| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -67 | 2414960 | 1899-11-01 | 2415023 | 1900-01-03 | -63 | SVO | |
| -66 | 2415390 | 1901-01-05 | 2415438 | 1901-02-22 | -48 | SVO | |
| -65 | 2415820 | 1902-03-11 | 2415854 | 1902-04-14 | -34 | SVO | |
| -59 | 2418304 | 1908-12-28 | 2418348 | 1909-02-10 | -44 | SVO | |
| -58 | 2418742 | 1910-03-11 | 2418763 | 1910-04-01 | -21 | AN, 1935, vol 255, p 173 | |
| -54 | 2420430 | 1914-10-24 | 2420426 | 1914-10-20 | 4 | SVO | |
| -53 | 2420820 | 1915-11-18 | 2420841 | 1915-12-09 | -21 | SVO | |
| -52 | 2421250 | 1917-01-21 | 2421257 | 1917-01-28 | -7 | SVO | |
| -51 | 2421670 | 1918-03-17 | 2421673 | 1918-03-20 | -3 | SVO | |
| -48 | 2422940 | 1921-09-07 | 2422919 | 1921-08-17 | 21 | SVO | |
| -47 | 2423360 | 1922-11-01 | 2423335 | 1922-10-07 | 25 | SVO | |
| -46 | 2423770 | 1923-12-16 | 2423751 | 1923-11-27 | 19 | SVO | |
| -41 | 2425840 | 1929-08-16 | 2425829 | 1929-08-05 | 11 | SVO | |
| -40 | 2426270 | 1930-10-20 | 2426245 | 1930-09-25 | 25 | SVO | |
| -39 | 2426666 | 1931-11-20 | 2426660 | 1931-11-14 | 6 | SVO | |
| -38 | 2427065 | 1932-12-23 | 2427076 | 1933-01-03 | -11 | AN, 1935, vol 255, p 173 | |
| -37 | 2427480 | 1934-02-11 | 2427491 | 1934-02-22 | -11 | SVO | |
| -33 | 2429160 | 1938-09-18 | 2429154 | 1938-09-12 | 6 | SVO | |
| -32 | 2429583 | 1939-11-15 | 2429570 | 1939-11-02 | 13 | SVO | |
| -31 | 2429998 | 1941-01-03 | 2429985 | 1940-12-21 | 13 | SVO | |
| -30 | 2430410 | 1942-02-19 | 2430401 | 1942-02-10 | 9 | SVO | |
| -26 | 2432100 | 1946-10-06 | 2432063 | 1946-08-30 | 37 | SVO | |
| -25 | 2432509 | 1947-11-19 | 2432479 | 1947-10-20 | 30 | SVO | |
| -24 | 2432918 | 1949-01-01 | 2432895 | 1948-12-09 | 23 | SVO | |
| -12 | 2437924 | 1962-09-16 | 2437882 | 1962-08-05 | 42 | MitVS, 1977, vol 8, p 50 | |
| -10 | 2438784 | 1965-01-23 | 2438713 | 1964-11-13 | 71 | MitVS, 1977, vol 8, p 50 | |
| -9 | 2439176 | 1966-02-19 | 2439129 | 1966-01-03 | 47 | MitVS, 1977, vol 8, p 50 | |
| -8 | 2439581 | 1967-03-31 | 2439545 | 1967-02-23 | 36 | MitVS, 1977, vol 8, p 50 | |
| -7 | 2439999 | 1968-05-22 | 2439960 | 1968-04-13 | 39 | MitVS, 1977, vol 8, p 50 | |
| -3 | 2441630 | 1972-11-08 | 2441623 | 1972-11-01 | 7 | SVO | |
| -2 | 2442040 | 1973-12-23 | 2442038 | 1973-12-21 | 2 | SVO | |
| -1 | 10.7 | 2442429 | 1975-01-16 | 2442454 | 1975-02-10 | -25 | SVO |
| 0 | 10.6 | 2442853 | 1976-03-15 | 2442870 | 1976-04-01 | -17 | SVO |
| 4 | 2444530 | 1980-10-17 | 2444532 | 1980-10-19 | -2 | SVO | |
| 5 | 10.2 | 2444959 | 1981-12-20 | 2444948 | 1981-12-09 | 11 | SVO |
