| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -66 | 2415390 | 1901-01-05 | 2415444 | 1901-02-28 | -54 | SVO | |
| -65 | 2415820 | 1902-03-11 | 2415859 | 1902-04-19 | -39 | SVO | |
| -59 | 2418327 | 1909-01-20 | 2418352 | 1909-02-14 | -25 | AN, 1935, vol 255, p 173 | |
| -58 | 2418742 | 1910-03-11 | 2418768 | 1910-04-06 | -26 | AN, 1935, vol 255, p 173 | |
| -54 | 2420430 | 1914-10-24 | 2420430 | 1914-10-24 | 0 | SVO | |
| -53 | 2420820 | 1915-11-18 | 2420846 | 1915-12-14 | -26 | SVO | |
| -52 | 2421260 | 1917-01-31 | 2421261 | 1917-02-01 | -1 | SVO | |
| -51 | 2421660 | 1918-03-07 | 2421677 | 1918-03-24 | -17 | SVO | |
| -48 | 2422940 | 1921-09-07 | 2422924 | 1921-08-22 | 16 | SVO | |
| -47 | 2423360 | 1922-11-01 | 2423339 | 1922-10-11 | 21 | SVO | |
| -46 | 2423770 | 1923-12-16 | 2423755 | 1923-12-01 | 15 | SVO | |
| -40 | 2426270 | 1930-10-20 | 2426248 | 1930-09-28 | 22 | SVO | |
| -39 | 2426666 | 1931-11-20 | 2426664 | 1931-11-18 | 2 | SVO | |
| -38 | 2427065 | 1932-12-23 | 2427079 | 1933-01-06 | -14 | AN, 1935, vol 255, p 173 | |
| -37 | 2427480 | 1934-02-11 | 2427495 | 1934-02-26 | -15 | SVO | |
| -33 | 2429160 | 1938-09-18 | 2429157 | 1938-09-15 | 3 | SVO | |
| -32 | 2429576 | 1939-11-08 | 2429573 | 1939-11-05 | 3 | AN, 1942, vol 272, p 228 | |
| -31 | 2429999 | 1941-01-04 | 2429988 | 1940-12-24 | 11 | SVO | |
| -30 | 2430410 | 1942-02-19 | 2430404 | 1942-02-13 | 6 | SVO | |
| -26 | 2432100 | 1946-10-06 | 2432066 | 1946-09-02 | 34 | SVO | |
| -25 | 2432509 | 1947-11-19 | 2432482 | 1947-10-23 | 27 | SVO | |
| -24 | 2432918 | 1949-01-01 | 2432897 | 1948-12-11 | 21 | SVO | |
| -12 | 2437924 | 1962-09-16 | 2437884 | 1962-08-07 | 40 | MitVS, 1977, vol 8, p 50 | |
| -10 | 2438784 | 1965-01-23 | 2438715 | 1964-11-15 | 69 | MitVS, 1977, vol 8, p 50 | |
| -9 | 2439176 | 1966-02-19 | 2439130 | 1966-01-04 | 46 | MitVS, 1977, vol 8, p 50 | |
| -8 | 2439581 | 1967-03-31 | 2439546 | 1967-02-24 | 35 | MitVS, 1977, vol 8, p 50 | |
| -7 | 2439999 | 1968-05-22 | 2439962 | 1968-04-15 | 37 | MitVS, 1977, vol 8, p 50 | |
| -3 | 2441630 | 1972-11-08 | 2441624 | 1972-11-02 | 6 | SVO | |
| -2 | 2442040 | 1973-12-23 | 2442039 | 1973-12-22 | 1 | SVO | |
| -1 | 10.7 | 2442429 | 1975-01-16 | 2442455 | 1975-02-11 | -26 | SVO |
| 0 | 10.6 | 2442853 | 1976-03-15 | 2442870 | 1976-04-01 | -17 | SVO |
| 4 | 2444530 | 1980-10-17 | 2444533 | 1980-10-20 | -3 | SVO | |
| 5 | 10.2 | 2444959 | 1981-12-20 | 2444948 | 1981-12-09 | 11 | SVO |
| 6 | 10.0 | 2445380 | 1983-02-14 | 2445364 | 1983-01-29 | 16 | 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 | 2446611 | 1986-06-29 | 4 | 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 | 2449519 | 1994-06-15 | -17 | 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 | 2450766 | 1997-11-13 | -8 | SVO |
| 20 | 10.1 | 2451179 | 1998-12-31 | 2451182 | 1999-01-03 | -3 | SVO |
| 21 | 10.2 | 2451584 | 2000-02-09 | 2451597 | 2000-02-22 | -13 | SVO |
| 22 | 10.3 | 2451993 | 2001-03-24 | 2452013 | 2001-04-13 | -20 | SVO |
| 23 | 10.3 | 2452413 | 2002-05-18 | 2452428 | 2002-06-02 | -15 | SVO |
| 24 | 10.0 | 2452839 | 2003-07-18 | 2452844 | 2003-07-23 | -5 | SVO |
| 25 | 9.9 | 2453246 | 2004-08-28 | 2453259 | 2004-09-10 | -13 | SVO |
| 26 | 9.5 | 2453650 | 2005-10-06 | 2453675 | 2005-10-31 | -25 | SVO |
| 27 | 8.9 | 2454043 | 2006-11-03 | 2454091 | 2006-12-21 | -48 | SVO |
| 28 | 9.4 | 2454481 | 2008-01-15 | 2454506 | 2008-02-09 | -25 | SVO |
| 29 | 9.0 | 2454879 | 2009-02-16 | 2454922 | 2009-03-31 | -43 | SVO |
| 30 | 9.3 | 2455322 | 2010-05-05 | 2455337 | 2010-05-20 | -15 | SVO |
| 31 | 8.8 | 2455742 | 2011-06-29 | 2455753 | 2011-07-10 | -11 | SVO |
| 32 | 9.1 | 2456189 | 2012-09-18 | 2456168 | 2012-08-28 | 21 | SVO |
| 33 | 2456580 | 2013-10-14 | 2456584 | 2013-10-18 | -4 | SVO | |
| 34 | 8.9 | 2456991 | 2014-11-29 | 2457000 | 2014-12-08 | -9 | SVO |
| 35 | 8.6 | 2457389 | 2016-01-01 | 2457415 | 2016-01-27 | -26 | SVO |
| 36 | 8.9 | 2457820 | 2017-03-07 | 2457831 | 2017-03-18 | -11 | SVO |
| 37 | 8.8 | 2458245 | 2018-05-06 | 2458246 | 2018-05-07 | -1 | SVO |
| 38 | 8.7 | 2458688 | 2019-07-23 | 2458662 | 2019-06-27 | 26 | SVO |
| 39 | 9.2 | 2459093 | 2020-08-31 | 2459077 | 2020-08-15 | 16 | SVO |
| 40 | 8.9 | 2459511 | 2021-10-23 | 2459493 | 2021-10-05 | 18 | SVO |
| 41 | 8.8 | 2459929 | 2022-12-15 | 2459908 | 2022-11-24 | 21 | 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. |