| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -79 | 2412730 | 1893-09-23 | 2405068 | 1872-10-01 | 7662 | SVO | |
| -76 | 2414050 | 1897-05-05 | 2406832 | 1877-07-31 | 7218 | SVO | |
| -74 | 2414850 | 1899-07-14 | 2408008 | 1880-10-19 | 6842 | SVO | |
| -73 | 2415286 | 1900-09-23 | 2408596 | 1882-05-30 | 6690 | PZ, 1954, vol 10, p 100 | |
| -72 | 2415735 | 1901-12-16 | 2409184 | 1884-01-08 | 6551 | SVO | |
| -71 | 2416150 | 1903-02-04 | 2409772 | 1885-08-18 | 6378 | SVO | |
| -68 | 2417375 | 1906-06-13 | 2411536 | 1890-06-17 | 5839 | SVO | |
| -67 | 2417800 | 1907-08-12 | 2412124 | 1892-01-26 | 5676 | SVO | |
| -66 | 2418250 | 1908-11-04 | 2412712 | 1893-09-05 | 5538 | SVO | |
| -65 | 2418680 | 1910-01-08 | 2413300 | 1895-04-16 | 5380 | SVO | |
| -62 | 2419995 | 1913-08-15 | 2415064 | 1900-02-13 | 4931 | SVO | |
| -61 | 2420420 | 1914-10-14 | 2415652 | 1901-09-24 | 4768 | SVO | |
| -60 | 2420860 | 1915-12-28 | 2416240 | 1903-05-05 | 4620 | SVO | |
| -58 | 2421750 | 1918-06-05 | 2417416 | 1906-07-24 | 4334 | SVO | |
| -57 | 2422205 | 1919-09-03 | 2418004 | 1908-03-03 | 4201 | SVO | |
| -56 | 2422640 | 1920-11-11 | 2418592 | 1909-10-12 | 4048 | SVO | |
| -54 | 2423580 | 1923-06-09 | 2419768 | 1912-12-31 | 3812 | SVO | |
| -53 | 2424030 | 1924-09-01 | 2420356 | 1914-08-11 | 3674 | SVO | |
| -50 | 2425413 | 1928-06-15 | 2422120 | 1919-06-10 | 3293 | PZ, 1954, vol 10, p 100 | |
| -49 | 2425850 | 1929-08-26 | 2422708 | 1921-01-18 | 3142 | PZ, 1954, vol 10, p 100 | |
| -48 | 2426333 | 1930-12-22 | 2423296 | 1922-08-29 | 3037 | PZ, 1954, vol 10, p 100 | |
| -47 | 2426772 | 1932-03-05 | 2423884 | 1924-04-08 | 2888 | PZ, 1954, vol 10, p 100 | |
| -46 | 2427230 | 1933-06-06 | 2424472 | 1925-11-17 | 2758 | SVO | |
| -45 | 2427697 | 1934-09-16 | 2425060 | 1927-06-28 | 2637 | SVO | |
| -44 | 2428180 | 1936-01-12 | 2425648 | 1929-02-05 | 2532 | PZ, 1954, vol 10, p 100 | |
| -42 | 2429108 | 1938-07-28 | 2426824 | 1932-04-26 | 2284 | PZ, 1954, vol 10, p 100 | |
| -41 | 2429544 | 1939-10-07 | 2427412 | 1933-12-05 | 2132 | SVO | |
| -38 | 2430925 | 1943-07-19 | 2429176 | 1938-10-04 | 1749 | SVO | |
| -37 | 2431380 | 1944-10-16 | 2429764 | 1940-05-14 | 1616 | SVO | |
| -34 | 2432775 | 1948-08-11 | 2431528 | 1945-03-13 | 1247 | PZ, 1954, vol 10, p 100 | |
| -33 | 2433217 | 1949-10-27 | 2432116 | 1946-10-22 | 1101 | PZ, 1954, vol 10, p 100 | |
| -19 | 11.0 | 2439858 | 1968-01-02 | 2440348 | 1969-05-06 | -490 | SVO |
| -18 | 2440340 | 1969-04-28 | 2440936 | 1970-12-15 | -596 | SVO | |
| -17 | 10.4 | 2440800 | 1970-08-01 | 2441524 | 1972-07-25 | -724 | SVO |
