| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -164 | 2415115 | 1900-04-05 | 2415110 | 1900-03-31 | 5 | SVO | |
| -163 | 2415370 | 1900-12-16 | 2415364 | 1900-12-10 | 6 | SVO | |
| -161 | 2415880 | 1902-05-10 | 2415872 | 1902-05-02 | 8 | SVO | |
| -157 | 2416895 | 1905-02-18 | 2416888 | 1905-02-11 | 7 | SVO | |
| -154 | 2417645 | 1907-03-10 | 2417649 | 1907-03-14 | -4 | SVO | |
| -151 | 2418416 | 1909-04-19 | 2418411 | 1909-04-14 | 5 | SVO | |
| -148 | 2419167 | 1911-05-10 | 2419173 | 1911-05-16 | -6 | GuL, 1918, 1.1 | |
| -147 | 2419420 | 1912-01-18 | 2419427 | 1912-01-25 | -7 | SVO | |
| -145 | 2419920 | 1913-06-01 | 2419935 | 1913-06-16 | -15 | SVO | |
| -141 | 2420925 | 1916-03-02 | 2420950 | 1916-03-27 | -25 | SVO | |
| -138 | 2421690 | 1918-04-06 | 2421712 | 1918-04-28 | -22 | SVO | |
| -137 | 2421950 | 1918-12-22 | 2421966 | 1919-01-07 | -16 | SVO | |
| -134 | 2422730 | 1921-02-09 | 2422727 | 1921-02-06 | 3 | SVO | |
| -131 | 2423500 | 1923-03-21 | 2423489 | 1923-03-10 | 11 | SVO | |
| -128 | 2424270 | 1925-04-29 | 2424251 | 1925-04-10 | 19 | SVO | |
| -126 | 2424760 | 1926-09-01 | 2424759 | 1926-08-31 | 1 | GuL, 1934, 2.1 | |
| -125 | 2425045 | 1927-06-13 | 2425013 | 1927-05-12 | 32 | GuL, 1934, 2.1 | |
| -124 | 2425286 | 1928-02-09 | 2425266 | 1928-01-20 | 20 | GuL, 1934, 2.1 | |
| -122 | 2425790 | 1929-06-27 | 2425774 | 1929-06-11 | 16 | GuL, 1934, 2.1 | |
| -121 | 2426030 | 1930-02-22 | 2426028 | 1930-02-20 | 2 | SVO | |
| -118 | 2426802 | 1932-04-04 | 2426790 | 1932-03-23 | 12 | SVO | |
| -117 | 2427067 | 1932-12-25 | 2427044 | 1932-12-02 | 23 | GuL, 1934, 2.1 | |
| -115 | 2427560 | 1934-05-02 | 2427552 | 1934-04-24 | 8 | SVO | |
| -114 | 2427827 | 1935-01-24 | 2427805 | 1935-01-02 | 22 | SVO | |
| -112 | 2428325 | 1936-06-05 | 2428313 | 1936-05-24 | 12 | SVO | |
| -111 | 2428590 | 1937-02-25 | 2428567 | 1937-02-02 | 23 | SVO | |
| -109 | 2429095 | 1938-07-15 | 2429075 | 1938-06-25 | 20 | SVO | |
| -108 | 2429343 | 1939-03-20 | 2429329 | 1939-03-06 | 14 | SVO | |
| -107 | 2429598 | 1939-11-30 | 2429583 | 1939-11-15 | 15 | AN, 1942, vol 272, p 228 | |
| -105 | 2430104 | 1941-04-19 | 2430091 | 1941-04-06 | 13 | SVO | |
| -104 | 2430355 | 1941-12-26 | 2430344 | 1941-12-15 | 11 | SVO | |
| -102 | 2430860 | 1943-05-15 | 2430852 | 1943-05-07 | 8 | SVO | |
| -101 | 2431105 | 1944-01-15 | 2431106 | 1944-01-16 | -1 | SVO | |
| -99 | 2431615 | 1945-06-08 | 2431614 | 1945-06-07 | 1 | SVO | |
| -98 | 2431870 | 1946-02-18 | 2431868 | 1946-02-16 | 2 | SVO | |
| -96 | 2432370 | 1947-07-03 | 2432376 | 1947-07-09 | -6 | SVO | |
