| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -99 | 2414500 | 1898-07-29 | 2414533 | 1898-08-31 | -33 | SVO | |
| -98 | 2414885 | 1899-08-18 | 2414926 | 1899-09-28 | -41 | SVO | |
| -96 | 2415680 | 1901-10-22 | 2415711 | 1901-11-22 | -31 | SVO | |
| -95 | 2416070 | 1902-11-16 | 2416104 | 1902-12-20 | -34 | SVO | |
| -94 | 2416485 | 1904-01-05 | 2416497 | 1904-01-17 | -12 | SVO | |
| -93 | 2416870 | 1905-01-24 | 2416889 | 1905-02-12 | -19 | SVO | |
| -84 | 2420420 | 1914-10-14 | 2420424 | 1914-10-18 | -4 | SVO | |
| -82 | 2421190 | 1916-11-22 | 2421209 | 1916-12-11 | -19 | SVO | |
| -74 | 2424357 | 1925-07-25 | 2424351 | 1925-07-19 | 6 | GuL, 1934, 2.1 | |
| -73 | 2424716 | 1926-07-19 | 2424743 | 1926-08-15 | -27 | GuL, 1934, 2.1 | |
| -71 | 2425519 | 1928-09-29 | 2425529 | 1928-10-09 | -10 | GuL, 1934, 2.1 | |
| -70 | 2425916 | 1929-10-31 | 2425921 | 1929-11-05 | -5 | GuL, 1934, 2.1 | |
| -69 | 2426312 | 1930-12-01 | 2426314 | 1930-12-03 | -2 | SVO | |
| -68 | 2426723 | 1932-01-16 | 2426707 | 1931-12-31 | 16 | GuL, 1934, 2.1 | |
| -67 | 2427115 | 1933-02-11 | 2427100 | 1933-01-27 | 15 | AN, 1948, vol 276, p 11 | |
| -66 | 2427508 | 1934-03-11 | 2427492 | 1934-02-23 | 16 | AN, 1948, vol 276, p 11 | |
| -62 | 2429070 | 1938-06-20 | 2429063 | 1938-06-13 | 7 | SVO | |
| -61 | 2429491 | 1939-08-15 | 2429456 | 1939-07-11 | 35 | SVO | |
| -60 | 11.0 | 2429880 | 1940-09-07 | 2429848 | 1940-08-06 | 32 | SVO |
| -59 | 10.0 | 2430245 | 1941-09-07 | 2430241 | 1941-09-03 | 4 | SVO |
| -58 | 2430642 | 1942-10-09 | 2430634 | 1942-10-01 | 8 | MitVS, 1943, vol 1, p 46 | |
| -57 | 10.9 | 2431037 | 1943-11-08 | 2431027 | 1943-10-29 | 10 | SVO |
| -56 | 2431430 | 1944-12-05 | 2431419 | 1944-11-24 | 11 | SVO | |
| -55 | 2431830 | 1946-01-09 | 2431812 | 1945-12-22 | 18 | SVO | |
| -46 | 2435321 | 1955-08-01 | 2435346 | 1955-08-26 | -25 | JRASC, 1957, vol 51, p 259 | |
| -45 | 10.7 | 2435715 | 1956-08-29 | 2435739 | 1956-09-22 | -24 | SVO |
| -44 | 11.2 | 2436125 | 1957-10-13 | 2436132 | 1957-10-20 | -7 | SVO |
| -43 | 10.2 | 2436519 | 1958-11-11 | 2436524 | 1958-11-16 | -5 | SVO |
| -42 | 11.4 | 2436906 | 1959-12-03 | 2436917 | 1959-12-14 | -11 | SVO |
| -41 | 10.8 | 2437309 | 1961-01-09 | 2437310 | 1961-01-10 | -1 | SVO |
| -38 | 10.7 | 2438506 | 1964-04-20 | 2438488 | 1964-04-02 | 18 | SVO |
| -36 | 2439295 | 1966-06-18 | 2439273 | 1966-05-27 | 22 | MitVS, 1969, vol 5, p 93 | |
| -35 | 2439681 | 1967-07-09 | 2439666 | 1967-06-24 | 15 | MitVS, 1969, vol 5, p 93 | |
| -34 | 2440060 | 1968-07-22 | 2440059 | 1968-07-21 | 1 | MitVS, 1969, vol 5, p 93 | |
| -33 | 10.4 | 2440463 | 1969-08-29 | 2440451 | 1969-08-17 | 12 | SVO |
| -32 | 10.7 | 2440878 | 1970-10-18 | 2440844 | 1970-09-14 | 34 | SVO |
| -31 | 11.0 | 2441266 | 1971-11-10 | 2441237 | 1971-10-12 | 29 | SVO |
