| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -95 | 2411510 | 1890-05-22 | 2411451 | 1890-03-24 | 59 | SVO | |
| -89 | 2413330 | 1895-05-16 | 2413270 | 1895-03-17 | 60 | SVO | |
| -87 | 2413934 | 1897-01-09 | 2413877 | 1896-11-13 | 57 | SVO | |
| -83 | 2415160 | 1900-05-20 | 2415090 | 1900-03-11 | 70 | SVO | |
| -82 | 2415470 | 1901-03-26 | 2415393 | 1901-01-08 | 77 | SVO | |
| -81 | 2415760 | 1902-01-10 | 2415696 | 1901-11-07 | 64 | SVO | |
| -80 | 2416060 | 1902-11-06 | 2415999 | 1902-09-06 | 61 | SVO | |
| -78 | 2416665 | 1904-07-03 | 2416606 | 1904-05-05 | 59 | SVO | |
| -77 | 2416960 | 1905-04-24 | 2416909 | 1905-03-04 | 51 | SVO | |
| -76 | 2417260 | 1906-02-18 | 2417212 | 1906-01-01 | 48 | SVO | |
| -75 | 2417560 | 1906-12-15 | 2417516 | 1906-11-01 | 44 | SVO | |
| -72 | 2418450 | 1909-05-23 | 2418425 | 1909-04-28 | 25 | SVO | |
| -71 | 2418756 | 1910-03-25 | 2418729 | 1910-02-26 | 27 | SVO | |
| -70 | 2419050 | 1911-01-13 | 2419032 | 1910-12-26 | 18 | SVO | |
| -69 | 2419350 | 1911-11-09 | 2419335 | 1911-10-25 | 15 | SVO | |
| -67 | 2419940 | 1913-06-21 | 2419942 | 1913-06-23 | -2 | SVO | |
| -66 | 2420230 | 1914-04-07 | 2420245 | 1914-04-22 | -15 | SVO | |
| -65 | 2420530 | 1915-02-01 | 2420548 | 1915-02-19 | -18 | SVO | |
| -64 | 2420820 | 1915-11-18 | 2420851 | 1915-12-19 | -31 | SVO | |
| -61 | 2421720 | 1918-05-06 | 2421761 | 1918-06-16 | -41 | SVO | |
| -60 | 2422010 | 1919-02-20 | 2422064 | 1919-04-15 | -54 | SVO | |
| -59 | 2422320 | 1919-12-27 | 2422367 | 1920-02-12 | -47 | SVO | |
| -56 | 2423210 | 1922-06-04 | 2423277 | 1922-08-10 | -67 | SVO | |
| -55 | 2423520 | 1923-04-10 | 2423580 | 1923-06-09 | -60 | SVO | |
| -54 | 2423827 | 1924-02-11 | 2423884 | 1924-04-08 | -57 | SVO | |
| -53 | 2424135 | 1924-12-15 | 2424187 | 1925-02-05 | -52 | SVO | |
| -49 | 2425352 | 1928-04-15 | 2425400 | 1928-06-02 | -48 | SVO | |
| -48 | 2425663 | 1929-02-20 | 2425703 | 1929-04-01 | -40 | GuL, 1936, 2.2 | |
| -47 | 2425980 | 1930-01-03 | 2426006 | 1930-01-29 | -26 | SVO | |
| -46 | 2426290 | 1930-11-09 | 2426310 | 1930-11-29 | -20 | SVO | |
| -44 | 2426890 | 1932-07-01 | 2426916 | 1932-07-27 | -26 | SVO | |
| -43 | 2427200 | 1933-05-07 | 2427219 | 1933-05-26 | -19 | SVO | |
| -42 | 2427509 | 1934-03-12 | 2427523 | 1934-03-26 | -14 | SVO | |
| -41 | 2427810 | 1935-01-07 | 2427826 | 1935-01-23 | -16 | SVO | |
| -37 | 2429015 | 1938-04-26 | 2429039 | 1938-05-20 | -24 | SVO | |
| -36 | 2429309 | 1939-02-14 | 2429342 | 1939-03-19 | -33 | SVO | |