| -95 | 2432622 | 1948-03-11 | 2432630 | 1948-03-19 | -8 | SVO | |
| -92 | 2433375 | 1950-04-03 | 2433391 | 1950-04-19 | -16 | SVO | |
| -91 | 2433630 | 1950-12-14 | 2433645 | 1950-12-29 | -15 | SVO | |
| -86 | 2434892 | 1954-05-29 | 2434915 | 1954-06-21 | -23 | SVO | |
| -66 | 2439968 | 1968-04-21 | 2439993 | 1968-05-16 | -25 | SVO | |
| -63 | 10.1 | 2440725 | 1970-05-18 | 2440754 | 1970-06-16 | -29 | SVO |
| -56 | 10.2 | 2442508 | 1975-04-05 | 2442532 | 1975-04-29 | -24 | SVO |
| -53 | 10.3 | 2443278 | 1977-05-14 | 2443293 | 1977-05-29 | -15 | SVO |
| -52 | 2443530 | 1978-01-21 | 2443547 | 1978-02-07 | -17 | SVO | |
| -50 | 10.4 | 2444040 | 1979-06-15 | 2444055 | 1979-06-30 | -15 | SVO |
| -49 | 2444290 | 1980-02-20 | 2444309 | 1980-03-10 | -19 | SVO | |
| -48 | 2444560 | 1980-11-16 | 2444563 | 1980-11-19 | -3 | SVO | |
| -47 | 10.7 | 2444804 | 1981-07-18 | 2444817 | 1981-07-31 | -13 | SVO |
| -46 | 10.2 | 2445057 | 1982-03-28 | 2445071 | 1982-04-11 | -14 | SVO |
| -45 | 2445320 | 1982-12-16 | 2445325 | 1982-12-21 | -5 | SVO | |
| -44 | 2445580 | 1983-09-02 | 2445578 | 1983-08-31 | 2 | SVO | |
| -43 | 10.9 | 2445823 | 1984-05-02 | 2445832 | 1984-05-11 | -9 | SVO |
| -42 | 2446079 | 1985-01-13 | 2446086 | 1985-01-20 | -7 | SVO | |
| -41 | 10.4 | 2446335 | 1985-09-26 | 2446340 | 1985-10-01 | -5 | SVO |
| -40 | 10.5 | 2446591 | 1986-06-09 | 2446594 | 1986-06-12 | -3 | SVO |
| -39 | 10.5 | 2446845 | 1987-02-18 | 2446848 | 1987-02-21 | -3 | SVO |
| -38 | 10.0 | 2447090 | 1987-10-21 | 2447102 | 1987-11-02 | -12 | SVO |
| -37 | 10.6 | 2447357 | 1988-07-14 | 2447356 | 1988-07-13 | 1 | SVO |
| -36 | 11.0 | 2447611 | 1989-03-25 | 2447610 | 1989-03-24 | 1 | SVO |
| -35 | 10.1 | 2447861 | 1989-11-30 | 2447864 | 1989-12-03 | -3 | SVO |
| -34 | 10.2 | 2448115 | 1990-08-11 | 2448117 | 1990-08-13 | -2 | SVO |
| -33 | 10.6 | 2448371 | 1991-04-24 | 2448371 | 1991-04-24 | 0 | SVO |
| -32 | 2448630 | 1992-01-08 | 2448625 | 1992-01-03 | 5 | SVO | |
| -31 | 10.4 | 2448885 | 1992-09-19 | 2448879 | 1992-09-13 | 6 | SVO |
| -30 | 10.9 | 2449134 | 1993-05-26 | 2449133 | 1993-05-25 | 1 | SVO |
| -29 | 10.2 | 2449383 | 1994-01-30 | 2449387 | 1994-02-03 | -4 | SVO |
| -28 | 2449635 | 1994-10-09 | 2449641 | 1994-10-15 | -6 | SVO | |
| -27 | 10.0 | 2449889 | 1995-06-20 | 2449895 | 1995-06-26 | -6 | SVO |
| -26 | 10.5 | 2450154 | 1996-03-11 | 2450149 | 1996-03-06 | 5 | SVO |
| -25 | 2450405 | 1996-11-17 | 2450403 | 1996-11-15 | 2 | SVO | |
| -24 | 10.2 | 2450660 | 1997-07-30 | 2450656 | 1997-07-26 | 4 | SVO |
