| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -58 | 2412730 | 1893-09-23 | 2411632 | 1890-09-21 | 1098 | SVO | |
| -55 | 2414050 | 1897-05-05 | 2413077 | 1894-09-05 | 973 | SVO | |
| -53 | 2414850 | 1899-07-14 | 2414040 | 1897-04-25 | 810 | SVO | |
| -52 | 2415286 | 1900-09-23 | 2414521 | 1898-08-19 | 765 | PZ, 1954, vol 10, p 100 | |
| -51 | 2415735 | 1901-12-16 | 2415003 | 1899-12-14 | 732 | SVO | |
| -50 | 2416150 | 1903-02-04 | 2415484 | 1901-04-09 | 666 | SVO | |
| -47 | 2417375 | 1906-06-13 | 2416929 | 1905-03-24 | 446 | SVO | |
| -46 | 2417800 | 1907-08-12 | 2417411 | 1906-07-19 | 389 | SVO | |
| -45 | 2418250 | 1908-11-04 | 2417892 | 1907-11-12 | 358 | SVO | |
| -44 | 2418680 | 1910-01-08 | 2418374 | 1909-03-08 | 306 | SVO | |
| -41 | 2419995 | 1913-08-15 | 2419818 | 1913-02-19 | 177 | SVO | |
| -40 | 2420420 | 1914-10-14 | 2420300 | 1914-06-16 | 120 | SVO | |
| -39 | 2420860 | 1915-12-28 | 2420781 | 1915-10-10 | 79 | SVO | |
| -37 | 2421750 | 1918-06-05 | 2421744 | 1918-05-30 | 6 | SVO | |
| -36 | 2422205 | 1919-09-03 | 2422226 | 1919-09-24 | -21 | SVO | |
| -35 | 2422640 | 1920-11-11 | 2422707 | 1921-01-17 | -67 | SVO | |
| -33 | 2423580 | 1923-06-09 | 2423670 | 1923-09-07 | -90 | SVO | |
| -32 | 2424030 | 1924-09-01 | 2424152 | 1925-01-01 | -122 | SVO | |
| -29 | 2425413 | 1928-06-15 | 2425597 | 1928-12-16 | -184 | PZ, 1954, vol 10, p 100 | |
| -28 | 2425850 | 1929-08-26 | 2426078 | 1930-04-11 | -228 | PZ, 1954, vol 10, p 100 | |
| -27 | 2426333 | 1930-12-22 | 2426560 | 1931-08-06 | -227 | PZ, 1954, vol 10, p 100 | |
| -26 | 2426772 | 1932-03-05 | 2427041 | 1932-11-29 | -269 | PZ, 1954, vol 10, p 100 | |
| -25 | 2427230 | 1933-06-06 | 2427523 | 1934-03-26 | -293 | SVO | |
| -24 | 2427697 | 1934-09-16 | 2428004 | 1935-07-20 | -307 | SVO | |
| -23 | 2428180 | 1936-01-12 | 2428486 | 1936-11-13 | -306 | PZ, 1954, vol 10, p 100 | |
| -21 | 2429108 | 1938-07-28 | 2429449 | 1939-07-04 | -341 | PZ, 1954, vol 10, p 100 | |
| -20 | 2429544 | 1939-10-07 | 2429930 | 1940-10-27 | -386 | SVO | |
| -17 | 2430925 | 1943-07-19 | 2431375 | 1944-10-11 | -450 | SVO | |
| -16 | 2431380 | 1944-10-16 | 2431856 | 1946-02-04 | -476 | SVO | |
| -13 | 2432775 | 1948-08-11 | 2433301 | 1950-01-19 | -526 | PZ, 1954, vol 10, p 100 | |
| -12 | 2433217 | 1949-10-27 | 2433783 | 1951-05-16 | -566 | PZ, 1954, vol 10, p 100 | |
| 2 | 11.0 | 2439858 | 1968-01-02 | 2440524 | 1969-10-29 | -666 | SVO |
| 3 | 2440340 | 1969-04-28 | 2441006 | 1971-02-23 | -666 | SVO | |
| 4 | 10.4 | 2440800 | 1970-08-01 | 2441487 | 1972-06-18 | -687 | SVO |