| -35 | 2429610 | 1939-12-12 | 2429645 | 1940-01-16 | -35 | SVO | |
| -34 | 2429920 | 1940-10-17 | 2429949 | 1940-11-15 | -29 | SVO | |
| -32 | 2430525 | 1942-06-14 | 2430555 | 1942-07-14 | -30 | SVO | |
| -31 | 2430821 | 1943-04-06 | 2430858 | 1943-05-13 | -37 | SVO | |
| -30 | 2431145 | 1944-02-24 | 2431162 | 1944-03-12 | -17 | SVO | |
| -29 | 2431454 | 1944-12-29 | 2431465 | 1945-01-09 | -11 | SVO | |
| -28 | 2431760 | 1945-10-31 | 2431768 | 1945-11-08 | -8 | SVO | |
| -26 | 2432360 | 1947-06-23 | 2432374 | 1947-07-07 | -14 | SVO | |
| -25 | 2432674 | 1948-05-02 | 2432678 | 1948-05-06 | -4 | SVO | |
| -24 | 2432971 | 1949-02-23 | 2432981 | 1949-03-05 | -10 | SVO | |
| -23 | 2433279 | 1949-12-28 | 2433284 | 1950-01-02 | -5 | SVO | |
| -22 | 2433590 | 1950-11-04 | 2433587 | 1950-11-01 | 3 | SVO | |
| -8 | 2437850 | 1962-07-04 | 2437833 | 1962-06-17 | 17 | SVO | |
| -6 | 2438477 | 1964-03-22 | 2438439 | 1964-02-13 | 38 | MitVS, 1966, vol 4, p 28 | |
| -1 | 2439960 | 1968-04-13 | 2439956 | 1968-04-09 | 4 | SVO | |
| 0 | 2440265 | 1969-02-12 | 2440259 | 1969-02-06 | 6 | SVO | |
| 1 | 2440570 | 1969-12-14 | 2440562 | 1969-12-06 | 8 | SVO | |
| 5 | 2441770 | 1973-03-28 | 2441775 | 1973-04-02 | -5 | SVO | |
| 6 | 2442080 | 1974-02-01 | 2442078 | 1974-01-30 | 2 | SVO | |
| 7 | 9.4 | 2442373 | 1974-11-21 | 2442382 | 1974-11-30 | -9 | SVO |
| 10 | 2443290 | 1977-05-26 | 2443291 | 1977-05-27 | -1 | SVO | |
| 11 | 9.1 | 2443588 | 1978-03-20 | 2443594 | 1978-03-26 | -6 | SVO |
| 12 | 9.2 | 2443873 | 1978-12-30 | 2443898 | 1979-01-24 | -25 | SVO |
| 13 | 2444180 | 1979-11-02 | 2444201 | 1979-11-23 | -21 | SVO | |
| 15 | 2444790 | 1981-07-04 | 2444807 | 1981-07-21 | -17 | SVO | |
| 16 | 9.4 | 2445097 | 1982-05-07 | 2445111 | 1982-05-21 | -14 | SVO |
| 17 | 9.7 | 2445403 | 1983-03-09 | 2445414 | 1983-03-20 | -11 | SVO |
| 18 | 8.9 | 2445699 | 1983-12-30 | 2445717 | 1984-01-17 | -18 | SVO |
| 19 | 2445995 | 1984-10-21 | 2446020 | 1984-11-15 | -25 | SVO | |
| 20 | 9.5 | 2446308 | 1985-08-30 | 2446324 | 1985-09-15 | -16 | SVO |
| 21 | 2446620 | 1986-07-08 | 2446627 | 1986-07-15 | -7 | SVO | |
| 22 | 9.1 | 2446910 | 1987-04-24 | 2446930 | 1987-05-14 | -20 | SVO |
| 23 | 9.2 | 2447227 | 1988-03-06 | 2447233 | 1988-03-12 | -6 | SVO |
| 24 | 9.7 | 2447530 | 1989-01-03 | 2447537 | 1989-01-10 | -7 | SVO |
| 25 | 2447830 | 1989-10-30 | 2447840 | 1989-11-09 | -10 | SVO | |
| 26 | 2448130 | 1990-08-26 | 2448143 | 1990-09-08 | -13 | SVO | |
| 27 | 2448440 | 1991-07-02 | 2448446 | 1991-07-08 | -6 | SVO | |