| -23 | 10.1 | 2450912 | 1998-04-08 | 2450910 | 1998-04-06 | 2 | SVO |
| -22 | 2451170 | 1998-12-22 | 2451164 | 1998-12-16 | 6 | SVO | |
| -21 | 10.3 | 2451421 | 1999-08-30 | 2451418 | 1999-08-27 | 3 | SVO |
| -20 | 10.5 | 2451672 | 2000-05-07 | 2451672 | 2000-05-07 | 0 | SVO |
| -19 | 11.0 | 2451928 | 2001-01-18 | 2451926 | 2001-01-16 | 2 | SVO |
| -18 | 10.3 | 2452177 | 2001-09-24 | 2452180 | 2001-09-27 | -3 | SVO |
| -17 | 10.5 | 2452435 | 2002-06-09 | 2452434 | 2002-06-08 | 1 | SVO |
| -16 | 10.0 | 2452689 | 2003-02-18 | 2452688 | 2003-02-17 | 1 | SVO |
| -15 | 2452945 | 2003-11-01 | 2452942 | 2003-10-29 | 3 | SVO | |
| -14 | 10.6 | 2453199 | 2004-07-12 | 2453195 | 2004-07-08 | 4 | SVO |
| -13 | 9.8 | 2453450 | 2005-03-20 | 2453449 | 2005-03-19 | 1 | SVO |
| -12 | 2453710 | 2005-12-05 | 2453703 | 2005-11-28 | 7 | SVO | |
| -11 | 10.9 | 2453959 | 2006-08-11 | 2453957 | 2006-08-09 | 2 | SVO |
| -10 | 10.0 | 2454204 | 2007-04-13 | 2454211 | 2007-04-20 | -7 | SVO |
| -9 | 2454460 | 2007-12-25 | 2454465 | 2007-12-30 | -5 | SVO | |
| -8 | 2454710 | 2008-08-31 | 2454719 | 2008-09-09 | -9 | SVO | |
| -7 | 10.8 | 2454974 | 2009-05-22 | 2454973 | 2009-05-21 | 1 | SVO |
| -6 | 11.2 | 2455228 | 2010-01-31 | 2455227 | 2010-01-30 | 1 | SVO |
| -5 | 10.2 | 2455487 | 2010-10-17 | 2455481 | 2010-10-11 | 6 | SVO |
| -4 | 10.1 | 2455727 | 2011-06-14 | 2455734 | 2011-06-21 | -7 | SVO |
| -3 | 10.2 | 2455982 | 2012-02-24 | 2455988 | 2012-03-01 | -6 | SVO |
| -2 | 10.8 | 2456233 | 2012-11-01 | 2456242 | 2012-11-10 | -9 | SVO |
| -1 | 10.9 | 2456484 | 2013-07-10 | 2456496 | 2013-07-22 | -12 | SVO |
| 0 | 10.3 | 2456744 | 2014-03-27 | 2456750 | 2014-04-02 | -6 | SVO |
| 1 | 10.4 | 2456991 | 2014-11-29 | 2457004 | 2014-12-12 | -13 | SVO |
| 2 | 10.5 | 2457241 | 2015-08-06 | 2457258 | 2015-08-23 | -17 | SVO |
| 3 | 10.5 | 2457494 | 2016-04-15 | 2457512 | 2016-05-03 | -18 | SVO |
| 4 | 10.2 | 2457740 | 2016-12-17 | 2457766 | 2017-01-12 | -26 | SVO |
| 5 | 10.5 | 2457990 | 2017-08-24 | 2458020 | 2017-09-23 | -30 | SVO |
| 6 | 10.9 | 2458258 | 2018-05-19 | 2458273 | 2018-06-03 | -15 | SVO |
| 7 | 10.4 | 2458507 | 2019-01-23 | 2458527 | 2019-02-12 | -20 | SVO |
| 8 | 11.3 | 2458760 | 2019-10-03 | 2458781 | 2019-10-24 | -21 | SVO |
| 9 | 11.0 | 2459022 | 2020-06-21 | 2459035 | 2020-07-04 | -13 | SVO |
| 10 | 10.2 | 2459274 | 2021-02-28 | 2459289 | 2021-03-15 | -15 | SVO |
| 11 | 2459530 | 2021-11-11 | 2459543 | 2021-11-24 | -13 | SVO | |
| 12 | 10.2 | 2459778 | 2022-07-17 | 2459797 | 2022-08-05 | -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. |