| 5 | 2441280 | 1971-11-24 | 2441969 | 1973-10-13 | -689 | SVO | |
| 6 | 2441760 | 1973-03-18 | 2442450 | 1975-02-06 | -690 | SVO | |
| 7 | 2442230 | 1974-07-01 | 2442932 | 1976-06-02 | -702 | SVO | |
| 8 | 10.2 | 2442688 | 1975-10-02 | 2443413 | 1977-09-26 | -725 | SVO |
| 9 | 10.7 | 2443153 | 1977-01-09 | 2443895 | 1979-01-21 | -742 | SVO |
| 10 | 2443680 | 1978-06-20 | 2444376 | 1980-05-16 | -696 | SVO | |
| 11 | 10.2 | 2444144 | 1979-09-27 | 2444858 | 1981-09-10 | -714 | SVO |
| 12 | 2444670 | 1981-03-06 | 2445339 | 1983-01-04 | -669 | SVO | |
| 13 | 2445130 | 1982-06-09 | 2445821 | 1984-04-30 | -691 | SVO | |
| 14 | 10.1 | 2445619 | 1983-10-11 | 2446302 | 1985-08-24 | -683 | SVO |
| 15 | 10.5 | 2446100 | 1985-02-03 | 2446784 | 1986-12-19 | -684 | SVO |
| 16 | 2446632 | 1986-07-20 | 2447266 | 1988-04-14 | -634 | SVO | |
| 17 | 2447150 | 1987-12-20 | 2447747 | 1989-08-08 | -597 | SVO | |
| 18 | 2447630 | 1989-04-13 | 2448229 | 1990-12-03 | -599 | SVO | |
| 19 | 9.9 | 2448153 | 1990-09-18 | 2448710 | 1992-03-28 | -557 | SVO |
| 20 | 2448720 | 1992-04-07 | 2449192 | 1993-07-23 | -472 | SVO | |
| 21 | 2449300 | 1993-11-08 | 2449673 | 1994-11-16 | -373 | SVO | |
| 22 | 9.7 | 2449830 | 1995-04-22 | 2450155 | 1996-03-12 | -325 | SVO |
| 23 | 10.0 | 2450389 | 1996-11-01 | 2450636 | 1997-07-06 | -247 | SVO |
| 24 | 9.8 | 2450973 | 1998-06-08 | 2451118 | 1998-10-31 | -145 | SVO |
| 25 | 9.6 | 2451540 | 1999-12-27 | 2451599 | 2000-02-24 | -59 | SVO |
| 26 | 9.6 | 2452114 | 2001-07-23 | 2452081 | 2001-06-20 | 33 | SVO |
| 27 | 10.1 | 2452718 | 2003-03-19 | 2452562 | 2002-10-14 | 156 | SVO |
| 28 | 9.9 | 2453287 | 2004-10-08 | 2453044 | 2004-02-08 | 243 | SVO |
| 29 | 2453910 | 2006-06-23 | 2453525 | 2005-06-03 | 385 | SVO | |
| 30 | 10.2 | 2454475 | 2008-01-09 | 2454007 | 2006-09-28 | 468 | SVO |
| 31 | 10.5 | 2455054 | 2009-08-10 | 2454488 | 2008-01-22 | 566 | SVO |
| 32 | 11.0 | 2455657 | 2011-04-05 | 2454970 | 2009-05-18 | 687 | SVO |
| 33 | 10.7 | 2456219 | 2012-10-18 | 2455452 | 2010-09-12 | 767 | SVO |
| 34 | 12.0 | 2456820 | 2014-06-11 | 2455933 | 2012-01-06 | 887 | SVO |
| 35 | 11.7 | 2457406 | 2016-01-18 | 2456415 | 2013-05-02 | 991 | SVO |
| 36 | 11.8 | 2457981 | 2017-08-15 | 2456896 | 2014-08-26 | 1085 | SVO |
| 37 | 11.8 | 2458561 | 2019-03-18 | 2457378 | 2015-12-21 | 1183 | SVO |
| 38 | 2459150 | 2020-10-27 | 2457859 | 2017-04-15 | 1291 | SVO | |
| 39 | 12.0 | 2459737 | 2022-06-06 | 2458341 | 2018-08-10 | 1396 | SVO |
| 40 | 2460330 | 2024-01-20 | 2458822 | 2019-12-04 | 1508 | 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. |