| 28 | 9.0 | 2448746 | 1992-05-03 | 2448750 | 1992-05-07 | -4 | SVO |
| 29 | 9.4 | 2449048 | 1993-03-01 | 2449053 | 1993-03-06 | -5 | SVO |
| 30 | 9.2 | 2449350 | 1993-12-28 | 2449356 | 1994-01-03 | -6 | SVO |
| 31 | 2449650 | 1994-10-24 | 2449659 | 1994-11-02 | -9 | SVO | |
| 33 | 2450270 | 1996-07-05 | 2450266 | 1996-07-01 | 4 | SVO | |
| 34 | 9.5 | 2450569 | 1997-04-30 | 2450569 | 1997-04-30 | 0 | SVO |
| 35 | 9.5 | 2450865 | 1998-02-20 | 2450872 | 1998-02-27 | -7 | SVO |
| 36 | 8.8 | 2451169 | 1998-12-21 | 2451176 | 1998-12-28 | -7 | SVO |
| 37 | 2451465 | 1999-10-13 | 2451479 | 1999-10-27 | -14 | SVO | |
| 40 | 8.9 | 2452384 | 2002-04-19 | 2452389 | 2002-04-24 | -5 | SVO |
| 41 | 9.4 | 2452686 | 2003-02-15 | 2452692 | 2003-02-21 | -6 | SVO |
| 42 | 8.8 | 2452987 | 2003-12-13 | 2452995 | 2003-12-21 | -8 | SVO |
| 43 | 9.4 | 2453302 | 2004-10-23 | 2453298 | 2004-10-19 | 4 | SVO |
| 44 | 9.7 | 2453601 | 2005-08-18 | 2453602 | 2005-08-19 | -1 | SVO |
| 45 | 2453910 | 2006-06-23 | 2453905 | 2006-06-18 | 5 | SVO | |
| 46 | 9.5 | 2454212 | 2007-04-21 | 2454208 | 2007-04-17 | 4 | SVO |
| 47 | 9.6 | 2454529 | 2008-03-03 | 2454511 | 2008-02-14 | 18 | SVO |
| 48 | 9.5 | 2454824 | 2008-12-23 | 2454814 | 2008-12-13 | 10 | SVO |
| 49 | 9.3 | 2455132 | 2009-10-27 | 2455118 | 2009-10-13 | 14 | SVO |
| 52 | 9.5 | 2456039 | 2012-04-21 | 2456027 | 2012-04-09 | 12 | SVO |
| 53 | 9.3 | 2456352 | 2013-02-28 | 2456331 | 2013-02-07 | 21 | SVO |
| 54 | 10.3 | 2456657 | 2013-12-30 | 2456634 | 2013-12-07 | 23 | SVO |
| 55 | 9.3 | 2456965 | 2014-11-03 | 2456937 | 2014-10-06 | 28 | SVO |
| 56 | 9.4 | 2457264 | 2015-08-29 | 2457240 | 2015-08-05 | 24 | SVO |
| 57 | 9.9 | 2457556 | 2016-06-16 | 2457544 | 2016-06-04 | 12 | SVO |
| 58 | 9.5 | 2457865 | 2017-04-21 | 2457847 | 2017-04-03 | 18 | SVO |
| 59 | 9.7 | 2458176 | 2018-02-26 | 2458150 | 2018-01-31 | 26 | SVO |
| 60 | 9.7 | 2458478 | 2018-12-25 | 2458453 | 2018-11-30 | 25 | SVO |
| 61 | 9.3 | 2458775 | 2019-10-18 | 2458757 | 2019-09-30 | 18 | SVO |
| 61 | 9.3 | 2458775 | 2019-10-18 | 2458757 | 2019-09-30 | 18 | SVO |
| 62 | 9.2 | 2459075 | 2020-08-13 | 2459060 | 2020-07-29 | 15 | SVO |
| 62 | 9.2 | 2459075 | 2020-08-13 | 2459060 | 2020-07-29 | 15 | SVO |
| 63 | 10.1 | 2459387 | 2021-06-21 | 2459363 | 2021-05-28 | 24 | SVO |
| 63 | 10.1 | 2459387 | 2021-06-21 | 2459363 | 2021-05-28 | 24 | SVO |
| 64 | 10.1 | 2459689 | 2022-04-19 | 2459666 | 2022-03-27 | 23 | SVO |
| 64 | 10.1 | 2459689 | 2022-04-19 | 2459666 | 2022-03-27 | 23 | 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. |