| 6 | 10.0 | 2445380 | 1983-02-14 | 2445363 | 1983-01-28 | 17 | SVO |
| 7 | 9.9 | 2445781 | 1984-03-21 | 2445779 | 1984-03-19 | 2 | SVO |
| 8 | 10.0 | 2446199 | 1985-05-13 | 2446195 | 1985-05-09 | 4 | SVO |
| 9 | 2446615 | 1986-07-03 | 2446610 | 1986-06-28 | 5 | SVO | |
| 10 | 10.1 | 2447026 | 1987-08-18 | 2447026 | 1987-08-18 | 0 | SVO |
| 11 | 10.1 | 2447443 | 1988-10-08 | 2447442 | 1988-10-07 | 1 | SVO |
| 12 | 10.0 | 2447865 | 1989-12-04 | 2447857 | 1989-11-26 | 8 | SVO |
| 13 | 10.0 | 2448284 | 1991-01-27 | 2448273 | 1991-01-16 | 11 | SVO |
| 14 | 9.5 | 2448694 | 1992-03-12 | 2448688 | 1992-03-06 | 6 | SVO |
| 15 | 10.3 | 2449111 | 1993-05-03 | 2449104 | 1993-04-26 | 7 | SVO |
| 16 | 9.8 | 2449502 | 1994-05-29 | 2449520 | 1994-06-16 | -18 | SVO |
| 17 | 10.1 | 2449938 | 1995-08-08 | 2449935 | 1995-08-05 | 3 | SVO |
| 18 | 9.9 | 2450336 | 1996-09-09 | 2450351 | 1996-09-24 | -15 | SVO |
| 19 | 10.2 | 2450758 | 1997-11-05 | 2450767 | 1997-11-14 | -9 | SVO |
| 20 | 10.1 | 2451179 | 1998-12-31 | 2451182 | 1999-01-03 | -3 | SVO |
| 21 | 10.2 | 2451584 | 2000-02-09 | 2451598 | 2000-02-23 | -14 | SVO |
| 22 | 10.3 | 2451993 | 2001-03-24 | 2452013 | 2001-04-13 | -20 | SVO |
| 23 | 10.3 | 2452413 | 2002-05-18 | 2452429 | 2002-06-03 | -16 | SVO |
| 24 | 10.0 | 2452839 | 2003-07-18 | 2452845 | 2003-07-24 | -6 | SVO |
| 25 | 9.9 | 2453246 | 2004-08-28 | 2453260 | 2004-09-11 | -14 | SVO |
| 26 | 9.5 | 2453650 | 2005-10-06 | 2453676 | 2005-11-01 | -26 | SVO |
| 27 | 8.9 | 2454043 | 2006-11-03 | 2454092 | 2006-12-22 | -49 | SVO |
| 28 | 9.4 | 2454481 | 2008-01-15 | 2454507 | 2008-02-10 | -26 | SVO |
| 29 | 9.0 | 2454879 | 2009-02-16 | 2454923 | 2009-04-01 | -44 | SVO |
| 30 | 9.3 | 2455322 | 2010-05-05 | 2455339 | 2010-05-22 | -17 | SVO |
| 31 | 8.8 | 2455742 | 2011-06-29 | 2455754 | 2011-07-11 | -12 | SVO |
| 32 | 9.1 | 2456189 | 2012-09-18 | 2456170 | 2012-08-30 | 19 | SVO |
| 33 | 2456580 | 2013-10-14 | 2456585 | 2013-10-19 | -5 | SVO | |
| 34 | 8.9 | 2456991 | 2014-11-29 | 2457001 | 2014-12-09 | -10 | SVO |
| 35 | 8.6 | 2457389 | 2016-01-01 | 2457417 | 2016-01-29 | -28 | SVO |
| 36 | 8.9 | 2457820 | 2017-03-07 | 2457832 | 2017-03-19 | -12 | SVO |
| 37 | 8.8 | 2458245 | 2018-05-06 | 2458248 | 2018-05-09 | -3 | SVO |
| 38 | 8.7 | 2458688 | 2019-07-23 | 2458664 | 2019-06-29 | 24 | SVO |
| 39 | 9.2 | 2459093 | 2020-08-31 | 2459079 | 2020-08-17 | 14 | SVO |
| 40 | 8.9 | 2459511 | 2021-10-23 | 2459495 | 2021-10-07 | 16 | SVO |
| 41 | 8.8 | 2459929 | 2022-12-15 | 2459910 | 2022-11-26 | 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. |