 2458485 | 2019-01-01 | -3 | SVO |
| 28 | 9.9 | 2458820 | 2019-12-02 | 2458813 | 2019-11-25 | 7 | SVO |
| 29 | 8.9 | 2459149 | 2020-10-26 | 2459141 | 2020-10-18 | 8 | SVO |
| 30 | 9.2 | 2459469 | 2021-09-11 | 2459469 | 2021-09-11 | 0 | SVO |
| 31 | 9.1 | 2459807 | 2022-08-15 | 2459797 | 2022-08-05 | 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. |