| -16 | 2441280 | 1971-11-24 | 2442112 | 1974-03-05 | -832 | SVO | |
| -15 | 2441760 | 1973-03-18 | 2442700 | 1975-10-14 | -940 | SVO | |
| -14 | 2442230 | 1974-07-01 | 2443288 | 1977-05-24 | -1058 | SVO | |
| -13 | 10.2 | 2442688 | 1975-10-02 | 2443876 | 1979-01-02 | -1188 | SVO |
| -12 | 10.7 | 2443153 | 1977-01-09 | 2444464 | 1980-08-12 | -1311 | SVO |
| -11 | 2443680 | 1978-06-20 | 2445052 | 1982-03-23 | -1372 | SVO | |
| -10 | 10.2 | 2444144 | 1979-09-27 | 2445640 | 1983-11-01 | -1496 | SVO |
| -9 | 2444670 | 1981-03-06 | 2446228 | 1985-06-11 | -1558 | SVO | |
| -8 | 2445130 | 1982-06-09 | 2446816 | 1987-01-20 | -1686 | SVO | |
| -7 | 10.1 | 2445619 | 1983-10-11 | 2447404 | 1988-08-30 | -1785 | SVO |
| -6 | 10.5 | 2446100 | 1985-02-03 | 2447992 | 1990-04-10 | -1892 | SVO |
| -5 | 2446632 | 1986-07-20 | 2448580 | 1991-11-19 | -1948 | SVO | |
| -4 | 2447150 | 1987-12-20 | 2449168 | 1993-06-29 | -2018 | SVO | |
| -3 | 2447630 | 1989-04-13 | 2449756 | 1995-02-07 | -2126 | SVO | |
| -2 | 9.9 | 2448153 | 1990-09-18 | 2450344 | 1996-09-17 | -2191 | SVO |
| -1 | 2448720 | 1992-04-07 | 2450932 | 1998-04-28 | -2212 | SVO | |
| 0 | 2449300 | 1993-11-08 | 2451520 | 1999-12-07 | -2220 | SVO | |
| 1 | 9.7 | 2449830 | 1995-04-22 | 2452108 | 2001-07-17 | -2278 | SVO |
| 2 | 10.0 | 2450389 | 1996-11-01 | 2452696 | 2003-02-25 | -2307 | SVO |
| 3 | 9.8 | 2450973 | 1998-06-08 | 2453284 | 2004-10-05 | -2311 | SVO |
| 4 | 9.6 | 2451540 | 1999-12-27 | 2453872 | 2006-05-16 | -2332 | SVO |
| 5 | 9.6 | 2452114 | 2001-07-23 | 2454460 | 2007-12-25 | -2346 | SVO |
| 6 | 10.1 | 2452718 | 2003-03-19 | 2455048 | 2009-08-04 | -2330 | SVO |
| 7 | 9.9 | 2453287 | 2004-10-08 | 2455636 | 2011-03-15 | -2349 | SVO |
| 8 | 2453910 | 2006-06-23 | 2456224 | 2012-10-23 | -2314 | SVO | |
| 9 | 10.2 | 2454475 | 2008-01-09 | 2456812 | 2014-06-03 | -2337 | SVO |
| 10 | 10.5 | 2455054 | 2009-08-10 | 2457400 | 2016-01-12 | -2346 | SVO |
| 11 | 11.0 | 2455657 | 2011-04-05 | 2457988 | 2017-08-22 | -2331 | SVO |
| 12 | 10.7 | 2456219 | 2012-10-18 | 2458576 | 2019-04-02 | -2357 | SVO |
| 13 | 12.0 | 2456820 | 2014-06-11 | 2459164 | 2020-11-10 | -2344 | SVO |
| 14 | 11.7 | 2457406 | 2016-01-18 | 2459752 | 2022-06-21 | -2346 | SVO |
| 15 | 2458000 | 2017-09-03 | 2460340 | 2024-01-30 | -2340 | SVO | |
| 16 | 11.8 | 2458561 | 2019-03-18 | 2460928 | 2025-09-09 | -2367 | SVO |
| 17 | 2459150 | 2020-10-27 | 2461516 | 2027-04-20 | -2366 | SVO | |
| 18 | 12.0 | 2459737 | 2022-06-06 | 2462104 | 2028-11-28 | -2367 | 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. |