| -30 | 10.4 | 2441656 | 1972-12-04 | 2441630 | 1972-11-08 | 26 | SVO |
| -29 | 10.3 | 2442056 | 1974-01-08 | 2442022 | 1973-12-05 | 34 | SVO |
| -28 | 2442430 | 1975-01-17 | 2442415 | 1975-01-02 | 15 | SVO | |
| -26 | 2443220 | 1977-03-17 | 2443200 | 1977-02-25 | 20 | SVO | |
| -21 | 10.7 | 2445195 | 1982-08-13 | 2445164 | 1982-07-13 | 31 | SVO |
| -20 | 2445563 | 1983-08-16 | 2445557 | 1983-08-10 | 6 | AFOEV | |
| -19 | 10.9 | 2445962 | 1984-09-18 | 2445949 | 1984-09-05 | 13 | SVO |
| -18 | 10.8 | 2446355 | 1985-10-16 | 2446342 | 1985-10-03 | 13 | SVO |
| -17 | 10.6 | 2446754 | 1986-11-19 | 2446735 | 1986-10-31 | 19 | SVO |
| -16 | 10.5 | 2447140 | 1987-12-10 | 2447127 | 1987-11-27 | 13 | SVO |
| -15 | 2447551 | 1989-01-24 | 2447520 | 1988-12-24 | 31 | AFOEV | |
| -9 | 10.7 | 2449910 | 1995-07-11 | 2449876 | 1995-06-07 | 34 | SVO |
| -8 | 10.8 | 2450282 | 1996-07-17 | 2450269 | 1996-07-04 | 13 | SVO |
| -7 | 10.1 | 2450687 | 1997-08-26 | 2450662 | 1997-08-01 | 25 | SVO |
| -6 | 11.4 | 2451075 | 1998-09-18 | 2451054 | 1998-08-28 | 21 | SVO |
| -5 | 10.7 | 2451463 | 1999-10-11 | 2451447 | 1999-09-25 | 16 | SVO |
| -4 | 10.9 | 2451845 | 2000-10-27 | 2451840 | 2000-10-22 | 5 | SVO |
| -3 | 10.3 | 2452243 | 2001-11-29 | 2452232 | 2001-11-18 | 11 | SVO |
| -2 | 10.6 | 2452624 | 2002-12-15 | 2452625 | 2002-12-16 | -1 | SVO |
| -1 | 10.2 | 2453011 | 2004-01-06 | 2453018 | 2004-01-13 | -7 | SVO |
| 0 | 11.4 | 2453404 | 2005-02-02 | 2453411 | 2005-02-09 | -7 | SVO |
| 1 | 10.4 | 2453803 | 2006-03-08 | 2453803 | 2006-03-08 | 0 | SVO |
| 3 | 10.4 | 2454576 | 2008-04-19 | 2454589 | 2008-05-02 | -13 | SVO |
| 4 | 11.0 | 2454961 | 2009-05-09 | 2454981 | 2009-05-29 | -20 | SVO |
| 5 | 10.7 | 2455349 | 2010-06-01 | 2455374 | 2010-06-26 | -25 | SVO |
| 6 | 10.6 | 2455738 | 2011-06-25 | 2455767 | 2011-07-24 | -29 | SVO |
| 7 | 10.4 | 2456143 | 2012-08-03 | 2456159 | 2012-08-19 | -16 | SVO |
| 8 | 10.5 | 2456531 | 2013-08-26 | 2456552 | 2013-09-16 | -21 | SVO |
| 9 | 10.6 | 2456925 | 2014-09-24 | 2456945 | 2014-10-14 | -20 | SVO |
| 10 | 11.3 | 2457318 | 2015-10-22 | 2457338 | 2015-11-11 | -20 | SVO |
| 11 | 10.6 | 2457718 | 2016-11-25 | 2457730 | 2016-12-07 | -12 | SVO |
| 12 | 10.6 | 2458097 | 2017-12-09 | 2458123 | 2018-01-04 | -26 | SVO |
| 13 | 11.4 | 2458493 | 2019-01-09 | 2458516 | 2019-02-01 | -23 | SVO |
| 14 | 11.1 | 2458888 | 2020-02-08 | 2458908 | 2020-02-28 | -20 | SVO |
| 15 | 10.7 | 2459281 | 2021-03-07 | 2459301 | 2021-03-27 | -20 | SVO |
| 16 | 11.1 | 2459684 | 2022-04-14 | 2459694 | 2022-04-24 | -10 | SVO |
| 17 | 10.2 | 2460070 | 2023-05-05 | 2460086 | 2023-05-21 | -16 | SVO |
| 18 | 11.1 | 2460441 | 2024-05-10 | 2460479 | 2024-06-17 | -38 | 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. |